0398;;;;N;;;;03B8
+ #
+ # Case-insensitive comparison should treat all of them as equivalent.
+ #
+ # But .toLowerCase() doesn't change ϑ (it's already lowercase),
+ # and .toUpperCase() doesn't change ϴ (already uppercase).
+ #
+ # Applying first lower then upper case normalizes any character:
+ # '\u0398\u03f4\u03b8\u03d1'.toLowerCase().toUpperCase() === '\u0398\u0398\u0398\u0398'
+ #
+ # Note: this is equivalent to unicode case folding; unicode normalization
+ # is a different step that is not required here.
+ #
+ # Final result should be uppercased, because it's later stored in an object
+ # (this avoid a conflict with Object.prototype members,
+ # most notably, `__proto__`)
+ #
+ return string.lower().upper()
+
+
+LINK_OPEN_RE = re.compile(r"^\s]", flags=re.IGNORECASE)
+LINK_CLOSE_RE = re.compile(r"^", flags=re.IGNORECASE)
+
+
+def isLinkOpen(string: str) -> bool:
+ return bool(LINK_OPEN_RE.search(string))
+
+
+def isLinkClose(string: str) -> bool:
+ return bool(LINK_CLOSE_RE.search(string))
diff --git a/Scripts/Lib/site-packages/markdown_it/helpers/__init__.py b/Scripts/Lib/site-packages/markdown_it/helpers/__init__.py
new file mode 100644
index 0000000..f4e2cd2
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/helpers/__init__.py
@@ -0,0 +1,6 @@
+"""Functions for parsing Links"""
+
+__all__ = ("parseLinkDestination", "parseLinkLabel", "parseLinkTitle")
+from .parse_link_destination import parseLinkDestination
+from .parse_link_label import parseLinkLabel
+from .parse_link_title import parseLinkTitle
diff --git a/Scripts/Lib/site-packages/markdown_it/helpers/__pycache__/__init__.cpython-310.pyc b/Scripts/Lib/site-packages/markdown_it/helpers/__pycache__/__init__.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/markdown_it/helpers/__pycache__/parse_link_title.cpython-310.pyc b/Scripts/Lib/site-packages/markdown_it/helpers/__pycache__/parse_link_title.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/markdown_it/helpers/parse_link_destination.py b/Scripts/Lib/site-packages/markdown_it/helpers/parse_link_destination.py
new file mode 100644
index 0000000..c98323c
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/helpers/parse_link_destination.py
@@ -0,0 +1,83 @@
+"""
+Parse link destination
+"""
+
+from ..common.utils import charCodeAt, unescapeAll
+
+
+class _Result:
+ __slots__ = ("ok", "pos", "str")
+
+ def __init__(self) -> None:
+ self.ok = False
+ self.pos = 0
+ self.str = ""
+
+
+def parseLinkDestination(string: str, pos: int, maximum: int) -> _Result:
+ start = pos
+ result = _Result()
+
+ if charCodeAt(string, pos) == 0x3C: # /* < */
+ pos += 1
+ while pos < maximum:
+ code = charCodeAt(string, pos)
+ if code == 0x0A: # /* \n */)
+ return result
+ if code == 0x3C: # / * < * /
+ return result
+ if code == 0x3E: # /* > */) {
+ result.pos = pos + 1
+ result.str = unescapeAll(string[start + 1 : pos])
+ result.ok = True
+ return result
+
+ if code == 0x5C and pos + 1 < maximum: # \
+ pos += 2
+ continue
+
+ pos += 1
+
+ # no closing '>'
+ return result
+
+ # this should be ... } else { ... branch
+
+ level = 0
+ while pos < maximum:
+ code = charCodeAt(string, pos)
+
+ if code is None or code == 0x20:
+ break
+
+ # ascii control characters
+ if code < 0x20 or code == 0x7F:
+ break
+
+ if code == 0x5C and pos + 1 < maximum:
+ if charCodeAt(string, pos + 1) == 0x20:
+ break
+ pos += 2
+ continue
+
+ if code == 0x28: # /* ( */)
+ level += 1
+ if level > 32:
+ return result
+
+ if code == 0x29: # /* ) */)
+ if level == 0:
+ break
+ level -= 1
+
+ pos += 1
+
+ if start == pos:
+ return result
+ if level != 0:
+ return result
+
+ result.str = unescapeAll(string[start:pos])
+ result.pos = pos
+ result.ok = True
+ return result
diff --git a/Scripts/Lib/site-packages/markdown_it/helpers/parse_link_label.py b/Scripts/Lib/site-packages/markdown_it/helpers/parse_link_label.py
new file mode 100644
index 0000000..c80da5a
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/helpers/parse_link_label.py
@@ -0,0 +1,44 @@
+"""
+Parse link label
+
+this function assumes that first character ("[") already matches
+returns the end of the label
+
+"""
+
+from markdown_it.rules_inline import StateInline
+
+
+def parseLinkLabel(state: StateInline, start: int, disableNested: bool = False) -> int:
+ labelEnd = -1
+ oldPos = state.pos
+ found = False
+
+ state.pos = start + 1
+ level = 1
+
+ while state.pos < state.posMax:
+ marker = state.src[state.pos]
+ if marker == "]":
+ level -= 1
+ if level == 0:
+ found = True
+ break
+
+ prevPos = state.pos
+ state.md.inline.skipToken(state)
+ if marker == "[":
+ if prevPos == state.pos - 1:
+ # increase level if we find text `[`,
+ # which is not a part of any token
+ level += 1
+ elif disableNested:
+ state.pos = oldPos
+ return -1
+ if found:
+ labelEnd = state.pos
+
+ # restore old state
+ state.pos = oldPos
+
+ return labelEnd
diff --git a/Scripts/Lib/site-packages/markdown_it/helpers/parse_link_title.py b/Scripts/Lib/site-packages/markdown_it/helpers/parse_link_title.py
new file mode 100644
index 0000000..a38ff0d
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/helpers/parse_link_title.py
@@ -0,0 +1,75 @@
+"""Parse link title"""
+
+from ..common.utils import charCodeAt, unescapeAll
+
+
+class _State:
+ __slots__ = ("can_continue", "marker", "ok", "pos", "str")
+
+ def __init__(self) -> None:
+ self.ok = False
+ """if `true`, this is a valid link title"""
+ self.can_continue = False
+ """if `true`, this link can be continued on the next line"""
+ self.pos = 0
+ """if `ok`, it's the position of the first character after the closing marker"""
+ self.str = ""
+ """if `ok`, it's the unescaped title"""
+ self.marker = 0
+ """expected closing marker character code"""
+
+ def __str__(self) -> str:
+ return self.str
+
+
+def parseLinkTitle(
+ string: str, start: int, maximum: int, prev_state: _State | None = None
+) -> _State:
+ """Parse link title within `str` in [start, max] range,
+ or continue previous parsing if `prev_state` is defined (equal to result of last execution).
+ """
+ pos = start
+ state = _State()
+
+ if prev_state is not None:
+ # this is a continuation of a previous parseLinkTitle call on the next line,
+ # used in reference links only
+ state.str = prev_state.str
+ state.marker = prev_state.marker
+ else:
+ if pos >= maximum:
+ return state
+
+ marker = charCodeAt(string, pos)
+
+ # /* " */ /* ' */ /* ( */
+ if marker != 0x22 and marker != 0x27 and marker != 0x28:
+ return state
+
+ start += 1
+ pos += 1
+
+ # if opening marker is "(", switch it to closing marker ")"
+ if marker == 0x28:
+ marker = 0x29
+
+ state.marker = marker
+
+ while pos < maximum:
+ code = charCodeAt(string, pos)
+ if code == state.marker:
+ state.pos = pos + 1
+ state.str += unescapeAll(string[start:pos])
+ state.ok = True
+ return state
+ elif code == 0x28 and state.marker == 0x29: # /* ( */ /* ) */
+ return state
+ elif code == 0x5C and pos + 1 < maximum: # /* \ */
+ pos += 1
+
+ pos += 1
+
+ # no closing marker found, but this link title may continue on the next line (for references)
+ state.can_continue = True
+ state.str += unescapeAll(string[start:pos])
+ return state
diff --git a/Scripts/Lib/site-packages/markdown_it/main.py b/Scripts/Lib/site-packages/markdown_it/main.py
new file mode 100644
index 0000000..bf9fd18
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/main.py
@@ -0,0 +1,350 @@
+from __future__ import annotations
+
+from collections.abc import Callable, Generator, Iterable, Mapping, MutableMapping
+from contextlib import contextmanager
+from typing import Any, Literal, overload
+
+from . import helpers, presets
+from .common import normalize_url, utils
+from .parser_block import ParserBlock
+from .parser_core import ParserCore
+from .parser_inline import ParserInline
+from .renderer import RendererHTML, RendererProtocol
+from .rules_core.state_core import StateCore
+from .token import Token
+from .utils import EnvType, OptionsDict, OptionsType, PresetType
+
+try:
+ import linkify_it
+except ModuleNotFoundError:
+ linkify_it = None
+
+
+_PRESETS: dict[str, PresetType] = {
+ "default": presets.default.make(),
+ "js-default": presets.js_default.make(),
+ "zero": presets.zero.make(),
+ "commonmark": presets.commonmark.make(),
+ "gfm-like": presets.gfm_like.make(),
+}
+
+
+class MarkdownIt:
+ def __init__(
+ self,
+ config: str | PresetType = "commonmark",
+ options_update: Mapping[str, Any] | None = None,
+ *,
+ renderer_cls: Callable[[MarkdownIt], RendererProtocol] = RendererHTML,
+ ):
+ """Main parser class
+
+ :param config: name of configuration to load or a pre-defined dictionary
+ :param options_update: dictionary that will be merged into ``config["options"]``
+ :param renderer_cls: the class to load as the renderer:
+ ``self.renderer = renderer_cls(self)
+ """
+ # add modules
+ self.utils = utils
+ self.helpers = helpers
+
+ # initialise classes
+ self.inline = ParserInline()
+ self.block = ParserBlock()
+ self.core = ParserCore()
+ self.renderer = renderer_cls(self)
+ self.linkify = linkify_it.LinkifyIt() if linkify_it else None
+
+ # set the configuration
+ if options_update and not isinstance(options_update, Mapping):
+ # catch signature change where renderer_cls was not used as a key-word
+ raise TypeError(
+ f"options_update should be a mapping: {options_update}"
+ "\n(Perhaps you intended this to be the renderer_cls?)"
+ )
+ self.configure(config, options_update=options_update)
+
+ def __repr__(self) -> str:
+ return f"{self.__class__.__module__}.{self.__class__.__name__}()"
+
+ @overload
+ def __getitem__(self, name: Literal["inline"]) -> ParserInline: ...
+
+ @overload
+ def __getitem__(self, name: Literal["block"]) -> ParserBlock: ...
+
+ @overload
+ def __getitem__(self, name: Literal["core"]) -> ParserCore: ...
+
+ @overload
+ def __getitem__(self, name: Literal["renderer"]) -> RendererProtocol: ...
+
+ @overload
+ def __getitem__(self, name: str) -> Any: ...
+
+ def __getitem__(self, name: str) -> Any:
+ return {
+ "inline": self.inline,
+ "block": self.block,
+ "core": self.core,
+ "renderer": self.renderer,
+ }[name]
+
+ def set(self, options: OptionsType) -> None:
+ """Set parser options (in the same format as in constructor).
+ Probably, you will never need it, but you can change options after constructor call.
+
+ __Note:__ To achieve the best possible performance, don't modify a
+ `markdown-it` instance options on the fly. If you need multiple configurations
+ it's best to create multiple instances and initialize each with separate config.
+ """
+ self.options = OptionsDict(options)
+
+ def configure(
+ self, presets: str | PresetType, options_update: Mapping[str, Any] | None = None
+ ) -> MarkdownIt:
+ """Batch load of all options and component settings.
+ This is an internal method, and you probably will not need it.
+ But if you will - see available presets and data structure
+ [here](https://github.com/markdown-it/markdown-it/tree/master/lib/presets)
+
+ We strongly recommend to use presets instead of direct config loads.
+ That will give better compatibility with next versions.
+ """
+ if isinstance(presets, str):
+ if presets not in _PRESETS:
+ raise KeyError(f"Wrong `markdown-it` preset '{presets}', check name")
+ config = _PRESETS[presets]
+ else:
+ config = presets
+
+ if not config:
+ raise ValueError("Wrong `markdown-it` config, can't be empty")
+
+ options = config.get("options", {}) or {}
+ if options_update:
+ options = {**options, **options_update} # type: ignore
+
+ self.set(options) # type: ignore
+
+ if "components" in config:
+ for name, component in config["components"].items():
+ rules = component.get("rules", None)
+ if rules:
+ self[name].ruler.enableOnly(rules)
+ rules2 = component.get("rules2", None)
+ if rules2:
+ self[name].ruler2.enableOnly(rules2)
+
+ return self
+
+ def get_all_rules(self) -> dict[str, list[str]]:
+ """Return the names of all active rules."""
+ rules = {
+ chain: self[chain].ruler.get_all_rules()
+ for chain in ["core", "block", "inline"]
+ }
+ rules["inline2"] = self.inline.ruler2.get_all_rules()
+ return rules
+
+ def get_active_rules(self) -> dict[str, list[str]]:
+ """Return the names of all active rules."""
+ rules = {
+ chain: self[chain].ruler.get_active_rules()
+ for chain in ["core", "block", "inline"]
+ }
+ rules["inline2"] = self.inline.ruler2.get_active_rules()
+ return rules
+
+ def enable(
+ self, names: str | Iterable[str], ignoreInvalid: bool = False
+ ) -> MarkdownIt:
+ """Enable list or rules. (chainable)
+
+ :param names: rule name or list of rule names to enable.
+ :param ignoreInvalid: set `true` to ignore errors when rule not found.
+
+ It will automatically find appropriate components,
+ containing rules with given names. If rule not found, and `ignoreInvalid`
+ not set - throws exception.
+
+ Example::
+
+ md = MarkdownIt().enable(['sub', 'sup']).disable('smartquotes')
+
+ """
+ result = []
+
+ if isinstance(names, str):
+ names = [names]
+
+ for chain in ["core", "block", "inline"]:
+ result.extend(self[chain].ruler.enable(names, True))
+ result.extend(self.inline.ruler2.enable(names, True))
+
+ missed = [name for name in names if name not in result]
+ if missed and not ignoreInvalid:
+ raise ValueError(f"MarkdownIt. Failed to enable unknown rule(s): {missed}")
+
+ return self
+
+ def disable(
+ self, names: str | Iterable[str], ignoreInvalid: bool = False
+ ) -> MarkdownIt:
+ """The same as [[MarkdownIt.enable]], but turn specified rules off. (chainable)
+
+ :param names: rule name or list of rule names to disable.
+ :param ignoreInvalid: set `true` to ignore errors when rule not found.
+
+ """
+ result = []
+
+ if isinstance(names, str):
+ names = [names]
+
+ for chain in ["core", "block", "inline"]:
+ result.extend(self[chain].ruler.disable(names, True))
+ result.extend(self.inline.ruler2.disable(names, True))
+
+ missed = [name for name in names if name not in result]
+ if missed and not ignoreInvalid:
+ raise ValueError(f"MarkdownIt. Failed to disable unknown rule(s): {missed}")
+ return self
+
+ @contextmanager
+ def reset_rules(self) -> Generator[None, None, None]:
+ """A context manager, that will reset the current enabled rules on exit."""
+ chain_rules = self.get_active_rules()
+ yield
+ for chain, rules in chain_rules.items():
+ if chain != "inline2":
+ self[chain].ruler.enableOnly(rules)
+ self.inline.ruler2.enableOnly(chain_rules["inline2"])
+
+ def add_render_rule(
+ self, name: str, function: Callable[..., Any], fmt: str = "html"
+ ) -> None:
+ """Add a rule for rendering a particular Token type.
+
+ Only applied when ``renderer.__output__ == fmt``
+ """
+ if self.renderer.__output__ == fmt:
+ self.renderer.rules[name] = function.__get__(self.renderer) # type: ignore
+
+ def use(
+ self, plugin: Callable[..., None], *params: Any, **options: Any
+ ) -> MarkdownIt:
+ """Load specified plugin with given params into current parser instance. (chainable)
+
+ It's just a sugar to call `plugin(md, params)` with curring.
+
+ Example::
+
+ def func(tokens, idx):
+ tokens[idx].content = tokens[idx].content.replace('foo', 'bar')
+ md = MarkdownIt().use(plugin, 'foo_replace', 'text', func)
+
+ """
+ plugin(self, *params, **options)
+ return self
+
+ def parse(self, src: str, env: EnvType | None = None) -> list[Token]:
+ """Parse the source string to a token stream
+
+ :param src: source string
+ :param env: environment sandbox
+
+ Parse input string and return list of block tokens (special token type
+ "inline" will contain list of inline tokens).
+
+ `env` is used to pass data between "distributed" rules and return additional
+ metadata like reference info, needed for the renderer. It also can be used to
+ inject data in specific cases. Usually, you will be ok to pass `{}`,
+ and then pass updated object to renderer.
+ """
+ env = {} if env is None else env
+ if not isinstance(env, MutableMapping):
+ raise TypeError(f"Input data should be a MutableMapping, not {type(env)}")
+ if not isinstance(src, str):
+ raise TypeError(f"Input data should be a string, not {type(src)}")
+ state = StateCore(src, self, env)
+ self.core.process(state)
+ return state.tokens
+
+ def render(self, src: str, env: EnvType | None = None) -> Any:
+ """Render markdown string into html. It does all magic for you :).
+
+ :param src: source string
+ :param env: environment sandbox
+ :returns: The output of the loaded renderer
+
+ `env` can be used to inject additional metadata (`{}` by default).
+ But you will not need it with high probability. See also comment
+ in [[MarkdownIt.parse]].
+ """
+ env = {} if env is None else env
+ return self.renderer.render(self.parse(src, env), self.options, env)
+
+ def parseInline(self, src: str, env: EnvType | None = None) -> list[Token]:
+ """The same as [[MarkdownIt.parse]] but skip all block rules.
+
+ :param src: source string
+ :param env: environment sandbox
+
+ It returns the
+ block tokens list with the single `inline` element, containing parsed inline
+ tokens in `children` property. Also updates `env` object.
+ """
+ env = {} if env is None else env
+ if not isinstance(env, MutableMapping):
+ raise TypeError(f"Input data should be an MutableMapping, not {type(env)}")
+ if not isinstance(src, str):
+ raise TypeError(f"Input data should be a string, not {type(src)}")
+ state = StateCore(src, self, env)
+ state.inlineMode = True
+ self.core.process(state)
+ return state.tokens
+
+ def renderInline(self, src: str, env: EnvType | None = None) -> Any:
+ """Similar to [[MarkdownIt.render]] but for single paragraph content.
+
+ :param src: source string
+ :param env: environment sandbox
+
+ Similar to [[MarkdownIt.render]] but for single paragraph content. Result
+ will NOT be wrapped into `` tags.
+ """
+ env = {} if env is None else env
+ return self.renderer.render(self.parseInline(src, env), self.options, env)
+
+ # link methods
+
+ def validateLink(self, url: str) -> bool:
+ """Validate if the URL link is allowed in output.
+
+ This validator can prohibit more than really needed to prevent XSS.
+ It's a tradeoff to keep code simple and to be secure by default.
+
+ Note: the url should be normalized at this point, and existing entities decoded.
+ """
+ return normalize_url.validateLink(url)
+
+ def normalizeLink(self, url: str) -> str:
+ """Normalize destination URLs in links
+
+ ::
+
+ [label]: destination 'title'
+ ^^^^^^^^^^^
+ """
+ return normalize_url.normalizeLink(url)
+
+ def normalizeLinkText(self, link: str) -> str:
+ """Normalize autolink content
+
+ ::
+
+
+ ~~~~~~~~~~~
+ """
+ return normalize_url.normalizeLinkText(link)
diff --git a/Scripts/Lib/site-packages/markdown_it/parser_block.py b/Scripts/Lib/site-packages/markdown_it/parser_block.py
new file mode 100644
index 0000000..50a7184
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/parser_block.py
@@ -0,0 +1,113 @@
+"""Block-level tokenizer."""
+
+from __future__ import annotations
+
+from collections.abc import Callable
+import logging
+from typing import TYPE_CHECKING
+
+from . import rules_block
+from .ruler import Ruler
+from .rules_block.state_block import StateBlock
+from .token import Token
+from .utils import EnvType
+
+if TYPE_CHECKING:
+ from markdown_it import MarkdownIt
+
+LOGGER = logging.getLogger(__name__)
+
+
+RuleFuncBlockType = Callable[[StateBlock, int, int, bool], bool]
+"""(state: StateBlock, startLine: int, endLine: int, silent: bool) -> matched: bool)
+
+`silent` disables token generation, useful for lookahead.
+"""
+
+_rules: list[tuple[str, RuleFuncBlockType, list[str]]] = [
+ # First 2 params - rule name & source. Secondary array - list of rules,
+ # which can be terminated by this one.
+ ("table", rules_block.table, ["paragraph", "reference"]),
+ ("code", rules_block.code, []),
+ ("fence", rules_block.fence, ["paragraph", "reference", "blockquote", "list"]),
+ (
+ "blockquote",
+ rules_block.blockquote,
+ ["paragraph", "reference", "blockquote", "list"],
+ ),
+ ("hr", rules_block.hr, ["paragraph", "reference", "blockquote", "list"]),
+ ("list", rules_block.list_block, ["paragraph", "reference", "blockquote"]),
+ ("reference", rules_block.reference, []),
+ ("html_block", rules_block.html_block, ["paragraph", "reference", "blockquote"]),
+ ("heading", rules_block.heading, ["paragraph", "reference", "blockquote"]),
+ ("lheading", rules_block.lheading, []),
+ ("paragraph", rules_block.paragraph, []),
+]
+
+
+class ParserBlock:
+ """
+ ParserBlock#ruler -> Ruler
+
+ [[Ruler]] instance. Keep configuration of block rules.
+ """
+
+ def __init__(self) -> None:
+ self.ruler = Ruler[RuleFuncBlockType]()
+ for name, rule, alt in _rules:
+ self.ruler.push(name, rule, {"alt": alt})
+
+ def tokenize(self, state: StateBlock, startLine: int, endLine: int) -> None:
+ """Generate tokens for input range."""
+ rules = self.ruler.getRules("")
+ line = startLine
+ maxNesting = state.md.options.maxNesting
+ hasEmptyLines = False
+
+ while line < endLine:
+ state.line = line = state.skipEmptyLines(line)
+ if line >= endLine:
+ break
+ if state.sCount[line] < state.blkIndent:
+ # Termination condition for nested calls.
+ # Nested calls currently used for blockquotes & lists
+ break
+ if state.level >= maxNesting:
+ # If nesting level exceeded - skip tail to the end.
+ # That's not ordinary situation and we should not care about content.
+ state.line = endLine
+ break
+
+ # Try all possible rules.
+ # On success, rule should:
+ # - update `state.line`
+ # - update `state.tokens`
+ # - return True
+ for rule in rules:
+ if rule(state, line, endLine, False):
+ break
+
+ # set state.tight if we had an empty line before current tag
+ # i.e. latest empty line should not count
+ state.tight = not hasEmptyLines
+
+ line = state.line
+
+ # paragraph might "eat" one newline after it in nested lists
+ if (line - 1) < endLine and state.isEmpty(line - 1):
+ hasEmptyLines = True
+
+ if line < endLine and state.isEmpty(line):
+ hasEmptyLines = True
+ line += 1
+ state.line = line
+
+ def parse(
+ self, src: str, md: MarkdownIt, env: EnvType, outTokens: list[Token]
+ ) -> list[Token] | None:
+ """Process input string and push block tokens into `outTokens`."""
+ if not src:
+ return None
+ state = StateBlock(src, md, env, outTokens)
+ self.tokenize(state, state.line, state.lineMax)
+ return state.tokens
diff --git a/Scripts/Lib/site-packages/markdown_it/parser_core.py b/Scripts/Lib/site-packages/markdown_it/parser_core.py
new file mode 100644
index 0000000..8f5b921
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/parser_core.py
@@ -0,0 +1,46 @@
+"""
+* class Core
+*
+* Top-level rules executor. Glues block/inline parsers and does intermediate
+* transformations.
+"""
+
+from __future__ import annotations
+
+from collections.abc import Callable
+
+from .ruler import Ruler
+from .rules_core import (
+ block,
+ inline,
+ linkify,
+ normalize,
+ replace,
+ smartquotes,
+ text_join,
+)
+from .rules_core.state_core import StateCore
+
+RuleFuncCoreType = Callable[[StateCore], None]
+
+_rules: list[tuple[str, RuleFuncCoreType]] = [
+ ("normalize", normalize),
+ ("block", block),
+ ("inline", inline),
+ ("linkify", linkify),
+ ("replacements", replace),
+ ("smartquotes", smartquotes),
+ ("text_join", text_join),
+]
+
+
+class ParserCore:
+ def __init__(self) -> None:
+ self.ruler = Ruler[RuleFuncCoreType]()
+ for name, rule in _rules:
+ self.ruler.push(name, rule)
+
+ def process(self, state: StateCore) -> None:
+ """Executes core chain rules."""
+ for rule in self.ruler.getRules(""):
+ rule(state)
diff --git a/Scripts/Lib/site-packages/markdown_it/parser_inline.py b/Scripts/Lib/site-packages/markdown_it/parser_inline.py
new file mode 100644
index 0000000..26ec2e6
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/parser_inline.py
@@ -0,0 +1,148 @@
+"""Tokenizes paragraph content."""
+
+from __future__ import annotations
+
+from collections.abc import Callable
+from typing import TYPE_CHECKING
+
+from . import rules_inline
+from .ruler import Ruler
+from .rules_inline.state_inline import StateInline
+from .token import Token
+from .utils import EnvType
+
+if TYPE_CHECKING:
+ from markdown_it import MarkdownIt
+
+
+# Parser rules
+RuleFuncInlineType = Callable[[StateInline, bool], bool]
+"""(state: StateInline, silent: bool) -> matched: bool)
+
+`silent` disables token generation, useful for lookahead.
+"""
+_rules: list[tuple[str, RuleFuncInlineType]] = [
+ ("text", rules_inline.text),
+ ("linkify", rules_inline.linkify),
+ ("newline", rules_inline.newline),
+ ("escape", rules_inline.escape),
+ ("backticks", rules_inline.backtick),
+ ("strikethrough", rules_inline.strikethrough.tokenize),
+ ("emphasis", rules_inline.emphasis.tokenize),
+ ("link", rules_inline.link),
+ ("image", rules_inline.image),
+ ("autolink", rules_inline.autolink),
+ ("html_inline", rules_inline.html_inline),
+ ("entity", rules_inline.entity),
+]
+
+# Note `rule2` ruleset was created specifically for emphasis/strikethrough
+# post-processing and may be changed in the future.
+#
+# Don't use this for anything except pairs (plugins working with `balance_pairs`).
+#
+RuleFuncInline2Type = Callable[[StateInline], None]
+_rules2: list[tuple[str, RuleFuncInline2Type]] = [
+ ("balance_pairs", rules_inline.link_pairs),
+ ("strikethrough", rules_inline.strikethrough.postProcess),
+ ("emphasis", rules_inline.emphasis.postProcess),
+ # rules for pairs separate '**' into its own text tokens, which may be left unused,
+ # rule below merges unused segments back with the rest of the text
+ ("fragments_join", rules_inline.fragments_join),
+]
+
+
+class ParserInline:
+ def __init__(self) -> None:
+ self.ruler = Ruler[RuleFuncInlineType]()
+ for name, rule in _rules:
+ self.ruler.push(name, rule)
+ # Second ruler used for post-processing (e.g. in emphasis-like rules)
+ self.ruler2 = Ruler[RuleFuncInline2Type]()
+ for name, rule2 in _rules2:
+ self.ruler2.push(name, rule2)
+
+ def skipToken(self, state: StateInline) -> None:
+ """Skip single token by running all rules in validation mode;
+ returns `True` if any rule reported success
+ """
+ ok = False
+ pos = state.pos
+ rules = self.ruler.getRules("")
+ maxNesting = state.md.options["maxNesting"]
+ cache = state.cache
+
+ if pos in cache:
+ state.pos = cache[pos]
+ return
+
+ if state.level < maxNesting:
+ for rule in rules:
+ # Increment state.level and decrement it later to limit recursion.
+ # It's harmless to do here, because no tokens are created.
+ # But ideally, we'd need a separate private state variable for this purpose.
+ state.level += 1
+ ok = rule(state, True)
+ state.level -= 1
+ if ok:
+ break
+ else:
+ # Too much nesting, just skip until the end of the paragraph.
+ #
+ # NOTE: this will cause links to behave incorrectly in the following case,
+ # when an amount of `[` is exactly equal to `maxNesting + 1`:
+ #
+ # [[[[[[[[[[[[[[[[[[[[[foo]()
+ #
+ # TODO: remove this workaround when CM standard will allow nested links
+ # (we can replace it by preventing links from being parsed in
+ # validation mode)
+ #
+ state.pos = state.posMax
+
+ if not ok:
+ state.pos += 1
+ cache[pos] = state.pos
+
+ def tokenize(self, state: StateInline) -> None:
+ """Generate tokens for input range."""
+ ok = False
+ rules = self.ruler.getRules("")
+ end = state.posMax
+ maxNesting = state.md.options["maxNesting"]
+
+ while state.pos < end:
+ # Try all possible rules.
+ # On success, rule should:
+ #
+ # - update `state.pos`
+ # - update `state.tokens`
+ # - return true
+
+ if state.level < maxNesting:
+ for rule in rules:
+ ok = rule(state, False)
+ if ok:
+ break
+
+ if ok:
+ if state.pos >= end:
+ break
+ continue
+
+ state.pending += state.src[state.pos]
+ state.pos += 1
+
+ if state.pending:
+ state.pushPending()
+
+ def parse(
+ self, src: str, md: MarkdownIt, env: EnvType, tokens: list[Token]
+ ) -> list[Token]:
+ """Process input string and push inline tokens into `tokens`"""
+ state = StateInline(src, md, env, tokens)
+ self.tokenize(state)
+ rules2 = self.ruler2.getRules("")
+ for rule in rules2:
+ rule(state)
+ return state.tokens
diff --git a/Scripts/Lib/site-packages/markdown_it/port.yaml b/Scripts/Lib/site-packages/markdown_it/port.yaml
new file mode 100644
index 0000000..ce2dde9
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/port.yaml
@@ -0,0 +1,48 @@
+- package: markdown-it/markdown-it
+ version: 14.1.0
+ commit: 0fe7ccb4b7f30236fb05f623be6924961d296d3d
+ date: Mar 19, 2024
+ notes:
+ - Rename variables that use python built-in names, e.g.
+ - `max` -> `maximum`
+ - `len` -> `length`
+ - `str` -> `string`
+ - |
+ Convert JS `for` loops to `while` loops
+ this is generally the main difference between the codes,
+ because in python you can't do e.g. `for {i=1;i PresetType:
+ config = commonmark.make()
+ config["components"]["core"]["rules"].append("linkify")
+ config["components"]["block"]["rules"].append("table")
+ config["components"]["inline"]["rules"].extend(["strikethrough", "linkify"])
+ config["components"]["inline"]["rules2"].append("strikethrough")
+ config["options"]["linkify"] = True
+ config["options"]["html"] = True
+ return config
diff --git a/Scripts/Lib/site-packages/markdown_it/presets/__pycache__/__init__.cpython-310.pyc b/Scripts/Lib/site-packages/markdown_it/presets/__pycache__/__init__.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/markdown_it/presets/commonmark.py b/Scripts/Lib/site-packages/markdown_it/presets/commonmark.py
new file mode 100644
index 0000000..ed0de0f
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/presets/commonmark.py
@@ -0,0 +1,75 @@
+"""Commonmark default options.
+
+This differs to presets.default,
+primarily in that it allows HTML and does not enable components:
+
+- block: table
+- inline: strikethrough
+"""
+
+from ..utils import PresetType
+
+
+def make() -> PresetType:
+ return {
+ "options": {
+ "maxNesting": 20, # Internal protection, recursion limit
+ "html": True, # Enable HTML tags in source,
+ # this is just a shorthand for .enable(["html_inline", "html_block"])
+ # used by the linkify rule:
+ "linkify": False, # autoconvert URL-like texts to links
+ # used by the replacements and smartquotes rules
+ # Enable some language-neutral replacements + quotes beautification
+ "typographer": False,
+ # used by the smartquotes rule:
+ # Double + single quotes replacement pairs, when typographer enabled,
+ # and smartquotes on. Could be either a String or an Array.
+ #
+ # For example, you can use '«»„“' for Russian, '„“‚‘' for German,
+ # and ['«\xA0', '\xA0»', '‹\xA0', '\xA0›'] for French (including nbsp).
+ "quotes": "\u201c\u201d\u2018\u2019", # /* “”‘’ */
+ # Renderer specific; these options are used directly in the HTML renderer
+ "xhtmlOut": True, # Use '/' to close single tags ( PresetType:
+ return {
+ "options": {
+ "maxNesting": 100, # Internal protection, recursion limit
+ "html": False, # Enable HTML tags in source
+ # this is just a shorthand for .disable(["html_inline", "html_block"])
+ # used by the linkify rule:
+ "linkify": False, # autoconvert URL-like texts to links
+ # used by the replacements and smartquotes rules:
+ # Enable some language-neutral replacements + quotes beautification
+ "typographer": False,
+ # used by the smartquotes rule:
+ # Double + single quotes replacement pairs, when typographer enabled,
+ # and smartquotes on. Could be either a String or an Array.
+ # For example, you can use '«»„“' for Russian, '„“‚‘' for German,
+ # and ['«\xA0', '\xA0»', '‹\xA0', '\xA0›'] for French (including nbsp).
+ "quotes": "\u201c\u201d\u2018\u2019", # /* “”‘’ */
+ # Renderer specific; these options are used directly in the HTML renderer
+ "xhtmlOut": False, # Use '/' to close single tags ( PresetType:
+ return {
+ "options": {
+ "maxNesting": 20, # Internal protection, recursion limit
+ "html": False, # Enable HTML tags in source
+ # this is just a shorthand for .disable(["html_inline", "html_block"])
+ # used by the linkify rule:
+ "linkify": False, # autoconvert URL-like texts to links
+ # used by the replacements and smartquotes rules:
+ # Enable some language-neutral replacements + quotes beautification
+ "typographer": False,
+ # used by the smartquotes rule:
+ # Double + single quotes replacement pairs, when typographer enabled,
+ # and smartquotes on. Could be either a String or an Array.
+ # For example, you can use '«»„“' for Russian, '„“‚‘' for German,
+ # and ['«\xA0', '\xA0»', '‹\xA0', '\xA0›'] for French (including nbsp).
+ "quotes": "\u201c\u201d\u2018\u2019", # /* “”‘’ */
+ # Renderer specific; these options are used directly in the HTML renderer
+ "xhtmlOut": False, # Use '/' to close single tags ( Any: ...
+
+
+class RendererHTML(RendererProtocol):
+ """Contains render rules for tokens. Can be updated and extended.
+
+ Example:
+
+ Each rule is called as independent static function with fixed signature:
+
+ ::
+
+ class Renderer:
+ def token_type_name(self, tokens, idx, options, env) {
+ # ...
+ return renderedHTML
+
+ ::
+
+ class CustomRenderer(RendererHTML):
+ def strong_open(self, tokens, idx, options, env):
+ return ''
+ def strong_close(self, tokens, idx, options, env):
+ return ' '
+
+ md = MarkdownIt(renderer_cls=CustomRenderer)
+
+ result = md.render(...)
+
+ See https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.js
+ for more details and examples.
+ """
+
+ __output__ = "html"
+
+ def __init__(self, parser: Any = None):
+ self.rules = {
+ k: v
+ for k, v in inspect.getmembers(self, predicate=inspect.ismethod)
+ if not (k.startswith("render") or k.startswith("_"))
+ }
+
+ def render(
+ self, tokens: Sequence[Token], options: OptionsDict, env: EnvType
+ ) -> str:
+ """Takes token stream and generates HTML.
+
+ :param tokens: list on block tokens to render
+ :param options: params of parser instance
+ :param env: additional data from parsed input
+
+ """
+ result = ""
+
+ for i, token in enumerate(tokens):
+ if token.type == "inline":
+ if token.children:
+ result += self.renderInline(token.children, options, env)
+ elif token.type in self.rules:
+ result += self.rules[token.type](tokens, i, options, env)
+ else:
+ result += self.renderToken(tokens, i, options, env)
+
+ return result
+
+ def renderInline(
+ self, tokens: Sequence[Token], options: OptionsDict, env: EnvType
+ ) -> str:
+ """The same as ``render``, but for single token of `inline` type.
+
+ :param tokens: list on block tokens to render
+ :param options: params of parser instance
+ :param env: additional data from parsed input (references, for example)
+ """
+ result = ""
+
+ for i, token in enumerate(tokens):
+ if token.type in self.rules:
+ result += self.rules[token.type](tokens, i, options, env)
+ else:
+ result += self.renderToken(tokens, i, options, env)
+
+ return result
+
+ def renderToken(
+ self,
+ tokens: Sequence[Token],
+ idx: int,
+ options: OptionsDict,
+ env: EnvType,
+ ) -> str:
+ """Default token renderer.
+
+ Can be overridden by custom function
+
+ :param idx: token index to render
+ :param options: params of parser instance
+ """
+ result = ""
+ needLf = False
+ token = tokens[idx]
+
+ # Tight list paragraphs
+ if token.hidden:
+ return ""
+
+ # Insert a newline between hidden paragraph and subsequent opening
+ # block-level tag.
+ #
+ # For example, here we should insert a newline before blockquote:
+ # - a
+ # >
+ #
+ if token.block and token.nesting != -1 and idx and tokens[idx - 1].hidden:
+ result += "\n"
+
+ # Add token name, e.g. ``.
+ #
+ needLf = False
+
+ result += ">\n" if needLf else ">"
+
+ return result
+
+ @staticmethod
+ def renderAttrs(token: Token) -> str:
+ """Render token attributes to string."""
+ result = ""
+
+ for key, value in token.attrItems():
+ result += " " + escapeHtml(key) + '="' + escapeHtml(str(value)) + '"'
+
+ return result
+
+ def renderInlineAsText(
+ self,
+ tokens: Sequence[Token] | None,
+ options: OptionsDict,
+ env: EnvType,
+ ) -> str:
+ """Special kludge for image `alt` attributes to conform CommonMark spec.
+
+ Don't try to use it! Spec requires to show `alt` content with stripped markup,
+ instead of simple escaping.
+
+ :param tokens: list on block tokens to render
+ :param options: params of parser instance
+ :param env: additional data from parsed input
+ """
+ result = ""
+
+ for token in tokens or []:
+ if token.type == "text":
+ result += token.content
+ elif token.type == "image":
+ if token.children:
+ result += self.renderInlineAsText(token.children, options, env)
+ elif token.type == "softbreak":
+ result += "\n"
+
+ return result
+
+ ###################################################
+
+ def code_inline(
+ self, tokens: Sequence[Token], idx: int, options: OptionsDict, env: EnvType
+ ) -> str:
+ token = tokens[idx]
+ return (
+ ""
+ + escapeHtml(tokens[idx].content)
+ + ""
+ )
+
+ def code_block(
+ self,
+ tokens: Sequence[Token],
+ idx: int,
+ options: OptionsDict,
+ env: EnvType,
+ ) -> str:
+ token = tokens[idx]
+
+ return (
+ ""
+ + escapeHtml(tokens[idx].content)
+ + "\n"
+ )
+
+ def fence(
+ self,
+ tokens: Sequence[Token],
+ idx: int,
+ options: OptionsDict,
+ env: EnvType,
+ ) -> str:
+ token = tokens[idx]
+ info = unescapeAll(token.info).strip() if token.info else ""
+ langName = ""
+ langAttrs = ""
+
+ if info:
+ arr = info.split(maxsplit=1)
+ langName = arr[0]
+ if len(arr) == 2:
+ langAttrs = arr[1]
+
+ if options.highlight:
+ highlighted = options.highlight(
+ token.content, langName, langAttrs
+ ) or escapeHtml(token.content)
+ else:
+ highlighted = escapeHtml(token.content)
+
+ if highlighted.startswith(""
+ + highlighted
+ + "\n"
+ )
+
+ return (
+ ""
+ + highlighted
+ + " //example.com/
+ if (
+ links
+ and links[0].index == 0
+ and i > 0
+ and tokens[i - 1].type == "text_special"
+ ):
+ links = links[1:]
+
+ for link in links:
+ url = link.url
+ fullUrl = state.md.normalizeLink(url)
+ if not state.md.validateLink(fullUrl):
+ continue
+
+ urlText = link.text
+
+ # Linkifier might send raw hostnames like "example.com", where url
+ # starts with domain name. So we prepend http:// in those cases,
+ # and remove it afterwards.
+ if not link.schema:
+ urlText = HTTP_RE.sub(
+ "", state.md.normalizeLinkText("http://" + urlText)
+ )
+ elif link.schema == "mailto:" and TEST_MAILTO_RE.search(urlText):
+ urlText = MAILTO_RE.sub(
+ "", state.md.normalizeLinkText("mailto:" + urlText)
+ )
+ else:
+ urlText = state.md.normalizeLinkText(urlText)
+
+ pos = link.index
+
+ if pos > lastPos:
+ token = Token("text", "", 0)
+ token.content = text[lastPos:pos]
+ token.level = level
+ nodes.append(token)
+
+ token = Token("link_open", "a", 1)
+ token.attrs = {"href": fullUrl}
+ token.level = level
+ level += 1
+ token.markup = "linkify"
+ token.info = "auto"
+ nodes.append(token)
+
+ token = Token("text", "", 0)
+ token.content = urlText
+ token.level = level
+ nodes.append(token)
+
+ token = Token("link_close", "a", -1)
+ level -= 1
+ token.level = level
+ token.markup = "linkify"
+ token.info = "auto"
+ nodes.append(token)
+
+ lastPos = link.last_index
+
+ if lastPos < len(text):
+ token = Token("text", "", 0)
+ token.content = text[lastPos:]
+ token.level = level
+ nodes.append(token)
+
+ inline_token.children = tokens = arrayReplaceAt(tokens, i, nodes)
+
+
+class _LinkType(Protocol):
+ url: str
+ text: str
+ index: int
+ last_index: int
+ schema: str | None
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_core/normalize.py b/Scripts/Lib/site-packages/markdown_it/rules_core/normalize.py
new file mode 100644
index 0000000..3243924
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_core/normalize.py
@@ -0,0 +1,19 @@
+"""Normalize input string."""
+
+import re
+
+from .state_core import StateCore
+
+# https://spec.commonmark.org/0.29/#line-ending
+NEWLINES_RE = re.compile(r"\r\n?|\n")
+NULL_RE = re.compile(r"\0")
+
+
+def normalize(state: StateCore) -> None:
+ # Normalize newlines
+ string = NEWLINES_RE.sub("\n", state.src)
+
+ # Replace NULL characters
+ string = NULL_RE.sub("\ufffd", string)
+
+ state.src = string
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_core/replacements.py b/Scripts/Lib/site-packages/markdown_it/rules_core/replacements.py
new file mode 100644
index 0000000..bcc9980
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_core/replacements.py
@@ -0,0 +1,127 @@
+"""Simple typographic replacements
+
+* ``(c)``, ``(C)`` → ©
+* ``(tm)``, ``(TM)`` → ™
+* ``(r)``, ``(R)`` → ®
+* ``+-`` → ±
+* ``...`` → …
+* ``?....`` → ?..
+* ``!....`` → !..
+* ``????????`` → ???
+* ``!!!!!`` → !!!
+* ``,,,`` → ,
+* ``--`` → &ndash
+* ``---`` → &mdash
+"""
+
+from __future__ import annotations
+
+import logging
+import re
+
+from ..token import Token
+from .state_core import StateCore
+
+LOGGER = logging.getLogger(__name__)
+
+# TODO:
+# - fractionals 1/2, 1/4, 3/4 -> ½, ¼, ¾
+# - multiplication 2 x 4 -> 2 × 4
+
+RARE_RE = re.compile(r"\+-|\.\.|\?\?\?\?|!!!!|,,|--")
+
+# Workaround for phantomjs - need regex without /g flag,
+# or root check will fail every second time
+# SCOPED_ABBR_TEST_RE = r"\((c|tm|r)\)"
+
+SCOPED_ABBR_RE = re.compile(r"\((c|tm|r)\)", flags=re.IGNORECASE)
+
+PLUS_MINUS_RE = re.compile(r"\+-")
+
+ELLIPSIS_RE = re.compile(r"\.{2,}")
+
+ELLIPSIS_QUESTION_EXCLAMATION_RE = re.compile(r"([?!])…")
+
+QUESTION_EXCLAMATION_RE = re.compile(r"([?!]){4,}")
+
+COMMA_RE = re.compile(r",{2,}")
+
+EM_DASH_RE = re.compile(r"(^|[^-])---(?=[^-]|$)", flags=re.MULTILINE)
+
+EN_DASH_RE = re.compile(r"(^|\s)--(?=\s|$)", flags=re.MULTILINE)
+
+EN_DASH_INDENT_RE = re.compile(r"(^|[^-\s])--(?=[^-\s]|$)", flags=re.MULTILINE)
+
+
+SCOPED_ABBR = {"c": "©", "r": "®", "tm": "™"}
+
+
+def replaceFn(match: re.Match[str]) -> str:
+ return SCOPED_ABBR[match.group(1).lower()]
+
+
+def replace_scoped(inlineTokens: list[Token]) -> None:
+ inside_autolink = 0
+
+ for token in inlineTokens:
+ if token.type == "text" and not inside_autolink:
+ token.content = SCOPED_ABBR_RE.sub(replaceFn, token.content)
+
+ if token.type == "link_open" and token.info == "auto":
+ inside_autolink -= 1
+
+ if token.type == "link_close" and token.info == "auto":
+ inside_autolink += 1
+
+
+def replace_rare(inlineTokens: list[Token]) -> None:
+ inside_autolink = 0
+
+ for token in inlineTokens:
+ if (
+ token.type == "text"
+ and (not inside_autolink)
+ and RARE_RE.search(token.content)
+ ):
+ # +- -> ±
+ token.content = PLUS_MINUS_RE.sub("±", token.content)
+
+ # .., ..., ....... -> …
+ token.content = ELLIPSIS_RE.sub("…", token.content)
+
+ # but ?..... & !..... -> ?.. & !..
+ token.content = ELLIPSIS_QUESTION_EXCLAMATION_RE.sub("\\1..", token.content)
+ token.content = QUESTION_EXCLAMATION_RE.sub("\\1\\1\\1", token.content)
+
+ # ,, ,,, ,,,, -> ,
+ token.content = COMMA_RE.sub(",", token.content)
+
+ # em-dash
+ token.content = EM_DASH_RE.sub("\\1\u2014", token.content)
+
+ # en-dash
+ token.content = EN_DASH_RE.sub("\\1\u2013", token.content)
+ token.content = EN_DASH_INDENT_RE.sub("\\1\u2013", token.content)
+
+ if token.type == "link_open" and token.info == "auto":
+ inside_autolink -= 1
+
+ if token.type == "link_close" and token.info == "auto":
+ inside_autolink += 1
+
+
+def replace(state: StateCore) -> None:
+ if not state.md.options.typographer:
+ return
+
+ for token in state.tokens:
+ if token.type != "inline":
+ continue
+ if token.children is None:
+ continue
+
+ if SCOPED_ABBR_RE.search(token.content):
+ replace_scoped(token.children)
+
+ if RARE_RE.search(token.content):
+ replace_rare(token.children)
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_core/smartquotes.py b/Scripts/Lib/site-packages/markdown_it/rules_core/smartquotes.py
new file mode 100644
index 0000000..f9b8b45
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_core/smartquotes.py
@@ -0,0 +1,202 @@
+"""Convert straight quotation marks to typographic ones"""
+
+from __future__ import annotations
+
+import re
+from typing import Any
+
+from ..common.utils import charCodeAt, isMdAsciiPunct, isPunctChar, isWhiteSpace
+from ..token import Token
+from .state_core import StateCore
+
+QUOTE_TEST_RE = re.compile(r"['\"]")
+QUOTE_RE = re.compile(r"['\"]")
+APOSTROPHE = "\u2019" # ’
+
+
+def replaceAt(string: str, index: int, ch: str) -> str:
+ # When the index is negative, the behavior is different from the js version.
+ # But basically, the index will not be negative.
+ assert index >= 0
+ return string[:index] + ch + string[index + 1 :]
+
+
+def process_inlines(tokens: list[Token], state: StateCore) -> None:
+ stack: list[dict[str, Any]] = []
+
+ for i, token in enumerate(tokens):
+ thisLevel = token.level
+
+ j = 0
+ for j in range(len(stack))[::-1]:
+ if stack[j]["level"] <= thisLevel:
+ break
+ else:
+ # When the loop is terminated without a "break".
+ # Subtract 1 to get the same index as the js version.
+ j -= 1
+
+ stack = stack[: j + 1]
+
+ if token.type != "text":
+ continue
+
+ text = token.content
+ pos = 0
+ maximum = len(text)
+
+ while pos < maximum:
+ goto_outer = False
+ lastIndex = pos
+ t = QUOTE_RE.search(text[lastIndex:])
+ if not t:
+ break
+
+ canOpen = canClose = True
+ pos = t.start(0) + lastIndex + 1
+ isSingle = t.group(0) == "'"
+
+ # Find previous character,
+ # default to space if it's the beginning of the line
+ lastChar: None | int = 0x20
+
+ if t.start(0) + lastIndex - 1 >= 0:
+ lastChar = charCodeAt(text, t.start(0) + lastIndex - 1)
+ else:
+ for j in range(i)[::-1]:
+ if tokens[j].type == "softbreak" or tokens[j].type == "hardbreak":
+ break
+ # should skip all tokens except 'text', 'html_inline' or 'code_inline'
+ if not tokens[j].content:
+ continue
+
+ lastChar = charCodeAt(tokens[j].content, len(tokens[j].content) - 1)
+ break
+
+ # Find next character,
+ # default to space if it's the end of the line
+ nextChar: None | int = 0x20
+
+ if pos < maximum:
+ nextChar = charCodeAt(text, pos)
+ else:
+ for j in range(i + 1, len(tokens)):
+ # nextChar defaults to 0x20
+ if tokens[j].type == "softbreak" or tokens[j].type == "hardbreak":
+ break
+ # should skip all tokens except 'text', 'html_inline' or 'code_inline'
+ if not tokens[j].content:
+ continue
+
+ nextChar = charCodeAt(tokens[j].content, 0)
+ break
+
+ isLastPunctChar = lastChar is not None and (
+ isMdAsciiPunct(lastChar) or isPunctChar(chr(lastChar))
+ )
+ isNextPunctChar = nextChar is not None and (
+ isMdAsciiPunct(nextChar) or isPunctChar(chr(nextChar))
+ )
+
+ isLastWhiteSpace = lastChar is not None and isWhiteSpace(lastChar)
+ isNextWhiteSpace = nextChar is not None and isWhiteSpace(nextChar)
+
+ if isNextWhiteSpace: # noqa: SIM114
+ canOpen = False
+ elif isNextPunctChar and not (isLastWhiteSpace or isLastPunctChar):
+ canOpen = False
+
+ if isLastWhiteSpace: # noqa: SIM114
+ canClose = False
+ elif isLastPunctChar and not (isNextWhiteSpace or isNextPunctChar):
+ canClose = False
+
+ if nextChar == 0x22 and t.group(0) == '"': # 0x22: " # noqa: SIM102
+ if (
+ lastChar is not None and lastChar >= 0x30 and lastChar <= 0x39
+ ): # 0x30: 0, 0x39: 9
+ # special case: 1"" - count first quote as an inch
+ canClose = canOpen = False
+
+ if canOpen and canClose:
+ # Replace quotes in the middle of punctuation sequence, but not
+ # in the middle of the words, i.e.:
+ #
+ # 1. foo " bar " baz - not replaced
+ # 2. foo-"-bar-"-baz - replaced
+ # 3. foo"bar"baz - not replaced
+ canOpen = isLastPunctChar
+ canClose = isNextPunctChar
+
+ if not canOpen and not canClose:
+ # middle of word
+ if isSingle:
+ token.content = replaceAt(
+ token.content, t.start(0) + lastIndex, APOSTROPHE
+ )
+ continue
+
+ if canClose:
+ # this could be a closing quote, rewind the stack to get a match
+ for j in range(len(stack))[::-1]:
+ item = stack[j]
+ if stack[j]["level"] < thisLevel:
+ break
+ if item["single"] == isSingle and stack[j]["level"] == thisLevel:
+ item = stack[j]
+
+ if isSingle:
+ openQuote = state.md.options.quotes[2]
+ closeQuote = state.md.options.quotes[3]
+ else:
+ openQuote = state.md.options.quotes[0]
+ closeQuote = state.md.options.quotes[1]
+
+ # replace token.content *before* tokens[item.token].content,
+ # because, if they are pointing at the same token, replaceAt
+ # could mess up indices when quote length != 1
+ token.content = replaceAt(
+ token.content, t.start(0) + lastIndex, closeQuote
+ )
+ tokens[item["token"]].content = replaceAt(
+ tokens[item["token"]].content, item["pos"], openQuote
+ )
+
+ pos += len(closeQuote) - 1
+ if item["token"] == i:
+ pos += len(openQuote) - 1
+
+ text = token.content
+ maximum = len(text)
+
+ stack = stack[:j]
+ goto_outer = True
+ break
+ if goto_outer:
+ goto_outer = False
+ continue
+
+ if canOpen:
+ stack.append(
+ {
+ "token": i,
+ "pos": t.start(0) + lastIndex,
+ "single": isSingle,
+ "level": thisLevel,
+ }
+ )
+ elif canClose and isSingle:
+ token.content = replaceAt(
+ token.content, t.start(0) + lastIndex, APOSTROPHE
+ )
+
+
+def smartquotes(state: StateCore) -> None:
+ if not state.md.options.typographer:
+ return
+
+ for token in state.tokens:
+ if token.type != "inline" or not QUOTE_RE.search(token.content):
+ continue
+ if token.children is not None:
+ process_inlines(token.children, state)
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_core/state_core.py b/Scripts/Lib/site-packages/markdown_it/rules_core/state_core.py
new file mode 100644
index 0000000..a938041
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_core/state_core.py
@@ -0,0 +1,25 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from ..ruler import StateBase
+from ..token import Token
+from ..utils import EnvType
+
+if TYPE_CHECKING:
+ from markdown_it import MarkdownIt
+
+
+class StateCore(StateBase):
+ def __init__(
+ self,
+ src: str,
+ md: MarkdownIt,
+ env: EnvType,
+ tokens: list[Token] | None = None,
+ ) -> None:
+ self.src = src
+ self.md = md # link to parser instance
+ self.env = env
+ self.tokens: list[Token] = tokens or []
+ self.inlineMode = False
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_core/text_join.py b/Scripts/Lib/site-packages/markdown_it/rules_core/text_join.py
new file mode 100644
index 0000000..5379f6d
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_core/text_join.py
@@ -0,0 +1,35 @@
+"""Join raw text tokens with the rest of the text
+
+This is set as a separate rule to provide an opportunity for plugins
+to run text replacements after text join, but before escape join.
+
+For example, `\\:)` shouldn't be replaced with an emoji.
+"""
+
+from __future__ import annotations
+
+from ..token import Token
+from .state_core import StateCore
+
+
+def text_join(state: StateCore) -> None:
+ """Join raw text for escape sequences (`text_special`) tokens with the rest of the text"""
+
+ for inline_token in state.tokens[:]:
+ if inline_token.type != "inline":
+ continue
+
+ # convert text_special to text and join all adjacent text nodes
+ new_tokens: list[Token] = []
+ for child_token in inline_token.children or []:
+ if child_token.type == "text_special":
+ child_token.type = "text"
+ if (
+ child_token.type == "text"
+ and new_tokens
+ and new_tokens[-1].type == "text"
+ ):
+ new_tokens[-1].content += child_token.content
+ else:
+ new_tokens.append(child_token)
+ inline_token.children = new_tokens
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/__init__.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/__init__.py
new file mode 100644
index 0000000..d82ef8f
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/__init__.py
@@ -0,0 +1,31 @@
+__all__ = (
+ "StateInline",
+ "autolink",
+ "backtick",
+ "emphasis",
+ "entity",
+ "escape",
+ "fragments_join",
+ "html_inline",
+ "image",
+ "link",
+ "link_pairs",
+ "linkify",
+ "newline",
+ "strikethrough",
+ "text",
+)
+from . import emphasis, strikethrough
+from .autolink import autolink
+from .backticks import backtick
+from .balance_pairs import link_pairs
+from .entity import entity
+from .escape import escape
+from .fragments_join import fragments_join
+from .html_inline import html_inline
+from .image import image
+from .link import link
+from .linkify import linkify
+from .newline import newline
+from .state_inline import StateInline
+from .text import text
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diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/autolink.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/autolink.py
new file mode 100644
index 0000000..6546e25
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/autolink.py
@@ -0,0 +1,77 @@
+# Process autolinks ''
+import re
+
+from .state_inline import StateInline
+
+EMAIL_RE = re.compile(
+ r"^([a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$"
+)
+AUTOLINK_RE = re.compile(r"^([a-zA-Z][a-zA-Z0-9+.\-]{1,31}):([^<>\x00-\x20]*)$")
+
+
+def autolink(state: StateInline, silent: bool) -> bool:
+ pos = state.pos
+
+ if state.src[pos] != "<":
+ return False
+
+ start = state.pos
+ maximum = state.posMax
+
+ while True:
+ pos += 1
+ if pos >= maximum:
+ return False
+
+ ch = state.src[pos]
+
+ if ch == "<":
+ return False
+ if ch == ">":
+ break
+
+ url = state.src[start + 1 : pos]
+
+ if AUTOLINK_RE.search(url) is not None:
+ fullUrl = state.md.normalizeLink(url)
+ if not state.md.validateLink(fullUrl):
+ return False
+
+ if not silent:
+ token = state.push("link_open", "a", 1)
+ token.attrs = {"href": fullUrl}
+ token.markup = "autolink"
+ token.info = "auto"
+
+ token = state.push("text", "", 0)
+ token.content = state.md.normalizeLinkText(url)
+
+ token = state.push("link_close", "a", -1)
+ token.markup = "autolink"
+ token.info = "auto"
+
+ state.pos += len(url) + 2
+ return True
+
+ if EMAIL_RE.search(url) is not None:
+ fullUrl = state.md.normalizeLink("mailto:" + url)
+ if not state.md.validateLink(fullUrl):
+ return False
+
+ if not silent:
+ token = state.push("link_open", "a", 1)
+ token.attrs = {"href": fullUrl}
+ token.markup = "autolink"
+ token.info = "auto"
+
+ token = state.push("text", "", 0)
+ token.content = state.md.normalizeLinkText(url)
+
+ token = state.push("link_close", "a", -1)
+ token.markup = "autolink"
+ token.info = "auto"
+
+ state.pos += len(url) + 2
+ return True
+
+ return False
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/backticks.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/backticks.py
new file mode 100644
index 0000000..fc60d6b
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/backticks.py
@@ -0,0 +1,72 @@
+# Parse backticks
+import re
+
+from .state_inline import StateInline
+
+regex = re.compile("^ (.+) $")
+
+
+def backtick(state: StateInline, silent: bool) -> bool:
+ pos = state.pos
+
+ if state.src[pos] != "`":
+ return False
+
+ start = pos
+ pos += 1
+ maximum = state.posMax
+
+ # scan marker length
+ while pos < maximum and (state.src[pos] == "`"):
+ pos += 1
+
+ marker = state.src[start:pos]
+ openerLength = len(marker)
+
+ if state.backticksScanned and state.backticks.get(openerLength, 0) <= start:
+ if not silent:
+ state.pending += marker
+ state.pos += openerLength
+ return True
+
+ matchStart = matchEnd = pos
+
+ # Nothing found in the cache, scan until the end of the line (or until marker is found)
+ while True:
+ try:
+ matchStart = state.src.index("`", matchEnd)
+ except ValueError:
+ break
+ matchEnd = matchStart + 1
+
+ # scan marker length
+ while matchEnd < maximum and (state.src[matchEnd] == "`"):
+ matchEnd += 1
+
+ closerLength = matchEnd - matchStart
+
+ if closerLength == openerLength:
+ # Found matching closer length.
+ if not silent:
+ token = state.push("code_inline", "code", 0)
+ token.markup = marker
+ token.content = state.src[pos:matchStart].replace("\n", " ")
+ if (
+ token.content.startswith(" ")
+ and token.content.endswith(" ")
+ and len(token.content.strip()) > 0
+ ):
+ token.content = token.content[1:-1]
+ state.pos = matchEnd
+ return True
+
+ # Some different length found, put it in cache as upper limit of where closer can be found
+ state.backticks[closerLength] = matchStart
+
+ # Scanned through the end, didn't find anything
+ state.backticksScanned = True
+
+ if not silent:
+ state.pending += marker
+ state.pos += openerLength
+ return True
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/balance_pairs.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/balance_pairs.py
new file mode 100644
index 0000000..9c63b27
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/balance_pairs.py
@@ -0,0 +1,138 @@
+"""Balance paired characters (*, _, etc) in inline tokens."""
+
+from __future__ import annotations
+
+from .state_inline import Delimiter, StateInline
+
+
+def processDelimiters(state: StateInline, delimiters: list[Delimiter]) -> None:
+ """For each opening emphasis-like marker find a matching closing one."""
+ if not delimiters:
+ return
+
+ openersBottom = {}
+ maximum = len(delimiters)
+
+ # headerIdx is the first delimiter of the current (where closer is) delimiter run
+ headerIdx = 0
+ lastTokenIdx = -2 # needs any value lower than -1
+ jumps: list[int] = []
+ closerIdx = 0
+ while closerIdx < maximum:
+ closer = delimiters[closerIdx]
+
+ jumps.append(0)
+
+ # markers belong to same delimiter run if:
+ # - they have adjacent tokens
+ # - AND markers are the same
+ #
+ if (
+ delimiters[headerIdx].marker != closer.marker
+ or lastTokenIdx != closer.token - 1
+ ):
+ headerIdx = closerIdx
+ lastTokenIdx = closer.token
+
+ # Length is only used for emphasis-specific "rule of 3",
+ # if it's not defined (in strikethrough or 3rd party plugins),
+ # we can default it to 0 to disable those checks.
+ #
+ closer.length = closer.length or 0
+
+ if not closer.close:
+ closerIdx += 1
+ continue
+
+ # Previously calculated lower bounds (previous fails)
+ # for each marker, each delimiter length modulo 3,
+ # and for whether this closer can be an opener;
+ # https://github.com/commonmark/cmark/commit/34250e12ccebdc6372b8b49c44fab57c72443460
+ if closer.marker not in openersBottom:
+ openersBottom[closer.marker] = [-1, -1, -1, -1, -1, -1]
+
+ minOpenerIdx = openersBottom[closer.marker][
+ (3 if closer.open else 0) + (closer.length % 3)
+ ]
+
+ openerIdx = headerIdx - jumps[headerIdx] - 1
+
+ newMinOpenerIdx = openerIdx
+
+ while openerIdx > minOpenerIdx:
+ opener = delimiters[openerIdx]
+
+ if opener.marker != closer.marker:
+ openerIdx -= jumps[openerIdx] + 1
+ continue
+
+ if opener.open and opener.end < 0:
+ isOddMatch = False
+
+ # from spec:
+ #
+ # If one of the delimiters can both open and close emphasis, then the
+ # sum of the lengths of the delimiter runs containing the opening and
+ # closing delimiters must not be a multiple of 3 unless both lengths
+ # are multiples of 3.
+ #
+ if (
+ (opener.close or closer.open)
+ and ((opener.length + closer.length) % 3 == 0)
+ and (opener.length % 3 != 0 or closer.length % 3 != 0)
+ ):
+ isOddMatch = True
+
+ if not isOddMatch:
+ # If previous delimiter cannot be an opener, we can safely skip
+ # the entire sequence in future checks. This is required to make
+ # sure algorithm has linear complexity (see *_*_*_*_*_... case).
+ #
+ if openerIdx > 0 and not delimiters[openerIdx - 1].open:
+ lastJump = jumps[openerIdx - 1] + 1
+ else:
+ lastJump = 0
+
+ jumps[closerIdx] = closerIdx - openerIdx + lastJump
+ jumps[openerIdx] = lastJump
+
+ closer.open = False
+ opener.end = closerIdx
+ opener.close = False
+ newMinOpenerIdx = -1
+
+ # treat next token as start of run,
+ # it optimizes skips in **<...>**a**<...>** pathological case
+ lastTokenIdx = -2
+
+ break
+
+ openerIdx -= jumps[openerIdx] + 1
+
+ if newMinOpenerIdx != -1:
+ # If match for this delimiter run failed, we want to set lower bound for
+ # future lookups. This is required to make sure algorithm has linear
+ # complexity.
+ #
+ # See details here:
+ # https:#github.com/commonmark/cmark/issues/178#issuecomment-270417442
+ #
+ openersBottom[closer.marker][
+ (3 if closer.open else 0) + ((closer.length or 0) % 3)
+ ] = newMinOpenerIdx
+
+ closerIdx += 1
+
+
+def link_pairs(state: StateInline) -> None:
+ tokens_meta = state.tokens_meta
+ maximum = len(state.tokens_meta)
+
+ processDelimiters(state, state.delimiters)
+
+ curr = 0
+ while curr < maximum:
+ curr_meta = tokens_meta[curr]
+ if curr_meta and "delimiters" in curr_meta:
+ processDelimiters(state, curr_meta["delimiters"])
+ curr += 1
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/emphasis.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/emphasis.py
new file mode 100644
index 0000000..9a98f9e
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/emphasis.py
@@ -0,0 +1,102 @@
+# Process *this* and _that_
+#
+from __future__ import annotations
+
+from .state_inline import Delimiter, StateInline
+
+
+def tokenize(state: StateInline, silent: bool) -> bool:
+ """Insert each marker as a separate text token, and add it to delimiter list"""
+ start = state.pos
+ marker = state.src[start]
+
+ if silent:
+ return False
+
+ if marker not in ("_", "*"):
+ return False
+
+ scanned = state.scanDelims(state.pos, marker == "*")
+
+ for _ in range(scanned.length):
+ token = state.push("text", "", 0)
+ token.content = marker
+ state.delimiters.append(
+ Delimiter(
+ marker=ord(marker),
+ length=scanned.length,
+ token=len(state.tokens) - 1,
+ end=-1,
+ open=scanned.can_open,
+ close=scanned.can_close,
+ )
+ )
+
+ state.pos += scanned.length
+
+ return True
+
+
+def _postProcess(state: StateInline, delimiters: list[Delimiter]) -> None:
+ i = len(delimiters) - 1
+ while i >= 0:
+ startDelim = delimiters[i]
+
+ # /* _ */ /* * */
+ if startDelim.marker != 0x5F and startDelim.marker != 0x2A:
+ i -= 1
+ continue
+
+ # Process only opening markers
+ if startDelim.end == -1:
+ i -= 1
+ continue
+
+ endDelim = delimiters[startDelim.end]
+
+ # If the previous delimiter has the same marker and is adjacent to this one,
+ # merge those into one strong delimiter.
+ #
+ # `whatever whatever `
+ #
+ isStrong = (
+ i > 0
+ and delimiters[i - 1].end == startDelim.end + 1
+ # check that first two markers match and adjacent
+ and delimiters[i - 1].marker == startDelim.marker
+ and delimiters[i - 1].token == startDelim.token - 1
+ # check that last two markers are adjacent (we can safely assume they match)
+ and delimiters[startDelim.end + 1].token == endDelim.token + 1
+ )
+
+ ch = chr(startDelim.marker)
+
+ token = state.tokens[startDelim.token]
+ token.type = "strong_open" if isStrong else "em_open"
+ token.tag = "strong" if isStrong else "em"
+ token.nesting = 1
+ token.markup = ch + ch if isStrong else ch
+ token.content = ""
+
+ token = state.tokens[endDelim.token]
+ token.type = "strong_close" if isStrong else "em_close"
+ token.tag = "strong" if isStrong else "em"
+ token.nesting = -1
+ token.markup = ch + ch if isStrong else ch
+ token.content = ""
+
+ if isStrong:
+ state.tokens[delimiters[i - 1].token].content = ""
+ state.tokens[delimiters[startDelim.end + 1].token].content = ""
+ i -= 1
+
+ i -= 1
+
+
+def postProcess(state: StateInline) -> None:
+ """Walk through delimiter list and replace text tokens with tags."""
+ _postProcess(state, state.delimiters)
+
+ for token in state.tokens_meta:
+ if token and "delimiters" in token:
+ _postProcess(state, token["delimiters"])
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/entity.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/entity.py
new file mode 100644
index 0000000..ec9d396
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/entity.py
@@ -0,0 +1,53 @@
+# Process html entity - {, ¯, ", ...
+import re
+
+from ..common.entities import entities
+from ..common.utils import fromCodePoint, isValidEntityCode
+from .state_inline import StateInline
+
+DIGITAL_RE = re.compile(r"^&#((?:x[a-f0-9]{1,6}|[0-9]{1,7}));", re.IGNORECASE)
+NAMED_RE = re.compile(r"^&([a-z][a-z0-9]{1,31});", re.IGNORECASE)
+
+
+def entity(state: StateInline, silent: bool) -> bool:
+ pos = state.pos
+ maximum = state.posMax
+
+ if state.src[pos] != "&":
+ return False
+
+ if pos + 1 >= maximum:
+ return False
+
+ if state.src[pos + 1] == "#":
+ if match := DIGITAL_RE.search(state.src[pos:]):
+ if not silent:
+ match1 = match.group(1)
+ code = (
+ int(match1[1:], 16) if match1[0].lower() == "x" else int(match1, 10)
+ )
+
+ token = state.push("text_special", "", 0)
+ token.content = (
+ fromCodePoint(code)
+ if isValidEntityCode(code)
+ else fromCodePoint(0xFFFD)
+ )
+ token.markup = match.group(0)
+ token.info = "entity"
+
+ state.pos += len(match.group(0))
+ return True
+
+ else:
+ if (match := NAMED_RE.search(state.src[pos:])) and match.group(1) in entities:
+ if not silent:
+ token = state.push("text_special", "", 0)
+ token.content = entities[match.group(1)]
+ token.markup = match.group(0)
+ token.info = "entity"
+
+ state.pos += len(match.group(0))
+ return True
+
+ return False
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/escape.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/escape.py
new file mode 100644
index 0000000..0fca6c8
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/escape.py
@@ -0,0 +1,93 @@
+"""
+Process escaped chars and hardbreaks
+"""
+
+from ..common.utils import isStrSpace
+from .state_inline import StateInline
+
+
+def escape(state: StateInline, silent: bool) -> bool:
+ """Process escaped chars and hardbreaks."""
+ pos = state.pos
+ maximum = state.posMax
+
+ if state.src[pos] != "\\":
+ return False
+
+ pos += 1
+
+ # '\' at the end of the inline block
+ if pos >= maximum:
+ return False
+
+ ch1 = state.src[pos]
+ ch1_ord = ord(ch1)
+ if ch1 == "\n":
+ if not silent:
+ state.push("hardbreak", "br", 0)
+ pos += 1
+ # skip leading whitespaces from next line
+ while pos < maximum:
+ ch = state.src[pos]
+ if not isStrSpace(ch):
+ break
+ pos += 1
+
+ state.pos = pos
+ return True
+
+ escapedStr = state.src[pos]
+
+ if ch1_ord >= 0xD800 and ch1_ord <= 0xDBFF and pos + 1 < maximum:
+ ch2 = state.src[pos + 1]
+ ch2_ord = ord(ch2)
+ if ch2_ord >= 0xDC00 and ch2_ord <= 0xDFFF:
+ escapedStr += ch2
+ pos += 1
+
+ origStr = "\\" + escapedStr
+
+ if not silent:
+ token = state.push("text_special", "", 0)
+ token.content = escapedStr if ch1 in _ESCAPED else origStr
+ token.markup = origStr
+ token.info = "escape"
+
+ state.pos = pos + 1
+ return True
+
+
+_ESCAPED = {
+ "!",
+ '"',
+ "#",
+ "$",
+ "%",
+ "&",
+ "'",
+ "(",
+ ")",
+ "*",
+ "+",
+ ",",
+ "-",
+ ".",
+ "/",
+ ":",
+ ";",
+ "<",
+ "=",
+ ">",
+ "?",
+ "@",
+ "[",
+ "\\",
+ "]",
+ "^",
+ "_",
+ "`",
+ "{",
+ "|",
+ "}",
+ "~",
+}
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/fragments_join.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/fragments_join.py
new file mode 100644
index 0000000..f795c13
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/fragments_join.py
@@ -0,0 +1,43 @@
+from .state_inline import StateInline
+
+
+def fragments_join(state: StateInline) -> None:
+ """
+ Clean up tokens after emphasis and strikethrough postprocessing:
+ merge adjacent text nodes into one and re-calculate all token levels
+
+ This is necessary because initially emphasis delimiter markers (``*, _, ~``)
+ are treated as their own separate text tokens. Then emphasis rule either
+ leaves them as text (needed to merge with adjacent text) or turns them
+ into opening/closing tags (which messes up levels inside).
+ """
+ level = 0
+ maximum = len(state.tokens)
+
+ curr = last = 0
+ while curr < maximum:
+ # re-calculate levels after emphasis/strikethrough turns some text nodes
+ # into opening/closing tags
+ if state.tokens[curr].nesting < 0:
+ level -= 1 # closing tag
+ state.tokens[curr].level = level
+ if state.tokens[curr].nesting > 0:
+ level += 1 # opening tag
+
+ if (
+ state.tokens[curr].type == "text"
+ and curr + 1 < maximum
+ and state.tokens[curr + 1].type == "text"
+ ):
+ # collapse two adjacent text nodes
+ state.tokens[curr + 1].content = (
+ state.tokens[curr].content + state.tokens[curr + 1].content
+ )
+ else:
+ if curr != last:
+ state.tokens[last] = state.tokens[curr]
+ last += 1
+ curr += 1
+
+ if curr != last:
+ del state.tokens[last:]
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/html_inline.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/html_inline.py
new file mode 100644
index 0000000..9065e1d
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/html_inline.py
@@ -0,0 +1,43 @@
+# Process html tags
+from ..common.html_re import HTML_TAG_RE
+from ..common.utils import isLinkClose, isLinkOpen
+from .state_inline import StateInline
+
+
+def isLetter(ch: int) -> bool:
+ lc = ch | 0x20 # to lower case
+ # /* a */ and /* z */
+ return (lc >= 0x61) and (lc <= 0x7A)
+
+
+def html_inline(state: StateInline, silent: bool) -> bool:
+ pos = state.pos
+
+ if not state.md.options.get("html", None):
+ return False
+
+ # Check start
+ maximum = state.posMax
+ if state.src[pos] != "<" or pos + 2 >= maximum:
+ return False
+
+ # Quick fail on second char
+ ch = state.src[pos + 1]
+ if ch not in ("!", "?", "/") and not isLetter(ord(ch)): # /* / */
+ return False
+
+ match = HTML_TAG_RE.search(state.src[pos:])
+ if not match:
+ return False
+
+ if not silent:
+ token = state.push("html_inline", "", 0)
+ token.content = state.src[pos : pos + len(match.group(0))]
+
+ if isLinkOpen(token.content):
+ state.linkLevel += 1
+ if isLinkClose(token.content):
+ state.linkLevel -= 1
+
+ state.pos += len(match.group(0))
+ return True
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/image.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/image.py
new file mode 100644
index 0000000..005105b
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/image.py
@@ -0,0 +1,148 @@
+# Process ![image]( "title")
+from __future__ import annotations
+
+from ..common.utils import isStrSpace, normalizeReference
+from ..token import Token
+from .state_inline import StateInline
+
+
+def image(state: StateInline, silent: bool) -> bool:
+ label = None
+ href = ""
+ oldPos = state.pos
+ max = state.posMax
+
+ if state.src[state.pos] != "!":
+ return False
+
+ if state.pos + 1 < state.posMax and state.src[state.pos + 1] != "[":
+ return False
+
+ labelStart = state.pos + 2
+ labelEnd = state.md.helpers.parseLinkLabel(state, state.pos + 1, False)
+
+ # parser failed to find ']', so it's not a valid link
+ if labelEnd < 0:
+ return False
+
+ pos = labelEnd + 1
+
+ if pos < max and state.src[pos] == "(":
+ #
+ # Inline link
+ #
+
+ # [link]( "title" )
+ # ^^ skipping these spaces
+ pos += 1
+ while pos < max:
+ ch = state.src[pos]
+ if not isStrSpace(ch) and ch != "\n":
+ break
+ pos += 1
+
+ if pos >= max:
+ return False
+
+ # [link]( "title" )
+ # ^^^^^^ parsing link destination
+ start = pos
+ res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax)
+ if res.ok:
+ href = state.md.normalizeLink(res.str)
+ if state.md.validateLink(href):
+ pos = res.pos
+ else:
+ href = ""
+
+ # [link]( "title" )
+ # ^^ skipping these spaces
+ start = pos
+ while pos < max:
+ ch = state.src[pos]
+ if not isStrSpace(ch) and ch != "\n":
+ break
+ pos += 1
+
+ # [link]( "title" )
+ # ^^^^^^^ parsing link title
+ res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax, None)
+ if pos < max and start != pos and res.ok:
+ title = res.str
+ pos = res.pos
+
+ # [link]( "title" )
+ # ^^ skipping these spaces
+ while pos < max:
+ ch = state.src[pos]
+ if not isStrSpace(ch) and ch != "\n":
+ break
+ pos += 1
+ else:
+ title = ""
+
+ if pos >= max or state.src[pos] != ")":
+ state.pos = oldPos
+ return False
+
+ pos += 1
+
+ else:
+ #
+ # Link reference
+ #
+ if "references" not in state.env:
+ return False
+
+ # /* [ */
+ if pos < max and state.src[pos] == "[":
+ start = pos + 1
+ pos = state.md.helpers.parseLinkLabel(state, pos)
+ if pos >= 0:
+ label = state.src[start:pos]
+ pos += 1
+ else:
+ pos = labelEnd + 1
+ else:
+ pos = labelEnd + 1
+
+ # covers label == '' and label == undefined
+ # (collapsed reference link and shortcut reference link respectively)
+ if not label:
+ label = state.src[labelStart:labelEnd]
+
+ label = normalizeReference(label)
+
+ ref = state.env["references"].get(label, None)
+ if not ref:
+ state.pos = oldPos
+ return False
+
+ href = ref["href"]
+ title = ref["title"]
+
+ #
+ # We found the end of the link, and know for a fact it's a valid link
+ # so all that's left to do is to call tokenizer.
+ #
+ if not silent:
+ content = state.src[labelStart:labelEnd]
+
+ tokens: list[Token] = []
+ state.md.inline.parse(content, state.md, state.env, tokens)
+
+ token = state.push("image", "img", 0)
+ token.attrs = {"src": href, "alt": ""}
+ token.children = tokens or None
+ token.content = content
+
+ if title:
+ token.attrSet("title", title)
+
+ # note, this is not part of markdown-it JS, but is useful for renderers
+ if label and state.md.options.get("store_labels", False):
+ token.meta["label"] = label
+
+ state.pos = pos
+ state.posMax = max
+ return True
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/link.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/link.py
new file mode 100644
index 0000000..2e92c7d
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/link.py
@@ -0,0 +1,149 @@
+# Process [link]( "stuff")
+
+from ..common.utils import isStrSpace, normalizeReference
+from .state_inline import StateInline
+
+
+def link(state: StateInline, silent: bool) -> bool:
+ href = ""
+ title = ""
+ label = None
+ oldPos = state.pos
+ maximum = state.posMax
+ start = state.pos
+ parseReference = True
+
+ if state.src[state.pos] != "[":
+ return False
+
+ labelStart = state.pos + 1
+ labelEnd = state.md.helpers.parseLinkLabel(state, state.pos, True)
+
+ # parser failed to find ']', so it's not a valid link
+ if labelEnd < 0:
+ return False
+
+ pos = labelEnd + 1
+
+ if pos < maximum and state.src[pos] == "(":
+ #
+ # Inline link
+ #
+
+ # might have found a valid shortcut link, disable reference parsing
+ parseReference = False
+
+ # [link]( "title" )
+ # ^^ skipping these spaces
+ pos += 1
+ while pos < maximum:
+ ch = state.src[pos]
+ if not isStrSpace(ch) and ch != "\n":
+ break
+ pos += 1
+
+ if pos >= maximum:
+ return False
+
+ # [link]( "title" )
+ # ^^^^^^ parsing link destination
+ start = pos
+ res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax)
+ if res.ok:
+ href = state.md.normalizeLink(res.str)
+ if state.md.validateLink(href):
+ pos = res.pos
+ else:
+ href = ""
+
+ # [link]( "title" )
+ # ^^ skipping these spaces
+ start = pos
+ while pos < maximum:
+ ch = state.src[pos]
+ if not isStrSpace(ch) and ch != "\n":
+ break
+ pos += 1
+
+ # [link]( "title" )
+ # ^^^^^^^ parsing link title
+ res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax)
+ if pos < maximum and start != pos and res.ok:
+ title = res.str
+ pos = res.pos
+
+ # [link]( "title" )
+ # ^^ skipping these spaces
+ while pos < maximum:
+ ch = state.src[pos]
+ if not isStrSpace(ch) and ch != "\n":
+ break
+ pos += 1
+
+ if pos >= maximum or state.src[pos] != ")":
+ # parsing a valid shortcut link failed, fallback to reference
+ parseReference = True
+
+ pos += 1
+
+ if parseReference:
+ #
+ # Link reference
+ #
+ if "references" not in state.env:
+ return False
+
+ if pos < maximum and state.src[pos] == "[":
+ start = pos + 1
+ pos = state.md.helpers.parseLinkLabel(state, pos)
+ if pos >= 0:
+ label = state.src[start:pos]
+ pos += 1
+ else:
+ pos = labelEnd + 1
+
+ else:
+ pos = labelEnd + 1
+
+ # covers label == '' and label == undefined
+ # (collapsed reference link and shortcut reference link respectively)
+ if not label:
+ label = state.src[labelStart:labelEnd]
+
+ label = normalizeReference(label)
+
+ ref = state.env["references"].get(label, None)
+ if not ref:
+ state.pos = oldPos
+ return False
+
+ href = ref["href"]
+ title = ref["title"]
+
+ #
+ # We found the end of the link, and know for a fact it's a valid link
+ # so all that's left to do is to call tokenizer.
+ #
+ if not silent:
+ state.pos = labelStart
+ state.posMax = labelEnd
+
+ token = state.push("link_open", "a", 1)
+ token.attrs = {"href": href}
+
+ if title:
+ token.attrSet("title", title)
+
+ # note, this is not part of markdown-it JS, but is useful for renderers
+ if label and state.md.options.get("store_labels", False):
+ token.meta["label"] = label
+
+ state.linkLevel += 1
+ state.md.inline.tokenize(state)
+ state.linkLevel -= 1
+
+ token = state.push("link_close", "a", -1)
+
+ state.pos = pos
+ state.posMax = maximum
+ return True
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/linkify.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/linkify.py
new file mode 100644
index 0000000..3669396
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/linkify.py
@@ -0,0 +1,62 @@
+"""Process links like https://example.org/"""
+
+import re
+
+from .state_inline import StateInline
+
+# RFC3986: scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
+SCHEME_RE = re.compile(r"(?:^|[^a-z0-9.+-])([a-z][a-z0-9.+-]*)$", re.IGNORECASE)
+
+
+def linkify(state: StateInline, silent: bool) -> bool:
+ """Rule for identifying plain-text links."""
+ if not state.md.options.linkify:
+ return False
+ if state.linkLevel > 0:
+ return False
+ if not state.md.linkify:
+ raise ModuleNotFoundError("Linkify enabled but not installed.")
+
+ pos = state.pos
+ maximum = state.posMax
+
+ if (
+ (pos + 3) > maximum
+ or state.src[pos] != ":"
+ or state.src[pos + 1] != "/"
+ or state.src[pos + 2] != "/"
+ ):
+ return False
+
+ if not (match := SCHEME_RE.search(state.pending)):
+ return False
+
+ proto = match.group(1)
+ if not (link := state.md.linkify.match_at_start(state.src[pos - len(proto) :])):
+ return False
+ url: str = link.url
+
+ # disallow '*' at the end of the link (conflicts with emphasis)
+ url = url.rstrip("*")
+
+ full_url = state.md.normalizeLink(url)
+ if not state.md.validateLink(full_url):
+ return False
+
+ if not silent:
+ state.pending = state.pending[: -len(proto)]
+
+ token = state.push("link_open", "a", 1)
+ token.attrs = {"href": full_url}
+ token.markup = "linkify"
+ token.info = "auto"
+
+ token = state.push("text", "", 0)
+ token.content = state.md.normalizeLinkText(url)
+
+ token = state.push("link_close", "a", -1)
+ token.markup = "linkify"
+ token.info = "auto"
+
+ state.pos += len(url) - len(proto)
+ return True
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/newline.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/newline.py
new file mode 100644
index 0000000..d05ee6d
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/newline.py
@@ -0,0 +1,44 @@
+"""Proceess '\n'."""
+
+from ..common.utils import charStrAt, isStrSpace
+from .state_inline import StateInline
+
+
+def newline(state: StateInline, silent: bool) -> bool:
+ pos = state.pos
+
+ if state.src[pos] != "\n":
+ return False
+
+ pmax = len(state.pending) - 1
+ maximum = state.posMax
+
+ # ' \n' -> hardbreak
+ # Lookup in pending chars is bad practice! Don't copy to other rules!
+ # Pending string is stored in concat mode, indexed lookups will cause
+ # conversion to flat mode.
+ if not silent:
+ if pmax >= 0 and charStrAt(state.pending, pmax) == " ":
+ if pmax >= 1 and charStrAt(state.pending, pmax - 1) == " ":
+ # Find whitespaces tail of pending chars.
+ ws = pmax - 1
+ while ws >= 1 and charStrAt(state.pending, ws - 1) == " ":
+ ws -= 1
+ state.pending = state.pending[:ws]
+
+ state.push("hardbreak", "br", 0)
+ else:
+ state.pending = state.pending[:-1]
+ state.push("softbreak", "br", 0)
+
+ else:
+ state.push("softbreak", "br", 0)
+
+ pos += 1
+
+ # skip heading spaces for next line
+ while pos < maximum and isStrSpace(state.src[pos]):
+ pos += 1
+
+ state.pos = pos
+ return True
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/state_inline.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/state_inline.py
new file mode 100644
index 0000000..50dc412
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/state_inline.py
@@ -0,0 +1,165 @@
+from __future__ import annotations
+
+from collections import namedtuple
+from dataclasses import dataclass
+from typing import TYPE_CHECKING, Any, Literal
+
+from ..common.utils import isMdAsciiPunct, isPunctChar, isWhiteSpace
+from ..ruler import StateBase
+from ..token import Token
+from ..utils import EnvType
+
+if TYPE_CHECKING:
+ from markdown_it import MarkdownIt
+
+
+@dataclass(slots=True)
+class Delimiter:
+ # Char code of the starting marker (number).
+ marker: int
+
+ # Total length of these series of delimiters.
+ length: int
+
+ # A position of the token this delimiter corresponds to.
+ token: int
+
+ # If this delimiter is matched as a valid opener, `end` will be
+ # equal to its position, otherwise it's `-1`.
+ end: int
+
+ # Boolean flags that determine if this delimiter could open or close
+ # an emphasis.
+ open: bool
+ close: bool
+
+ level: bool | None = None
+
+
+Scanned = namedtuple("Scanned", ["can_open", "can_close", "length"])
+
+
+class StateInline(StateBase):
+ def __init__(
+ self, src: str, md: MarkdownIt, env: EnvType, outTokens: list[Token]
+ ) -> None:
+ self.src = src
+ self.env = env
+ self.md = md
+ self.tokens = outTokens
+ self.tokens_meta: list[dict[str, Any] | None] = [None] * len(outTokens)
+
+ self.pos = 0
+ self.posMax = len(self.src)
+ self.level = 0
+ self.pending = ""
+ self.pendingLevel = 0
+
+ # Stores { start: end } pairs. Useful for backtrack
+ # optimization of pairs parse (emphasis, strikes).
+ self.cache: dict[int, int] = {}
+
+ # List of emphasis-like delimiters for current tag
+ self.delimiters: list[Delimiter] = []
+
+ # Stack of delimiter lists for upper level tags
+ self._prev_delimiters: list[list[Delimiter]] = []
+
+ # backticklength => last seen position
+ self.backticks: dict[int, int] = {}
+ self.backticksScanned = False
+
+ # Counter used to disable inline linkify-it execution
+ # inside and markdown links
+ self.linkLevel = 0
+
+ def __repr__(self) -> str:
+ return (
+ f"{self.__class__.__name__}"
+ f"(pos=[{self.pos} of {self.posMax}], token={len(self.tokens)})"
+ )
+
+ def pushPending(self) -> Token:
+ token = Token("text", "", 0)
+ token.content = self.pending
+ token.level = self.pendingLevel
+ self.tokens.append(token)
+ self.pending = ""
+ return token
+
+ def push(self, ttype: str, tag: str, nesting: Literal[-1, 0, 1]) -> Token:
+ """Push new token to "stream".
+ If pending text exists - flush it as text token
+ """
+ if self.pending:
+ self.pushPending()
+
+ token = Token(ttype, tag, nesting)
+ token_meta = None
+
+ if nesting < 0:
+ # closing tag
+ self.level -= 1
+ self.delimiters = self._prev_delimiters.pop()
+
+ token.level = self.level
+
+ if nesting > 0:
+ # opening tag
+ self.level += 1
+ self._prev_delimiters.append(self.delimiters)
+ self.delimiters = []
+ token_meta = {"delimiters": self.delimiters}
+
+ self.pendingLevel = self.level
+ self.tokens.append(token)
+ self.tokens_meta.append(token_meta)
+ return token
+
+ def scanDelims(self, start: int, canSplitWord: bool) -> Scanned:
+ """
+ Scan a sequence of emphasis-like markers, and determine whether
+ it can start an emphasis sequence or end an emphasis sequence.
+
+ - start - position to scan from (it should point at a valid marker);
+ - canSplitWord - determine if these markers can be found inside a word
+
+ """
+ pos = start
+ maximum = self.posMax
+ marker = self.src[start]
+
+ # treat beginning of the line as a whitespace
+ lastChar = self.src[start - 1] if start > 0 else " "
+
+ while pos < maximum and self.src[pos] == marker:
+ pos += 1
+
+ count = pos - start
+
+ # treat end of the line as a whitespace
+ nextChar = self.src[pos] if pos < maximum else " "
+
+ isLastPunctChar = isMdAsciiPunct(ord(lastChar)) or isPunctChar(lastChar)
+ isNextPunctChar = isMdAsciiPunct(ord(nextChar)) or isPunctChar(nextChar)
+
+ isLastWhiteSpace = isWhiteSpace(ord(lastChar))
+ isNextWhiteSpace = isWhiteSpace(ord(nextChar))
+
+ left_flanking = not (
+ isNextWhiteSpace
+ or (isNextPunctChar and not (isLastWhiteSpace or isLastPunctChar))
+ )
+ right_flanking = not (
+ isLastWhiteSpace
+ or (isLastPunctChar and not (isNextWhiteSpace or isNextPunctChar))
+ )
+
+ can_open = left_flanking and (
+ canSplitWord or (not right_flanking) or isLastPunctChar
+ )
+ can_close = right_flanking and (
+ canSplitWord or (not left_flanking) or isNextPunctChar
+ )
+
+ return Scanned(can_open, can_close, count)
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/strikethrough.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/strikethrough.py
new file mode 100644
index 0000000..ec81628
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/strikethrough.py
@@ -0,0 +1,127 @@
+# ~~strike through~~
+from __future__ import annotations
+
+from .state_inline import Delimiter, StateInline
+
+
+def tokenize(state: StateInline, silent: bool) -> bool:
+ """Insert each marker as a separate text token, and add it to delimiter list"""
+ start = state.pos
+ ch = state.src[start]
+
+ if silent:
+ return False
+
+ if ch != "~":
+ return False
+
+ scanned = state.scanDelims(state.pos, True)
+ length = scanned.length
+
+ if length < 2:
+ return False
+
+ if length % 2:
+ token = state.push("text", "", 0)
+ token.content = ch
+ length -= 1
+
+ i = 0
+ while i < length:
+ token = state.push("text", "", 0)
+ token.content = ch + ch
+ state.delimiters.append(
+ Delimiter(
+ marker=ord(ch),
+ length=0, # disable "rule of 3" length checks meant for emphasis
+ token=len(state.tokens) - 1,
+ end=-1,
+ open=scanned.can_open,
+ close=scanned.can_close,
+ )
+ )
+
+ i += 2
+
+ state.pos += scanned.length
+
+ return True
+
+
+def _postProcess(state: StateInline, delimiters: list[Delimiter]) -> None:
+ loneMarkers = []
+ maximum = len(delimiters)
+
+ i = 0
+ while i < maximum:
+ startDelim = delimiters[i]
+
+ if startDelim.marker != 0x7E: # /* ~ */
+ i += 1
+ continue
+
+ if startDelim.end == -1:
+ i += 1
+ continue
+
+ endDelim = delimiters[startDelim.end]
+
+ token = state.tokens[startDelim.token]
+ token.type = "s_open"
+ token.tag = "s"
+ token.nesting = 1
+ token.markup = "~~"
+ token.content = ""
+
+ token = state.tokens[endDelim.token]
+ token.type = "s_close"
+ token.tag = "s"
+ token.nesting = -1
+ token.markup = "~~"
+ token.content = ""
+
+ if (
+ state.tokens[endDelim.token - 1].type == "text"
+ and state.tokens[endDelim.token - 1].content == "~"
+ ):
+ loneMarkers.append(endDelim.token - 1)
+
+ i += 1
+
+ # If a marker sequence has an odd number of characters, it's split
+ # like this: `~~~~~` -> `~` + `~~` + `~~`, leaving one marker at the
+ # start of the sequence.
+ #
+ # So, we have to move all those markers after subsequent s_close tags.
+ #
+ while loneMarkers:
+ i = loneMarkers.pop()
+ j = i + 1
+
+ while (j < len(state.tokens)) and (state.tokens[j].type == "s_close"):
+ j += 1
+
+ j -= 1
+
+ if i != j:
+ token = state.tokens[j]
+ state.tokens[j] = state.tokens[i]
+ state.tokens[i] = token
+
+
+def postProcess(state: StateInline) -> None:
+ """Walk through delimiter list and replace text tokens with tags."""
+ tokens_meta = state.tokens_meta
+ maximum = len(state.tokens_meta)
+ _postProcess(state, state.delimiters)
+
+ curr = 0
+ while curr < maximum:
+ try:
+ curr_meta = tokens_meta[curr]
+ except IndexError:
+ pass
+ else:
+ if curr_meta and "delimiters" in curr_meta:
+ _postProcess(state, curr_meta["delimiters"])
+ curr += 1
diff --git a/Scripts/Lib/site-packages/markdown_it/rules_inline/text.py b/Scripts/Lib/site-packages/markdown_it/rules_inline/text.py
new file mode 100644
index 0000000..18b2fcc
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/rules_inline/text.py
@@ -0,0 +1,62 @@
+import functools
+import re
+
+# Skip text characters for text token, place those to pending buffer
+# and increment current pos
+from .state_inline import StateInline
+
+# Rule to skip pure text
+# '{}$%@~+=:' reserved for extensions
+
+# !!!! Don't confuse with "Markdown ASCII Punctuation" chars
+# http://spec.commonmark.org/0.15/#ascii-punctuation-character
+
+
+_TerminatorChars = {
+ "\n",
+ "!",
+ "#",
+ "$",
+ "%",
+ "&",
+ "*",
+ "+",
+ "-",
+ ":",
+ "<",
+ "=",
+ ">",
+ "@",
+ "[",
+ "\\",
+ "]",
+ "^",
+ "_",
+ "`",
+ "{",
+ "}",
+ "~",
+}
+
+
+@functools.cache
+def _terminator_char_regex() -> re.Pattern[str]:
+ return re.compile("[" + re.escape("".join(_TerminatorChars)) + "]")
+
+
+def text(state: StateInline, silent: bool) -> bool:
+ pos = state.pos
+ posMax = state.posMax
+
+ terminator_char = _terminator_char_regex().search(state.src, pos)
+ pos = terminator_char.start() if terminator_char else posMax
+
+ if pos == state.pos:
+ return False
+
+ if not silent:
+ state.pending += state.src[state.pos : pos]
+
+ state.pos = pos
+
+ return True
diff --git a/Scripts/Lib/site-packages/markdown_it/token.py b/Scripts/Lib/site-packages/markdown_it/token.py
new file mode 100644
index 0000000..d6d0b45
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/token.py
@@ -0,0 +1,178 @@
+from __future__ import annotations
+
+from collections.abc import Callable, MutableMapping
+import dataclasses as dc
+from typing import Any, Literal
+import warnings
+
+
+def convert_attrs(value: Any) -> Any:
+ """Convert Token.attrs set as ``None`` or ``[[key, value], ...]`` to a dict.
+
+ This improves compatibility with upstream markdown-it.
+ """
+ if not value:
+ return {}
+ if isinstance(value, list):
+ return dict(value)
+ return value
+
+
+@dc.dataclass(slots=True)
+class Token:
+ type: str
+ """Type of the token (string, e.g. "paragraph_open")"""
+
+ tag: str
+ """HTML tag name, e.g. 'p'"""
+
+ nesting: Literal[-1, 0, 1]
+ """Level change (number in {-1, 0, 1} set), where:
+ - `1` means the tag is opening
+ - `0` means the tag is self-closing
+ - `-1` means the tag is closing
+ """
+
+ attrs: dict[str, str | int | float] = dc.field(default_factory=dict)
+ """HTML attributes.
+ Note this differs from the upstream "list of lists" format,
+ although than an instance can still be initialised with this format.
+ """
+
+ map: list[int] | None = None
+ """Source map info. Format: `[ line_begin, line_end ]`"""
+
+ level: int = 0
+ """Nesting level, the same as `state.level`"""
+
+ children: list[Token] | None = None
+ """Array of child nodes (inline and img tokens)."""
+
+ content: str = ""
+ """Inner content, in the case of a self-closing tag (code, html, fence, etc.),"""
+
+ markup: str = ""
+ """'*' or '_' for emphasis, fence string for fence, etc."""
+
+ info: str = ""
+ """Additional information:
+ - Info string for "fence" tokens
+ - The value "auto" for autolink "link_open" and "link_close" tokens
+ - The string value of the item marker for ordered-list "list_item_open" tokens
+ """
+
+ meta: dict[Any, Any] = dc.field(default_factory=dict)
+ """A place for plugins to store any arbitrary data"""
+
+ block: bool = False
+ """True for block-level tokens, false for inline tokens.
+ Used in renderer to calculate line breaks
+ """
+
+ hidden: bool = False
+ """If true, ignore this element when rendering.
+ Used for tight lists to hide paragraphs.
+ """
+
+ def __post_init__(self) -> None:
+ self.attrs = convert_attrs(self.attrs)
+
+ def attrIndex(self, name: str) -> int:
+ warnings.warn( # noqa: B028
+ "Token.attrIndex should not be used, since Token.attrs is a dictionary",
+ UserWarning,
+ )
+ if name not in self.attrs:
+ return -1
+ return list(self.attrs.keys()).index(name)
+
+ def attrItems(self) -> list[tuple[str, str | int | float]]:
+ """Get (key, value) list of attrs."""
+ return list(self.attrs.items())
+
+ def attrPush(self, attrData: tuple[str, str | int | float]) -> None:
+ """Add `[ name, value ]` attribute to list. Init attrs if necessary."""
+ name, value = attrData
+ self.attrSet(name, value)
+
+ def attrSet(self, name: str, value: str | int | float) -> None:
+ """Set `name` attribute to `value`. Override old value if exists."""
+ self.attrs[name] = value
+
+ def attrGet(self, name: str) -> None | str | int | float:
+ """Get the value of attribute `name`, or null if it does not exist."""
+ return self.attrs.get(name, None)
+
+ def attrJoin(self, name: str, value: str) -> None:
+ """Join value to existing attribute via space.
+ Or create new attribute if not exists.
+ Useful to operate with token classes.
+ """
+ if name in self.attrs:
+ current = self.attrs[name]
+ if not isinstance(current, str):
+ raise TypeError(
+ f"existing attr 'name' is not a str: {self.attrs[name]}"
+ )
+ self.attrs[name] = f"{current} {value}"
+ else:
+ self.attrs[name] = value
+
+ def copy(self, **changes: Any) -> Token:
+ """Return a shallow copy of the instance."""
+ return dc.replace(self, **changes)
+
+ def as_dict(
+ self,
+ *,
+ children: bool = True,
+ as_upstream: bool = True,
+ meta_serializer: Callable[[dict[Any, Any]], Any] | None = None,
+ filter: Callable[[str, Any], bool] | None = None,
+ dict_factory: Callable[..., MutableMapping[str, Any]] = dict,
+ ) -> MutableMapping[str, Any]:
+ """Return the token as a dictionary.
+
+ :param children: Also convert children to dicts
+ :param as_upstream: Ensure the output dictionary is equal to that created by markdown-it
+ For example, attrs are converted to null or lists
+ :param meta_serializer: hook for serializing ``Token.meta``
+ :param filter: A callable whose return code determines whether an
+ attribute or element is included (``True``) or dropped (``False``).
+ Is called with the (key, value) pair.
+ :param dict_factory: A callable to produce dictionaries from.
+ For example, to produce ordered dictionaries instead of normal Python
+ dictionaries, pass in ``collections.OrderedDict``.
+
+ """
+ mapping = dict_factory((f.name, getattr(self, f.name)) for f in dc.fields(self))
+ if filter:
+ mapping = dict_factory((k, v) for k, v in mapping.items() if filter(k, v))
+ if as_upstream and "attrs" in mapping:
+ mapping["attrs"] = (
+ None
+ if not mapping["attrs"]
+ else [[k, v] for k, v in mapping["attrs"].items()]
+ )
+ if meta_serializer and "meta" in mapping:
+ mapping["meta"] = meta_serializer(mapping["meta"])
+ if children and mapping.get("children", None):
+ mapping["children"] = [
+ child.as_dict(
+ children=children,
+ filter=filter,
+ dict_factory=dict_factory,
+ as_upstream=as_upstream,
+ meta_serializer=meta_serializer,
+ )
+ for child in mapping["children"]
+ ]
+ return mapping
+
+ @classmethod
+ def from_dict(cls, dct: MutableMapping[str, Any]) -> Token:
+ """Convert a dict to a Token."""
+ token = cls(**dct)
+ if token.children:
+ token.children = [cls.from_dict(c) for c in token.children] # type: ignore[arg-type]
+ return token
diff --git a/Scripts/Lib/site-packages/markdown_it/tree.py b/Scripts/Lib/site-packages/markdown_it/tree.py
new file mode 100644
index 0000000..5369157
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/tree.py
@@ -0,0 +1,333 @@
+"""A tree representation of a linear markdown-it token stream.
+
+This module is not part of upstream JavaScript markdown-it.
+"""
+
+from __future__ import annotations
+
+from collections.abc import Generator, Sequence
+import textwrap
+from typing import Any, NamedTuple, TypeVar, overload
+
+from .token import Token
+
+
+class _NesterTokens(NamedTuple):
+ opening: Token
+ closing: Token
+
+
+_NodeType = TypeVar("_NodeType", bound="SyntaxTreeNode")
+
+
+class SyntaxTreeNode:
+ """A Markdown syntax tree node.
+
+ A class that can be used to construct a tree representation of a linear
+ `markdown-it-py` token stream.
+
+ Each node in the tree represents either:
+ - root of the Markdown document
+ - a single unnested `Token`
+ - a `Token` "_open" and "_close" token pair, and the tokens nested in
+ between
+ """
+
+ def __init__(
+ self, tokens: Sequence[Token] = (), *, create_root: bool = True
+ ) -> None:
+ """Initialize a `SyntaxTreeNode` from a token stream.
+
+ If `create_root` is True, create a root node for the document.
+ """
+ # Only nodes representing an unnested token have self.token
+ self.token: Token | None = None
+
+ # Only containers have nester tokens
+ self.nester_tokens: _NesterTokens | None = None
+
+ # Root node does not have self.parent
+ self._parent: Any = None
+
+ # Empty list unless a non-empty container, or unnested token that has
+ # children (i.e. inline or img)
+ self._children: list[Any] = []
+
+ if create_root:
+ self._set_children_from_tokens(tokens)
+ return
+
+ if not tokens:
+ raise ValueError(
+ "Can only create root from empty token sequence."
+ " Set `create_root=True`."
+ )
+ elif len(tokens) == 1:
+ inline_token = tokens[0]
+ if inline_token.nesting:
+ raise ValueError(
+ "Unequal nesting level at the start and end of token stream."
+ )
+ self.token = inline_token
+ if inline_token.children:
+ self._set_children_from_tokens(inline_token.children)
+ else:
+ self.nester_tokens = _NesterTokens(tokens[0], tokens[-1])
+ self._set_children_from_tokens(tokens[1:-1])
+
+ def __repr__(self) -> str:
+ return f"{type(self).__name__}({self.type})"
+
+ @overload
+ def __getitem__(self: _NodeType, item: int) -> _NodeType: ...
+
+ @overload
+ def __getitem__(self: _NodeType, item: slice) -> list[_NodeType]: ...
+
+ def __getitem__(self: _NodeType, item: int | slice) -> _NodeType | list[_NodeType]:
+ return self.children[item]
+
+ def to_tokens(self: _NodeType) -> list[Token]:
+ """Recover the linear token stream."""
+
+ def recursive_collect_tokens(node: _NodeType, token_list: list[Token]) -> None:
+ if node.type == "root":
+ for child in node.children:
+ recursive_collect_tokens(child, token_list)
+ elif node.token:
+ token_list.append(node.token)
+ else:
+ assert node.nester_tokens
+ token_list.append(node.nester_tokens.opening)
+ for child in node.children:
+ recursive_collect_tokens(child, token_list)
+ token_list.append(node.nester_tokens.closing)
+
+ tokens: list[Token] = []
+ recursive_collect_tokens(self, tokens)
+ return tokens
+
+ @property
+ def children(self: _NodeType) -> list[_NodeType]:
+ return self._children
+
+ @children.setter
+ def children(self: _NodeType, value: list[_NodeType]) -> None:
+ self._children = value
+
+ @property
+ def parent(self: _NodeType) -> _NodeType | None:
+ return self._parent # type: ignore
+
+ @parent.setter
+ def parent(self: _NodeType, value: _NodeType | None) -> None:
+ self._parent = value
+
+ @property
+ def is_root(self) -> bool:
+ """Is the node a special root node?"""
+ return not (self.token or self.nester_tokens)
+
+ @property
+ def is_nested(self) -> bool:
+ """Is this node nested?.
+
+ Returns `True` if the node represents a `Token` pair and tokens in the
+ sequence between them, where `Token.nesting` of the first `Token` in
+ the pair is 1 and nesting of the other `Token` is -1.
+ """
+ return bool(self.nester_tokens)
+
+ @property
+ def siblings(self: _NodeType) -> Sequence[_NodeType]:
+ """Get siblings of the node.
+
+ Gets the whole group of siblings, including self.
+ """
+ if not self.parent:
+ return [self]
+ return self.parent.children
+
+ @property
+ def type(self) -> str:
+ """Get a string type of the represented syntax.
+
+ - "root" for root nodes
+ - `Token.type` if the node represents an unnested token
+ - `Token.type` of the opening token, with "_open" suffix stripped, if
+ the node represents a nester token pair
+ """
+ if self.is_root:
+ return "root"
+ if self.token:
+ return self.token.type
+ assert self.nester_tokens
+ return self.nester_tokens.opening.type.removesuffix("_open")
+
+ @property
+ def next_sibling(self: _NodeType) -> _NodeType | None:
+ """Get the next node in the sequence of siblings.
+
+ Returns `None` if this is the last sibling.
+ """
+ self_index = self.siblings.index(self)
+ if self_index + 1 < len(self.siblings):
+ return self.siblings[self_index + 1]
+ return None
+
+ @property
+ def previous_sibling(self: _NodeType) -> _NodeType | None:
+ """Get the previous node in the sequence of siblings.
+
+ Returns `None` if this is the first sibling.
+ """
+ self_index = self.siblings.index(self)
+ if self_index - 1 >= 0:
+ return self.siblings[self_index - 1]
+ return None
+
+ def _add_child(
+ self,
+ tokens: Sequence[Token],
+ ) -> None:
+ """Make a child node for `self`."""
+ child = type(self)(tokens, create_root=False)
+ child.parent = self
+ self.children.append(child)
+
+ def _set_children_from_tokens(self, tokens: Sequence[Token]) -> None:
+ """Convert the token stream to a tree structure and set the resulting
+ nodes as children of `self`."""
+ reversed_tokens = list(reversed(tokens))
+ while reversed_tokens:
+ token = reversed_tokens.pop()
+
+ if not token.nesting:
+ self._add_child([token])
+ continue
+ if token.nesting != 1:
+ raise ValueError("Invalid token nesting")
+
+ nested_tokens = [token]
+ nesting = 1
+ while reversed_tokens and nesting:
+ token = reversed_tokens.pop()
+ nested_tokens.append(token)
+ nesting += token.nesting
+ if nesting:
+ raise ValueError(f"unclosed tokens starting {nested_tokens[0]}")
+
+ self._add_child(nested_tokens)
+
+ def pretty(
+ self, *, indent: int = 2, show_text: bool = False, _current: int = 0
+ ) -> str:
+ """Create an XML style string of the tree."""
+ prefix = " " * _current
+ text = prefix + f"<{self.type}"
+ if not self.is_root and self.attrs:
+ text += " " + " ".join(f"{k}={v!r}" for k, v in self.attrs.items())
+ text += ">"
+ if (
+ show_text
+ and not self.is_root
+ and self.type in ("text", "text_special")
+ and self.content
+ ):
+ text += "\n" + textwrap.indent(self.content, prefix + " " * indent)
+ for child in self.children:
+ text += "\n" + child.pretty(
+ indent=indent, show_text=show_text, _current=_current + indent
+ )
+ return text
+
+ def walk(
+ self: _NodeType, *, include_self: bool = True
+ ) -> Generator[_NodeType, None, None]:
+ """Recursively yield all descendant nodes in the tree starting at self.
+
+ The order mimics the order of the underlying linear token
+ stream (i.e. depth first).
+ """
+ if include_self:
+ yield self
+ for child in self.children:
+ yield from child.walk(include_self=True)
+
+ # NOTE:
+ # The values of the properties defined below directly map to properties
+ # of the underlying `Token`s. A root node does not translate to a `Token`
+ # object, so calling these property getters on a root node will raise an
+ # `AttributeError`.
+ #
+ # There is no mapping for `Token.nesting` because the `is_nested` property
+ # provides that data, and can be called on any node type, including root.
+
+ def _attribute_token(self) -> Token:
+ """Return the `Token` that is used as the data source for the
+ properties defined below."""
+ if self.token:
+ return self.token
+ if self.nester_tokens:
+ return self.nester_tokens.opening
+ raise AttributeError("Root node does not have the accessed attribute")
+
+ @property
+ def tag(self) -> str:
+ """html tag name, e.g. \"p\" """
+ return self._attribute_token().tag
+
+ @property
+ def attrs(self) -> dict[str, str | int | float]:
+ """Html attributes."""
+ return self._attribute_token().attrs
+
+ def attrGet(self, name: str) -> None | str | int | float:
+ """Get the value of attribute `name`, or null if it does not exist."""
+ return self._attribute_token().attrGet(name)
+
+ @property
+ def map(self) -> tuple[int, int] | None:
+ """Source map info. Format: `tuple[ line_begin, line_end ]`"""
+ map_ = self._attribute_token().map
+ if map_:
+ # Type ignore because `Token`s attribute types are not perfect
+ return tuple(map_) # type: ignore
+ return None
+
+ @property
+ def level(self) -> int:
+ """nesting level, the same as `state.level`"""
+ return self._attribute_token().level
+
+ @property
+ def content(self) -> str:
+ """In a case of self-closing tag (code, html, fence, etc.), it
+ has contents of this tag."""
+ return self._attribute_token().content
+
+ @property
+ def markup(self) -> str:
+ """'*' or '_' for emphasis, fence string for fence, etc."""
+ return self._attribute_token().markup
+
+ @property
+ def info(self) -> str:
+ """fence infostring"""
+ return self._attribute_token().info
+
+ @property
+ def meta(self) -> dict[Any, Any]:
+ """A place for plugins to store an arbitrary data."""
+ return self._attribute_token().meta
+
+ @property
+ def block(self) -> bool:
+ """True for block-level tokens, false for inline tokens."""
+ return self._attribute_token().block
+
+ @property
+ def hidden(self) -> bool:
+ """If it's true, ignore this element when rendering.
+ Used for tight lists to hide paragraphs."""
+ return self._attribute_token().hidden
diff --git a/Scripts/Lib/site-packages/markdown_it/utils.py b/Scripts/Lib/site-packages/markdown_it/utils.py
new file mode 100644
index 0000000..2571a15
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it/utils.py
@@ -0,0 +1,186 @@
+from __future__ import annotations
+
+from collections.abc import Callable, Iterable, MutableMapping
+from collections.abc import MutableMapping as MutableMappingABC
+from pathlib import Path
+from typing import TYPE_CHECKING, Any, TypedDict, cast
+
+if TYPE_CHECKING:
+ from typing_extensions import NotRequired
+
+
+EnvType = MutableMapping[str, Any] # note: could use TypeAlias in python 3.10
+"""Type for the environment sandbox used in parsing and rendering,
+which stores mutable variables for use by plugins and rules.
+"""
+
+
+class OptionsType(TypedDict):
+ """Options for parsing."""
+
+ maxNesting: int
+ """Internal protection, recursion limit."""
+ html: bool
+ """Enable HTML tags in source."""
+ linkify: bool
+ """Enable autoconversion of URL-like texts to links."""
+ typographer: bool
+ """Enable smartquotes and replacements."""
+ quotes: str
+ """Quote characters."""
+ xhtmlOut: bool
+ """Use '/' to close single tags (
+Requires-Python: >=3.10
+Description-Content-Type: text/markdown
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: MIT License
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3.10
+Classifier: Programming Language :: Python :: 3.11
+Classifier: Programming Language :: Python :: 3.12
+Classifier: Programming Language :: Python :: 3.13
+Classifier: Programming Language :: Python :: Implementation :: CPython
+Classifier: Programming Language :: Python :: Implementation :: PyPy
+Classifier: Topic :: Software Development :: Libraries :: Python Modules
+Classifier: Topic :: Text Processing :: Markup
+License-File: LICENSE
+License-File: LICENSE.markdown-it
+Requires-Dist: mdurl~=0.1
+Requires-Dist: psutil ; extra == "benchmarking"
+Requires-Dist: pytest ; extra == "benchmarking"
+Requires-Dist: pytest-benchmark ; extra == "benchmarking"
+Requires-Dist: commonmark~=0.9 ; extra == "compare"
+Requires-Dist: markdown~=3.4 ; extra == "compare"
+Requires-Dist: mistletoe~=1.0 ; extra == "compare"
+Requires-Dist: mistune~=3.0 ; extra == "compare"
+Requires-Dist: panflute~=2.3 ; extra == "compare"
+Requires-Dist: markdown-it-pyrs ; extra == "compare"
+Requires-Dist: linkify-it-py>=1,<3 ; extra == "linkify"
+Requires-Dist: mdit-py-plugins>=0.5.0 ; extra == "plugins"
+Requires-Dist: gprof2dot ; extra == "profiling"
+Requires-Dist: mdit-py-plugins>=0.5.0 ; extra == "rtd"
+Requires-Dist: myst-parser ; extra == "rtd"
+Requires-Dist: pyyaml ; extra == "rtd"
+Requires-Dist: sphinx ; extra == "rtd"
+Requires-Dist: sphinx-copybutton ; extra == "rtd"
+Requires-Dist: sphinx-design ; extra == "rtd"
+Requires-Dist: sphinx-book-theme~=1.0 ; extra == "rtd"
+Requires-Dist: jupyter_sphinx ; extra == "rtd"
+Requires-Dist: ipykernel ; extra == "rtd"
+Requires-Dist: coverage ; extra == "testing"
+Requires-Dist: pytest ; extra == "testing"
+Requires-Dist: pytest-cov ; extra == "testing"
+Requires-Dist: pytest-regressions ; extra == "testing"
+Requires-Dist: requests ; extra == "testing"
+Project-URL: Documentation, https://markdown-it-py.readthedocs.io
+Project-URL: Homepage, https://github.com/executablebooks/markdown-it-py
+Provides-Extra: benchmarking
+Provides-Extra: compare
+Provides-Extra: linkify
+Provides-Extra: plugins
+Provides-Extra: profiling
+Provides-Extra: rtd
+Provides-Extra: testing
+
+# markdown-it-py
+
+[![Github-CI][github-ci]][github-link]
+[![Coverage Status][codecov-badge]][codecov-link]
+[![PyPI][pypi-badge]][pypi-link]
+[![Conda][conda-badge]][conda-link]
+[![PyPI - Downloads][install-badge]][install-link]
+
+
+
+
+> Markdown parser done right.
+
+- Follows the __[CommonMark spec](http://spec.commonmark.org/)__ for baseline parsing
+- Configurable syntax: you can add new rules and even replace existing ones.
+- Pluggable: Adds syntax extensions to extend the parser (see the [plugin list][md-plugins]).
+- High speed (see our [benchmarking tests][md-performance])
+- Easy to configure for [security][md-security]
+- Member of [Google's Assured Open Source Software](https://cloud.google.com/assured-open-source-software/docs/supported-packages)
+
+This is a Python port of [markdown-it], and some of its associated plugins.
+For more details see: .
+
+For details on [markdown-it] itself, see:
+
+- The __[Live demo](https://markdown-it.github.io)__
+- [The markdown-it README][markdown-it-readme]
+
+**See also:** [markdown-it-pyrs](https://github.com/chrisjsewell/markdown-it-pyrs) for an experimental Rust binding,
+for even more speed!
+
+## Installation
+
+### PIP
+
+```bash
+pip install markdown-it-py[plugins]
+```
+
+or with extras
+
+```bash
+pip install markdown-it-py[linkify,plugins]
+```
+
+### Conda
+
+```bash
+conda install -c conda-forge markdown-it-py
+```
+
+or with extras
+
+```bash
+conda install -c conda-forge markdown-it-py linkify-it-py mdit-py-plugins
+```
+
+## Usage
+
+### Python API Usage
+
+Render markdown to HTML with markdown-it-py and a custom configuration
+with and without plugins and features:
+
+```python
+from markdown_it import MarkdownIt
+from mdit_py_plugins.front_matter import front_matter_plugin
+from mdit_py_plugins.footnote import footnote_plugin
+
+md = (
+ MarkdownIt('commonmark', {'breaks':True,'html':True})
+ .use(front_matter_plugin)
+ .use(footnote_plugin)
+ .enable('table')
+)
+text = ("""
+---
+a: 1
+---
+
+a | b
+- | -
+1 | 2
+
+A footnote [^1]
+
+[^1]: some details
+""")
+tokens = md.parse(text)
+html_text = md.render(text)
+
+## To export the html to a file, uncomment the lines below:
+# from pathlib import Path
+# Path("output.html").write_text(html_text)
+```
+
+### Command-line Usage
+
+Render markdown to HTML with markdown-it-py from the
+command-line:
+
+```console
+usage: markdown-it [-h] [-v] [filenames [filenames ...]]
+
+Parse one or more markdown files, convert each to HTML, and print to stdout
+
+positional arguments:
+ filenames specify an optional list of files to convert
+
+optional arguments:
+ -h, --help show this help message and exit
+ -v, --version show program's version number and exit
+
+Interactive:
+
+ $ markdown-it
+ markdown-it-py [version 0.0.0] (interactive)
+ Type Ctrl-D to complete input, or Ctrl-C to exit.
+ >>> # Example
+ ... > markdown *input*
+ ...
+ Example
+
+ markdown input
+
+
+Batch:
+
+ $ markdown-it README.md README.footer.md > index.html
+
+```
+
+## References / Thanks
+
+Big thanks to the authors of [markdown-it]:
+
+- Alex Kocharin [github/rlidwka](https://github.com/rlidwka)
+- Vitaly Puzrin [github/puzrin](https://github.com/puzrin)
+
+Also [John MacFarlane](https://github.com/jgm) for his work on the CommonMark spec and reference implementations.
+
+[github-ci]: https://github.com/executablebooks/markdown-it-py/actions/workflows/tests.yml/badge.svg?branch=master
+[github-link]: https://github.com/executablebooks/markdown-it-py
+[pypi-badge]: https://img.shields.io/pypi/v/markdown-it-py.svg
+[pypi-link]: https://pypi.org/project/markdown-it-py
+[conda-badge]: https://anaconda.org/conda-forge/markdown-it-py/badges/version.svg
+[conda-link]: https://anaconda.org/conda-forge/markdown-it-py
+[codecov-badge]: https://codecov.io/gh/executablebooks/markdown-it-py/branch/master/graph/badge.svg
+[codecov-link]: https://codecov.io/gh/executablebooks/markdown-it-py
+[install-badge]: https://img.shields.io/pypi/dw/markdown-it-py?label=pypi%20installs
+[install-link]: https://pypistats.org/packages/markdown-it-py
+
+[CommonMark spec]: http://spec.commonmark.org/
+[markdown-it]: https://github.com/markdown-it/markdown-it
+[markdown-it-readme]: https://github.com/markdown-it/markdown-it/blob/master/README.md
+[md-security]: https://markdown-it-py.readthedocs.io/en/latest/security.html
+[md-performance]: https://markdown-it-py.readthedocs.io/en/latest/performance.html
+[md-plugins]: https://markdown-it-py.readthedocs.io/en/latest/plugins.html
+
diff --git a/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/RECORD b/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/RECORD
new file mode 100644
index 0000000..2e54ade
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/RECORD
@@ -0,0 +1,142 @@
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+markdown_it_py-4.0.0.dist-info/licenses/LICENSE,sha256=SiJg1uLND1oVGh6G2_59PtVSseK-q_mUHBulxJy85IQ,1078
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diff --git a/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/WHEEL b/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/WHEEL
new file mode 100644
index 0000000..d8b9936
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/WHEEL
@@ -0,0 +1,4 @@
+Wheel-Version: 1.0
+Generator: flit 3.12.0
+Root-Is-Purelib: true
+Tag: py3-none-any
diff --git a/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/entry_points.txt b/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/entry_points.txt
new file mode 100644
index 0000000..7d829cd
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/entry_points.txt
@@ -0,0 +1,3 @@
+[console_scripts]
+markdown-it=markdown_it.cli.parse:main
+
diff --git a/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/licenses/LICENSE b/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/licenses/LICENSE
new file mode 100644
index 0000000..582ddf5
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/licenses/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 ExecutableBookProject
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/licenses/LICENSE.markdown-it b/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/licenses/LICENSE.markdown-it
new file mode 100644
index 0000000..7ffa058
--- /dev/null
+++ b/Scripts/Lib/site-packages/markdown_it_py-4.0.0.dist-info/licenses/LICENSE.markdown-it
@@ -0,0 +1,22 @@
+Copyright (c) 2014 Vitaly Puzrin, Alex Kocharin.
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
diff --git a/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/INSTALLER b/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/INSTALLER
new file mode 100644
index 0000000..a1b589e
--- /dev/null
+++ b/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/INSTALLER
@@ -0,0 +1 @@
+pip
diff --git a/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/LICENSE b/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/LICENSE
new file mode 100644
index 0000000..2a920c5
--- /dev/null
+++ b/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/LICENSE
@@ -0,0 +1,46 @@
+Copyright (c) 2015 Vitaly Puzrin, Alex Kocharin.
+Copyright (c) 2021 Taneli Hukkinen
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+--------------------------------------------------------------------------------
+
+.parse() is based on Joyent's node.js `url` code:
+
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
diff --git a/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/METADATA b/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/METADATA
new file mode 100644
index 0000000..b4670e8
--- /dev/null
+++ b/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/METADATA
@@ -0,0 +1,32 @@
+Metadata-Version: 2.1
+Name: mdurl
+Version: 0.1.2
+Summary: Markdown URL utilities
+Keywords: markdown,commonmark
+Author-email: Taneli Hukkinen
+Requires-Python: >=3.7
+Description-Content-Type: text/markdown
+Classifier: License :: OSI Approved :: MIT License
+Classifier: Operating System :: MacOS
+Classifier: Operating System :: Microsoft :: Windows
+Classifier: Operating System :: POSIX :: Linux
+Classifier: Programming Language :: Python :: 3 :: Only
+Classifier: Programming Language :: Python :: 3.7
+Classifier: Programming Language :: Python :: 3.8
+Classifier: Programming Language :: Python :: 3.9
+Classifier: Programming Language :: Python :: 3.10
+Classifier: Programming Language :: Python :: Implementation :: CPython
+Classifier: Programming Language :: Python :: Implementation :: PyPy
+Classifier: Topic :: Software Development :: Libraries :: Python Modules
+Classifier: Typing :: Typed
+Project-URL: Homepage, https://github.com/executablebooks/mdurl
+
+# mdurl
+
+[](https://github.com/executablebooks/mdurl/actions?query=workflow%3ATests+branch%3Amaster+event%3Apush)
+[](https://codecov.io/gh/executablebooks/mdurl)
+[](https://pypi.org/project/mdurl)
+
+This is a Python port of the JavaScript [mdurl](https://www.npmjs.com/package/mdurl) package.
+See the [upstream README.md file](https://github.com/markdown-it/mdurl/blob/master/README.md) for API documentation.
+
diff --git a/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/RECORD b/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/RECORD
new file mode 100644
index 0000000..3bd37c4
--- /dev/null
+++ b/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/RECORD
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+mdurl-0.1.2.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4
+mdurl-0.1.2.dist-info/LICENSE,sha256=fGBd9uKGZ6lgMRjpgnT2SknOPu0NJvzM6VNKNF4O-VU,2338
+mdurl-0.1.2.dist-info/METADATA,sha256=tTsp1I9Jk2cFP9o8gefOJ9JVg4Drv4PmYCOwLrfd0l0,1638
+mdurl-0.1.2.dist-info/RECORD,,
+mdurl-0.1.2.dist-info/WHEEL,sha256=4TfKIB_xu-04bc2iKz6_zFt-gEFEEDU_31HGhqzOCE8,81
+mdurl/__init__.py,sha256=1vpE89NyXniIRZNC_4f6BPm3Ub4bPntjfyyhLRR7opU,547
+mdurl/__pycache__/__init__.cpython-310.pyc,,
+mdurl/__pycache__/_decode.cpython-310.pyc,,
+mdurl/__pycache__/_encode.cpython-310.pyc,,
+mdurl/__pycache__/_format.cpython-310.pyc,,
+mdurl/__pycache__/_parse.cpython-310.pyc,,
+mdurl/__pycache__/_url.cpython-310.pyc,,
+mdurl/_decode.py,sha256=3Q_gDQqU__TvDbu7x-b9LjbVl4QWy5g_qFwljcuvN_Y,3004
+mdurl/_encode.py,sha256=goJLUFt1h4rVZNqqm9t15Nw2W-bFXYQEy3aR01ImWvs,2602
+mdurl/_format.py,sha256=xZct0mdePXA0H3kAqxjGtlB5O86G35DAYMGkA44CmB4,626
+mdurl/_parse.py,sha256=ezZSkM2_4NQ2Zx047sEdcJG7NYQRFHiZK7Y8INHFzwY,11374
+mdurl/_url.py,sha256=5kQnRQN2A_G4svLnRzZcG0bfoD9AbBrYDXousDHZ3z0,284
+mdurl/py.typed,sha256=8PjyZ1aVoQpRVvt71muvuq5qE-jTFZkK-GLHkhdebmc,26
diff --git a/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/WHEEL b/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/WHEEL
new file mode 100644
index 0000000..668ba4d
--- /dev/null
+++ b/Scripts/Lib/site-packages/mdurl-0.1.2.dist-info/WHEEL
@@ -0,0 +1,4 @@
+Wheel-Version: 1.0
+Generator: flit 3.7.1
+Root-Is-Purelib: true
+Tag: py3-none-any
diff --git a/Scripts/Lib/site-packages/mdurl/__init__.py b/Scripts/Lib/site-packages/mdurl/__init__.py
new file mode 100644
index 0000000..cdbb640
--- /dev/null
+++ b/Scripts/Lib/site-packages/mdurl/__init__.py
@@ -0,0 +1,18 @@
+__all__ = (
+ "decode",
+ "DECODE_DEFAULT_CHARS",
+ "DECODE_COMPONENT_CHARS",
+ "encode",
+ "ENCODE_DEFAULT_CHARS",
+ "ENCODE_COMPONENT_CHARS",
+ "format",
+ "parse",
+ "URL",
+)
+__version__ = "0.1.2" # DO NOT EDIT THIS LINE MANUALLY. LET bump2version UTILITY DO IT
+
+from mdurl._decode import DECODE_COMPONENT_CHARS, DECODE_DEFAULT_CHARS, decode
+from mdurl._encode import ENCODE_COMPONENT_CHARS, ENCODE_DEFAULT_CHARS, encode
+from mdurl._format import format
+from mdurl._parse import url_parse as parse
+from mdurl._url import URL
diff --git a/Scripts/Lib/site-packages/mdurl/__pycache__/__init__.cpython-310.pyc b/Scripts/Lib/site-packages/mdurl/__pycache__/__init__.cpython-310.pyc
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new file mode 100644
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diff --git a/Scripts/Lib/site-packages/mdurl/__pycache__/_url.cpython-310.pyc b/Scripts/Lib/site-packages/mdurl/__pycache__/_url.cpython-310.pyc
new file mode 100644
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diff --git a/Scripts/Lib/site-packages/mdurl/_decode.py b/Scripts/Lib/site-packages/mdurl/_decode.py
new file mode 100644
index 0000000..9b50a2d
--- /dev/null
+++ b/Scripts/Lib/site-packages/mdurl/_decode.py
@@ -0,0 +1,104 @@
+from __future__ import annotations
+
+from collections.abc import Sequence
+import functools
+import re
+
+DECODE_DEFAULT_CHARS = ";/?:@&=+$,#"
+DECODE_COMPONENT_CHARS = ""
+
+decode_cache: dict[str, list[str]] = {}
+
+
+def get_decode_cache(exclude: str) -> Sequence[str]:
+ if exclude in decode_cache:
+ return decode_cache[exclude]
+
+ cache: list[str] = []
+ decode_cache[exclude] = cache
+
+ for i in range(128):
+ ch = chr(i)
+ cache.append(ch)
+
+ for i in range(len(exclude)):
+ ch_code = ord(exclude[i])
+ cache[ch_code] = "%" + ("0" + hex(ch_code)[2:].upper())[-2:]
+
+ return cache
+
+
+# Decode percent-encoded string.
+#
+def decode(string: str, exclude: str = DECODE_DEFAULT_CHARS) -> str:
+ cache = get_decode_cache(exclude)
+ repl_func = functools.partial(repl_func_with_cache, cache=cache)
+ return re.sub(r"(%[a-f0-9]{2})+", repl_func, string, flags=re.IGNORECASE)
+
+
+def repl_func_with_cache(match: re.Match, cache: Sequence[str]) -> str:
+ seq = match.group()
+ result = ""
+
+ i = 0
+ l = len(seq) # noqa: E741
+ while i < l:
+ b1 = int(seq[i + 1 : i + 3], 16)
+
+ if b1 < 0x80:
+ result += cache[b1]
+ i += 3 # emulate JS for loop statement3
+ continue
+
+ if (b1 & 0xE0) == 0xC0 and (i + 3 < l):
+ # 110xxxxx 10xxxxxx
+ b2 = int(seq[i + 4 : i + 6], 16)
+
+ if (b2 & 0xC0) == 0x80:
+ all_bytes = bytes((b1, b2))
+ try:
+ result += all_bytes.decode()
+ except UnicodeDecodeError:
+ result += "\ufffd" * 2
+
+ i += 3
+ i += 3 # emulate JS for loop statement3
+ continue
+
+ if (b1 & 0xF0) == 0xE0 and (i + 6 < l):
+ # 1110xxxx 10xxxxxx 10xxxxxx
+ b2 = int(seq[i + 4 : i + 6], 16)
+ b3 = int(seq[i + 7 : i + 9], 16)
+
+ if (b2 & 0xC0) == 0x80 and (b3 & 0xC0) == 0x80:
+ all_bytes = bytes((b1, b2, b3))
+ try:
+ result += all_bytes.decode()
+ except UnicodeDecodeError:
+ result += "\ufffd" * 3
+
+ i += 6
+ i += 3 # emulate JS for loop statement3
+ continue
+
+ if (b1 & 0xF8) == 0xF0 and (i + 9 < l):
+ # 111110xx 10xxxxxx 10xxxxxx 10xxxxxx
+ b2 = int(seq[i + 4 : i + 6], 16)
+ b3 = int(seq[i + 7 : i + 9], 16)
+ b4 = int(seq[i + 10 : i + 12], 16)
+
+ if (b2 & 0xC0) == 0x80 and (b3 & 0xC0) == 0x80 and (b4 & 0xC0) == 0x80:
+ all_bytes = bytes((b1, b2, b3, b4))
+ try:
+ result += all_bytes.decode()
+ except UnicodeDecodeError:
+ result += "\ufffd" * 4
+
+ i += 9
+ i += 3 # emulate JS for loop statement3
+ continue
+
+ result += "\ufffd"
+ i += 3 # emulate JS for loop statement3
+
+ return result
diff --git a/Scripts/Lib/site-packages/mdurl/_encode.py b/Scripts/Lib/site-packages/mdurl/_encode.py
new file mode 100644
index 0000000..bc2e5b9
--- /dev/null
+++ b/Scripts/Lib/site-packages/mdurl/_encode.py
@@ -0,0 +1,85 @@
+from __future__ import annotations
+
+from collections.abc import Sequence
+from string import ascii_letters, digits, hexdigits
+from urllib.parse import quote as encode_uri_component
+
+ASCII_LETTERS_AND_DIGITS = ascii_letters + digits
+
+ENCODE_DEFAULT_CHARS = ";/?:@&=+$,-_.!~*'()#"
+ENCODE_COMPONENT_CHARS = "-_.!~*'()"
+
+encode_cache: dict[str, list[str]] = {}
+
+
+# Create a lookup array where anything but characters in `chars` string
+# and alphanumeric chars is percent-encoded.
+def get_encode_cache(exclude: str) -> Sequence[str]:
+ if exclude in encode_cache:
+ return encode_cache[exclude]
+
+ cache: list[str] = []
+ encode_cache[exclude] = cache
+
+ for i in range(128):
+ ch = chr(i)
+
+ if ch in ASCII_LETTERS_AND_DIGITS:
+ # always allow unencoded alphanumeric characters
+ cache.append(ch)
+ else:
+ cache.append("%" + ("0" + hex(i)[2:].upper())[-2:])
+
+ for i in range(len(exclude)):
+ cache[ord(exclude[i])] = exclude[i]
+
+ return cache
+
+
+# Encode unsafe characters with percent-encoding, skipping already
+# encoded sequences.
+#
+# - string - string to encode
+# - exclude - list of characters to ignore (in addition to a-zA-Z0-9)
+# - keepEscaped - don't encode '%' in a correct escape sequence (default: true)
+def encode(
+ string: str, exclude: str = ENCODE_DEFAULT_CHARS, *, keep_escaped: bool = True
+) -> str:
+ result = ""
+
+ cache = get_encode_cache(exclude)
+
+ l = len(string) # noqa: E741
+ i = 0
+ while i < l:
+ code = ord(string[i])
+
+ # %
+ if keep_escaped and code == 0x25 and i + 2 < l:
+ if all(c in hexdigits for c in string[i + 1 : i + 3]):
+ result += string[i : i + 3]
+ i += 2
+ i += 1 # JS for loop statement3
+ continue
+
+ if code < 128:
+ result += cache[code]
+ i += 1 # JS for loop statement3
+ continue
+
+ if code >= 0xD800 and code <= 0xDFFF:
+ if code >= 0xD800 and code <= 0xDBFF and i + 1 < l:
+ next_code = ord(string[i + 1])
+ if next_code >= 0xDC00 and next_code <= 0xDFFF:
+ result += encode_uri_component(string[i] + string[i + 1])
+ i += 1
+ i += 1 # JS for loop statement3
+ continue
+ result += "%EF%BF%BD"
+ i += 1 # JS for loop statement3
+ continue
+
+ result += encode_uri_component(string[i])
+ i += 1 # JS for loop statement3
+
+ return result
diff --git a/Scripts/Lib/site-packages/mdurl/_format.py b/Scripts/Lib/site-packages/mdurl/_format.py
new file mode 100644
index 0000000..12524ca
--- /dev/null
+++ b/Scripts/Lib/site-packages/mdurl/_format.py
@@ -0,0 +1,27 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+ from mdurl._url import URL
+
+
+def format(url: URL) -> str: # noqa: A001
+ result = ""
+
+ result += url.protocol or ""
+ result += "//" if url.slashes else ""
+ result += url.auth + "@" if url.auth else ""
+
+ if url.hostname and ":" in url.hostname:
+ # ipv6 address
+ result += "[" + url.hostname + "]"
+ else:
+ result += url.hostname or ""
+
+ result += ":" + url.port if url.port else ""
+ result += url.pathname or ""
+ result += url.search or ""
+ result += url.hash or ""
+
+ return result
diff --git a/Scripts/Lib/site-packages/mdurl/_parse.py b/Scripts/Lib/site-packages/mdurl/_parse.py
new file mode 100644
index 0000000..ffeeac7
--- /dev/null
+++ b/Scripts/Lib/site-packages/mdurl/_parse.py
@@ -0,0 +1,304 @@
+# Copyright Joyent, Inc. and other Node contributors.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to permit
+# persons to whom the Software is furnished to do so, subject to the
+# following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+# NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+# USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+# Changes from joyent/node:
+#
+# 1. No leading slash in paths,
+# e.g. in `url.parse('http://foo?bar')` pathname is ``, not `/`
+#
+# 2. Backslashes are not replaced with slashes,
+# so `http:\\example.org\` is treated like a relative path
+#
+# 3. Trailing colon is treated like a part of the path,
+# i.e. in `http://example.org:foo` pathname is `:foo`
+#
+# 4. Nothing is URL-encoded in the resulting object,
+# (in joyent/node some chars in auth and paths are encoded)
+#
+# 5. `url.parse()` does not have `parseQueryString` argument
+#
+# 6. Removed extraneous result properties: `host`, `path`, `query`, etc.,
+# which can be constructed using other parts of the url.
+
+from __future__ import annotations
+
+from collections import defaultdict
+import re
+
+from mdurl._url import URL
+
+# Reference: RFC 3986, RFC 1808, RFC 2396
+
+# define these here so at least they only have to be
+# compiled once on the first module load.
+PROTOCOL_PATTERN = re.compile(r"^([a-z0-9.+-]+:)", flags=re.IGNORECASE)
+PORT_PATTERN = re.compile(r":[0-9]*$")
+
+# Special case for a simple path URL
+SIMPLE_PATH_PATTERN = re.compile(r"^(//?(?!/)[^?\s]*)(\?[^\s]*)?$")
+
+# RFC 2396: characters reserved for delimiting URLs.
+# We actually just auto-escape these.
+DELIMS = ("<", ">", '"', "`", " ", "\r", "\n", "\t")
+
+# RFC 2396: characters not allowed for various reasons.
+UNWISE = ("{", "}", "|", "\\", "^", "`") + DELIMS
+
+# Allowed by RFCs, but cause of XSS attacks. Always escape these.
+AUTO_ESCAPE = ("'",) + UNWISE
+# Characters that are never ever allowed in a hostname.
+# Note that any invalid chars are also handled, but these
+# are the ones that are *expected* to be seen, so we fast-path
+# them.
+NON_HOST_CHARS = ("%", "/", "?", ";", "#") + AUTO_ESCAPE
+HOST_ENDING_CHARS = ("/", "?", "#")
+HOSTNAME_MAX_LEN = 255
+HOSTNAME_PART_PATTERN = re.compile(r"^[+a-z0-9A-Z_-]{0,63}$")
+HOSTNAME_PART_START = re.compile(r"^([+a-z0-9A-Z_-]{0,63})(.*)$")
+# protocols that can allow "unsafe" and "unwise" chars.
+
+# protocols that never have a hostname.
+HOSTLESS_PROTOCOL = defaultdict(
+ bool,
+ {
+ "javascript": True,
+ "javascript:": True,
+ },
+)
+# protocols that always contain a // bit.
+SLASHED_PROTOCOL = defaultdict(
+ bool,
+ {
+ "http": True,
+ "https": True,
+ "ftp": True,
+ "gopher": True,
+ "file": True,
+ "http:": True,
+ "https:": True,
+ "ftp:": True,
+ "gopher:": True,
+ "file:": True,
+ },
+)
+
+
+class MutableURL:
+ def __init__(self) -> None:
+ self.protocol: str | None = None
+ self.slashes: bool = False
+ self.auth: str | None = None
+ self.port: str | None = None
+ self.hostname: str | None = None
+ self.hash: str | None = None
+ self.search: str | None = None
+ self.pathname: str | None = None
+
+ def parse(self, url: str, slashes_denote_host: bool) -> "MutableURL":
+ lower_proto = ""
+ slashes = False
+ rest = url
+
+ # trim before proceeding.
+ # This is to support parse stuff like " http://foo.com \n"
+ rest = rest.strip()
+
+ if not slashes_denote_host and len(url.split("#")) == 1:
+ # Try fast path regexp
+ simple_path = SIMPLE_PATH_PATTERN.match(rest)
+ if simple_path:
+ self.pathname = simple_path.group(1)
+ if simple_path.group(2):
+ self.search = simple_path.group(2)
+ return self
+
+ proto = ""
+ proto_match = PROTOCOL_PATTERN.match(rest)
+ if proto_match:
+ proto = proto_match.group()
+ lower_proto = proto.lower()
+ self.protocol = proto
+ rest = rest[len(proto) :]
+
+ # figure out if it's got a host
+ # user@server is *always* interpreted as a hostname, and url
+ # resolution will treat //foo/bar as host=foo,path=bar because that's
+ # how the browser resolves relative URLs.
+ if slashes_denote_host or proto or re.search(r"^//[^@/]+@[^@/]+", rest):
+ slashes = rest.startswith("//")
+ if slashes and not (proto and HOSTLESS_PROTOCOL[proto]):
+ rest = rest[2:]
+ self.slashes = True
+
+ if not HOSTLESS_PROTOCOL[proto] and (
+ slashes or (proto and not SLASHED_PROTOCOL[proto])
+ ):
+
+ # there's a hostname.
+ # the first instance of /, ?, ;, or # ends the host.
+ #
+ # If there is an @ in the hostname, then non-host chars *are* allowed
+ # to the left of the last @ sign, unless some host-ending character
+ # comes *before* the @-sign.
+ # URLs are obnoxious.
+ #
+ # ex:
+ # http://a@b@c/ => user:a@b host:c
+ # http://a@b?@c => user:a host:c path:/?@c
+
+ # v0.12 TODO(isaacs): This is not quite how Chrome does things.
+ # Review our test case against browsers more comprehensively.
+
+ # find the first instance of any hostEndingChars
+ host_end = -1
+ for i in range(len(HOST_ENDING_CHARS)):
+ hec = rest.find(HOST_ENDING_CHARS[i])
+ if hec != -1 and (host_end == -1 or hec < host_end):
+ host_end = hec
+
+ # at this point, either we have an explicit point where the
+ # auth portion cannot go past, or the last @ char is the decider.
+ if host_end == -1:
+ # atSign can be anywhere.
+ at_sign = rest.rfind("@")
+ else:
+ # atSign must be in auth portion.
+ # http://a@b/c@d => host:b auth:a path:/c@d
+ at_sign = rest.rfind("@", 0, host_end + 1)
+
+ # Now we have a portion which is definitely the auth.
+ # Pull that off.
+ if at_sign != -1:
+ auth = rest[:at_sign]
+ rest = rest[at_sign + 1 :]
+ self.auth = auth
+
+ # the host is the remaining to the left of the first non-host char
+ host_end = -1
+ for i in range(len(NON_HOST_CHARS)):
+ hec = rest.find(NON_HOST_CHARS[i])
+ if hec != -1 and (host_end == -1 or hec < host_end):
+ host_end = hec
+ # if we still have not hit it, then the entire thing is a host.
+ if host_end == -1:
+ host_end = len(rest)
+
+ if host_end > 0 and rest[host_end - 1] == ":":
+ host_end -= 1
+ host = rest[:host_end]
+ rest = rest[host_end:]
+
+ # pull out port.
+ self.parse_host(host)
+
+ # we've indicated that there is a hostname,
+ # so even if it's empty, it has to be present.
+ self.hostname = self.hostname or ""
+
+ # if hostname begins with [ and ends with ]
+ # assume that it's an IPv6 address.
+ ipv6_hostname = self.hostname.startswith("[") and self.hostname.endswith(
+ "]"
+ )
+
+ # validate a little.
+ if not ipv6_hostname:
+ hostparts = self.hostname.split(".")
+ l = len(hostparts) # noqa: E741
+ i = 0
+ while i < l:
+ part = hostparts[i]
+ if not part:
+ i += 1 # emulate statement3 in JS for loop
+ continue
+ if not HOSTNAME_PART_PATTERN.search(part):
+ newpart = ""
+ k = len(part)
+ j = 0
+ while j < k:
+ if ord(part[j]) > 127:
+ # we replace non-ASCII char with a temporary placeholder
+ # we need this to make sure size of hostname is not
+ # broken by replacing non-ASCII by nothing
+ newpart += "x"
+ else:
+ newpart += part[j]
+ j += 1 # emulate statement3 in JS for loop
+
+ # we test again with ASCII char only
+ if not HOSTNAME_PART_PATTERN.search(newpart):
+ valid_parts = hostparts[:i]
+ not_host = hostparts[i + 1 :]
+ bit = HOSTNAME_PART_START.search(part)
+ if bit:
+ valid_parts.append(bit.group(1))
+ not_host.insert(0, bit.group(2))
+ if not_host:
+ rest = ".".join(not_host) + rest
+ self.hostname = ".".join(valid_parts)
+ break
+ i += 1 # emulate statement3 in JS for loop
+
+ if len(self.hostname) > HOSTNAME_MAX_LEN:
+ self.hostname = ""
+
+ # strip [ and ] from the hostname
+ # the host field still retains them, though
+ if ipv6_hostname:
+ self.hostname = self.hostname[1:-1]
+
+ # chop off from the tail first.
+ hash = rest.find("#") # noqa: A001
+ if hash != -1:
+ # got a fragment string.
+ self.hash = rest[hash:]
+ rest = rest[:hash]
+ qm = rest.find("?")
+ if qm != -1:
+ self.search = rest[qm:]
+ rest = rest[:qm]
+ if rest:
+ self.pathname = rest
+ if SLASHED_PROTOCOL[lower_proto] and self.hostname and not self.pathname:
+ self.pathname = ""
+
+ return self
+
+ def parse_host(self, host: str) -> None:
+ port_match = PORT_PATTERN.search(host)
+ if port_match:
+ port = port_match.group()
+ if port != ":":
+ self.port = port[1:]
+ host = host[: -len(port)]
+ if host:
+ self.hostname = host
+
+
+def url_parse(url: URL | str, *, slashes_denote_host: bool = False) -> URL:
+ if isinstance(url, URL):
+ return url
+ u = MutableURL()
+ u.parse(url, slashes_denote_host)
+ return URL(
+ u.protocol, u.slashes, u.auth, u.port, u.hostname, u.hash, u.search, u.pathname
+ )
diff --git a/Scripts/Lib/site-packages/mdurl/_url.py b/Scripts/Lib/site-packages/mdurl/_url.py
new file mode 100644
index 0000000..f866e7a
--- /dev/null
+++ b/Scripts/Lib/site-packages/mdurl/_url.py
@@ -0,0 +1,14 @@
+from __future__ import annotations
+
+from typing import NamedTuple
+
+
+class URL(NamedTuple):
+ protocol: str | None
+ slashes: bool
+ auth: str | None
+ port: str | None
+ hostname: str | None
+ hash: str | None # noqa: A003
+ search: str | None
+ pathname: str | None
diff --git a/Scripts/Lib/site-packages/mdurl/py.typed b/Scripts/Lib/site-packages/mdurl/py.typed
new file mode 100644
index 0000000..7632ecf
--- /dev/null
+++ b/Scripts/Lib/site-packages/mdurl/py.typed
@@ -0,0 +1 @@
+# Marker file for PEP 561
diff --git a/Scripts/Lib/site-packages/pip-21.2.3.dist-info/INSTALLER b/Scripts/Lib/site-packages/pip-21.2.3.dist-info/INSTALLER
new file mode 100644
index 0000000..a1b589e
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip-21.2.3.dist-info/INSTALLER
@@ -0,0 +1 @@
+pip
diff --git a/Scripts/Lib/site-packages/pip-21.2.3.dist-info/LICENSE.txt b/Scripts/Lib/site-packages/pip-21.2.3.dist-info/LICENSE.txt
new file mode 100644
index 0000000..00addc2
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip-21.2.3.dist-info/LICENSE.txt
@@ -0,0 +1,20 @@
+Copyright (c) 2008-2021 The pip developers (see AUTHORS.txt file)
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/Scripts/Lib/site-packages/pip-21.2.3.dist-info/METADATA b/Scripts/Lib/site-packages/pip-21.2.3.dist-info/METADATA
new file mode 100644
index 0000000..58e30d9
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip-21.2.3.dist-info/METADATA
@@ -0,0 +1,92 @@
+Metadata-Version: 2.1
+Name: pip
+Version: 21.2.3
+Summary: The PyPA recommended tool for installing Python packages.
+Home-page: https://pip.pypa.io/
+Author: The pip developers
+Author-email: distutils-sig@python.org
+License: MIT
+Project-URL: Documentation, https://pip.pypa.io
+Project-URL: Source, https://github.com/pypa/pip
+Project-URL: Changelog, https://pip.pypa.io/en/stable/news/
+Platform: UNKNOWN
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: MIT License
+Classifier: Topic :: Software Development :: Build Tools
+Classifier: Programming Language :: Python
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3 :: Only
+Classifier: Programming Language :: Python :: 3.6
+Classifier: Programming Language :: Python :: 3.7
+Classifier: Programming Language :: Python :: 3.8
+Classifier: Programming Language :: Python :: 3.9
+Classifier: Programming Language :: Python :: Implementation :: CPython
+Classifier: Programming Language :: Python :: Implementation :: PyPy
+Requires-Python: >=3.6
+License-File: LICENSE.txt
+
+pip - The Python Package Installer
+==================================
+
+.. image:: https://img.shields.io/pypi/v/pip.svg
+ :target: https://pypi.org/project/pip/
+
+.. image:: https://readthedocs.org/projects/pip/badge/?version=latest
+ :target: https://pip.pypa.io/en/latest
+
+pip is the `package installer`_ for Python. You can use pip to install packages from the `Python Package Index`_ and other indexes.
+
+Please take a look at our documentation for how to install and use pip:
+
+* `Installation`_
+* `Usage`_
+
+We release updates regularly, with a new version every 3 months. Find more details in our documentation:
+
+* `Release notes`_
+* `Release process`_
+
+In pip 20.3, we've `made a big improvement to the heart of pip`_; `learn more`_. We want your input, so `sign up for our user experience research studies`_ to help us do it right.
+
+**Note**: pip 21.0, in January 2021, removed Python 2 support, per pip's `Python 2 support policy`_. Please migrate to Python 3.
+
+If you find bugs, need help, or want to talk to the developers, please use our mailing lists or chat rooms:
+
+* `Issue tracking`_
+* `Discourse channel`_
+* `User IRC`_
+
+If you want to get involved head over to GitHub to get the source code, look at our development documentation and feel free to jump on the developer mailing lists and chat rooms:
+
+* `GitHub page`_
+* `Development documentation`_
+* `Development mailing list`_
+* `Development IRC`_
+
+Code of Conduct
+---------------
+
+Everyone interacting in the pip project's codebases, issue trackers, chat
+rooms, and mailing lists is expected to follow the `PSF Code of Conduct`_.
+
+.. _package installer: https://packaging.python.org/guides/tool-recommendations/
+.. _Python Package Index: https://pypi.org
+.. _Installation: https://pip.pypa.io/en/stable/installation/
+.. _Usage: https://pip.pypa.io/en/stable/
+.. _Release notes: https://pip.pypa.io/en/stable/news.html
+.. _Release process: https://pip.pypa.io/en/latest/development/release-process/
+.. _GitHub page: https://github.com/pypa/pip
+.. _Development documentation: https://pip.pypa.io/en/latest/development
+.. _made a big improvement to the heart of pip: https://pyfound.blogspot.com/2020/11/pip-20-3-new-resolver.html
+.. _learn more: https://pip.pypa.io/en/latest/user_guide/#changes-to-the-pip-dependency-resolver-in-20-3-2020
+.. _sign up for our user experience research studies: https://pyfound.blogspot.com/2020/03/new-pip-resolver-to-roll-out-this-year.html
+.. _Python 2 support policy: https://pip.pypa.io/en/latest/development/release-process/#python-2-support
+.. _Issue tracking: https://github.com/pypa/pip/issues
+.. _Discourse channel: https://discuss.python.org/c/packaging
+.. _Development mailing list: https://mail.python.org/mailman3/lists/distutils-sig.python.org/
+.. _User IRC: https://kiwiirc.com/nextclient/#ircs://irc.libera.chat:+6697/pypa
+.. _Development IRC: https://kiwiirc.com/nextclient/#ircs://irc.libera.chat:+6697/pypa-dev
+.. _PSF Code of Conduct: https://github.com/pypa/.github/blob/main/CODE_OF_CONDUCT.md
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+pip/_vendor/webencodings/__pycache__/__init__.cpython-310.pyc,,
+pip/_vendor/webencodings/__pycache__/labels.cpython-310.pyc,,
+pip/_vendor/webencodings/__pycache__/mklabels.cpython-310.pyc,,
+pip/_vendor/webencodings/__pycache__/tests.cpython-310.pyc,,
+pip/_vendor/webencodings/__pycache__/x_user_defined.cpython-310.pyc,,
+pip/_vendor/webencodings/labels.py,sha256=e9gPVTA1XNYalJMVVX7lXvb52Kurc4UdnXFJDPcBXFE,9210
+pip/_vendor/webencodings/mklabels.py,sha256=tyhoDDc-TC6kjJY25Qn5TlsyMs2_IyPf_rfh4L6nSrg,1364
+pip/_vendor/webencodings/tests.py,sha256=7J6TdufKEml8sQSWcYEsl-e73QXtPmsIHF6pPT0sq08,6716
+pip/_vendor/webencodings/x_user_defined.py,sha256=CMn5bx2ccJ4y3Bsqf3xC24bYO4ONC3ZY_lv5vrqhKAY,4632
+pip/py.typed,sha256=9_aEgAx4lyfhJKT_8nv7mk-FpX3Mdtn8cV5Fw11xicg,290
diff --git a/Scripts/Lib/site-packages/pip-21.2.3.dist-info/REQUESTED b/Scripts/Lib/site-packages/pip-21.2.3.dist-info/REQUESTED
new file mode 100644
index 0000000..e69de29
diff --git a/Scripts/Lib/site-packages/pip-21.2.3.dist-info/WHEEL b/Scripts/Lib/site-packages/pip-21.2.3.dist-info/WHEEL
new file mode 100644
index 0000000..385faab
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip-21.2.3.dist-info/WHEEL
@@ -0,0 +1,5 @@
+Wheel-Version: 1.0
+Generator: bdist_wheel (0.36.2)
+Root-Is-Purelib: true
+Tag: py3-none-any
+
diff --git a/Scripts/Lib/site-packages/pip-21.2.3.dist-info/entry_points.txt b/Scripts/Lib/site-packages/pip-21.2.3.dist-info/entry_points.txt
new file mode 100644
index 0000000..d48bd8a
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip-21.2.3.dist-info/entry_points.txt
@@ -0,0 +1,5 @@
+[console_scripts]
+pip = pip._internal.cli.main:main
+pip3 = pip._internal.cli.main:main
+pip3.8 = pip._internal.cli.main:main
+
diff --git a/Scripts/Lib/site-packages/pip-21.2.3.dist-info/top_level.txt b/Scripts/Lib/site-packages/pip-21.2.3.dist-info/top_level.txt
new file mode 100644
index 0000000..a1b589e
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip-21.2.3.dist-info/top_level.txt
@@ -0,0 +1 @@
+pip
diff --git a/Scripts/Lib/site-packages/pip/__init__.py b/Scripts/Lib/site-packages/pip/__init__.py
new file mode 100644
index 0000000..3d8dd5c
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/__init__.py
@@ -0,0 +1,13 @@
+from typing import List, Optional
+
+__version__ = "21.2.3"
+
+
+def main(args: Optional[List[str]] = None) -> int:
+ """This is an internal API only meant for use by pip's own console scripts.
+
+ For additional details, see https://github.com/pypa/pip/issues/7498.
+ """
+ from pip._internal.utils.entrypoints import _wrapper
+
+ return _wrapper(args)
diff --git a/Scripts/Lib/site-packages/pip/__main__.py b/Scripts/Lib/site-packages/pip/__main__.py
new file mode 100644
index 0000000..fe34a7b
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/__main__.py
@@ -0,0 +1,31 @@
+import os
+import sys
+import warnings
+
+# Remove '' and current working directory from the first entry
+# of sys.path, if present to avoid using current directory
+# in pip commands check, freeze, install, list and show,
+# when invoked as python -m pip
+if sys.path[0] in ("", os.getcwd()):
+ sys.path.pop(0)
+
+# If we are running from a wheel, add the wheel to sys.path
+# This allows the usage python pip-*.whl/pip install pip-*.whl
+if __package__ == "":
+ # __file__ is pip-*.whl/pip/__main__.py
+ # first dirname call strips of '/__main__.py', second strips off '/pip'
+ # Resulting path is the name of the wheel itself
+ # Add that to sys.path so we can import pip
+ path = os.path.dirname(os.path.dirname(__file__))
+ sys.path.insert(0, path)
+
+if __name__ == "__main__":
+ # Work around the error reported in #9540, pending a proper fix.
+ # Note: It is essential the warning filter is set *before* importing
+ # pip, as the deprecation happens at import time, not runtime.
+ warnings.filterwarnings(
+ "ignore", category=DeprecationWarning, module=".*packaging\\.version"
+ )
+ from pip._internal.cli.main import main as _main
+
+ sys.exit(_main())
diff --git a/Scripts/Lib/site-packages/pip/__pycache__/__init__.cpython-310.pyc b/Scripts/Lib/site-packages/pip/__pycache__/__init__.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/__pycache__/__main__.cpython-310.pyc b/Scripts/Lib/site-packages/pip/__pycache__/__main__.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_internal/__init__.py b/Scripts/Lib/site-packages/pip/_internal/__init__.py
new file mode 100644
index 0000000..6afb5c6
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/__init__.py
@@ -0,0 +1,19 @@
+from typing import List, Optional
+
+import pip._internal.utils.inject_securetransport # noqa
+from pip._internal.utils import _log
+
+# init_logging() must be called before any call to logging.getLogger()
+# which happens at import of most modules.
+_log.init_logging()
+
+
+def main(args: (Optional[List[str]]) = None) -> int:
+ """This is preserved for old console scripts that may still be referencing
+ it.
+
+ For additional details, see https://github.com/pypa/pip/issues/7498.
+ """
+ from pip._internal.utils.entrypoints import _wrapper
+
+ return _wrapper(args)
diff --git a/Scripts/Lib/site-packages/pip/_internal/__pycache__/__init__.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_internal/__pycache__/__init__.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_internal/__pycache__/configuration.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_internal/__pycache__/configuration.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_internal/__pycache__/exceptions.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_internal/__pycache__/exceptions.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_internal/__pycache__/pyproject.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_internal/__pycache__/pyproject.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_internal/__pycache__/self_outdated_check.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_internal/__pycache__/self_outdated_check.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_internal/__pycache__/wheel_builder.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_internal/__pycache__/wheel_builder.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_internal/build_env.py b/Scripts/Lib/site-packages/pip/_internal/build_env.py
new file mode 100644
index 0000000..de98163
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/build_env.py
@@ -0,0 +1,294 @@
+"""Build Environment used for isolation during sdist building
+"""
+
+import contextlib
+import logging
+import os
+import pathlib
+import sys
+import textwrap
+import zipfile
+from collections import OrderedDict
+from sysconfig import get_paths
+from types import TracebackType
+from typing import TYPE_CHECKING, Iterable, Iterator, List, Optional, Set, Tuple, Type
+
+from pip._vendor.certifi import where
+from pip._vendor.packaging.requirements import Requirement
+from pip._vendor.packaging.version import Version
+
+from pip import __file__ as pip_location
+from pip._internal.cli.spinners import open_spinner
+from pip._internal.locations import get_platlib, get_prefixed_libs, get_purelib
+from pip._internal.metadata import get_environment
+from pip._internal.utils.subprocess import call_subprocess
+from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds
+
+if TYPE_CHECKING:
+ from pip._internal.index.package_finder import PackageFinder
+
+logger = logging.getLogger(__name__)
+
+
+class _Prefix:
+
+ def __init__(self, path):
+ # type: (str) -> None
+ self.path = path
+ self.setup = False
+ self.bin_dir = get_paths(
+ 'nt' if os.name == 'nt' else 'posix_prefix',
+ vars={'base': path, 'platbase': path}
+ )['scripts']
+ self.lib_dirs = get_prefixed_libs(path)
+
+
+@contextlib.contextmanager
+def _create_standalone_pip() -> Iterator[str]:
+ """Create a "standalone pip" zip file.
+
+ The zip file's content is identical to the currently-running pip.
+ It will be used to install requirements into the build environment.
+ """
+ source = pathlib.Path(pip_location).resolve().parent
+
+ # Return the current instance if `source` is not a directory. We can't build
+ # a zip from this, and it likely means the instance is already standalone.
+ if not source.is_dir():
+ yield str(source)
+ return
+
+ with TempDirectory(kind="standalone-pip") as tmp_dir:
+ pip_zip = os.path.join(tmp_dir.path, "__env_pip__.zip")
+ kwargs = {}
+ if sys.version_info >= (3, 8):
+ kwargs["strict_timestamps"] = False
+ with zipfile.ZipFile(pip_zip, "w", **kwargs) as zf:
+ for child in source.rglob("*"):
+ zf.write(child, child.relative_to(source.parent).as_posix())
+ yield os.path.join(pip_zip, "pip")
+
+
+class BuildEnvironment:
+ """Creates and manages an isolated environment to install build deps
+ """
+
+ def __init__(self):
+ # type: () -> None
+ temp_dir = TempDirectory(
+ kind=tempdir_kinds.BUILD_ENV, globally_managed=True
+ )
+
+ self._prefixes = OrderedDict(
+ (name, _Prefix(os.path.join(temp_dir.path, name)))
+ for name in ('normal', 'overlay')
+ )
+
+ self._bin_dirs = [] # type: List[str]
+ self._lib_dirs = [] # type: List[str]
+ for prefix in reversed(list(self._prefixes.values())):
+ self._bin_dirs.append(prefix.bin_dir)
+ self._lib_dirs.extend(prefix.lib_dirs)
+
+ # Customize site to:
+ # - ensure .pth files are honored
+ # - prevent access to system site packages
+ system_sites = {
+ os.path.normcase(site) for site in (get_purelib(), get_platlib())
+ }
+ self._site_dir = os.path.join(temp_dir.path, 'site')
+ if not os.path.exists(self._site_dir):
+ os.mkdir(self._site_dir)
+ with open(os.path.join(self._site_dir, 'sitecustomize.py'), 'w') as fp:
+ fp.write(textwrap.dedent(
+ '''
+ import os, site, sys
+
+ # First, drop system-sites related paths.
+ original_sys_path = sys.path[:]
+ known_paths = set()
+ for path in {system_sites!r}:
+ site.addsitedir(path, known_paths=known_paths)
+ system_paths = set(
+ os.path.normcase(path)
+ for path in sys.path[len(original_sys_path):]
+ )
+ original_sys_path = [
+ path for path in original_sys_path
+ if os.path.normcase(path) not in system_paths
+ ]
+ sys.path = original_sys_path
+
+ # Second, add lib directories.
+ # ensuring .pth file are processed.
+ for path in {lib_dirs!r}:
+ assert not path in sys.path
+ site.addsitedir(path)
+ '''
+ ).format(system_sites=system_sites, lib_dirs=self._lib_dirs))
+
+ def __enter__(self):
+ # type: () -> None
+ self._save_env = {
+ name: os.environ.get(name, None)
+ for name in ('PATH', 'PYTHONNOUSERSITE', 'PYTHONPATH')
+ }
+
+ path = self._bin_dirs[:]
+ old_path = self._save_env['PATH']
+ if old_path:
+ path.extend(old_path.split(os.pathsep))
+
+ pythonpath = [self._site_dir]
+
+ os.environ.update({
+ 'PATH': os.pathsep.join(path),
+ 'PYTHONNOUSERSITE': '1',
+ 'PYTHONPATH': os.pathsep.join(pythonpath),
+ })
+
+ def __exit__(
+ self,
+ exc_type, # type: Optional[Type[BaseException]]
+ exc_val, # type: Optional[BaseException]
+ exc_tb # type: Optional[TracebackType]
+ ):
+ # type: (...) -> None
+ for varname, old_value in self._save_env.items():
+ if old_value is None:
+ os.environ.pop(varname, None)
+ else:
+ os.environ[varname] = old_value
+
+ def check_requirements(self, reqs):
+ # type: (Iterable[str]) -> Tuple[Set[Tuple[str, str]], Set[str]]
+ """Return 2 sets:
+ - conflicting requirements: set of (installed, wanted) reqs tuples
+ - missing requirements: set of reqs
+ """
+ missing = set()
+ conflicting = set()
+ if reqs:
+ env = get_environment(self._lib_dirs)
+ for req_str in reqs:
+ req = Requirement(req_str)
+ dist = env.get_distribution(req.name)
+ if not dist:
+ missing.add(req_str)
+ continue
+ if isinstance(dist.version, Version):
+ installed_req_str = f"{req.name}=={dist.version}"
+ else:
+ installed_req_str = f"{req.name}==={dist.version}"
+ if dist.version not in req.specifier:
+ conflicting.add((installed_req_str, req_str))
+ # FIXME: Consider direct URL?
+ return conflicting, missing
+
+ def install_requirements(
+ self,
+ finder, # type: PackageFinder
+ requirements, # type: Iterable[str]
+ prefix_as_string, # type: str
+ message # type: str
+ ):
+ # type: (...) -> None
+ prefix = self._prefixes[prefix_as_string]
+ assert not prefix.setup
+ prefix.setup = True
+ if not requirements:
+ return
+ with contextlib.ExitStack() as ctx:
+ # TODO: Remove this block when dropping 3.6 support. Python 3.6
+ # lacks importlib.resources and pep517 has issues loading files in
+ # a zip, so we fallback to the "old" method by adding the current
+ # pip directory to the child process's sys.path.
+ if sys.version_info < (3, 7):
+ pip_runnable = os.path.dirname(pip_location)
+ else:
+ pip_runnable = ctx.enter_context(_create_standalone_pip())
+ self._install_requirements(
+ pip_runnable,
+ finder,
+ requirements,
+ prefix,
+ message,
+ )
+
+ @staticmethod
+ def _install_requirements(
+ pip_runnable: str,
+ finder: "PackageFinder",
+ requirements: Iterable[str],
+ prefix: _Prefix,
+ message: str,
+ ) -> None:
+ args = [
+ sys.executable, pip_runnable, 'install',
+ '--ignore-installed', '--no-user', '--prefix', prefix.path,
+ '--no-warn-script-location',
+ ] # type: List[str]
+ if logger.getEffectiveLevel() <= logging.DEBUG:
+ args.append('-v')
+ for format_control in ('no_binary', 'only_binary'):
+ formats = getattr(finder.format_control, format_control)
+ args.extend(('--' + format_control.replace('_', '-'),
+ ','.join(sorted(formats or {':none:'}))))
+
+ index_urls = finder.index_urls
+ if index_urls:
+ args.extend(['-i', index_urls[0]])
+ for extra_index in index_urls[1:]:
+ args.extend(['--extra-index-url', extra_index])
+ else:
+ args.append('--no-index')
+ for link in finder.find_links:
+ args.extend(['--find-links', link])
+
+ for host in finder.trusted_hosts:
+ args.extend(['--trusted-host', host])
+ if finder.allow_all_prereleases:
+ args.append('--pre')
+ if finder.prefer_binary:
+ args.append('--prefer-binary')
+ args.append('--')
+ args.extend(requirements)
+ extra_environ = {"_PIP_STANDALONE_CERT": where()}
+ with open_spinner(message) as spinner:
+ call_subprocess(args, spinner=spinner, extra_environ=extra_environ)
+
+
+class NoOpBuildEnvironment(BuildEnvironment):
+ """A no-op drop-in replacement for BuildEnvironment
+ """
+
+ def __init__(self):
+ # type: () -> None
+ pass
+
+ def __enter__(self):
+ # type: () -> None
+ pass
+
+ def __exit__(
+ self,
+ exc_type, # type: Optional[Type[BaseException]]
+ exc_val, # type: Optional[BaseException]
+ exc_tb # type: Optional[TracebackType]
+ ):
+ # type: (...) -> None
+ pass
+
+ def cleanup(self):
+ # type: () -> None
+ pass
+
+ def install_requirements(
+ self,
+ finder, # type: PackageFinder
+ requirements, # type: Iterable[str]
+ prefix_as_string, # type: str
+ message # type: str
+ ):
+ # type: (...) -> None
+ raise NotImplementedError()
diff --git a/Scripts/Lib/site-packages/pip/_internal/cache.py b/Scripts/Lib/site-packages/pip/_internal/cache.py
new file mode 100644
index 0000000..7ef51b9
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/cache.py
@@ -0,0 +1,287 @@
+"""Cache Management
+"""
+
+import hashlib
+import json
+import logging
+import os
+from typing import Any, Dict, List, Optional, Set
+
+from pip._vendor.packaging.tags import Tag, interpreter_name, interpreter_version
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.exceptions import InvalidWheelFilename
+from pip._internal.models.format_control import FormatControl
+from pip._internal.models.link import Link
+from pip._internal.models.wheel import Wheel
+from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds
+from pip._internal.utils.urls import path_to_url
+
+logger = logging.getLogger(__name__)
+
+
+def _hash_dict(d):
+ # type: (Dict[str, str]) -> str
+ """Return a stable sha224 of a dictionary."""
+ s = json.dumps(d, sort_keys=True, separators=(",", ":"), ensure_ascii=True)
+ return hashlib.sha224(s.encode("ascii")).hexdigest()
+
+
+class Cache:
+ """An abstract class - provides cache directories for data from links
+
+
+ :param cache_dir: The root of the cache.
+ :param format_control: An object of FormatControl class to limit
+ binaries being read from the cache.
+ :param allowed_formats: which formats of files the cache should store.
+ ('binary' and 'source' are the only allowed values)
+ """
+
+ def __init__(self, cache_dir, format_control, allowed_formats):
+ # type: (str, FormatControl, Set[str]) -> None
+ super().__init__()
+ assert not cache_dir or os.path.isabs(cache_dir)
+ self.cache_dir = cache_dir or None
+ self.format_control = format_control
+ self.allowed_formats = allowed_formats
+
+ _valid_formats = {"source", "binary"}
+ assert self.allowed_formats.union(_valid_formats) == _valid_formats
+
+ def _get_cache_path_parts(self, link):
+ # type: (Link) -> List[str]
+ """Get parts of part that must be os.path.joined with cache_dir
+ """
+
+ # We want to generate an url to use as our cache key, we don't want to
+ # just re-use the URL because it might have other items in the fragment
+ # and we don't care about those.
+ key_parts = {"url": link.url_without_fragment}
+ if link.hash_name is not None and link.hash is not None:
+ key_parts[link.hash_name] = link.hash
+ if link.subdirectory_fragment:
+ key_parts["subdirectory"] = link.subdirectory_fragment
+
+ # Include interpreter name, major and minor version in cache key
+ # to cope with ill-behaved sdists that build a different wheel
+ # depending on the python version their setup.py is being run on,
+ # and don't encode the difference in compatibility tags.
+ # https://github.com/pypa/pip/issues/7296
+ key_parts["interpreter_name"] = interpreter_name()
+ key_parts["interpreter_version"] = interpreter_version()
+
+ # Encode our key url with sha224, we'll use this because it has similar
+ # security properties to sha256, but with a shorter total output (and
+ # thus less secure). However the differences don't make a lot of
+ # difference for our use case here.
+ hashed = _hash_dict(key_parts)
+
+ # We want to nest the directories some to prevent having a ton of top
+ # level directories where we might run out of sub directories on some
+ # FS.
+ parts = [hashed[:2], hashed[2:4], hashed[4:6], hashed[6:]]
+
+ return parts
+
+ def _get_candidates(self, link, canonical_package_name):
+ # type: (Link, str) -> List[Any]
+ can_not_cache = (
+ not self.cache_dir or
+ not canonical_package_name or
+ not link
+ )
+ if can_not_cache:
+ return []
+
+ formats = self.format_control.get_allowed_formats(
+ canonical_package_name
+ )
+ if not self.allowed_formats.intersection(formats):
+ return []
+
+ candidates = []
+ path = self.get_path_for_link(link)
+ if os.path.isdir(path):
+ for candidate in os.listdir(path):
+ candidates.append((candidate, path))
+ return candidates
+
+ def get_path_for_link(self, link):
+ # type: (Link) -> str
+ """Return a directory to store cached items in for link.
+ """
+ raise NotImplementedError()
+
+ def get(
+ self,
+ link, # type: Link
+ package_name, # type: Optional[str]
+ supported_tags, # type: List[Tag]
+ ):
+ # type: (...) -> Link
+ """Returns a link to a cached item if it exists, otherwise returns the
+ passed link.
+ """
+ raise NotImplementedError()
+
+
+class SimpleWheelCache(Cache):
+ """A cache of wheels for future installs.
+ """
+
+ def __init__(self, cache_dir, format_control):
+ # type: (str, FormatControl) -> None
+ super().__init__(cache_dir, format_control, {"binary"})
+
+ def get_path_for_link(self, link):
+ # type: (Link) -> str
+ """Return a directory to store cached wheels for link
+
+ Because there are M wheels for any one sdist, we provide a directory
+ to cache them in, and then consult that directory when looking up
+ cache hits.
+
+ We only insert things into the cache if they have plausible version
+ numbers, so that we don't contaminate the cache with things that were
+ not unique. E.g. ./package might have dozens of installs done for it
+ and build a version of 0.0...and if we built and cached a wheel, we'd
+ end up using the same wheel even if the source has been edited.
+
+ :param link: The link of the sdist for which this will cache wheels.
+ """
+ parts = self._get_cache_path_parts(link)
+ assert self.cache_dir
+ # Store wheels within the root cache_dir
+ return os.path.join(self.cache_dir, "wheels", *parts)
+
+ def get(
+ self,
+ link, # type: Link
+ package_name, # type: Optional[str]
+ supported_tags, # type: List[Tag]
+ ):
+ # type: (...) -> Link
+ candidates = []
+
+ if not package_name:
+ return link
+
+ canonical_package_name = canonicalize_name(package_name)
+ for wheel_name, wheel_dir in self._get_candidates(
+ link, canonical_package_name
+ ):
+ try:
+ wheel = Wheel(wheel_name)
+ except InvalidWheelFilename:
+ continue
+ if canonicalize_name(wheel.name) != canonical_package_name:
+ logger.debug(
+ "Ignoring cached wheel %s for %s as it "
+ "does not match the expected distribution name %s.",
+ wheel_name, link, package_name,
+ )
+ continue
+ if not wheel.supported(supported_tags):
+ # Built for a different python/arch/etc
+ continue
+ candidates.append(
+ (
+ wheel.support_index_min(supported_tags),
+ wheel_name,
+ wheel_dir,
+ )
+ )
+
+ if not candidates:
+ return link
+
+ _, wheel_name, wheel_dir = min(candidates)
+ return Link(path_to_url(os.path.join(wheel_dir, wheel_name)))
+
+
+class EphemWheelCache(SimpleWheelCache):
+ """A SimpleWheelCache that creates it's own temporary cache directory
+ """
+
+ def __init__(self, format_control):
+ # type: (FormatControl) -> None
+ self._temp_dir = TempDirectory(
+ kind=tempdir_kinds.EPHEM_WHEEL_CACHE,
+ globally_managed=True,
+ )
+
+ super().__init__(self._temp_dir.path, format_control)
+
+
+class CacheEntry:
+ def __init__(
+ self,
+ link, # type: Link
+ persistent, # type: bool
+ ):
+ self.link = link
+ self.persistent = persistent
+
+
+class WheelCache(Cache):
+ """Wraps EphemWheelCache and SimpleWheelCache into a single Cache
+
+ This Cache allows for gracefully degradation, using the ephem wheel cache
+ when a certain link is not found in the simple wheel cache first.
+ """
+
+ def __init__(self, cache_dir, format_control):
+ # type: (str, FormatControl) -> None
+ super().__init__(cache_dir, format_control, {'binary'})
+ self._wheel_cache = SimpleWheelCache(cache_dir, format_control)
+ self._ephem_cache = EphemWheelCache(format_control)
+
+ def get_path_for_link(self, link):
+ # type: (Link) -> str
+ return self._wheel_cache.get_path_for_link(link)
+
+ def get_ephem_path_for_link(self, link):
+ # type: (Link) -> str
+ return self._ephem_cache.get_path_for_link(link)
+
+ def get(
+ self,
+ link, # type: Link
+ package_name, # type: Optional[str]
+ supported_tags, # type: List[Tag]
+ ):
+ # type: (...) -> Link
+ cache_entry = self.get_cache_entry(link, package_name, supported_tags)
+ if cache_entry is None:
+ return link
+ return cache_entry.link
+
+ def get_cache_entry(
+ self,
+ link, # type: Link
+ package_name, # type: Optional[str]
+ supported_tags, # type: List[Tag]
+ ):
+ # type: (...) -> Optional[CacheEntry]
+ """Returns a CacheEntry with a link to a cached item if it exists or
+ None. The cache entry indicates if the item was found in the persistent
+ or ephemeral cache.
+ """
+ retval = self._wheel_cache.get(
+ link=link,
+ package_name=package_name,
+ supported_tags=supported_tags,
+ )
+ if retval is not link:
+ return CacheEntry(retval, persistent=True)
+
+ retval = self._ephem_cache.get(
+ link=link,
+ package_name=package_name,
+ supported_tags=supported_tags,
+ )
+ if retval is not link:
+ return CacheEntry(retval, persistent=False)
+
+ return None
diff --git a/Scripts/Lib/site-packages/pip/_internal/cli/__init__.py b/Scripts/Lib/site-packages/pip/_internal/cli/__init__.py
new file mode 100644
index 0000000..e589bb9
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/cli/__init__.py
@@ -0,0 +1,4 @@
+"""Subpackage containing all of pip's command line interface related code
+"""
+
+# This file intentionally does not import submodules
diff --git a/Scripts/Lib/site-packages/pip/_internal/cli/__pycache__/__init__.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_internal/cli/__pycache__/__init__.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_internal/cli/autocompletion.py b/Scripts/Lib/site-packages/pip/_internal/cli/autocompletion.py
new file mode 100644
index 0000000..3cad148
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/cli/autocompletion.py
@@ -0,0 +1,163 @@
+"""Logic that powers autocompletion installed by ``pip completion``.
+"""
+
+import optparse
+import os
+import sys
+from itertools import chain
+from typing import Any, Iterable, List, Optional
+
+from pip._internal.cli.main_parser import create_main_parser
+from pip._internal.commands import commands_dict, create_command
+from pip._internal.metadata import get_default_environment
+
+
+def autocomplete() -> None:
+ """Entry Point for completion of main and subcommand options."""
+ # Don't complete if user hasn't sourced bash_completion file.
+ if "PIP_AUTO_COMPLETE" not in os.environ:
+ return
+ cwords = os.environ["COMP_WORDS"].split()[1:]
+ cword = int(os.environ["COMP_CWORD"])
+ try:
+ current = cwords[cword - 1]
+ except IndexError:
+ current = ""
+
+ parser = create_main_parser()
+ subcommands = list(commands_dict)
+ options = []
+
+ # subcommand
+ subcommand_name: Optional[str] = None
+ for word in cwords:
+ if word in subcommands:
+ subcommand_name = word
+ break
+ # subcommand options
+ if subcommand_name is not None:
+ # special case: 'help' subcommand has no options
+ if subcommand_name == "help":
+ sys.exit(1)
+ # special case: list locally installed dists for show and uninstall
+ should_list_installed = not current.startswith("-") and subcommand_name in [
+ "show",
+ "uninstall",
+ ]
+ if should_list_installed:
+ env = get_default_environment()
+ lc = current.lower()
+ installed = [
+ dist.canonical_name
+ for dist in env.iter_installed_distributions(local_only=True)
+ if dist.canonical_name.startswith(lc)
+ and dist.canonical_name not in cwords[1:]
+ ]
+ # if there are no dists installed, fall back to option completion
+ if installed:
+ for dist in installed:
+ print(dist)
+ sys.exit(1)
+
+ subcommand = create_command(subcommand_name)
+
+ for opt in subcommand.parser.option_list_all:
+ if opt.help != optparse.SUPPRESS_HELP:
+ for opt_str in opt._long_opts + opt._short_opts:
+ options.append((opt_str, opt.nargs))
+
+ # filter out previously specified options from available options
+ prev_opts = [x.split("=")[0] for x in cwords[1 : cword - 1]]
+ options = [(x, v) for (x, v) in options if x not in prev_opts]
+ # filter options by current input
+ options = [(k, v) for k, v in options if k.startswith(current)]
+ # get completion type given cwords and available subcommand options
+ completion_type = get_path_completion_type(
+ cwords,
+ cword,
+ subcommand.parser.option_list_all,
+ )
+ # get completion files and directories if ``completion_type`` is
+ # ````, ```` or ````
+ if completion_type:
+ paths = auto_complete_paths(current, completion_type)
+ options = [(path, 0) for path in paths]
+ for option in options:
+ opt_label = option[0]
+ # append '=' to options which require args
+ if option[1] and option[0][:2] == "--":
+ opt_label += "="
+ print(opt_label)
+ else:
+ # show main parser options only when necessary
+
+ opts = [i.option_list for i in parser.option_groups]
+ opts.append(parser.option_list)
+ flattened_opts = chain.from_iterable(opts)
+ if current.startswith("-"):
+ for opt in flattened_opts:
+ if opt.help != optparse.SUPPRESS_HELP:
+ subcommands += opt._long_opts + opt._short_opts
+ else:
+ # get completion type given cwords and all available options
+ completion_type = get_path_completion_type(cwords, cword, flattened_opts)
+ if completion_type:
+ subcommands = list(auto_complete_paths(current, completion_type))
+
+ print(" ".join([x for x in subcommands if x.startswith(current)]))
+ sys.exit(1)
+
+
+def get_path_completion_type(
+ cwords: List[str], cword: int, opts: Iterable[Any]
+) -> Optional[str]:
+ """Get the type of path completion (``file``, ``dir``, ``path`` or None)
+
+ :param cwords: same as the environmental variable ``COMP_WORDS``
+ :param cword: same as the environmental variable ``COMP_CWORD``
+ :param opts: The available options to check
+ :return: path completion type (``file``, ``dir``, ``path`` or None)
+ """
+ if cword < 2 or not cwords[cword - 2].startswith("-"):
+ return None
+ for opt in opts:
+ if opt.help == optparse.SUPPRESS_HELP:
+ continue
+ for o in str(opt).split("/"):
+ if cwords[cword - 2].split("=")[0] == o:
+ if not opt.metavar or any(
+ x in ("path", "file", "dir") for x in opt.metavar.split("/")
+ ):
+ return opt.metavar
+ return None
+
+
+def auto_complete_paths(current: str, completion_type: str) -> Iterable[str]:
+ """If ``completion_type`` is ``file`` or ``path``, list all regular files
+ and directories starting with ``current``; otherwise only list directories
+ starting with ``current``.
+
+ :param current: The word to be completed
+ :param completion_type: path completion type(`file`, `path` or `dir`)i
+ :return: A generator of regular files and/or directories
+ """
+ directory, filename = os.path.split(current)
+ current_path = os.path.abspath(directory)
+ # Don't complete paths if they can't be accessed
+ if not os.access(current_path, os.R_OK):
+ return
+ filename = os.path.normcase(filename)
+ # list all files that start with ``filename``
+ file_list = (
+ x for x in os.listdir(current_path) if os.path.normcase(x).startswith(filename)
+ )
+ for f in file_list:
+ opt = os.path.join(current_path, f)
+ comp_file = os.path.normcase(os.path.join(directory, f))
+ # complete regular files when there is not ```` after option
+ # complete directories when there is ````, ```` or
+ # ````after option
+ if completion_type != "dir" and os.path.isfile(opt):
+ yield comp_file
+ elif os.path.isdir(opt):
+ yield os.path.join(comp_file, "")
diff --git a/Scripts/Lib/site-packages/pip/_internal/cli/base_command.py b/Scripts/Lib/site-packages/pip/_internal/cli/base_command.py
new file mode 100644
index 0000000..eea3830
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/cli/base_command.py
@@ -0,0 +1,214 @@
+"""Base Command class, and related routines"""
+
+import logging
+import logging.config
+import optparse
+import os
+import sys
+import traceback
+from optparse import Values
+from typing import Any, List, Optional, Tuple
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.command_context import CommandContextMixIn
+from pip._internal.cli.parser import ConfigOptionParser, UpdatingDefaultsHelpFormatter
+from pip._internal.cli.status_codes import (
+ ERROR,
+ PREVIOUS_BUILD_DIR_ERROR,
+ UNKNOWN_ERROR,
+ VIRTUALENV_NOT_FOUND,
+)
+from pip._internal.exceptions import (
+ BadCommand,
+ CommandError,
+ InstallationError,
+ NetworkConnectionError,
+ PreviousBuildDirError,
+ UninstallationError,
+)
+from pip._internal.utils.deprecation import deprecated
+from pip._internal.utils.filesystem import check_path_owner
+from pip._internal.utils.logging import BrokenStdoutLoggingError, setup_logging
+from pip._internal.utils.misc import get_prog, normalize_path
+from pip._internal.utils.temp_dir import TempDirectoryTypeRegistry as TempDirRegistry
+from pip._internal.utils.temp_dir import global_tempdir_manager, tempdir_registry
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+__all__ = ["Command"]
+
+logger = logging.getLogger(__name__)
+
+
+class Command(CommandContextMixIn):
+ usage: str = ""
+ ignore_require_venv: bool = False
+
+ def __init__(self, name: str, summary: str, isolated: bool = False) -> None:
+ super().__init__()
+
+ self.name = name
+ self.summary = summary
+ self.parser = ConfigOptionParser(
+ usage=self.usage,
+ prog=f"{get_prog()} {name}",
+ formatter=UpdatingDefaultsHelpFormatter(),
+ add_help_option=False,
+ name=name,
+ description=self.__doc__,
+ isolated=isolated,
+ )
+
+ self.tempdir_registry: Optional[TempDirRegistry] = None
+
+ # Commands should add options to this option group
+ optgroup_name = f"{self.name.capitalize()} Options"
+ self.cmd_opts = optparse.OptionGroup(self.parser, optgroup_name)
+
+ # Add the general options
+ gen_opts = cmdoptions.make_option_group(
+ cmdoptions.general_group,
+ self.parser,
+ )
+ self.parser.add_option_group(gen_opts)
+
+ self.add_options()
+
+ def add_options(self) -> None:
+ pass
+
+ def handle_pip_version_check(self, options: Values) -> None:
+ """
+ This is a no-op so that commands by default do not do the pip version
+ check.
+ """
+ # Make sure we do the pip version check if the index_group options
+ # are present.
+ assert not hasattr(options, "no_index")
+
+ def run(self, options: Values, args: List[Any]) -> int:
+ raise NotImplementedError
+
+ def parse_args(self, args: List[str]) -> Tuple[Any, Any]:
+ # factored out for testability
+ return self.parser.parse_args(args)
+
+ def main(self, args: List[str]) -> int:
+ try:
+ with self.main_context():
+ return self._main(args)
+ finally:
+ logging.shutdown()
+
+ def _main(self, args: List[str]) -> int:
+ # We must initialize this before the tempdir manager, otherwise the
+ # configuration would not be accessible by the time we clean up the
+ # tempdir manager.
+ self.tempdir_registry = self.enter_context(tempdir_registry())
+ # Intentionally set as early as possible so globally-managed temporary
+ # directories are available to the rest of the code.
+ self.enter_context(global_tempdir_manager())
+
+ options, args = self.parse_args(args)
+
+ # Set verbosity so that it can be used elsewhere.
+ self.verbosity = options.verbose - options.quiet
+
+ level_number = setup_logging(
+ verbosity=self.verbosity,
+ no_color=options.no_color,
+ user_log_file=options.log,
+ )
+
+ # TODO: Try to get these passing down from the command?
+ # without resorting to os.environ to hold these.
+ # This also affects isolated builds and it should.
+
+ if options.no_input:
+ os.environ["PIP_NO_INPUT"] = "1"
+
+ if options.exists_action:
+ os.environ["PIP_EXISTS_ACTION"] = " ".join(options.exists_action)
+
+ if options.require_venv and not self.ignore_require_venv:
+ # If a venv is required check if it can really be found
+ if not running_under_virtualenv():
+ logger.critical("Could not find an activated virtualenv (required).")
+ sys.exit(VIRTUALENV_NOT_FOUND)
+
+ if options.cache_dir:
+ options.cache_dir = normalize_path(options.cache_dir)
+ if not check_path_owner(options.cache_dir):
+ logger.warning(
+ "The directory '%s' or its parent directory is not owned "
+ "or is not writable by the current user. The cache "
+ "has been disabled. Check the permissions and owner of "
+ "that directory. If executing pip with sudo, you should "
+ "use sudo's -H flag.",
+ options.cache_dir,
+ )
+ options.cache_dir = None
+
+ if getattr(options, "build_dir", None):
+ deprecated(
+ reason=(
+ "The -b/--build/--build-dir/--build-directory "
+ "option is deprecated and has no effect anymore."
+ ),
+ replacement=(
+ "use the TMPDIR/TEMP/TMP environment variable, "
+ "possibly combined with --no-clean"
+ ),
+ gone_in="21.3",
+ issue=8333,
+ )
+
+ if "2020-resolver" in options.features_enabled:
+ logger.warning(
+ "--use-feature=2020-resolver no longer has any effect, "
+ "since it is now the default dependency resolver in pip. "
+ "This will become an error in pip 21.0."
+ )
+
+ try:
+ status = self.run(options, args)
+ assert isinstance(status, int)
+ return status
+ except PreviousBuildDirError as exc:
+ logger.critical(str(exc))
+ logger.debug("Exception information:", exc_info=True)
+
+ return PREVIOUS_BUILD_DIR_ERROR
+ except (
+ InstallationError,
+ UninstallationError,
+ BadCommand,
+ NetworkConnectionError,
+ ) as exc:
+ logger.critical(str(exc))
+ logger.debug("Exception information:", exc_info=True)
+
+ return ERROR
+ except CommandError as exc:
+ logger.critical("%s", exc)
+ logger.debug("Exception information:", exc_info=True)
+
+ return ERROR
+ except BrokenStdoutLoggingError:
+ # Bypass our logger and write any remaining messages to stderr
+ # because stdout no longer works.
+ print("ERROR: Pipe to stdout was broken", file=sys.stderr)
+ if level_number <= logging.DEBUG:
+ traceback.print_exc(file=sys.stderr)
+
+ return ERROR
+ except KeyboardInterrupt:
+ logger.critical("Operation cancelled by user")
+ logger.debug("Exception information:", exc_info=True)
+
+ return ERROR
+ except BaseException:
+ logger.critical("Exception:", exc_info=True)
+
+ return UNKNOWN_ERROR
+ finally:
+ self.handle_pip_version_check(options)
diff --git a/Scripts/Lib/site-packages/pip/_internal/cli/cmdoptions.py b/Scripts/Lib/site-packages/pip/_internal/cli/cmdoptions.py
new file mode 100644
index 0000000..b4f0f83
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/cli/cmdoptions.py
@@ -0,0 +1,1009 @@
+"""
+shared options and groups
+
+The principle here is to define options once, but *not* instantiate them
+globally. One reason being that options with action='append' can carry state
+between parses. pip parses general options twice internally, and shouldn't
+pass on state. To be consistent, all options will follow this design.
+"""
+
+# The following comment should be removed at some point in the future.
+# mypy: strict-optional=False
+
+import os
+import textwrap
+import warnings
+from functools import partial
+from optparse import SUPPRESS_HELP, Option, OptionGroup, OptionParser, Values
+from textwrap import dedent
+from typing import Any, Callable, Dict, Optional, Tuple
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.cli.parser import ConfigOptionParser
+from pip._internal.cli.progress_bars import BAR_TYPES
+from pip._internal.exceptions import CommandError
+from pip._internal.locations import USER_CACHE_DIR, get_src_prefix
+from pip._internal.models.format_control import FormatControl
+from pip._internal.models.index import PyPI
+from pip._internal.models.target_python import TargetPython
+from pip._internal.utils.hashes import STRONG_HASHES
+from pip._internal.utils.misc import strtobool
+
+
+def raise_option_error(parser: OptionParser, option: Option, msg: str) -> None:
+ """
+ Raise an option parsing error using parser.error().
+
+ Args:
+ parser: an OptionParser instance.
+ option: an Option instance.
+ msg: the error text.
+ """
+ msg = f"{option} error: {msg}"
+ msg = textwrap.fill(" ".join(msg.split()))
+ parser.error(msg)
+
+
+def make_option_group(group: Dict[str, Any], parser: ConfigOptionParser) -> OptionGroup:
+ """
+ Return an OptionGroup object
+ group -- assumed to be dict with 'name' and 'options' keys
+ parser -- an optparse Parser
+ """
+ option_group = OptionGroup(parser, group["name"])
+ for option in group["options"]:
+ option_group.add_option(option())
+ return option_group
+
+
+def check_install_build_global(
+ options: Values, check_options: Optional[Values] = None
+) -> None:
+ """Disable wheels if per-setup.py call options are set.
+
+ :param options: The OptionParser options to update.
+ :param check_options: The options to check, if not supplied defaults to
+ options.
+ """
+ if check_options is None:
+ check_options = options
+
+ def getname(n: str) -> Optional[Any]:
+ return getattr(check_options, n, None)
+
+ names = ["build_options", "global_options", "install_options"]
+ if any(map(getname, names)):
+ control = options.format_control
+ control.disallow_binaries()
+ warnings.warn(
+ "Disabling all use of wheels due to the use of --build-option "
+ "/ --global-option / --install-option.",
+ stacklevel=2,
+ )
+
+
+def check_dist_restriction(options: Values, check_target: bool = False) -> None:
+ """Function for determining if custom platform options are allowed.
+
+ :param options: The OptionParser options.
+ :param check_target: Whether or not to check if --target is being used.
+ """
+ dist_restriction_set = any(
+ [
+ options.python_version,
+ options.platforms,
+ options.abis,
+ options.implementation,
+ ]
+ )
+
+ binary_only = FormatControl(set(), {":all:"})
+ sdist_dependencies_allowed = (
+ options.format_control != binary_only and not options.ignore_dependencies
+ )
+
+ # Installations or downloads using dist restrictions must not combine
+ # source distributions and dist-specific wheels, as they are not
+ # guaranteed to be locally compatible.
+ if dist_restriction_set and sdist_dependencies_allowed:
+ raise CommandError(
+ "When restricting platform and interpreter constraints using "
+ "--python-version, --platform, --abi, or --implementation, "
+ "either --no-deps must be set, or --only-binary=:all: must be "
+ "set and --no-binary must not be set (or must be set to "
+ ":none:)."
+ )
+
+ if check_target:
+ if dist_restriction_set and not options.target_dir:
+ raise CommandError(
+ "Can not use any platform or abi specific options unless "
+ "installing via '--target'"
+ )
+
+
+def _path_option_check(option: Option, opt: str, value: str) -> str:
+ return os.path.expanduser(value)
+
+
+def _package_name_option_check(option: Option, opt: str, value: str) -> str:
+ return canonicalize_name(value)
+
+
+class PipOption(Option):
+ TYPES = Option.TYPES + ("path", "package_name")
+ TYPE_CHECKER = Option.TYPE_CHECKER.copy()
+ TYPE_CHECKER["package_name"] = _package_name_option_check
+ TYPE_CHECKER["path"] = _path_option_check
+
+
+###########
+# options #
+###########
+
+help_: Callable[..., Option] = partial(
+ Option,
+ "-h",
+ "--help",
+ dest="help",
+ action="help",
+ help="Show help.",
+)
+
+isolated_mode: Callable[..., Option] = partial(
+ Option,
+ "--isolated",
+ dest="isolated_mode",
+ action="store_true",
+ default=False,
+ help=(
+ "Run pip in an isolated mode, ignoring environment variables and user "
+ "configuration."
+ ),
+)
+
+require_virtualenv: Callable[..., Option] = partial(
+ Option,
+ # Run only if inside a virtualenv, bail if not.
+ "--require-virtualenv",
+ "--require-venv",
+ dest="require_venv",
+ action="store_true",
+ default=False,
+ help=SUPPRESS_HELP,
+)
+
+verbose: Callable[..., Option] = partial(
+ Option,
+ "-v",
+ "--verbose",
+ dest="verbose",
+ action="count",
+ default=0,
+ help="Give more output. Option is additive, and can be used up to 3 times.",
+)
+
+no_color: Callable[..., Option] = partial(
+ Option,
+ "--no-color",
+ dest="no_color",
+ action="store_true",
+ default=False,
+ help="Suppress colored output.",
+)
+
+version: Callable[..., Option] = partial(
+ Option,
+ "-V",
+ "--version",
+ dest="version",
+ action="store_true",
+ help="Show version and exit.",
+)
+
+quiet: Callable[..., Option] = partial(
+ Option,
+ "-q",
+ "--quiet",
+ dest="quiet",
+ action="count",
+ default=0,
+ help=(
+ "Give less output. Option is additive, and can be used up to 3"
+ " times (corresponding to WARNING, ERROR, and CRITICAL logging"
+ " levels)."
+ ),
+)
+
+progress_bar: Callable[..., Option] = partial(
+ Option,
+ "--progress-bar",
+ dest="progress_bar",
+ type="choice",
+ choices=list(BAR_TYPES.keys()),
+ default="on",
+ help=(
+ "Specify type of progress to be displayed ["
+ + "|".join(BAR_TYPES.keys())
+ + "] (default: %default)"
+ ),
+)
+
+log: Callable[..., Option] = partial(
+ PipOption,
+ "--log",
+ "--log-file",
+ "--local-log",
+ dest="log",
+ metavar="path",
+ type="path",
+ help="Path to a verbose appending log.",
+)
+
+no_input: Callable[..., Option] = partial(
+ Option,
+ # Don't ask for input
+ "--no-input",
+ dest="no_input",
+ action="store_true",
+ default=False,
+ help="Disable prompting for input.",
+)
+
+proxy: Callable[..., Option] = partial(
+ Option,
+ "--proxy",
+ dest="proxy",
+ type="str",
+ default="",
+ help="Specify a proxy in the form [user:passwd@]proxy.server:port.",
+)
+
+retries: Callable[..., Option] = partial(
+ Option,
+ "--retries",
+ dest="retries",
+ type="int",
+ default=5,
+ help="Maximum number of retries each connection should attempt "
+ "(default %default times).",
+)
+
+timeout: Callable[..., Option] = partial(
+ Option,
+ "--timeout",
+ "--default-timeout",
+ metavar="sec",
+ dest="timeout",
+ type="float",
+ default=15,
+ help="Set the socket timeout (default %default seconds).",
+)
+
+
+def exists_action() -> Option:
+ return Option(
+ # Option when path already exist
+ "--exists-action",
+ dest="exists_action",
+ type="choice",
+ choices=["s", "i", "w", "b", "a"],
+ default=[],
+ action="append",
+ metavar="action",
+ help="Default action when a path already exists: "
+ "(s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.",
+ )
+
+
+cert: Callable[..., Option] = partial(
+ PipOption,
+ "--cert",
+ dest="cert",
+ type="path",
+ metavar="path",
+ help=(
+ "Path to PEM-encoded CA certificate bundle. "
+ "If provided, overrides the default. "
+ "See 'SSL Certificate Verification' in pip documentation "
+ "for more information."
+ ),
+)
+
+client_cert: Callable[..., Option] = partial(
+ PipOption,
+ "--client-cert",
+ dest="client_cert",
+ type="path",
+ default=None,
+ metavar="path",
+ help="Path to SSL client certificate, a single file containing the "
+ "private key and the certificate in PEM format.",
+)
+
+index_url: Callable[..., Option] = partial(
+ Option,
+ "-i",
+ "--index-url",
+ "--pypi-url",
+ dest="index_url",
+ metavar="URL",
+ default=PyPI.simple_url,
+ help="Base URL of the Python Package Index (default %default). "
+ "This should point to a repository compliant with PEP 503 "
+ "(the simple repository API) or a local directory laid out "
+ "in the same format.",
+)
+
+
+def extra_index_url() -> Option:
+ return Option(
+ "--extra-index-url",
+ dest="extra_index_urls",
+ metavar="URL",
+ action="append",
+ default=[],
+ help="Extra URLs of package indexes to use in addition to "
+ "--index-url. Should follow the same rules as "
+ "--index-url.",
+ )
+
+
+no_index: Callable[..., Option] = partial(
+ Option,
+ "--no-index",
+ dest="no_index",
+ action="store_true",
+ default=False,
+ help="Ignore package index (only looking at --find-links URLs instead).",
+)
+
+
+def find_links() -> Option:
+ return Option(
+ "-f",
+ "--find-links",
+ dest="find_links",
+ action="append",
+ default=[],
+ metavar="url",
+ help="If a URL or path to an html file, then parse for links to "
+ "archives such as sdist (.tar.gz) or wheel (.whl) files. "
+ "If a local path or file:// URL that's a directory, "
+ "then look for archives in the directory listing. "
+ "Links to VCS project URLs are not supported.",
+ )
+
+
+def trusted_host() -> Option:
+ return Option(
+ "--trusted-host",
+ dest="trusted_hosts",
+ action="append",
+ metavar="HOSTNAME",
+ default=[],
+ help="Mark this host or host:port pair as trusted, even though it "
+ "does not have valid or any HTTPS.",
+ )
+
+
+def constraints() -> Option:
+ return Option(
+ "-c",
+ "--constraint",
+ dest="constraints",
+ action="append",
+ default=[],
+ metavar="file",
+ help="Constrain versions using the given constraints file. "
+ "This option can be used multiple times.",
+ )
+
+
+def requirements() -> Option:
+ return Option(
+ "-r",
+ "--requirement",
+ dest="requirements",
+ action="append",
+ default=[],
+ metavar="file",
+ help="Install from the given requirements file. "
+ "This option can be used multiple times.",
+ )
+
+
+def editable() -> Option:
+ return Option(
+ "-e",
+ "--editable",
+ dest="editables",
+ action="append",
+ default=[],
+ metavar="path/url",
+ help=(
+ "Install a project in editable mode (i.e. setuptools "
+ '"develop mode") from a local project path or a VCS url.'
+ ),
+ )
+
+
+def _handle_src(option: Option, opt_str: str, value: str, parser: OptionParser) -> None:
+ value = os.path.abspath(value)
+ setattr(parser.values, option.dest, value)
+
+
+src: Callable[..., Option] = partial(
+ PipOption,
+ "--src",
+ "--source",
+ "--source-dir",
+ "--source-directory",
+ dest="src_dir",
+ type="path",
+ metavar="dir",
+ default=get_src_prefix(),
+ action="callback",
+ callback=_handle_src,
+ help="Directory to check out editable projects into. "
+ 'The default in a virtualenv is "/src". '
+ 'The default for global installs is "/src".',
+)
+
+
+def _get_format_control(values: Values, option: Option) -> Any:
+ """Get a format_control object."""
+ return getattr(values, option.dest)
+
+
+def _handle_no_binary(
+ option: Option, opt_str: str, value: str, parser: OptionParser
+) -> None:
+ existing = _get_format_control(parser.values, option)
+ FormatControl.handle_mutual_excludes(
+ value,
+ existing.no_binary,
+ existing.only_binary,
+ )
+
+
+def _handle_only_binary(
+ option: Option, opt_str: str, value: str, parser: OptionParser
+) -> None:
+ existing = _get_format_control(parser.values, option)
+ FormatControl.handle_mutual_excludes(
+ value,
+ existing.only_binary,
+ existing.no_binary,
+ )
+
+
+def no_binary() -> Option:
+ format_control = FormatControl(set(), set())
+ return Option(
+ "--no-binary",
+ dest="format_control",
+ action="callback",
+ callback=_handle_no_binary,
+ type="str",
+ default=format_control,
+ help="Do not use binary packages. Can be supplied multiple times, and "
+ 'each time adds to the existing value. Accepts either ":all:" to '
+ 'disable all binary packages, ":none:" to empty the set (notice '
+ "the colons), or one or more package names with commas between "
+ "them (no colons). Note that some packages are tricky to compile "
+ "and may fail to install when this option is used on them.",
+ )
+
+
+def only_binary() -> Option:
+ format_control = FormatControl(set(), set())
+ return Option(
+ "--only-binary",
+ dest="format_control",
+ action="callback",
+ callback=_handle_only_binary,
+ type="str",
+ default=format_control,
+ help="Do not use source packages. Can be supplied multiple times, and "
+ 'each time adds to the existing value. Accepts either ":all:" to '
+ 'disable all source packages, ":none:" to empty the set, or one '
+ "or more package names with commas between them. Packages "
+ "without binary distributions will fail to install when this "
+ "option is used on them.",
+ )
+
+
+platforms: Callable[..., Option] = partial(
+ Option,
+ "--platform",
+ dest="platforms",
+ metavar="platform",
+ action="append",
+ default=None,
+ help=(
+ "Only use wheels compatible with . Defaults to the "
+ "platform of the running system. Use this option multiple times to "
+ "specify multiple platforms supported by the target interpreter."
+ ),
+)
+
+
+# This was made a separate function for unit-testing purposes.
+def _convert_python_version(value: str) -> Tuple[Tuple[int, ...], Optional[str]]:
+ """
+ Convert a version string like "3", "37", or "3.7.3" into a tuple of ints.
+
+ :return: A 2-tuple (version_info, error_msg), where `error_msg` is
+ non-None if and only if there was a parsing error.
+ """
+ if not value:
+ # The empty string is the same as not providing a value.
+ return (None, None)
+
+ parts = value.split(".")
+ if len(parts) > 3:
+ return ((), "at most three version parts are allowed")
+
+ if len(parts) == 1:
+ # Then we are in the case of "3" or "37".
+ value = parts[0]
+ if len(value) > 1:
+ parts = [value[0], value[1:]]
+
+ try:
+ version_info = tuple(int(part) for part in parts)
+ except ValueError:
+ return ((), "each version part must be an integer")
+
+ return (version_info, None)
+
+
+def _handle_python_version(
+ option: Option, opt_str: str, value: str, parser: OptionParser
+) -> None:
+ """
+ Handle a provided --python-version value.
+ """
+ version_info, error_msg = _convert_python_version(value)
+ if error_msg is not None:
+ msg = "invalid --python-version value: {!r}: {}".format(
+ value,
+ error_msg,
+ )
+ raise_option_error(parser, option=option, msg=msg)
+
+ parser.values.python_version = version_info
+
+
+python_version: Callable[..., Option] = partial(
+ Option,
+ "--python-version",
+ dest="python_version",
+ metavar="python_version",
+ action="callback",
+ callback=_handle_python_version,
+ type="str",
+ default=None,
+ help=dedent(
+ """\
+ The Python interpreter version to use for wheel and "Requires-Python"
+ compatibility checks. Defaults to a version derived from the running
+ interpreter. The version can be specified using up to three dot-separated
+ integers (e.g. "3" for 3.0.0, "3.7" for 3.7.0, or "3.7.3"). A major-minor
+ version can also be given as a string without dots (e.g. "37" for 3.7.0).
+ """
+ ),
+)
+
+
+implementation: Callable[..., Option] = partial(
+ Option,
+ "--implementation",
+ dest="implementation",
+ metavar="implementation",
+ default=None,
+ help=(
+ "Only use wheels compatible with Python "
+ "implementation , e.g. 'pp', 'jy', 'cp', "
+ " or 'ip'. If not specified, then the current "
+ "interpreter implementation is used. Use 'py' to force "
+ "implementation-agnostic wheels."
+ ),
+)
+
+
+abis: Callable[..., Option] = partial(
+ Option,
+ "--abi",
+ dest="abis",
+ metavar="abi",
+ action="append",
+ default=None,
+ help=(
+ "Only use wheels compatible with Python abi , e.g. 'pypy_41'. "
+ "If not specified, then the current interpreter abi tag is used. "
+ "Use this option multiple times to specify multiple abis supported "
+ "by the target interpreter. Generally you will need to specify "
+ "--implementation, --platform, and --python-version when using this "
+ "option."
+ ),
+)
+
+
+def add_target_python_options(cmd_opts: OptionGroup) -> None:
+ cmd_opts.add_option(platforms())
+ cmd_opts.add_option(python_version())
+ cmd_opts.add_option(implementation())
+ cmd_opts.add_option(abis())
+
+
+def make_target_python(options: Values) -> TargetPython:
+ target_python = TargetPython(
+ platforms=options.platforms,
+ py_version_info=options.python_version,
+ abis=options.abis,
+ implementation=options.implementation,
+ )
+
+ return target_python
+
+
+def prefer_binary() -> Option:
+ return Option(
+ "--prefer-binary",
+ dest="prefer_binary",
+ action="store_true",
+ default=False,
+ help="Prefer older binary packages over newer source packages.",
+ )
+
+
+cache_dir: Callable[..., Option] = partial(
+ PipOption,
+ "--cache-dir",
+ dest="cache_dir",
+ default=USER_CACHE_DIR,
+ metavar="dir",
+ type="path",
+ help="Store the cache data in .",
+)
+
+
+def _handle_no_cache_dir(
+ option: Option, opt: str, value: str, parser: OptionParser
+) -> None:
+ """
+ Process a value provided for the --no-cache-dir option.
+
+ This is an optparse.Option callback for the --no-cache-dir option.
+ """
+ # The value argument will be None if --no-cache-dir is passed via the
+ # command-line, since the option doesn't accept arguments. However,
+ # the value can be non-None if the option is triggered e.g. by an
+ # environment variable, like PIP_NO_CACHE_DIR=true.
+ if value is not None:
+ # Then parse the string value to get argument error-checking.
+ try:
+ strtobool(value)
+ except ValueError as exc:
+ raise_option_error(parser, option=option, msg=str(exc))
+
+ # Originally, setting PIP_NO_CACHE_DIR to a value that strtobool()
+ # converted to 0 (like "false" or "no") caused cache_dir to be disabled
+ # rather than enabled (logic would say the latter). Thus, we disable
+ # the cache directory not just on values that parse to True, but (for
+ # backwards compatibility reasons) also on values that parse to False.
+ # In other words, always set it to False if the option is provided in
+ # some (valid) form.
+ parser.values.cache_dir = False
+
+
+no_cache: Callable[..., Option] = partial(
+ Option,
+ "--no-cache-dir",
+ dest="cache_dir",
+ action="callback",
+ callback=_handle_no_cache_dir,
+ help="Disable the cache.",
+)
+
+no_deps: Callable[..., Option] = partial(
+ Option,
+ "--no-deps",
+ "--no-dependencies",
+ dest="ignore_dependencies",
+ action="store_true",
+ default=False,
+ help="Don't install package dependencies.",
+)
+
+build_dir: Callable[..., Option] = partial(
+ PipOption,
+ "-b",
+ "--build",
+ "--build-dir",
+ "--build-directory",
+ dest="build_dir",
+ type="path",
+ metavar="dir",
+ help=SUPPRESS_HELP,
+)
+
+ignore_requires_python: Callable[..., Option] = partial(
+ Option,
+ "--ignore-requires-python",
+ dest="ignore_requires_python",
+ action="store_true",
+ help="Ignore the Requires-Python information.",
+)
+
+no_build_isolation: Callable[..., Option] = partial(
+ Option,
+ "--no-build-isolation",
+ dest="build_isolation",
+ action="store_false",
+ default=True,
+ help="Disable isolation when building a modern source distribution. "
+ "Build dependencies specified by PEP 518 must be already installed "
+ "if this option is used.",
+)
+
+
+def _handle_no_use_pep517(
+ option: Option, opt: str, value: str, parser: OptionParser
+) -> None:
+ """
+ Process a value provided for the --no-use-pep517 option.
+
+ This is an optparse.Option callback for the no_use_pep517 option.
+ """
+ # Since --no-use-pep517 doesn't accept arguments, the value argument
+ # will be None if --no-use-pep517 is passed via the command-line.
+ # However, the value can be non-None if the option is triggered e.g.
+ # by an environment variable, for example "PIP_NO_USE_PEP517=true".
+ if value is not None:
+ msg = """A value was passed for --no-use-pep517,
+ probably using either the PIP_NO_USE_PEP517 environment variable
+ or the "no-use-pep517" config file option. Use an appropriate value
+ of the PIP_USE_PEP517 environment variable or the "use-pep517"
+ config file option instead.
+ """
+ raise_option_error(parser, option=option, msg=msg)
+
+ # Otherwise, --no-use-pep517 was passed via the command-line.
+ parser.values.use_pep517 = False
+
+
+use_pep517: Any = partial(
+ Option,
+ "--use-pep517",
+ dest="use_pep517",
+ action="store_true",
+ default=None,
+ help="Use PEP 517 for building source distributions "
+ "(use --no-use-pep517 to force legacy behaviour).",
+)
+
+no_use_pep517: Any = partial(
+ Option,
+ "--no-use-pep517",
+ dest="use_pep517",
+ action="callback",
+ callback=_handle_no_use_pep517,
+ default=None,
+ help=SUPPRESS_HELP,
+)
+
+install_options: Callable[..., Option] = partial(
+ Option,
+ "--install-option",
+ dest="install_options",
+ action="append",
+ metavar="options",
+ help="Extra arguments to be supplied to the setup.py install "
+ 'command (use like --install-option="--install-scripts=/usr/local/'
+ 'bin"). Use multiple --install-option options to pass multiple '
+ "options to setup.py install. If you are using an option with a "
+ "directory path, be sure to use absolute path.",
+)
+
+build_options: Callable[..., Option] = partial(
+ Option,
+ "--build-option",
+ dest="build_options",
+ metavar="options",
+ action="append",
+ help="Extra arguments to be supplied to 'setup.py bdist_wheel'.",
+)
+
+global_options: Callable[..., Option] = partial(
+ Option,
+ "--global-option",
+ dest="global_options",
+ action="append",
+ metavar="options",
+ help="Extra global options to be supplied to the setup.py "
+ "call before the install or bdist_wheel command.",
+)
+
+no_clean: Callable[..., Option] = partial(
+ Option,
+ "--no-clean",
+ action="store_true",
+ default=False,
+ help="Don't clean up build directories.",
+)
+
+pre: Callable[..., Option] = partial(
+ Option,
+ "--pre",
+ action="store_true",
+ default=False,
+ help="Include pre-release and development versions. By default, "
+ "pip only finds stable versions.",
+)
+
+disable_pip_version_check: Callable[..., Option] = partial(
+ Option,
+ "--disable-pip-version-check",
+ dest="disable_pip_version_check",
+ action="store_true",
+ default=False,
+ help="Don't periodically check PyPI to determine whether a new version "
+ "of pip is available for download. Implied with --no-index.",
+)
+
+
+def _handle_merge_hash(
+ option: Option, opt_str: str, value: str, parser: OptionParser
+) -> None:
+ """Given a value spelled "algo:digest", append the digest to a list
+ pointed to in a dict by the algo name."""
+ if not parser.values.hashes:
+ parser.values.hashes = {}
+ try:
+ algo, digest = value.split(":", 1)
+ except ValueError:
+ parser.error(
+ "Arguments to {} must be a hash name " # noqa
+ "followed by a value, like --hash=sha256:"
+ "abcde...".format(opt_str)
+ )
+ if algo not in STRONG_HASHES:
+ parser.error(
+ "Allowed hash algorithms for {} are {}.".format( # noqa
+ opt_str, ", ".join(STRONG_HASHES)
+ )
+ )
+ parser.values.hashes.setdefault(algo, []).append(digest)
+
+
+hash: Callable[..., Option] = partial(
+ Option,
+ "--hash",
+ # Hash values eventually end up in InstallRequirement.hashes due to
+ # __dict__ copying in process_line().
+ dest="hashes",
+ action="callback",
+ callback=_handle_merge_hash,
+ type="string",
+ help="Verify that the package's archive matches this "
+ "hash before installing. Example: --hash=sha256:abcdef...",
+)
+
+
+require_hashes: Callable[..., Option] = partial(
+ Option,
+ "--require-hashes",
+ dest="require_hashes",
+ action="store_true",
+ default=False,
+ help="Require a hash to check each requirement against, for "
+ "repeatable installs. This option is implied when any package in a "
+ "requirements file has a --hash option.",
+)
+
+
+list_path: Callable[..., Option] = partial(
+ PipOption,
+ "--path",
+ dest="path",
+ type="path",
+ action="append",
+ help="Restrict to the specified installation path for listing "
+ "packages (can be used multiple times).",
+)
+
+
+def check_list_path_option(options: Values) -> None:
+ if options.path and (options.user or options.local):
+ raise CommandError("Cannot combine '--path' with '--user' or '--local'")
+
+
+list_exclude: Callable[..., Option] = partial(
+ PipOption,
+ "--exclude",
+ dest="excludes",
+ action="append",
+ metavar="package",
+ type="package_name",
+ help="Exclude specified package from the output",
+)
+
+
+no_python_version_warning: Callable[..., Option] = partial(
+ Option,
+ "--no-python-version-warning",
+ dest="no_python_version_warning",
+ action="store_true",
+ default=False,
+ help="Silence deprecation warnings for upcoming unsupported Pythons.",
+)
+
+
+use_new_feature: Callable[..., Option] = partial(
+ Option,
+ "--use-feature",
+ dest="features_enabled",
+ metavar="feature",
+ action="append",
+ default=[],
+ choices=["2020-resolver", "fast-deps", "in-tree-build"],
+ help="Enable new functionality, that may be backward incompatible.",
+)
+
+use_deprecated_feature: Callable[..., Option] = partial(
+ Option,
+ "--use-deprecated",
+ dest="deprecated_features_enabled",
+ metavar="feature",
+ action="append",
+ default=[],
+ choices=["legacy-resolver"],
+ help=("Enable deprecated functionality, that will be removed in the future."),
+)
+
+
+##########
+# groups #
+##########
+
+general_group: Dict[str, Any] = {
+ "name": "General Options",
+ "options": [
+ help_,
+ isolated_mode,
+ require_virtualenv,
+ verbose,
+ version,
+ quiet,
+ log,
+ no_input,
+ proxy,
+ retries,
+ timeout,
+ exists_action,
+ trusted_host,
+ cert,
+ client_cert,
+ cache_dir,
+ no_cache,
+ disable_pip_version_check,
+ no_color,
+ no_python_version_warning,
+ use_new_feature,
+ use_deprecated_feature,
+ ],
+}
+
+index_group: Dict[str, Any] = {
+ "name": "Package Index Options",
+ "options": [
+ index_url,
+ extra_index_url,
+ no_index,
+ find_links,
+ ],
+}
diff --git a/Scripts/Lib/site-packages/pip/_internal/cli/command_context.py b/Scripts/Lib/site-packages/pip/_internal/cli/command_context.py
new file mode 100644
index 0000000..ed68322
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/cli/command_context.py
@@ -0,0 +1,27 @@
+from contextlib import ExitStack, contextmanager
+from typing import ContextManager, Iterator, TypeVar
+
+_T = TypeVar("_T", covariant=True)
+
+
+class CommandContextMixIn:
+ def __init__(self) -> None:
+ super().__init__()
+ self._in_main_context = False
+ self._main_context = ExitStack()
+
+ @contextmanager
+ def main_context(self) -> Iterator[None]:
+ assert not self._in_main_context
+
+ self._in_main_context = True
+ try:
+ with self._main_context:
+ yield
+ finally:
+ self._in_main_context = False
+
+ def enter_context(self, context_provider: ContextManager[_T]) -> _T:
+ assert self._in_main_context
+
+ return self._main_context.enter_context(context_provider)
diff --git a/Scripts/Lib/site-packages/pip/_internal/cli/main.py b/Scripts/Lib/site-packages/pip/_internal/cli/main.py
new file mode 100644
index 0000000..0e31221
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/cli/main.py
@@ -0,0 +1,70 @@
+"""Primary application entrypoint.
+"""
+import locale
+import logging
+import os
+import sys
+from typing import List, Optional
+
+from pip._internal.cli.autocompletion import autocomplete
+from pip._internal.cli.main_parser import parse_command
+from pip._internal.commands import create_command
+from pip._internal.exceptions import PipError
+from pip._internal.utils import deprecation
+
+logger = logging.getLogger(__name__)
+
+
+# Do not import and use main() directly! Using it directly is actively
+# discouraged by pip's maintainers. The name, location and behavior of
+# this function is subject to change, so calling it directly is not
+# portable across different pip versions.
+
+# In addition, running pip in-process is unsupported and unsafe. This is
+# elaborated in detail at
+# https://pip.pypa.io/en/stable/user_guide/#using-pip-from-your-program.
+# That document also provides suggestions that should work for nearly
+# all users that are considering importing and using main() directly.
+
+# However, we know that certain users will still want to invoke pip
+# in-process. If you understand and accept the implications of using pip
+# in an unsupported manner, the best approach is to use runpy to avoid
+# depending on the exact location of this entry point.
+
+# The following example shows how to use runpy to invoke pip in that
+# case:
+#
+# sys.argv = ["pip", your, args, here]
+# runpy.run_module("pip", run_name="__main__")
+#
+# Note that this will exit the process after running, unlike a direct
+# call to main. As it is not safe to do any processing after calling
+# main, this should not be an issue in practice.
+
+
+def main(args: Optional[List[str]] = None) -> int:
+ if args is None:
+ args = sys.argv[1:]
+
+ # Configure our deprecation warnings to be sent through loggers
+ deprecation.install_warning_logger()
+
+ autocomplete()
+
+ try:
+ cmd_name, cmd_args = parse_command(args)
+ except PipError as exc:
+ sys.stderr.write(f"ERROR: {exc}")
+ sys.stderr.write(os.linesep)
+ sys.exit(1)
+
+ # Needed for locale.getpreferredencoding(False) to work
+ # in pip._internal.utils.encoding.auto_decode
+ try:
+ locale.setlocale(locale.LC_ALL, "")
+ except locale.Error as e:
+ # setlocale can apparently crash if locale are uninitialized
+ logger.debug("Ignoring error %s when setting locale", e)
+ command = create_command(cmd_name, isolated=("--isolated" in cmd_args))
+
+ return command.main(cmd_args)
diff --git a/Scripts/Lib/site-packages/pip/_internal/cli/main_parser.py b/Scripts/Lib/site-packages/pip/_internal/cli/main_parser.py
new file mode 100644
index 0000000..3666ab0
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/cli/main_parser.py
@@ -0,0 +1,87 @@
+"""A single place for constructing and exposing the main parser
+"""
+
+import os
+import sys
+from typing import List, Tuple
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.parser import ConfigOptionParser, UpdatingDefaultsHelpFormatter
+from pip._internal.commands import commands_dict, get_similar_commands
+from pip._internal.exceptions import CommandError
+from pip._internal.utils.misc import get_pip_version, get_prog
+
+__all__ = ["create_main_parser", "parse_command"]
+
+
+def create_main_parser() -> ConfigOptionParser:
+ """Creates and returns the main parser for pip's CLI"""
+
+ parser = ConfigOptionParser(
+ usage="\n%prog [options]",
+ add_help_option=False,
+ formatter=UpdatingDefaultsHelpFormatter(),
+ name="global",
+ prog=get_prog(),
+ )
+ parser.disable_interspersed_args()
+
+ parser.version = get_pip_version()
+
+ # add the general options
+ gen_opts = cmdoptions.make_option_group(cmdoptions.general_group, parser)
+ parser.add_option_group(gen_opts)
+
+ # so the help formatter knows
+ parser.main = True # type: ignore
+
+ # create command listing for description
+ description = [""] + [
+ f"{name:27} {command_info.summary}"
+ for name, command_info in commands_dict.items()
+ ]
+ parser.description = "\n".join(description)
+
+ return parser
+
+
+def parse_command(args: List[str]) -> Tuple[str, List[str]]:
+ parser = create_main_parser()
+
+ # Note: parser calls disable_interspersed_args(), so the result of this
+ # call is to split the initial args into the general options before the
+ # subcommand and everything else.
+ # For example:
+ # args: ['--timeout=5', 'install', '--user', 'INITools']
+ # general_options: ['--timeout==5']
+ # args_else: ['install', '--user', 'INITools']
+ general_options, args_else = parser.parse_args(args)
+
+ # --version
+ if general_options.version:
+ sys.stdout.write(parser.version)
+ sys.stdout.write(os.linesep)
+ sys.exit()
+
+ # pip || pip help -> print_help()
+ if not args_else or (args_else[0] == "help" and len(args_else) == 1):
+ parser.print_help()
+ sys.exit()
+
+ # the subcommand name
+ cmd_name = args_else[0]
+
+ if cmd_name not in commands_dict:
+ guess = get_similar_commands(cmd_name)
+
+ msg = [f'unknown command "{cmd_name}"']
+ if guess:
+ msg.append(f'maybe you meant "{guess}"')
+
+ raise CommandError(" - ".join(msg))
+
+ # all the args without the subcommand
+ cmd_args = args[:]
+ cmd_args.remove(cmd_name)
+
+ return cmd_name, cmd_args
diff --git a/Scripts/Lib/site-packages/pip/_internal/cli/parser.py b/Scripts/Lib/site-packages/pip/_internal/cli/parser.py
new file mode 100644
index 0000000..a1c99a8
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/cli/parser.py
@@ -0,0 +1,292 @@
+"""Base option parser setup"""
+
+import logging
+import optparse
+import shutil
+import sys
+import textwrap
+from contextlib import suppress
+from typing import Any, Dict, Iterator, List, Tuple
+
+from pip._internal.cli.status_codes import UNKNOWN_ERROR
+from pip._internal.configuration import Configuration, ConfigurationError
+from pip._internal.utils.misc import redact_auth_from_url, strtobool
+
+logger = logging.getLogger(__name__)
+
+
+class PrettyHelpFormatter(optparse.IndentedHelpFormatter):
+ """A prettier/less verbose help formatter for optparse."""
+
+ def __init__(self, *args: Any, **kwargs: Any) -> None:
+ # help position must be aligned with __init__.parseopts.description
+ kwargs["max_help_position"] = 30
+ kwargs["indent_increment"] = 1
+ kwargs["width"] = shutil.get_terminal_size()[0] - 2
+ super().__init__(*args, **kwargs)
+
+ def format_option_strings(self, option: optparse.Option) -> str:
+ return self._format_option_strings(option)
+
+ def _format_option_strings(
+ self, option: optparse.Option, mvarfmt: str = " <{}>", optsep: str = ", "
+ ) -> str:
+ """
+ Return a comma-separated list of option strings and metavars.
+
+ :param option: tuple of (short opt, long opt), e.g: ('-f', '--format')
+ :param mvarfmt: metavar format string
+ :param optsep: separator
+ """
+ opts = []
+
+ if option._short_opts:
+ opts.append(option._short_opts[0])
+ if option._long_opts:
+ opts.append(option._long_opts[0])
+ if len(opts) > 1:
+ opts.insert(1, optsep)
+
+ if option.takes_value():
+ assert option.dest is not None
+ metavar = option.metavar or option.dest.lower()
+ opts.append(mvarfmt.format(metavar.lower()))
+
+ return "".join(opts)
+
+ def format_heading(self, heading: str) -> str:
+ if heading == "Options":
+ return ""
+ return heading + ":\n"
+
+ def format_usage(self, usage: str) -> str:
+ """
+ Ensure there is only one newline between usage and the first heading
+ if there is no description.
+ """
+ msg = "\nUsage: {}\n".format(self.indent_lines(textwrap.dedent(usage), " "))
+ return msg
+
+ def format_description(self, description: str) -> str:
+ # leave full control over description to us
+ if description:
+ if hasattr(self.parser, "main"):
+ label = "Commands"
+ else:
+ label = "Description"
+ # some doc strings have initial newlines, some don't
+ description = description.lstrip("\n")
+ # some doc strings have final newlines and spaces, some don't
+ description = description.rstrip()
+ # dedent, then reindent
+ description = self.indent_lines(textwrap.dedent(description), " ")
+ description = f"{label}:\n{description}\n"
+ return description
+ else:
+ return ""
+
+ def format_epilog(self, epilog: str) -> str:
+ # leave full control over epilog to us
+ if epilog:
+ return epilog
+ else:
+ return ""
+
+ def indent_lines(self, text: str, indent: str) -> str:
+ new_lines = [indent + line for line in text.split("\n")]
+ return "\n".join(new_lines)
+
+
+class UpdatingDefaultsHelpFormatter(PrettyHelpFormatter):
+ """Custom help formatter for use in ConfigOptionParser.
+
+ This is updates the defaults before expanding them, allowing
+ them to show up correctly in the help listing.
+
+ Also redact auth from url type options
+ """
+
+ def expand_default(self, option: optparse.Option) -> str:
+ default_values = None
+ if self.parser is not None:
+ assert isinstance(self.parser, ConfigOptionParser)
+ self.parser._update_defaults(self.parser.defaults)
+ assert option.dest is not None
+ default_values = self.parser.defaults.get(option.dest)
+ help_text = super().expand_default(option)
+
+ if default_values and option.metavar == "URL":
+ if isinstance(default_values, str):
+ default_values = [default_values]
+
+ # If its not a list, we should abort and just return the help text
+ if not isinstance(default_values, list):
+ default_values = []
+
+ for val in default_values:
+ help_text = help_text.replace(val, redact_auth_from_url(val))
+
+ return help_text
+
+
+class CustomOptionParser(optparse.OptionParser):
+ def insert_option_group(
+ self, idx: int, *args: Any, **kwargs: Any
+ ) -> optparse.OptionGroup:
+ """Insert an OptionGroup at a given position."""
+ group = self.add_option_group(*args, **kwargs)
+
+ self.option_groups.pop()
+ self.option_groups.insert(idx, group)
+
+ return group
+
+ @property
+ def option_list_all(self) -> List[optparse.Option]:
+ """Get a list of all options, including those in option groups."""
+ res = self.option_list[:]
+ for i in self.option_groups:
+ res.extend(i.option_list)
+
+ return res
+
+
+class ConfigOptionParser(CustomOptionParser):
+ """Custom option parser which updates its defaults by checking the
+ configuration files and environmental variables"""
+
+ def __init__(
+ self,
+ *args: Any,
+ name: str,
+ isolated: bool = False,
+ **kwargs: Any,
+ ) -> None:
+ self.name = name
+ self.config = Configuration(isolated)
+
+ assert self.name
+ super().__init__(*args, **kwargs)
+
+ def check_default(self, option: optparse.Option, key: str, val: Any) -> Any:
+ try:
+ return option.check_value(key, val)
+ except optparse.OptionValueError as exc:
+ print(f"An error occurred during configuration: {exc}")
+ sys.exit(3)
+
+ def _get_ordered_configuration_items(self) -> Iterator[Tuple[str, Any]]:
+ # Configuration gives keys in an unordered manner. Order them.
+ override_order = ["global", self.name, ":env:"]
+
+ # Pool the options into different groups
+ section_items: Dict[str, List[Tuple[str, Any]]] = {
+ name: [] for name in override_order
+ }
+ for section_key, val in self.config.items():
+ # ignore empty values
+ if not val:
+ logger.debug(
+ "Ignoring configuration key '%s' as it's value is empty.",
+ section_key,
+ )
+ continue
+
+ section, key = section_key.split(".", 1)
+ if section in override_order:
+ section_items[section].append((key, val))
+
+ # Yield each group in their override order
+ for section in override_order:
+ for key, val in section_items[section]:
+ yield key, val
+
+ def _update_defaults(self, defaults: Dict[str, Any]) -> Dict[str, Any]:
+ """Updates the given defaults with values from the config files and
+ the environ. Does a little special handling for certain types of
+ options (lists)."""
+
+ # Accumulate complex default state.
+ self.values = optparse.Values(self.defaults)
+ late_eval = set()
+ # Then set the options with those values
+ for key, val in self._get_ordered_configuration_items():
+ # '--' because configuration supports only long names
+ option = self.get_option("--" + key)
+
+ # Ignore options not present in this parser. E.g. non-globals put
+ # in [global] by users that want them to apply to all applicable
+ # commands.
+ if option is None:
+ continue
+
+ assert option.dest is not None
+
+ if option.action in ("store_true", "store_false"):
+ try:
+ val = strtobool(val)
+ except ValueError:
+ self.error(
+ "{} is not a valid value for {} option, " # noqa
+ "please specify a boolean value like yes/no, "
+ "true/false or 1/0 instead.".format(val, key)
+ )
+ elif option.action == "count":
+ with suppress(ValueError):
+ val = strtobool(val)
+ with suppress(ValueError):
+ val = int(val)
+ if not isinstance(val, int) or val < 0:
+ self.error(
+ "{} is not a valid value for {} option, " # noqa
+ "please instead specify either a non-negative integer "
+ "or a boolean value like yes/no or false/true "
+ "which is equivalent to 1/0.".format(val, key)
+ )
+ elif option.action == "append":
+ val = val.split()
+ val = [self.check_default(option, key, v) for v in val]
+ elif option.action == "callback":
+ assert option.callback is not None
+ late_eval.add(option.dest)
+ opt_str = option.get_opt_string()
+ val = option.convert_value(opt_str, val)
+ # From take_action
+ args = option.callback_args or ()
+ kwargs = option.callback_kwargs or {}
+ option.callback(option, opt_str, val, self, *args, **kwargs)
+ else:
+ val = self.check_default(option, key, val)
+
+ defaults[option.dest] = val
+
+ for key in late_eval:
+ defaults[key] = getattr(self.values, key)
+ self.values = None
+ return defaults
+
+ def get_default_values(self) -> optparse.Values:
+ """Overriding to make updating the defaults after instantiation of
+ the option parser possible, _update_defaults() does the dirty work."""
+ if not self.process_default_values:
+ # Old, pre-Optik 1.5 behaviour.
+ return optparse.Values(self.defaults)
+
+ # Load the configuration, or error out in case of an error
+ try:
+ self.config.load()
+ except ConfigurationError as err:
+ self.exit(UNKNOWN_ERROR, str(err))
+
+ defaults = self._update_defaults(self.defaults.copy()) # ours
+ for option in self._get_all_options():
+ assert option.dest is not None
+ default = defaults.get(option.dest)
+ if isinstance(default, str):
+ opt_str = option.get_opt_string()
+ defaults[option.dest] = option.check_value(opt_str, default)
+ return optparse.Values(defaults)
+
+ def error(self, msg: str) -> None:
+ self.print_usage(sys.stderr)
+ self.exit(UNKNOWN_ERROR, f"{msg}\n")
diff --git a/Scripts/Lib/site-packages/pip/_internal/cli/progress_bars.py b/Scripts/Lib/site-packages/pip/_internal/cli/progress_bars.py
new file mode 100644
index 0000000..f3db295
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/cli/progress_bars.py
@@ -0,0 +1,250 @@
+import itertools
+import sys
+from signal import SIGINT, default_int_handler, signal
+from typing import Any
+
+from pip._vendor.progress.bar import Bar, FillingCirclesBar, IncrementalBar
+from pip._vendor.progress.spinner import Spinner
+
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.logging import get_indentation
+from pip._internal.utils.misc import format_size
+
+try:
+ from pip._vendor import colorama
+# Lots of different errors can come from this, including SystemError and
+# ImportError.
+except Exception:
+ colorama = None
+
+
+def _select_progress_class(preferred: Bar, fallback: Bar) -> Bar:
+ encoding = getattr(preferred.file, "encoding", None)
+
+ # If we don't know what encoding this file is in, then we'll just assume
+ # that it doesn't support unicode and use the ASCII bar.
+ if not encoding:
+ return fallback
+
+ # Collect all of the possible characters we want to use with the preferred
+ # bar.
+ characters = [
+ getattr(preferred, "empty_fill", ""),
+ getattr(preferred, "fill", ""),
+ ]
+ characters += list(getattr(preferred, "phases", []))
+
+ # Try to decode the characters we're using for the bar using the encoding
+ # of the given file, if this works then we'll assume that we can use the
+ # fancier bar and if not we'll fall back to the plaintext bar.
+ try:
+ "".join(characters).encode(encoding)
+ except UnicodeEncodeError:
+ return fallback
+ else:
+ return preferred
+
+
+_BaseBar: Any = _select_progress_class(IncrementalBar, Bar)
+
+
+class InterruptibleMixin:
+ """
+ Helper to ensure that self.finish() gets called on keyboard interrupt.
+
+ This allows downloads to be interrupted without leaving temporary state
+ (like hidden cursors) behind.
+
+ This class is similar to the progress library's existing SigIntMixin
+ helper, but as of version 1.2, that helper has the following problems:
+
+ 1. It calls sys.exit().
+ 2. It discards the existing SIGINT handler completely.
+ 3. It leaves its own handler in place even after an uninterrupted finish,
+ which will have unexpected delayed effects if the user triggers an
+ unrelated keyboard interrupt some time after a progress-displaying
+ download has already completed, for example.
+ """
+
+ def __init__(self, *args: Any, **kwargs: Any) -> None:
+ """
+ Save the original SIGINT handler for later.
+ """
+ # https://github.com/python/mypy/issues/5887
+ super().__init__(*args, **kwargs) # type: ignore
+
+ self.original_handler = signal(SIGINT, self.handle_sigint)
+
+ # If signal() returns None, the previous handler was not installed from
+ # Python, and we cannot restore it. This probably should not happen,
+ # but if it does, we must restore something sensible instead, at least.
+ # The least bad option should be Python's default SIGINT handler, which
+ # just raises KeyboardInterrupt.
+ if self.original_handler is None:
+ self.original_handler = default_int_handler
+
+ def finish(self) -> None:
+ """
+ Restore the original SIGINT handler after finishing.
+
+ This should happen regardless of whether the progress display finishes
+ normally, or gets interrupted.
+ """
+ super().finish() # type: ignore
+ signal(SIGINT, self.original_handler)
+
+ def handle_sigint(self, signum, frame): # type: ignore
+ """
+ Call self.finish() before delegating to the original SIGINT handler.
+
+ This handler should only be in place while the progress display is
+ active.
+ """
+ self.finish()
+ self.original_handler(signum, frame)
+
+
+class SilentBar(Bar):
+ def update(self) -> None:
+ pass
+
+
+class BlueEmojiBar(IncrementalBar):
+
+ suffix = "%(percent)d%%"
+ bar_prefix = " "
+ bar_suffix = " "
+ phases = ("\U0001F539", "\U0001F537", "\U0001F535")
+
+
+class DownloadProgressMixin:
+ def __init__(self, *args: Any, **kwargs: Any) -> None:
+ # https://github.com/python/mypy/issues/5887
+ super().__init__(*args, **kwargs) # type: ignore
+ self.message: str = (" " * (get_indentation() + 2)) + self.message
+
+ @property
+ def downloaded(self) -> str:
+ return format_size(self.index) # type: ignore
+
+ @property
+ def download_speed(self) -> str:
+ # Avoid zero division errors...
+ if self.avg == 0.0: # type: ignore
+ return "..."
+ return format_size(1 / self.avg) + "/s" # type: ignore
+
+ @property
+ def pretty_eta(self) -> str:
+ if self.eta: # type: ignore
+ return f"eta {self.eta_td}" # type: ignore
+ return ""
+
+ def iter(self, it): # type: ignore
+ for x in it:
+ yield x
+ # B305 is incorrectly raised here
+ # https://github.com/PyCQA/flake8-bugbear/issues/59
+ self.next(len(x)) # noqa: B305
+ self.finish()
+
+
+class WindowsMixin:
+ def __init__(self, *args: Any, **kwargs: Any) -> None:
+ # The Windows terminal does not support the hide/show cursor ANSI codes
+ # even with colorama. So we'll ensure that hide_cursor is False on
+ # Windows.
+ # This call needs to go before the super() call, so that hide_cursor
+ # is set in time. The base progress bar class writes the "hide cursor"
+ # code to the terminal in its init, so if we don't set this soon
+ # enough, we get a "hide" with no corresponding "show"...
+ if WINDOWS and self.hide_cursor: # type: ignore
+ self.hide_cursor = False
+
+ # https://github.com/python/mypy/issues/5887
+ super().__init__(*args, **kwargs) # type: ignore
+
+ # Check if we are running on Windows and we have the colorama module,
+ # if we do then wrap our file with it.
+ if WINDOWS and colorama:
+ self.file = colorama.AnsiToWin32(self.file) # type: ignore
+ # The progress code expects to be able to call self.file.isatty()
+ # but the colorama.AnsiToWin32() object doesn't have that, so we'll
+ # add it.
+ self.file.isatty = lambda: self.file.wrapped.isatty()
+ # The progress code expects to be able to call self.file.flush()
+ # but the colorama.AnsiToWin32() object doesn't have that, so we'll
+ # add it.
+ self.file.flush = lambda: self.file.wrapped.flush()
+
+
+class BaseDownloadProgressBar(WindowsMixin, InterruptibleMixin, DownloadProgressMixin):
+
+ file = sys.stdout
+ message = "%(percent)d%%"
+ suffix = "%(downloaded)s %(download_speed)s %(pretty_eta)s"
+
+
+class DefaultDownloadProgressBar(BaseDownloadProgressBar, _BaseBar):
+ pass
+
+
+class DownloadSilentBar(BaseDownloadProgressBar, SilentBar):
+ pass
+
+
+class DownloadBar(BaseDownloadProgressBar, Bar):
+ pass
+
+
+class DownloadFillingCirclesBar(BaseDownloadProgressBar, FillingCirclesBar):
+ pass
+
+
+class DownloadBlueEmojiProgressBar(BaseDownloadProgressBar, BlueEmojiBar):
+ pass
+
+
+class DownloadProgressSpinner(
+ WindowsMixin, InterruptibleMixin, DownloadProgressMixin, Spinner
+):
+
+ file = sys.stdout
+ suffix = "%(downloaded)s %(download_speed)s"
+
+ def next_phase(self) -> str:
+ if not hasattr(self, "_phaser"):
+ self._phaser = itertools.cycle(self.phases)
+ return next(self._phaser)
+
+ def update(self) -> None:
+ message = self.message % self
+ phase = self.next_phase()
+ suffix = self.suffix % self
+ line = "".join(
+ [
+ message,
+ " " if message else "",
+ phase,
+ " " if suffix else "",
+ suffix,
+ ]
+ )
+
+ self.writeln(line)
+
+
+BAR_TYPES = {
+ "off": (DownloadSilentBar, DownloadSilentBar),
+ "on": (DefaultDownloadProgressBar, DownloadProgressSpinner),
+ "ascii": (DownloadBar, DownloadProgressSpinner),
+ "pretty": (DownloadFillingCirclesBar, DownloadProgressSpinner),
+ "emoji": (DownloadBlueEmojiProgressBar, DownloadProgressSpinner),
+}
+
+
+def DownloadProgressProvider(progress_bar, max=None): # type: ignore
+ if max is None or max == 0:
+ return BAR_TYPES[progress_bar][1]().iter
+ else:
+ return BAR_TYPES[progress_bar][0](max=max).iter
diff --git a/Scripts/Lib/site-packages/pip/_internal/cli/req_command.py b/Scripts/Lib/site-packages/pip/_internal/cli/req_command.py
new file mode 100644
index 0000000..4129bf7
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/cli/req_command.py
@@ -0,0 +1,453 @@
+"""Contains the Command base classes that depend on PipSession.
+
+The classes in this module are in a separate module so the commands not
+needing download / PackageFinder capability don't unnecessarily import the
+PackageFinder machinery and all its vendored dependencies, etc.
+"""
+
+import logging
+import os
+import sys
+from functools import partial
+from optparse import Values
+from typing import Any, List, Optional, Tuple
+
+from pip._internal.cache import WheelCache
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.command_context import CommandContextMixIn
+from pip._internal.exceptions import CommandError, PreviousBuildDirError
+from pip._internal.index.collector import LinkCollector
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.models.selection_prefs import SelectionPreferences
+from pip._internal.models.target_python import TargetPython
+from pip._internal.network.session import PipSession
+from pip._internal.operations.prepare import RequirementPreparer
+from pip._internal.req.constructors import (
+ install_req_from_editable,
+ install_req_from_line,
+ install_req_from_parsed_requirement,
+ install_req_from_req_string,
+)
+from pip._internal.req.req_file import parse_requirements
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.req.req_tracker import RequirementTracker
+from pip._internal.resolution.base import BaseResolver
+from pip._internal.self_outdated_check import pip_self_version_check
+from pip._internal.utils.temp_dir import (
+ TempDirectory,
+ TempDirectoryTypeRegistry,
+ tempdir_kinds,
+)
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+logger = logging.getLogger(__name__)
+
+
+class SessionCommandMixin(CommandContextMixIn):
+
+ """
+ A class mixin for command classes needing _build_session().
+ """
+
+ def __init__(self) -> None:
+ super().__init__()
+ self._session: Optional[PipSession] = None
+
+ @classmethod
+ def _get_index_urls(cls, options: Values) -> Optional[List[str]]:
+ """Return a list of index urls from user-provided options."""
+ index_urls = []
+ if not getattr(options, "no_index", False):
+ url = getattr(options, "index_url", None)
+ if url:
+ index_urls.append(url)
+ urls = getattr(options, "extra_index_urls", None)
+ if urls:
+ index_urls.extend(urls)
+ # Return None rather than an empty list
+ return index_urls or None
+
+ def get_default_session(self, options: Values) -> PipSession:
+ """Get a default-managed session."""
+ if self._session is None:
+ self._session = self.enter_context(self._build_session(options))
+ # there's no type annotation on requests.Session, so it's
+ # automatically ContextManager[Any] and self._session becomes Any,
+ # then https://github.com/python/mypy/issues/7696 kicks in
+ assert self._session is not None
+ return self._session
+
+ def _build_session(
+ self,
+ options: Values,
+ retries: Optional[int] = None,
+ timeout: Optional[int] = None,
+ ) -> PipSession:
+ assert not options.cache_dir or os.path.isabs(options.cache_dir)
+ session = PipSession(
+ cache=(
+ os.path.join(options.cache_dir, "http") if options.cache_dir else None
+ ),
+ retries=retries if retries is not None else options.retries,
+ trusted_hosts=options.trusted_hosts,
+ index_urls=self._get_index_urls(options),
+ )
+
+ # Handle custom ca-bundles from the user
+ if options.cert:
+ session.verify = options.cert
+
+ # Handle SSL client certificate
+ if options.client_cert:
+ session.cert = options.client_cert
+
+ # Handle timeouts
+ if options.timeout or timeout:
+ session.timeout = timeout if timeout is not None else options.timeout
+
+ # Handle configured proxies
+ if options.proxy:
+ session.proxies = {
+ "http": options.proxy,
+ "https": options.proxy,
+ }
+
+ # Determine if we can prompt the user for authentication or not
+ session.auth.prompting = not options.no_input
+
+ return session
+
+
+class IndexGroupCommand(Command, SessionCommandMixin):
+
+ """
+ Abstract base class for commands with the index_group options.
+
+ This also corresponds to the commands that permit the pip version check.
+ """
+
+ def handle_pip_version_check(self, options: Values) -> None:
+ """
+ Do the pip version check if not disabled.
+
+ This overrides the default behavior of not doing the check.
+ """
+ # Make sure the index_group options are present.
+ assert hasattr(options, "no_index")
+
+ if options.disable_pip_version_check or options.no_index:
+ return
+
+ # Otherwise, check if we're using the latest version of pip available.
+ session = self._build_session(
+ options, retries=0, timeout=min(5, options.timeout)
+ )
+ with session:
+ pip_self_version_check(session, options)
+
+
+KEEPABLE_TEMPDIR_TYPES = [
+ tempdir_kinds.BUILD_ENV,
+ tempdir_kinds.EPHEM_WHEEL_CACHE,
+ tempdir_kinds.REQ_BUILD,
+]
+
+
+def warn_if_run_as_root() -> None:
+ """Output a warning for sudo users on Unix.
+
+ In a virtual environment, sudo pip still writes to virtualenv.
+ On Windows, users may run pip as Administrator without issues.
+ This warning only applies to Unix root users outside of virtualenv.
+ """
+ if running_under_virtualenv():
+ return
+ if not hasattr(os, "getuid"):
+ return
+ # On Windows, there are no "system managed" Python packages. Installing as
+ # Administrator via pip is the correct way of updating system environments.
+ #
+ # We choose sys.platform over utils.compat.WINDOWS here to enable Mypy platform
+ # checks: https://mypy.readthedocs.io/en/stable/common_issues.html
+ if sys.platform == "win32" or sys.platform == "cygwin":
+ return
+ if sys.platform == "darwin" or sys.platform == "linux":
+ if os.getuid() != 0:
+ return
+ logger.warning(
+ "Running pip as the 'root' user can result in broken permissions and "
+ "conflicting behaviour with the system package manager. "
+ "It is recommended to use a virtual environment instead: "
+ "https://pip.pypa.io/warnings/venv"
+ )
+
+
+def with_cleanup(func: Any) -> Any:
+ """Decorator for common logic related to managing temporary
+ directories.
+ """
+
+ def configure_tempdir_registry(registry: TempDirectoryTypeRegistry) -> None:
+ for t in KEEPABLE_TEMPDIR_TYPES:
+ registry.set_delete(t, False)
+
+ def wrapper(
+ self: RequirementCommand, options: Values, args: List[Any]
+ ) -> Optional[int]:
+ assert self.tempdir_registry is not None
+ if options.no_clean:
+ configure_tempdir_registry(self.tempdir_registry)
+
+ try:
+ return func(self, options, args)
+ except PreviousBuildDirError:
+ # This kind of conflict can occur when the user passes an explicit
+ # build directory with a pre-existing folder. In that case we do
+ # not want to accidentally remove it.
+ configure_tempdir_registry(self.tempdir_registry)
+ raise
+
+ return wrapper
+
+
+class RequirementCommand(IndexGroupCommand):
+ def __init__(self, *args: Any, **kw: Any) -> None:
+ super().__init__(*args, **kw)
+
+ self.cmd_opts.add_option(cmdoptions.no_clean())
+
+ @staticmethod
+ def determine_resolver_variant(options: Values) -> str:
+ """Determines which resolver should be used, based on the given options."""
+ if "legacy-resolver" in options.deprecated_features_enabled:
+ return "legacy"
+
+ return "2020-resolver"
+
+ @classmethod
+ def make_requirement_preparer(
+ cls,
+ temp_build_dir: TempDirectory,
+ options: Values,
+ req_tracker: RequirementTracker,
+ session: PipSession,
+ finder: PackageFinder,
+ use_user_site: bool,
+ download_dir: Optional[str] = None,
+ ) -> RequirementPreparer:
+ """
+ Create a RequirementPreparer instance for the given parameters.
+ """
+ temp_build_dir_path = temp_build_dir.path
+ assert temp_build_dir_path is not None
+
+ resolver_variant = cls.determine_resolver_variant(options)
+ if resolver_variant == "2020-resolver":
+ lazy_wheel = "fast-deps" in options.features_enabled
+ if lazy_wheel:
+ logger.warning(
+ "pip is using lazily downloaded wheels using HTTP "
+ "range requests to obtain dependency information. "
+ "This experimental feature is enabled through "
+ "--use-feature=fast-deps and it is not ready for "
+ "production."
+ )
+ else:
+ lazy_wheel = False
+ if "fast-deps" in options.features_enabled:
+ logger.warning(
+ "fast-deps has no effect when used with the legacy resolver."
+ )
+
+ return RequirementPreparer(
+ build_dir=temp_build_dir_path,
+ src_dir=options.src_dir,
+ download_dir=download_dir,
+ build_isolation=options.build_isolation,
+ req_tracker=req_tracker,
+ session=session,
+ progress_bar=options.progress_bar,
+ finder=finder,
+ require_hashes=options.require_hashes,
+ use_user_site=use_user_site,
+ lazy_wheel=lazy_wheel,
+ in_tree_build="in-tree-build" in options.features_enabled,
+ )
+
+ @classmethod
+ def make_resolver(
+ cls,
+ preparer: RequirementPreparer,
+ finder: PackageFinder,
+ options: Values,
+ wheel_cache: Optional[WheelCache] = None,
+ use_user_site: bool = False,
+ ignore_installed: bool = True,
+ ignore_requires_python: bool = False,
+ force_reinstall: bool = False,
+ upgrade_strategy: str = "to-satisfy-only",
+ use_pep517: Optional[bool] = None,
+ py_version_info: Optional[Tuple[int, ...]] = None,
+ ) -> BaseResolver:
+ """
+ Create a Resolver instance for the given parameters.
+ """
+ make_install_req = partial(
+ install_req_from_req_string,
+ isolated=options.isolated_mode,
+ use_pep517=use_pep517,
+ )
+ resolver_variant = cls.determine_resolver_variant(options)
+ # The long import name and duplicated invocation is needed to convince
+ # Mypy into correctly typechecking. Otherwise it would complain the
+ # "Resolver" class being redefined.
+ if resolver_variant == "2020-resolver":
+ import pip._internal.resolution.resolvelib.resolver
+
+ return pip._internal.resolution.resolvelib.resolver.Resolver(
+ preparer=preparer,
+ finder=finder,
+ wheel_cache=wheel_cache,
+ make_install_req=make_install_req,
+ use_user_site=use_user_site,
+ ignore_dependencies=options.ignore_dependencies,
+ ignore_installed=ignore_installed,
+ ignore_requires_python=ignore_requires_python,
+ force_reinstall=force_reinstall,
+ upgrade_strategy=upgrade_strategy,
+ py_version_info=py_version_info,
+ )
+ import pip._internal.resolution.legacy.resolver
+
+ return pip._internal.resolution.legacy.resolver.Resolver(
+ preparer=preparer,
+ finder=finder,
+ wheel_cache=wheel_cache,
+ make_install_req=make_install_req,
+ use_user_site=use_user_site,
+ ignore_dependencies=options.ignore_dependencies,
+ ignore_installed=ignore_installed,
+ ignore_requires_python=ignore_requires_python,
+ force_reinstall=force_reinstall,
+ upgrade_strategy=upgrade_strategy,
+ py_version_info=py_version_info,
+ )
+
+ def get_requirements(
+ self,
+ args: List[str],
+ options: Values,
+ finder: PackageFinder,
+ session: PipSession,
+ ) -> List[InstallRequirement]:
+ """
+ Parse command-line arguments into the corresponding requirements.
+ """
+ requirements: List[InstallRequirement] = []
+ for filename in options.constraints:
+ for parsed_req in parse_requirements(
+ filename,
+ constraint=True,
+ finder=finder,
+ options=options,
+ session=session,
+ ):
+ req_to_add = install_req_from_parsed_requirement(
+ parsed_req,
+ isolated=options.isolated_mode,
+ user_supplied=False,
+ )
+ requirements.append(req_to_add)
+
+ for req in args:
+ req_to_add = install_req_from_line(
+ req,
+ None,
+ isolated=options.isolated_mode,
+ use_pep517=options.use_pep517,
+ user_supplied=True,
+ )
+ requirements.append(req_to_add)
+
+ for req in options.editables:
+ req_to_add = install_req_from_editable(
+ req,
+ user_supplied=True,
+ isolated=options.isolated_mode,
+ use_pep517=options.use_pep517,
+ )
+ requirements.append(req_to_add)
+
+ # NOTE: options.require_hashes may be set if --require-hashes is True
+ for filename in options.requirements:
+ for parsed_req in parse_requirements(
+ filename, finder=finder, options=options, session=session
+ ):
+ req_to_add = install_req_from_parsed_requirement(
+ parsed_req,
+ isolated=options.isolated_mode,
+ use_pep517=options.use_pep517,
+ user_supplied=True,
+ )
+ requirements.append(req_to_add)
+
+ # If any requirement has hash options, enable hash checking.
+ if any(req.has_hash_options for req in requirements):
+ options.require_hashes = True
+
+ if not (args or options.editables or options.requirements):
+ opts = {"name": self.name}
+ if options.find_links:
+ raise CommandError(
+ "You must give at least one requirement to {name} "
+ '(maybe you meant "pip {name} {links}"?)'.format(
+ **dict(opts, links=" ".join(options.find_links))
+ )
+ )
+ else:
+ raise CommandError(
+ "You must give at least one requirement to {name} "
+ '(see "pip help {name}")'.format(**opts)
+ )
+
+ return requirements
+
+ @staticmethod
+ def trace_basic_info(finder: PackageFinder) -> None:
+ """
+ Trace basic information about the provided objects.
+ """
+ # Display where finder is looking for packages
+ search_scope = finder.search_scope
+ locations = search_scope.get_formatted_locations()
+ if locations:
+ logger.info(locations)
+
+ def _build_package_finder(
+ self,
+ options: Values,
+ session: PipSession,
+ target_python: Optional[TargetPython] = None,
+ ignore_requires_python: Optional[bool] = None,
+ ) -> PackageFinder:
+ """
+ Create a package finder appropriate to this requirement command.
+
+ :param ignore_requires_python: Whether to ignore incompatible
+ "Requires-Python" values in links. Defaults to False.
+ """
+ link_collector = LinkCollector.create(session, options=options)
+ selection_prefs = SelectionPreferences(
+ allow_yanked=True,
+ format_control=options.format_control,
+ allow_all_prereleases=options.pre,
+ prefer_binary=options.prefer_binary,
+ ignore_requires_python=ignore_requires_python,
+ )
+
+ return PackageFinder.create(
+ link_collector=link_collector,
+ selection_prefs=selection_prefs,
+ target_python=target_python,
+ )
diff --git a/Scripts/Lib/site-packages/pip/_internal/cli/spinners.py b/Scripts/Lib/site-packages/pip/_internal/cli/spinners.py
new file mode 100644
index 0000000..1e313e1
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/cli/spinners.py
@@ -0,0 +1,157 @@
+import contextlib
+import itertools
+import logging
+import sys
+import time
+from typing import IO, Iterator
+
+from pip._vendor.progress import HIDE_CURSOR, SHOW_CURSOR
+
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.logging import get_indentation
+
+logger = logging.getLogger(__name__)
+
+
+class SpinnerInterface:
+ def spin(self) -> None:
+ raise NotImplementedError()
+
+ def finish(self, final_status: str) -> None:
+ raise NotImplementedError()
+
+
+class InteractiveSpinner(SpinnerInterface):
+ def __init__(
+ self,
+ message: str,
+ file: IO[str] = None,
+ spin_chars: str = "-\\|/",
+ # Empirically, 8 updates/second looks nice
+ min_update_interval_seconds: float = 0.125,
+ ):
+ self._message = message
+ if file is None:
+ file = sys.stdout
+ self._file = file
+ self._rate_limiter = RateLimiter(min_update_interval_seconds)
+ self._finished = False
+
+ self._spin_cycle = itertools.cycle(spin_chars)
+
+ self._file.write(" " * get_indentation() + self._message + " ... ")
+ self._width = 0
+
+ def _write(self, status: str) -> None:
+ assert not self._finished
+ # Erase what we wrote before by backspacing to the beginning, writing
+ # spaces to overwrite the old text, and then backspacing again
+ backup = "\b" * self._width
+ self._file.write(backup + " " * self._width + backup)
+ # Now we have a blank slate to add our status
+ self._file.write(status)
+ self._width = len(status)
+ self._file.flush()
+ self._rate_limiter.reset()
+
+ def spin(self) -> None:
+ if self._finished:
+ return
+ if not self._rate_limiter.ready():
+ return
+ self._write(next(self._spin_cycle))
+
+ def finish(self, final_status: str) -> None:
+ if self._finished:
+ return
+ self._write(final_status)
+ self._file.write("\n")
+ self._file.flush()
+ self._finished = True
+
+
+# Used for dumb terminals, non-interactive installs (no tty), etc.
+# We still print updates occasionally (once every 60 seconds by default) to
+# act as a keep-alive for systems like Travis-CI that take lack-of-output as
+# an indication that a task has frozen.
+class NonInteractiveSpinner(SpinnerInterface):
+ def __init__(self, message: str, min_update_interval_seconds: float = 60.0) -> None:
+ self._message = message
+ self._finished = False
+ self._rate_limiter = RateLimiter(min_update_interval_seconds)
+ self._update("started")
+
+ def _update(self, status: str) -> None:
+ assert not self._finished
+ self._rate_limiter.reset()
+ logger.info("%s: %s", self._message, status)
+
+ def spin(self) -> None:
+ if self._finished:
+ return
+ if not self._rate_limiter.ready():
+ return
+ self._update("still running...")
+
+ def finish(self, final_status: str) -> None:
+ if self._finished:
+ return
+ self._update(f"finished with status '{final_status}'")
+ self._finished = True
+
+
+class RateLimiter:
+ def __init__(self, min_update_interval_seconds: float) -> None:
+ self._min_update_interval_seconds = min_update_interval_seconds
+ self._last_update: float = 0
+
+ def ready(self) -> bool:
+ now = time.time()
+ delta = now - self._last_update
+ return delta >= self._min_update_interval_seconds
+
+ def reset(self) -> None:
+ self._last_update = time.time()
+
+
+@contextlib.contextmanager
+def open_spinner(message: str) -> Iterator[SpinnerInterface]:
+ # Interactive spinner goes directly to sys.stdout rather than being routed
+ # through the logging system, but it acts like it has level INFO,
+ # i.e. it's only displayed if we're at level INFO or better.
+ # Non-interactive spinner goes through the logging system, so it is always
+ # in sync with logging configuration.
+ if sys.stdout.isatty() and logger.getEffectiveLevel() <= logging.INFO:
+ spinner: SpinnerInterface = InteractiveSpinner(message)
+ else:
+ spinner = NonInteractiveSpinner(message)
+ try:
+ with hidden_cursor(sys.stdout):
+ yield spinner
+ except KeyboardInterrupt:
+ spinner.finish("canceled")
+ raise
+ except Exception:
+ spinner.finish("error")
+ raise
+ else:
+ spinner.finish("done")
+
+
+@contextlib.contextmanager
+def hidden_cursor(file: IO[str]) -> Iterator[None]:
+ # The Windows terminal does not support the hide/show cursor ANSI codes,
+ # even via colorama. So don't even try.
+ if WINDOWS:
+ yield
+ # We don't want to clutter the output with control characters if we're
+ # writing to a file, or if the user is running with --quiet.
+ # See https://github.com/pypa/pip/issues/3418
+ elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO:
+ yield
+ else:
+ file.write(HIDE_CURSOR)
+ try:
+ yield
+ finally:
+ file.write(SHOW_CURSOR)
diff --git a/Scripts/Lib/site-packages/pip/_internal/cli/status_codes.py b/Scripts/Lib/site-packages/pip/_internal/cli/status_codes.py
new file mode 100644
index 0000000..5e29502
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/cli/status_codes.py
@@ -0,0 +1,6 @@
+SUCCESS = 0
+ERROR = 1
+UNKNOWN_ERROR = 2
+VIRTUALENV_NOT_FOUND = 3
+PREVIOUS_BUILD_DIR_ERROR = 4
+NO_MATCHES_FOUND = 23
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/__init__.py b/Scripts/Lib/site-packages/pip/_internal/commands/__init__.py
new file mode 100644
index 0000000..8e94b38
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/__init__.py
@@ -0,0 +1,112 @@
+"""
+Package containing all pip commands
+"""
+
+import importlib
+from collections import OrderedDict, namedtuple
+from typing import Any, Dict, Optional
+
+from pip._internal.cli.base_command import Command
+
+CommandInfo = namedtuple('CommandInfo', 'module_path, class_name, summary')
+
+# The ordering matters for help display.
+# Also, even though the module path starts with the same
+# "pip._internal.commands" prefix in each case, we include the full path
+# because it makes testing easier (specifically when modifying commands_dict
+# in test setup / teardown by adding info for a FakeCommand class defined
+# in a test-related module).
+# Finally, we need to pass an iterable of pairs here rather than a dict
+# so that the ordering won't be lost when using Python 2.7.
+commands_dict: Dict[str, CommandInfo] = OrderedDict([
+ ('install', CommandInfo(
+ 'pip._internal.commands.install', 'InstallCommand',
+ 'Install packages.',
+ )),
+ ('download', CommandInfo(
+ 'pip._internal.commands.download', 'DownloadCommand',
+ 'Download packages.',
+ )),
+ ('uninstall', CommandInfo(
+ 'pip._internal.commands.uninstall', 'UninstallCommand',
+ 'Uninstall packages.',
+ )),
+ ('freeze', CommandInfo(
+ 'pip._internal.commands.freeze', 'FreezeCommand',
+ 'Output installed packages in requirements format.',
+ )),
+ ('list', CommandInfo(
+ 'pip._internal.commands.list', 'ListCommand',
+ 'List installed packages.',
+ )),
+ ('show', CommandInfo(
+ 'pip._internal.commands.show', 'ShowCommand',
+ 'Show information about installed packages.',
+ )),
+ ('check', CommandInfo(
+ 'pip._internal.commands.check', 'CheckCommand',
+ 'Verify installed packages have compatible dependencies.',
+ )),
+ ('config', CommandInfo(
+ 'pip._internal.commands.configuration', 'ConfigurationCommand',
+ 'Manage local and global configuration.',
+ )),
+ ('search', CommandInfo(
+ 'pip._internal.commands.search', 'SearchCommand',
+ 'Search PyPI for packages.',
+ )),
+ ('cache', CommandInfo(
+ 'pip._internal.commands.cache', 'CacheCommand',
+ "Inspect and manage pip's wheel cache.",
+ )),
+ ('index', CommandInfo(
+ 'pip._internal.commands.index', 'IndexCommand',
+ "Inspect information available from package indexes.",
+ )),
+ ('wheel', CommandInfo(
+ 'pip._internal.commands.wheel', 'WheelCommand',
+ 'Build wheels from your requirements.',
+ )),
+ ('hash', CommandInfo(
+ 'pip._internal.commands.hash', 'HashCommand',
+ 'Compute hashes of package archives.',
+ )),
+ ('completion', CommandInfo(
+ 'pip._internal.commands.completion', 'CompletionCommand',
+ 'A helper command used for command completion.',
+ )),
+ ('debug', CommandInfo(
+ 'pip._internal.commands.debug', 'DebugCommand',
+ 'Show information useful for debugging.',
+ )),
+ ('help', CommandInfo(
+ 'pip._internal.commands.help', 'HelpCommand',
+ 'Show help for commands.',
+ )),
+])
+
+
+def create_command(name: str, **kwargs: Any) -> Command:
+ """
+ Create an instance of the Command class with the given name.
+ """
+ module_path, class_name, summary = commands_dict[name]
+ module = importlib.import_module(module_path)
+ command_class = getattr(module, class_name)
+ command = command_class(name=name, summary=summary, **kwargs)
+
+ return command
+
+
+def get_similar_commands(name: str) -> Optional[str]:
+ """Command name auto-correct."""
+ from difflib import get_close_matches
+
+ name = name.lower()
+
+ close_commands = get_close_matches(name, commands_dict.keys())
+
+ if close_commands:
+ return close_commands[0]
+ else:
+ return None
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diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/cache.py b/Scripts/Lib/site-packages/pip/_internal/commands/cache.py
new file mode 100644
index 0000000..3a5bb9c
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/cache.py
@@ -0,0 +1,216 @@
+import os
+import textwrap
+from optparse import Values
+from typing import Any, List
+
+import pip._internal.utils.filesystem as filesystem
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.exceptions import CommandError, PipError
+from pip._internal.utils.logging import getLogger
+
+logger = getLogger(__name__)
+
+
+class CacheCommand(Command):
+ """
+ Inspect and manage pip's wheel cache.
+
+ Subcommands:
+
+ - dir: Show the cache directory.
+ - info: Show information about the cache.
+ - list: List filenames of packages stored in the cache.
+ - remove: Remove one or more package from the cache.
+ - purge: Remove all items from the cache.
+
+ ```` can be a glob expression or a package name.
+ """
+
+ ignore_require_venv = True
+ usage = """
+ %prog dir
+ %prog info
+ %prog list [] [--format=[human, abspath]]
+ %prog remove
+ %prog purge
+ """
+
+ def add_options(self) -> None:
+
+ self.cmd_opts.add_option(
+ '--format',
+ action='store',
+ dest='list_format',
+ default="human",
+ choices=('human', 'abspath'),
+ help="Select the output format among: human (default) or abspath"
+ )
+
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options: Values, args: List[Any]) -> int:
+ handlers = {
+ "dir": self.get_cache_dir,
+ "info": self.get_cache_info,
+ "list": self.list_cache_items,
+ "remove": self.remove_cache_items,
+ "purge": self.purge_cache,
+ }
+
+ if not options.cache_dir:
+ logger.error("pip cache commands can not "
+ "function since cache is disabled.")
+ return ERROR
+
+ # Determine action
+ if not args or args[0] not in handlers:
+ logger.error(
+ "Need an action (%s) to perform.",
+ ", ".join(sorted(handlers)),
+ )
+ return ERROR
+
+ action = args[0]
+
+ # Error handling happens here, not in the action-handlers.
+ try:
+ handlers[action](options, args[1:])
+ except PipError as e:
+ logger.error(e.args[0])
+ return ERROR
+
+ return SUCCESS
+
+ def get_cache_dir(self, options: Values, args: List[Any]) -> None:
+ if args:
+ raise CommandError('Too many arguments')
+
+ logger.info(options.cache_dir)
+
+ def get_cache_info(self, options: Values, args: List[Any]) -> None:
+ if args:
+ raise CommandError('Too many arguments')
+
+ num_http_files = len(self._find_http_files(options))
+ num_packages = len(self._find_wheels(options, '*'))
+
+ http_cache_location = self._cache_dir(options, 'http')
+ wheels_cache_location = self._cache_dir(options, 'wheels')
+ http_cache_size = filesystem.format_directory_size(http_cache_location)
+ wheels_cache_size = filesystem.format_directory_size(
+ wheels_cache_location
+ )
+
+ message = textwrap.dedent("""
+ Package index page cache location: {http_cache_location}
+ Package index page cache size: {http_cache_size}
+ Number of HTTP files: {num_http_files}
+ Wheels location: {wheels_cache_location}
+ Wheels size: {wheels_cache_size}
+ Number of wheels: {package_count}
+ """).format(
+ http_cache_location=http_cache_location,
+ http_cache_size=http_cache_size,
+ num_http_files=num_http_files,
+ wheels_cache_location=wheels_cache_location,
+ package_count=num_packages,
+ wheels_cache_size=wheels_cache_size,
+ ).strip()
+
+ logger.info(message)
+
+ def list_cache_items(self, options: Values, args: List[Any]) -> None:
+ if len(args) > 1:
+ raise CommandError('Too many arguments')
+
+ if args:
+ pattern = args[0]
+ else:
+ pattern = '*'
+
+ files = self._find_wheels(options, pattern)
+ if options.list_format == 'human':
+ self.format_for_human(files)
+ else:
+ self.format_for_abspath(files)
+
+ def format_for_human(self, files: List[str]) -> None:
+ if not files:
+ logger.info('Nothing cached.')
+ return
+
+ results = []
+ for filename in files:
+ wheel = os.path.basename(filename)
+ size = filesystem.format_file_size(filename)
+ results.append(f' - {wheel} ({size})')
+ logger.info('Cache contents:\n')
+ logger.info('\n'.join(sorted(results)))
+
+ def format_for_abspath(self, files: List[str]) -> None:
+ if not files:
+ return
+
+ results = []
+ for filename in files:
+ results.append(filename)
+
+ logger.info('\n'.join(sorted(results)))
+
+ def remove_cache_items(self, options: Values, args: List[Any]) -> None:
+ if len(args) > 1:
+ raise CommandError('Too many arguments')
+
+ if not args:
+ raise CommandError('Please provide a pattern')
+
+ files = self._find_wheels(options, args[0])
+
+ # Only fetch http files if no specific pattern given
+ if args[0] == '*':
+ files += self._find_http_files(options)
+
+ if not files:
+ raise CommandError('No matching packages')
+
+ for filename in files:
+ os.unlink(filename)
+ logger.verbose("Removed %s", filename)
+ logger.info("Files removed: %s", len(files))
+
+ def purge_cache(self, options: Values, args: List[Any]) -> None:
+ if args:
+ raise CommandError('Too many arguments')
+
+ return self.remove_cache_items(options, ['*'])
+
+ def _cache_dir(self, options: Values, subdir: str) -> str:
+ return os.path.join(options.cache_dir, subdir)
+
+ def _find_http_files(self, options: Values) -> List[str]:
+ http_dir = self._cache_dir(options, 'http')
+ return filesystem.find_files(http_dir, '*')
+
+ def _find_wheels(self, options: Values, pattern: str) -> List[str]:
+ wheel_dir = self._cache_dir(options, 'wheels')
+
+ # The wheel filename format, as specified in PEP 427, is:
+ # {distribution}-{version}(-{build})?-{python}-{abi}-{platform}.whl
+ #
+ # Additionally, non-alphanumeric values in the distribution are
+ # normalized to underscores (_), meaning hyphens can never occur
+ # before `-{version}`.
+ #
+ # Given that information:
+ # - If the pattern we're given contains a hyphen (-), the user is
+ # providing at least the version. Thus, we can just append `*.whl`
+ # to match the rest of it.
+ # - If the pattern we're given doesn't contain a hyphen (-), the
+ # user is only providing the name. Thus, we append `-*.whl` to
+ # match the hyphen before the version, followed by anything else.
+ #
+ # PEP 427: https://www.python.org/dev/peps/pep-0427/
+ pattern = pattern + ("*.whl" if "-" in pattern else "-*.whl")
+
+ return filesystem.find_files(wheel_dir, pattern)
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/check.py b/Scripts/Lib/site-packages/pip/_internal/commands/check.py
new file mode 100644
index 0000000..f9412a7
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/check.py
@@ -0,0 +1,47 @@
+import logging
+from optparse import Values
+from typing import Any, List
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.operations.check import (
+ check_package_set,
+ create_package_set_from_installed,
+)
+from pip._internal.utils.misc import write_output
+
+logger = logging.getLogger(__name__)
+
+
+class CheckCommand(Command):
+ """Verify installed packages have compatible dependencies."""
+
+ usage = """
+ %prog [options]"""
+
+ def run(self, options: Values, args: List[Any]) -> int:
+
+ package_set, parsing_probs = create_package_set_from_installed()
+ missing, conflicting = check_package_set(package_set)
+
+ for project_name in missing:
+ version = package_set[project_name].version
+ for dependency in missing[project_name]:
+ write_output(
+ "%s %s requires %s, which is not installed.",
+ project_name, version, dependency[0],
+ )
+
+ for project_name in conflicting:
+ version = package_set[project_name].version
+ for dep_name, dep_version, req in conflicting[project_name]:
+ write_output(
+ "%s %s has requirement %s, but you have %s %s.",
+ project_name, version, req, dep_name, dep_version,
+ )
+
+ if missing or conflicting or parsing_probs:
+ return ERROR
+ else:
+ write_output("No broken requirements found.")
+ return SUCCESS
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/completion.py b/Scripts/Lib/site-packages/pip/_internal/commands/completion.py
new file mode 100644
index 0000000..9ce7888
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/completion.py
@@ -0,0 +1,91 @@
+import sys
+import textwrap
+from optparse import Values
+from typing import List
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.utils.misc import get_prog
+
+BASE_COMPLETION = """
+# pip {shell} completion start{script}# pip {shell} completion end
+"""
+
+COMPLETION_SCRIPTS = {
+ 'bash': """
+ _pip_completion()
+ {{
+ COMPREPLY=( $( COMP_WORDS="${{COMP_WORDS[*]}}" \\
+ COMP_CWORD=$COMP_CWORD \\
+ PIP_AUTO_COMPLETE=1 $1 2>/dev/null ) )
+ }}
+ complete -o default -F _pip_completion {prog}
+ """,
+ 'zsh': """
+ function _pip_completion {{
+ local words cword
+ read -Ac words
+ read -cn cword
+ reply=( $( COMP_WORDS="$words[*]" \\
+ COMP_CWORD=$(( cword-1 )) \\
+ PIP_AUTO_COMPLETE=1 $words[1] 2>/dev/null ))
+ }}
+ compctl -K _pip_completion {prog}
+ """,
+ 'fish': """
+ function __fish_complete_pip
+ set -lx COMP_WORDS (commandline -o) ""
+ set -lx COMP_CWORD ( \\
+ math (contains -i -- (commandline -t) $COMP_WORDS)-1 \\
+ )
+ set -lx PIP_AUTO_COMPLETE 1
+ string split \\ -- (eval $COMP_WORDS[1])
+ end
+ complete -fa "(__fish_complete_pip)" -c {prog}
+ """,
+}
+
+
+class CompletionCommand(Command):
+ """A helper command to be used for command completion."""
+
+ ignore_require_venv = True
+
+ def add_options(self) -> None:
+ self.cmd_opts.add_option(
+ '--bash', '-b',
+ action='store_const',
+ const='bash',
+ dest='shell',
+ help='Emit completion code for bash')
+ self.cmd_opts.add_option(
+ '--zsh', '-z',
+ action='store_const',
+ const='zsh',
+ dest='shell',
+ help='Emit completion code for zsh')
+ self.cmd_opts.add_option(
+ '--fish', '-f',
+ action='store_const',
+ const='fish',
+ dest='shell',
+ help='Emit completion code for fish')
+
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options: Values, args: List[str]) -> int:
+ """Prints the completion code of the given shell"""
+ shells = COMPLETION_SCRIPTS.keys()
+ shell_options = ['--' + shell for shell in sorted(shells)]
+ if options.shell in shells:
+ script = textwrap.dedent(
+ COMPLETION_SCRIPTS.get(options.shell, '').format(
+ prog=get_prog())
+ )
+ print(BASE_COMPLETION.format(script=script, shell=options.shell))
+ return SUCCESS
+ else:
+ sys.stderr.write(
+ 'ERROR: You must pass {}\n' .format(' or '.join(shell_options))
+ )
+ return SUCCESS
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/configuration.py b/Scripts/Lib/site-packages/pip/_internal/commands/configuration.py
new file mode 100644
index 0000000..6e47b87
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/configuration.py
@@ -0,0 +1,266 @@
+import logging
+import os
+import subprocess
+from optparse import Values
+from typing import Any, List, Optional
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.configuration import (
+ Configuration,
+ Kind,
+ get_configuration_files,
+ kinds,
+)
+from pip._internal.exceptions import PipError
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import get_prog, write_output
+
+logger = logging.getLogger(__name__)
+
+
+class ConfigurationCommand(Command):
+ """
+ Manage local and global configuration.
+
+ Subcommands:
+
+ - list: List the active configuration (or from the file specified)
+ - edit: Edit the configuration file in an editor
+ - get: Get the value associated with name
+ - set: Set the name=value
+ - unset: Unset the value associated with name
+ - debug: List the configuration files and values defined under them
+
+ If none of --user, --global and --site are passed, a virtual
+ environment configuration file is used if one is active and the file
+ exists. Otherwise, all modifications happen on the to the user file by
+ default.
+ """
+
+ ignore_require_venv = True
+ usage = """
+ %prog [] list
+ %prog [] [--editor ] edit
+
+ %prog [] get name
+ %prog [] set name value
+ %prog [] unset name
+ %prog [] debug
+ """
+
+ def add_options(self) -> None:
+ self.cmd_opts.add_option(
+ '--editor',
+ dest='editor',
+ action='store',
+ default=None,
+ help=(
+ 'Editor to use to edit the file. Uses VISUAL or EDITOR '
+ 'environment variables if not provided.'
+ )
+ )
+
+ self.cmd_opts.add_option(
+ '--global',
+ dest='global_file',
+ action='store_true',
+ default=False,
+ help='Use the system-wide configuration file only'
+ )
+
+ self.cmd_opts.add_option(
+ '--user',
+ dest='user_file',
+ action='store_true',
+ default=False,
+ help='Use the user configuration file only'
+ )
+
+ self.cmd_opts.add_option(
+ '--site',
+ dest='site_file',
+ action='store_true',
+ default=False,
+ help='Use the current environment configuration file only'
+ )
+
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options: Values, args: List[str]) -> int:
+ handlers = {
+ "list": self.list_values,
+ "edit": self.open_in_editor,
+ "get": self.get_name,
+ "set": self.set_name_value,
+ "unset": self.unset_name,
+ "debug": self.list_config_values,
+ }
+
+ # Determine action
+ if not args or args[0] not in handlers:
+ logger.error(
+ "Need an action (%s) to perform.",
+ ", ".join(sorted(handlers)),
+ )
+ return ERROR
+
+ action = args[0]
+
+ # Determine which configuration files are to be loaded
+ # Depends on whether the command is modifying.
+ try:
+ load_only = self._determine_file(
+ options, need_value=(action in ["get", "set", "unset", "edit"])
+ )
+ except PipError as e:
+ logger.error(e.args[0])
+ return ERROR
+
+ # Load a new configuration
+ self.configuration = Configuration(
+ isolated=options.isolated_mode, load_only=load_only
+ )
+ self.configuration.load()
+
+ # Error handling happens here, not in the action-handlers.
+ try:
+ handlers[action](options, args[1:])
+ except PipError as e:
+ logger.error(e.args[0])
+ return ERROR
+
+ return SUCCESS
+
+ def _determine_file(self, options: Values, need_value: bool) -> Optional[Kind]:
+ file_options = [key for key, value in (
+ (kinds.USER, options.user_file),
+ (kinds.GLOBAL, options.global_file),
+ (kinds.SITE, options.site_file),
+ ) if value]
+
+ if not file_options:
+ if not need_value:
+ return None
+ # Default to user, unless there's a site file.
+ elif any(
+ os.path.exists(site_config_file)
+ for site_config_file in get_configuration_files()[kinds.SITE]
+ ):
+ return kinds.SITE
+ else:
+ return kinds.USER
+ elif len(file_options) == 1:
+ return file_options[0]
+
+ raise PipError(
+ "Need exactly one file to operate upon "
+ "(--user, --site, --global) to perform."
+ )
+
+ def list_values(self, options: Values, args: List[str]) -> None:
+ self._get_n_args(args, "list", n=0)
+
+ for key, value in sorted(self.configuration.items()):
+ write_output("%s=%r", key, value)
+
+ def get_name(self, options: Values, args: List[str]) -> None:
+ key = self._get_n_args(args, "get [name]", n=1)
+ value = self.configuration.get_value(key)
+
+ write_output("%s", value)
+
+ def set_name_value(self, options: Values, args: List[str]) -> None:
+ key, value = self._get_n_args(args, "set [name] [value]", n=2)
+ self.configuration.set_value(key, value)
+
+ self._save_configuration()
+
+ def unset_name(self, options: Values, args: List[str]) -> None:
+ key = self._get_n_args(args, "unset [name]", n=1)
+ self.configuration.unset_value(key)
+
+ self._save_configuration()
+
+ def list_config_values(self, options: Values, args: List[str]) -> None:
+ """List config key-value pairs across different config files"""
+ self._get_n_args(args, "debug", n=0)
+
+ self.print_env_var_values()
+ # Iterate over config files and print if they exist, and the
+ # key-value pairs present in them if they do
+ for variant, files in sorted(self.configuration.iter_config_files()):
+ write_output("%s:", variant)
+ for fname in files:
+ with indent_log():
+ file_exists = os.path.exists(fname)
+ write_output("%s, exists: %r",
+ fname, file_exists)
+ if file_exists:
+ self.print_config_file_values(variant)
+
+ def print_config_file_values(self, variant: Kind) -> None:
+ """Get key-value pairs from the file of a variant"""
+ for name, value in self.configuration.\
+ get_values_in_config(variant).items():
+ with indent_log():
+ write_output("%s: %s", name, value)
+
+ def print_env_var_values(self) -> None:
+ """Get key-values pairs present as environment variables"""
+ write_output("%s:", 'env_var')
+ with indent_log():
+ for key, value in sorted(self.configuration.get_environ_vars()):
+ env_var = f'PIP_{key.upper()}'
+ write_output("%s=%r", env_var, value)
+
+ def open_in_editor(self, options: Values, args: List[str]) -> None:
+ editor = self._determine_editor(options)
+
+ fname = self.configuration.get_file_to_edit()
+ if fname is None:
+ raise PipError("Could not determine appropriate file.")
+
+ try:
+ subprocess.check_call([editor, fname])
+ except subprocess.CalledProcessError as e:
+ raise PipError(
+ "Editor Subprocess exited with exit code {}"
+ .format(e.returncode)
+ )
+
+ def _get_n_args(self, args: List[str], example: str, n: int) -> Any:
+ """Helper to make sure the command got the right number of arguments
+ """
+ if len(args) != n:
+ msg = (
+ 'Got unexpected number of arguments, expected {}. '
+ '(example: "{} config {}")'
+ ).format(n, get_prog(), example)
+ raise PipError(msg)
+
+ if n == 1:
+ return args[0]
+ else:
+ return args
+
+ def _save_configuration(self) -> None:
+ # We successfully ran a modifying command. Need to save the
+ # configuration.
+ try:
+ self.configuration.save()
+ except Exception:
+ logger.exception(
+ "Unable to save configuration. Please report this as a bug."
+ )
+ raise PipError("Internal Error.")
+
+ def _determine_editor(self, options: Values) -> str:
+ if options.editor is not None:
+ return options.editor
+ elif "VISUAL" in os.environ:
+ return os.environ["VISUAL"]
+ elif "EDITOR" in os.environ:
+ return os.environ["EDITOR"]
+ else:
+ raise PipError("Could not determine editor to use.")
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/debug.py b/Scripts/Lib/site-packages/pip/_internal/commands/debug.py
new file mode 100644
index 0000000..b316b67
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/debug.py
@@ -0,0 +1,204 @@
+import locale
+import logging
+import os
+import sys
+from optparse import Values
+from types import ModuleType
+from typing import Any, Dict, List, Optional
+
+import pip._vendor
+from pip._vendor.certifi import where
+from pip._vendor.packaging.version import parse as parse_version
+
+from pip import __file__ as pip_location
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.cmdoptions import make_target_python
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.configuration import Configuration
+from pip._internal.metadata import get_environment
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import get_pip_version
+
+logger = logging.getLogger(__name__)
+
+
+def show_value(name: str, value: Any) -> None:
+ logger.info('%s: %s', name, value)
+
+
+def show_sys_implementation() -> None:
+ logger.info('sys.implementation:')
+ implementation_name = sys.implementation.name
+ with indent_log():
+ show_value('name', implementation_name)
+
+
+def create_vendor_txt_map() -> Dict[str, str]:
+ vendor_txt_path = os.path.join(
+ os.path.dirname(pip_location),
+ '_vendor',
+ 'vendor.txt'
+ )
+
+ with open(vendor_txt_path) as f:
+ # Purge non version specifying lines.
+ # Also, remove any space prefix or suffixes (including comments).
+ lines = [line.strip().split(' ', 1)[0]
+ for line in f.readlines() if '==' in line]
+
+ # Transform into "module" -> version dict.
+ return dict(line.split('==', 1) for line in lines) # type: ignore
+
+
+def get_module_from_module_name(module_name: str) -> ModuleType:
+ # Module name can be uppercase in vendor.txt for some reason...
+ module_name = module_name.lower()
+ # PATCH: setuptools is actually only pkg_resources.
+ if module_name == 'setuptools':
+ module_name = 'pkg_resources'
+
+ __import__(
+ f'pip._vendor.{module_name}',
+ globals(),
+ locals(),
+ level=0
+ )
+ return getattr(pip._vendor, module_name)
+
+
+def get_vendor_version_from_module(module_name: str) -> Optional[str]:
+ module = get_module_from_module_name(module_name)
+ version = getattr(module, '__version__', None)
+
+ if not version:
+ # Try to find version in debundled module info.
+ env = get_environment([os.path.dirname(module.__file__)])
+ dist = env.get_distribution(module_name)
+ if dist:
+ version = str(dist.version)
+
+ return version
+
+
+def show_actual_vendor_versions(vendor_txt_versions: Dict[str, str]) -> None:
+ """Log the actual version and print extra info if there is
+ a conflict or if the actual version could not be imported.
+ """
+ for module_name, expected_version in vendor_txt_versions.items():
+ extra_message = ''
+ actual_version = get_vendor_version_from_module(module_name)
+ if not actual_version:
+ extra_message = ' (Unable to locate actual module version, using'\
+ ' vendor.txt specified version)'
+ actual_version = expected_version
+ elif parse_version(actual_version) != parse_version(expected_version):
+ extra_message = ' (CONFLICT: vendor.txt suggests version should'\
+ ' be {})'.format(expected_version)
+ logger.info('%s==%s%s', module_name, actual_version, extra_message)
+
+
+def show_vendor_versions() -> None:
+ logger.info('vendored library versions:')
+
+ vendor_txt_versions = create_vendor_txt_map()
+ with indent_log():
+ show_actual_vendor_versions(vendor_txt_versions)
+
+
+def show_tags(options: Values) -> None:
+ tag_limit = 10
+
+ target_python = make_target_python(options)
+ tags = target_python.get_tags()
+
+ # Display the target options that were explicitly provided.
+ formatted_target = target_python.format_given()
+ suffix = ''
+ if formatted_target:
+ suffix = f' (target: {formatted_target})'
+
+ msg = 'Compatible tags: {}{}'.format(len(tags), suffix)
+ logger.info(msg)
+
+ if options.verbose < 1 and len(tags) > tag_limit:
+ tags_limited = True
+ tags = tags[:tag_limit]
+ else:
+ tags_limited = False
+
+ with indent_log():
+ for tag in tags:
+ logger.info(str(tag))
+
+ if tags_limited:
+ msg = (
+ '...\n'
+ '[First {tag_limit} tags shown. Pass --verbose to show all.]'
+ ).format(tag_limit=tag_limit)
+ logger.info(msg)
+
+
+def ca_bundle_info(config: Configuration) -> str:
+ levels = set()
+ for key, _ in config.items():
+ levels.add(key.split('.')[0])
+
+ if not levels:
+ return "Not specified"
+
+ levels_that_override_global = ['install', 'wheel', 'download']
+ global_overriding_level = [
+ level for level in levels if level in levels_that_override_global
+ ]
+ if not global_overriding_level:
+ return 'global'
+
+ if 'global' in levels:
+ levels.remove('global')
+ return ", ".join(levels)
+
+
+class DebugCommand(Command):
+ """
+ Display debug information.
+ """
+
+ usage = """
+ %prog """
+ ignore_require_venv = True
+
+ def add_options(self) -> None:
+ cmdoptions.add_target_python_options(self.cmd_opts)
+ self.parser.insert_option_group(0, self.cmd_opts)
+ self.parser.config.load()
+
+ def run(self, options: Values, args: List[str]) -> int:
+ logger.warning(
+ "This command is only meant for debugging. "
+ "Do not use this with automation for parsing and getting these "
+ "details, since the output and options of this command may "
+ "change without notice."
+ )
+ show_value('pip version', get_pip_version())
+ show_value('sys.version', sys.version)
+ show_value('sys.executable', sys.executable)
+ show_value('sys.getdefaultencoding', sys.getdefaultencoding())
+ show_value('sys.getfilesystemencoding', sys.getfilesystemencoding())
+ show_value(
+ 'locale.getpreferredencoding', locale.getpreferredencoding(),
+ )
+ show_value('sys.platform', sys.platform)
+ show_sys_implementation()
+
+ show_value("'cert' config value", ca_bundle_info(self.parser.config))
+ show_value("REQUESTS_CA_BUNDLE", os.environ.get('REQUESTS_CA_BUNDLE'))
+ show_value("CURL_CA_BUNDLE", os.environ.get('CURL_CA_BUNDLE'))
+ show_value("pip._vendor.certifi.where()", where())
+ show_value("pip._vendor.DEBUNDLED", pip._vendor.DEBUNDLED)
+
+ show_vendor_versions()
+
+ show_tags(options)
+
+ return SUCCESS
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/download.py b/Scripts/Lib/site-packages/pip/_internal/commands/download.py
new file mode 100644
index 0000000..2302645
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/download.py
@@ -0,0 +1,139 @@
+import logging
+import os
+from optparse import Values
+from typing import List
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.cmdoptions import make_target_python
+from pip._internal.cli.req_command import RequirementCommand, with_cleanup
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.req.req_tracker import get_requirement_tracker
+from pip._internal.utils.misc import ensure_dir, normalize_path, write_output
+from pip._internal.utils.temp_dir import TempDirectory
+
+logger = logging.getLogger(__name__)
+
+
+class DownloadCommand(RequirementCommand):
+ """
+ Download packages from:
+
+ - PyPI (and other indexes) using requirement specifiers.
+ - VCS project urls.
+ - Local project directories.
+ - Local or remote source archives.
+
+ pip also supports downloading from "requirements files", which provide
+ an easy way to specify a whole environment to be downloaded.
+ """
+
+ usage = """
+ %prog [options] [package-index-options] ...
+ %prog [options] -r [package-index-options] ...
+ %prog [options] ...
+ %prog [options] ...
+ %prog [options] ..."""
+
+ def add_options(self) -> None:
+ self.cmd_opts.add_option(cmdoptions.constraints())
+ self.cmd_opts.add_option(cmdoptions.requirements())
+ self.cmd_opts.add_option(cmdoptions.build_dir())
+ self.cmd_opts.add_option(cmdoptions.no_deps())
+ self.cmd_opts.add_option(cmdoptions.global_options())
+ self.cmd_opts.add_option(cmdoptions.no_binary())
+ self.cmd_opts.add_option(cmdoptions.only_binary())
+ self.cmd_opts.add_option(cmdoptions.prefer_binary())
+ self.cmd_opts.add_option(cmdoptions.src())
+ self.cmd_opts.add_option(cmdoptions.pre())
+ self.cmd_opts.add_option(cmdoptions.require_hashes())
+ self.cmd_opts.add_option(cmdoptions.progress_bar())
+ self.cmd_opts.add_option(cmdoptions.no_build_isolation())
+ self.cmd_opts.add_option(cmdoptions.use_pep517())
+ self.cmd_opts.add_option(cmdoptions.no_use_pep517())
+ self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
+
+ self.cmd_opts.add_option(
+ '-d', '--dest', '--destination-dir', '--destination-directory',
+ dest='download_dir',
+ metavar='dir',
+ default=os.curdir,
+ help=("Download packages into ."),
+ )
+
+ cmdoptions.add_target_python_options(self.cmd_opts)
+
+ index_opts = cmdoptions.make_option_group(
+ cmdoptions.index_group,
+ self.parser,
+ )
+
+ self.parser.insert_option_group(0, index_opts)
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ @with_cleanup
+ def run(self, options: Values, args: List[str]) -> int:
+
+ options.ignore_installed = True
+ # editable doesn't really make sense for `pip download`, but the bowels
+ # of the RequirementSet code require that property.
+ options.editables = []
+
+ cmdoptions.check_dist_restriction(options)
+
+ options.download_dir = normalize_path(options.download_dir)
+ ensure_dir(options.download_dir)
+
+ session = self.get_default_session(options)
+
+ target_python = make_target_python(options)
+ finder = self._build_package_finder(
+ options=options,
+ session=session,
+ target_python=target_python,
+ ignore_requires_python=options.ignore_requires_python,
+ )
+
+ req_tracker = self.enter_context(get_requirement_tracker())
+
+ directory = TempDirectory(
+ delete=not options.no_clean,
+ kind="download",
+ globally_managed=True,
+ )
+
+ reqs = self.get_requirements(args, options, finder, session)
+
+ preparer = self.make_requirement_preparer(
+ temp_build_dir=directory,
+ options=options,
+ req_tracker=req_tracker,
+ session=session,
+ finder=finder,
+ download_dir=options.download_dir,
+ use_user_site=False,
+ )
+
+ resolver = self.make_resolver(
+ preparer=preparer,
+ finder=finder,
+ options=options,
+ ignore_requires_python=options.ignore_requires_python,
+ py_version_info=options.python_version,
+ )
+
+ self.trace_basic_info(finder)
+
+ requirement_set = resolver.resolve(
+ reqs, check_supported_wheels=True
+ )
+
+ downloaded: List[str] = []
+ for req in requirement_set.requirements.values():
+ if req.satisfied_by is None:
+ assert req.name is not None
+ preparer.save_linked_requirement(req)
+ downloaded.append(req.name)
+ if downloaded:
+ write_output('Successfully downloaded %s', ' '.join(downloaded))
+
+ return SUCCESS
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/freeze.py b/Scripts/Lib/site-packages/pip/_internal/commands/freeze.py
new file mode 100644
index 0000000..1ccc875
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/freeze.py
@@ -0,0 +1,84 @@
+import sys
+from optparse import Values
+from typing import List
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.operations.freeze import freeze
+from pip._internal.utils.compat import stdlib_pkgs
+
+DEV_PKGS = {'pip', 'setuptools', 'distribute', 'wheel'}
+
+
+class FreezeCommand(Command):
+ """
+ Output installed packages in requirements format.
+
+ packages are listed in a case-insensitive sorted order.
+ """
+
+ usage = """
+ %prog [options]"""
+ log_streams = ("ext://sys.stderr", "ext://sys.stderr")
+
+ def add_options(self) -> None:
+ self.cmd_opts.add_option(
+ '-r', '--requirement',
+ dest='requirements',
+ action='append',
+ default=[],
+ metavar='file',
+ help="Use the order in the given requirements file and its "
+ "comments when generating output. This option can be "
+ "used multiple times.")
+ self.cmd_opts.add_option(
+ '-l', '--local',
+ dest='local',
+ action='store_true',
+ default=False,
+ help='If in a virtualenv that has global access, do not output '
+ 'globally-installed packages.')
+ self.cmd_opts.add_option(
+ '--user',
+ dest='user',
+ action='store_true',
+ default=False,
+ help='Only output packages installed in user-site.')
+ self.cmd_opts.add_option(cmdoptions.list_path())
+ self.cmd_opts.add_option(
+ '--all',
+ dest='freeze_all',
+ action='store_true',
+ help='Do not skip these packages in the output:'
+ ' {}'.format(', '.join(DEV_PKGS)))
+ self.cmd_opts.add_option(
+ '--exclude-editable',
+ dest='exclude_editable',
+ action='store_true',
+ help='Exclude editable package from output.')
+ self.cmd_opts.add_option(cmdoptions.list_exclude())
+
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options: Values, args: List[str]) -> int:
+ skip = set(stdlib_pkgs)
+ if not options.freeze_all:
+ skip.update(DEV_PKGS)
+
+ if options.excludes:
+ skip.update(options.excludes)
+
+ cmdoptions.check_list_path_option(options)
+
+ for line in freeze(
+ requirement=options.requirements,
+ local_only=options.local,
+ user_only=options.user,
+ paths=options.path,
+ isolated=options.isolated_mode,
+ skip=skip,
+ exclude_editable=options.exclude_editable,
+ ):
+ sys.stdout.write(line + '\n')
+ return SUCCESS
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/hash.py b/Scripts/Lib/site-packages/pip/_internal/commands/hash.py
new file mode 100644
index 0000000..3e4c32f
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/hash.py
@@ -0,0 +1,55 @@
+import hashlib
+import logging
+import sys
+from optparse import Values
+from typing import List
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.utils.hashes import FAVORITE_HASH, STRONG_HASHES
+from pip._internal.utils.misc import read_chunks, write_output
+
+logger = logging.getLogger(__name__)
+
+
+class HashCommand(Command):
+ """
+ Compute a hash of a local package archive.
+
+ These can be used with --hash in a requirements file to do repeatable
+ installs.
+ """
+
+ usage = '%prog [options] ...'
+ ignore_require_venv = True
+
+ def add_options(self) -> None:
+ self.cmd_opts.add_option(
+ '-a', '--algorithm',
+ dest='algorithm',
+ choices=STRONG_HASHES,
+ action='store',
+ default=FAVORITE_HASH,
+ help='The hash algorithm to use: one of {}'.format(
+ ', '.join(STRONG_HASHES)))
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options: Values, args: List[str]) -> int:
+ if not args:
+ self.parser.print_usage(sys.stderr)
+ return ERROR
+
+ algorithm = options.algorithm
+ for path in args:
+ write_output('%s:\n--hash=%s:%s',
+ path, algorithm, _hash_of_file(path, algorithm))
+ return SUCCESS
+
+
+def _hash_of_file(path: str, algorithm: str) -> str:
+ """Return the hash digest of a file."""
+ with open(path, 'rb') as archive:
+ hash = hashlib.new(algorithm)
+ for chunk in read_chunks(archive):
+ hash.update(chunk)
+ return hash.hexdigest()
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/help.py b/Scripts/Lib/site-packages/pip/_internal/commands/help.py
new file mode 100644
index 0000000..811ce89
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/help.py
@@ -0,0 +1,41 @@
+from optparse import Values
+from typing import List
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.exceptions import CommandError
+
+
+class HelpCommand(Command):
+ """Show help for commands"""
+
+ usage = """
+ %prog """
+ ignore_require_venv = True
+
+ def run(self, options: Values, args: List[str]) -> int:
+ from pip._internal.commands import (
+ commands_dict,
+ create_command,
+ get_similar_commands,
+ )
+
+ try:
+ # 'pip help' with no args is handled by pip.__init__.parseopt()
+ cmd_name = args[0] # the command we need help for
+ except IndexError:
+ return SUCCESS
+
+ if cmd_name not in commands_dict:
+ guess = get_similar_commands(cmd_name)
+
+ msg = [f'unknown command "{cmd_name}"']
+ if guess:
+ msg.append(f'maybe you meant "{guess}"')
+
+ raise CommandError(' - '.join(msg))
+
+ command = create_command(cmd_name)
+ command.parser.print_help()
+
+ return SUCCESS
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/index.py b/Scripts/Lib/site-packages/pip/_internal/commands/index.py
new file mode 100644
index 0000000..c505464
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/index.py
@@ -0,0 +1,139 @@
+import logging
+from optparse import Values
+from typing import Any, Iterable, List, Optional, Union
+
+from pip._vendor.packaging.version import LegacyVersion, Version
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.req_command import IndexGroupCommand
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.commands.search import print_dist_installation_info
+from pip._internal.exceptions import CommandError, DistributionNotFound, PipError
+from pip._internal.index.collector import LinkCollector
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.models.selection_prefs import SelectionPreferences
+from pip._internal.models.target_python import TargetPython
+from pip._internal.network.session import PipSession
+from pip._internal.utils.misc import write_output
+
+logger = logging.getLogger(__name__)
+
+
+class IndexCommand(IndexGroupCommand):
+ """
+ Inspect information available from package indexes.
+ """
+
+ usage = """
+ %prog versions
+ """
+
+ def add_options(self) -> None:
+ cmdoptions.add_target_python_options(self.cmd_opts)
+
+ self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
+ self.cmd_opts.add_option(cmdoptions.pre())
+ self.cmd_opts.add_option(cmdoptions.no_binary())
+ self.cmd_opts.add_option(cmdoptions.only_binary())
+
+ index_opts = cmdoptions.make_option_group(
+ cmdoptions.index_group,
+ self.parser,
+ )
+
+ self.parser.insert_option_group(0, index_opts)
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options: Values, args: List[Any]) -> int:
+ handlers = {
+ "versions": self.get_available_package_versions,
+ }
+
+ logger.warning(
+ "pip index is currently an experimental command. "
+ "It may be removed/changed in a future release "
+ "without prior warning."
+ )
+
+ # Determine action
+ if not args or args[0] not in handlers:
+ logger.error(
+ "Need an action (%s) to perform.",
+ ", ".join(sorted(handlers)),
+ )
+ return ERROR
+
+ action = args[0]
+
+ # Error handling happens here, not in the action-handlers.
+ try:
+ handlers[action](options, args[1:])
+ except PipError as e:
+ logger.error(e.args[0])
+ return ERROR
+
+ return SUCCESS
+
+ def _build_package_finder(
+ self,
+ options: Values,
+ session: PipSession,
+ target_python: Optional[TargetPython] = None,
+ ignore_requires_python: Optional[bool] = None,
+ ) -> PackageFinder:
+ """
+ Create a package finder appropriate to the index command.
+ """
+ link_collector = LinkCollector.create(session, options=options)
+
+ # Pass allow_yanked=False to ignore yanked versions.
+ selection_prefs = SelectionPreferences(
+ allow_yanked=False,
+ allow_all_prereleases=options.pre,
+ ignore_requires_python=ignore_requires_python,
+ )
+
+ return PackageFinder.create(
+ link_collector=link_collector,
+ selection_prefs=selection_prefs,
+ target_python=target_python,
+ )
+
+ def get_available_package_versions(self, options: Values, args: List[Any]) -> None:
+ if len(args) != 1:
+ raise CommandError('You need to specify exactly one argument')
+
+ target_python = cmdoptions.make_target_python(options)
+ query = args[0]
+
+ with self._build_session(options) as session:
+ finder = self._build_package_finder(
+ options=options,
+ session=session,
+ target_python=target_python,
+ ignore_requires_python=options.ignore_requires_python,
+ )
+
+ versions: Iterable[Union[LegacyVersion, Version]] = (
+ candidate.version
+ for candidate in finder.find_all_candidates(query)
+ )
+
+ if not options.pre:
+ # Remove prereleases
+ versions = (version for version in versions
+ if not version.is_prerelease)
+ versions = set(versions)
+
+ if not versions:
+ raise DistributionNotFound(
+ 'No matching distribution found for {}'.format(query))
+
+ formatted_versions = [str(ver) for ver in sorted(
+ versions, reverse=True)]
+ latest = formatted_versions[0]
+
+ write_output('{} ({})'.format(query, latest))
+ write_output('Available versions: {}'.format(
+ ', '.join(formatted_versions)))
+ print_dist_installation_info(query, latest)
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/install.py b/Scripts/Lib/site-packages/pip/_internal/commands/install.py
new file mode 100644
index 0000000..02da077
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/install.py
@@ -0,0 +1,750 @@
+import errno
+import operator
+import os
+import shutil
+import site
+from optparse import SUPPRESS_HELP, Values
+from typing import Iterable, List, Optional
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.cache import WheelCache
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.cmdoptions import make_target_python
+from pip._internal.cli.req_command import (
+ RequirementCommand,
+ warn_if_run_as_root,
+ with_cleanup,
+)
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.exceptions import CommandError, InstallationError
+from pip._internal.locations import get_scheme
+from pip._internal.metadata import get_environment
+from pip._internal.models.format_control import FormatControl
+from pip._internal.operations.check import ConflictDetails, check_install_conflicts
+from pip._internal.req import install_given_reqs
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.req.req_tracker import get_requirement_tracker
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.distutils_args import parse_distutils_args
+from pip._internal.utils.filesystem import test_writable_dir
+from pip._internal.utils.logging import getLogger
+from pip._internal.utils.misc import (
+ ensure_dir,
+ get_pip_version,
+ protect_pip_from_modification_on_windows,
+ write_output,
+)
+from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.utils.virtualenv import (
+ running_under_virtualenv,
+ virtualenv_no_global,
+)
+from pip._internal.wheel_builder import (
+ BinaryAllowedPredicate,
+ build,
+ should_build_for_install_command,
+)
+
+logger = getLogger(__name__)
+
+
+def get_check_binary_allowed(format_control: FormatControl) -> BinaryAllowedPredicate:
+ def check_binary_allowed(req: InstallRequirement) -> bool:
+ canonical_name = canonicalize_name(req.name or "")
+ allowed_formats = format_control.get_allowed_formats(canonical_name)
+ return "binary" in allowed_formats
+
+ return check_binary_allowed
+
+
+class InstallCommand(RequirementCommand):
+ """
+ Install packages from:
+
+ - PyPI (and other indexes) using requirement specifiers.
+ - VCS project urls.
+ - Local project directories.
+ - Local or remote source archives.
+
+ pip also supports installing from "requirements files", which provide
+ an easy way to specify a whole environment to be installed.
+ """
+
+ usage = """
+ %prog [options] [package-index-options] ...
+ %prog [options] -r [package-index-options] ...
+ %prog [options] [-e] ...
+ %prog [options] [-e] ...
+ %prog [options] ..."""
+
+ def add_options(self) -> None:
+ self.cmd_opts.add_option(cmdoptions.requirements())
+ self.cmd_opts.add_option(cmdoptions.constraints())
+ self.cmd_opts.add_option(cmdoptions.no_deps())
+ self.cmd_opts.add_option(cmdoptions.pre())
+
+ self.cmd_opts.add_option(cmdoptions.editable())
+ self.cmd_opts.add_option(
+ '-t', '--target',
+ dest='target_dir',
+ metavar='dir',
+ default=None,
+ help='Install packages into . '
+ 'By default this will not replace existing files/folders in '
+ '. Use --upgrade to replace existing packages in '
+ 'with new versions.'
+ )
+ cmdoptions.add_target_python_options(self.cmd_opts)
+
+ self.cmd_opts.add_option(
+ '--user',
+ dest='use_user_site',
+ action='store_true',
+ help="Install to the Python user install directory for your "
+ "platform. Typically ~/.local/, or %APPDATA%\\Python on "
+ "Windows. (See the Python documentation for site.USER_BASE "
+ "for full details.)")
+ self.cmd_opts.add_option(
+ '--no-user',
+ dest='use_user_site',
+ action='store_false',
+ help=SUPPRESS_HELP)
+ self.cmd_opts.add_option(
+ '--root',
+ dest='root_path',
+ metavar='dir',
+ default=None,
+ help="Install everything relative to this alternate root "
+ "directory.")
+ self.cmd_opts.add_option(
+ '--prefix',
+ dest='prefix_path',
+ metavar='dir',
+ default=None,
+ help="Installation prefix where lib, bin and other top-level "
+ "folders are placed")
+
+ self.cmd_opts.add_option(cmdoptions.build_dir())
+
+ self.cmd_opts.add_option(cmdoptions.src())
+
+ self.cmd_opts.add_option(
+ '-U', '--upgrade',
+ dest='upgrade',
+ action='store_true',
+ help='Upgrade all specified packages to the newest available '
+ 'version. The handling of dependencies depends on the '
+ 'upgrade-strategy used.'
+ )
+
+ self.cmd_opts.add_option(
+ '--upgrade-strategy',
+ dest='upgrade_strategy',
+ default='only-if-needed',
+ choices=['only-if-needed', 'eager'],
+ help='Determines how dependency upgrading should be handled '
+ '[default: %default]. '
+ '"eager" - dependencies are upgraded regardless of '
+ 'whether the currently installed version satisfies the '
+ 'requirements of the upgraded package(s). '
+ '"only-if-needed" - are upgraded only when they do not '
+ 'satisfy the requirements of the upgraded package(s).'
+ )
+
+ self.cmd_opts.add_option(
+ '--force-reinstall',
+ dest='force_reinstall',
+ action='store_true',
+ help='Reinstall all packages even if they are already '
+ 'up-to-date.')
+
+ self.cmd_opts.add_option(
+ '-I', '--ignore-installed',
+ dest='ignore_installed',
+ action='store_true',
+ help='Ignore the installed packages, overwriting them. '
+ 'This can break your system if the existing package '
+ 'is of a different version or was installed '
+ 'with a different package manager!'
+ )
+
+ self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
+ self.cmd_opts.add_option(cmdoptions.no_build_isolation())
+ self.cmd_opts.add_option(cmdoptions.use_pep517())
+ self.cmd_opts.add_option(cmdoptions.no_use_pep517())
+
+ self.cmd_opts.add_option(cmdoptions.install_options())
+ self.cmd_opts.add_option(cmdoptions.global_options())
+
+ self.cmd_opts.add_option(
+ "--compile",
+ action="store_true",
+ dest="compile",
+ default=True,
+ help="Compile Python source files to bytecode",
+ )
+
+ self.cmd_opts.add_option(
+ "--no-compile",
+ action="store_false",
+ dest="compile",
+ help="Do not compile Python source files to bytecode",
+ )
+
+ self.cmd_opts.add_option(
+ "--no-warn-script-location",
+ action="store_false",
+ dest="warn_script_location",
+ default=True,
+ help="Do not warn when installing scripts outside PATH",
+ )
+ self.cmd_opts.add_option(
+ "--no-warn-conflicts",
+ action="store_false",
+ dest="warn_about_conflicts",
+ default=True,
+ help="Do not warn about broken dependencies",
+ )
+
+ self.cmd_opts.add_option(cmdoptions.no_binary())
+ self.cmd_opts.add_option(cmdoptions.only_binary())
+ self.cmd_opts.add_option(cmdoptions.prefer_binary())
+ self.cmd_opts.add_option(cmdoptions.require_hashes())
+ self.cmd_opts.add_option(cmdoptions.progress_bar())
+
+ index_opts = cmdoptions.make_option_group(
+ cmdoptions.index_group,
+ self.parser,
+ )
+
+ self.parser.insert_option_group(0, index_opts)
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ @with_cleanup
+ def run(self, options: Values, args: List[str]) -> int:
+ if options.use_user_site and options.target_dir is not None:
+ raise CommandError("Can not combine '--user' and '--target'")
+
+ cmdoptions.check_install_build_global(options)
+ upgrade_strategy = "to-satisfy-only"
+ if options.upgrade:
+ upgrade_strategy = options.upgrade_strategy
+
+ cmdoptions.check_dist_restriction(options, check_target=True)
+
+ install_options = options.install_options or []
+
+ logger.verbose("Using %s", get_pip_version())
+ options.use_user_site = decide_user_install(
+ options.use_user_site,
+ prefix_path=options.prefix_path,
+ target_dir=options.target_dir,
+ root_path=options.root_path,
+ isolated_mode=options.isolated_mode,
+ )
+
+ target_temp_dir: Optional[TempDirectory] = None
+ target_temp_dir_path: Optional[str] = None
+ if options.target_dir:
+ options.ignore_installed = True
+ options.target_dir = os.path.abspath(options.target_dir)
+ if (os.path.exists(options.target_dir) and not
+ os.path.isdir(options.target_dir)):
+ raise CommandError(
+ "Target path exists but is not a directory, will not "
+ "continue."
+ )
+
+ # Create a target directory for using with the target option
+ target_temp_dir = TempDirectory(kind="target")
+ target_temp_dir_path = target_temp_dir.path
+ self.enter_context(target_temp_dir)
+
+ global_options = options.global_options or []
+
+ session = self.get_default_session(options)
+
+ target_python = make_target_python(options)
+ finder = self._build_package_finder(
+ options=options,
+ session=session,
+ target_python=target_python,
+ ignore_requires_python=options.ignore_requires_python,
+ )
+ wheel_cache = WheelCache(options.cache_dir, options.format_control)
+
+ req_tracker = self.enter_context(get_requirement_tracker())
+
+ directory = TempDirectory(
+ delete=not options.no_clean,
+ kind="install",
+ globally_managed=True,
+ )
+
+ try:
+ reqs = self.get_requirements(args, options, finder, session)
+
+ reject_location_related_install_options(
+ reqs, options.install_options
+ )
+
+ preparer = self.make_requirement_preparer(
+ temp_build_dir=directory,
+ options=options,
+ req_tracker=req_tracker,
+ session=session,
+ finder=finder,
+ use_user_site=options.use_user_site,
+ )
+ resolver = self.make_resolver(
+ preparer=preparer,
+ finder=finder,
+ options=options,
+ wheel_cache=wheel_cache,
+ use_user_site=options.use_user_site,
+ ignore_installed=options.ignore_installed,
+ ignore_requires_python=options.ignore_requires_python,
+ force_reinstall=options.force_reinstall,
+ upgrade_strategy=upgrade_strategy,
+ use_pep517=options.use_pep517,
+ )
+
+ self.trace_basic_info(finder)
+
+ requirement_set = resolver.resolve(
+ reqs, check_supported_wheels=not options.target_dir
+ )
+
+ try:
+ pip_req = requirement_set.get_requirement("pip")
+ except KeyError:
+ modifying_pip = False
+ else:
+ # If we're not replacing an already installed pip,
+ # we're not modifying it.
+ modifying_pip = pip_req.satisfied_by is None
+ protect_pip_from_modification_on_windows(
+ modifying_pip=modifying_pip
+ )
+
+ check_binary_allowed = get_check_binary_allowed(
+ finder.format_control
+ )
+
+ reqs_to_build = [
+ r for r in requirement_set.requirements.values()
+ if should_build_for_install_command(
+ r, check_binary_allowed
+ )
+ ]
+
+ _, build_failures = build(
+ reqs_to_build,
+ wheel_cache=wheel_cache,
+ verify=True,
+ build_options=[],
+ global_options=[],
+ )
+
+ # If we're using PEP 517, we cannot do a direct install
+ # so we fail here.
+ pep517_build_failure_names: List[str] = [
+ r.name # type: ignore
+ for r in build_failures if r.use_pep517
+ ]
+ if pep517_build_failure_names:
+ raise InstallationError(
+ "Could not build wheels for {} which use"
+ " PEP 517 and cannot be installed directly".format(
+ ", ".join(pep517_build_failure_names)
+ )
+ )
+
+ # For now, we just warn about failures building legacy
+ # requirements, as we'll fall through to a direct
+ # install for those.
+ for r in build_failures:
+ if not r.use_pep517:
+ r.legacy_install_reason = 8368
+
+ to_install = resolver.get_installation_order(
+ requirement_set
+ )
+
+ # Check for conflicts in the package set we're installing.
+ conflicts: Optional[ConflictDetails] = None
+ should_warn_about_conflicts = (
+ not options.ignore_dependencies and
+ options.warn_about_conflicts
+ )
+ if should_warn_about_conflicts:
+ conflicts = self._determine_conflicts(to_install)
+
+ # Don't warn about script install locations if
+ # --target or --prefix has been specified
+ warn_script_location = options.warn_script_location
+ if options.target_dir or options.prefix_path:
+ warn_script_location = False
+
+ installed = install_given_reqs(
+ to_install,
+ install_options,
+ global_options,
+ root=options.root_path,
+ home=target_temp_dir_path,
+ prefix=options.prefix_path,
+ warn_script_location=warn_script_location,
+ use_user_site=options.use_user_site,
+ pycompile=options.compile,
+ )
+
+ lib_locations = get_lib_location_guesses(
+ user=options.use_user_site,
+ home=target_temp_dir_path,
+ root=options.root_path,
+ prefix=options.prefix_path,
+ isolated=options.isolated_mode,
+ )
+ env = get_environment(lib_locations)
+
+ installed.sort(key=operator.attrgetter('name'))
+ items = []
+ for result in installed:
+ item = result.name
+ try:
+ installed_dist = env.get_distribution(item)
+ if installed_dist is not None:
+ item = f"{item}-{installed_dist.version}"
+ except Exception:
+ pass
+ items.append(item)
+
+ if conflicts is not None:
+ self._warn_about_conflicts(
+ conflicts,
+ resolver_variant=self.determine_resolver_variant(options),
+ )
+
+ installed_desc = ' '.join(items)
+ if installed_desc:
+ write_output(
+ 'Successfully installed %s', installed_desc,
+ )
+ except OSError as error:
+ show_traceback = (self.verbosity >= 1)
+
+ message = create_os_error_message(
+ error, show_traceback, options.use_user_site,
+ )
+ logger.error(message, exc_info=show_traceback) # noqa
+
+ return ERROR
+
+ if options.target_dir:
+ assert target_temp_dir
+ self._handle_target_dir(
+ options.target_dir, target_temp_dir, options.upgrade
+ )
+
+ warn_if_run_as_root()
+ return SUCCESS
+
+ def _handle_target_dir(
+ self, target_dir: str, target_temp_dir: TempDirectory, upgrade: bool
+ ) -> None:
+ ensure_dir(target_dir)
+
+ # Checking both purelib and platlib directories for installed
+ # packages to be moved to target directory
+ lib_dir_list = []
+
+ # Checking both purelib and platlib directories for installed
+ # packages to be moved to target directory
+ scheme = get_scheme('', home=target_temp_dir.path)
+ purelib_dir = scheme.purelib
+ platlib_dir = scheme.platlib
+ data_dir = scheme.data
+
+ if os.path.exists(purelib_dir):
+ lib_dir_list.append(purelib_dir)
+ if os.path.exists(platlib_dir) and platlib_dir != purelib_dir:
+ lib_dir_list.append(platlib_dir)
+ if os.path.exists(data_dir):
+ lib_dir_list.append(data_dir)
+
+ for lib_dir in lib_dir_list:
+ for item in os.listdir(lib_dir):
+ if lib_dir == data_dir:
+ ddir = os.path.join(data_dir, item)
+ if any(s.startswith(ddir) for s in lib_dir_list[:-1]):
+ continue
+ target_item_dir = os.path.join(target_dir, item)
+ if os.path.exists(target_item_dir):
+ if not upgrade:
+ logger.warning(
+ 'Target directory %s already exists. Specify '
+ '--upgrade to force replacement.',
+ target_item_dir
+ )
+ continue
+ if os.path.islink(target_item_dir):
+ logger.warning(
+ 'Target directory %s already exists and is '
+ 'a link. pip will not automatically replace '
+ 'links, please remove if replacement is '
+ 'desired.',
+ target_item_dir
+ )
+ continue
+ if os.path.isdir(target_item_dir):
+ shutil.rmtree(target_item_dir)
+ else:
+ os.remove(target_item_dir)
+
+ shutil.move(
+ os.path.join(lib_dir, item),
+ target_item_dir
+ )
+
+ def _determine_conflicts(
+ self, to_install: List[InstallRequirement]
+ ) -> Optional[ConflictDetails]:
+ try:
+ return check_install_conflicts(to_install)
+ except Exception:
+ logger.exception(
+ "Error while checking for conflicts. Please file an issue on "
+ "pip's issue tracker: https://github.com/pypa/pip/issues/new"
+ )
+ return None
+
+ def _warn_about_conflicts(
+ self, conflict_details: ConflictDetails, resolver_variant: str
+ ) -> None:
+ package_set, (missing, conflicting) = conflict_details
+ if not missing and not conflicting:
+ return
+
+ parts: List[str] = []
+ if resolver_variant == "legacy":
+ parts.append(
+ "pip's legacy dependency resolver does not consider dependency "
+ "conflicts when selecting packages. This behaviour is the "
+ "source of the following dependency conflicts."
+ )
+ else:
+ assert resolver_variant == "2020-resolver"
+ parts.append(
+ "pip's dependency resolver does not currently take into account "
+ "all the packages that are installed. This behaviour is the "
+ "source of the following dependency conflicts."
+ )
+
+ # NOTE: There is some duplication here, with commands/check.py
+ for project_name in missing:
+ version = package_set[project_name][0]
+ for dependency in missing[project_name]:
+ message = (
+ "{name} {version} requires {requirement}, "
+ "which is not installed."
+ ).format(
+ name=project_name,
+ version=version,
+ requirement=dependency[1],
+ )
+ parts.append(message)
+
+ for project_name in conflicting:
+ version = package_set[project_name][0]
+ for dep_name, dep_version, req in conflicting[project_name]:
+ message = (
+ "{name} {version} requires {requirement}, but {you} have "
+ "{dep_name} {dep_version} which is incompatible."
+ ).format(
+ name=project_name,
+ version=version,
+ requirement=req,
+ dep_name=dep_name,
+ dep_version=dep_version,
+ you=("you" if resolver_variant == "2020-resolver" else "you'll")
+ )
+ parts.append(message)
+
+ logger.critical("\n".join(parts))
+
+
+def get_lib_location_guesses(
+ user: bool = False,
+ home: Optional[str] = None,
+ root: Optional[str] = None,
+ isolated: bool = False,
+ prefix: Optional[str] = None
+) -> List[str]:
+ scheme = get_scheme(
+ '',
+ user=user,
+ home=home,
+ root=root,
+ isolated=isolated,
+ prefix=prefix,
+ )
+ return [scheme.purelib, scheme.platlib]
+
+
+def site_packages_writable(root: Optional[str], isolated: bool) -> bool:
+ return all(
+ test_writable_dir(d) for d in set(
+ get_lib_location_guesses(root=root, isolated=isolated))
+ )
+
+
+def decide_user_install(
+ use_user_site: Optional[bool],
+ prefix_path: Optional[str] = None,
+ target_dir: Optional[str] = None,
+ root_path: Optional[str] = None,
+ isolated_mode: bool = False,
+) -> bool:
+ """Determine whether to do a user install based on the input options.
+
+ If use_user_site is False, no additional checks are done.
+ If use_user_site is True, it is checked for compatibility with other
+ options.
+ If use_user_site is None, the default behaviour depends on the environment,
+ which is provided by the other arguments.
+ """
+ # In some cases (config from tox), use_user_site can be set to an integer
+ # rather than a bool, which 'use_user_site is False' wouldn't catch.
+ if (use_user_site is not None) and (not use_user_site):
+ logger.debug("Non-user install by explicit request")
+ return False
+
+ if use_user_site:
+ if prefix_path:
+ raise CommandError(
+ "Can not combine '--user' and '--prefix' as they imply "
+ "different installation locations"
+ )
+ if virtualenv_no_global():
+ raise InstallationError(
+ "Can not perform a '--user' install. User site-packages "
+ "are not visible in this virtualenv."
+ )
+ logger.debug("User install by explicit request")
+ return True
+
+ # If we are here, user installs have not been explicitly requested/avoided
+ assert use_user_site is None
+
+ # user install incompatible with --prefix/--target
+ if prefix_path or target_dir:
+ logger.debug("Non-user install due to --prefix or --target option")
+ return False
+
+ # If user installs are not enabled, choose a non-user install
+ if not site.ENABLE_USER_SITE:
+ logger.debug("Non-user install because user site-packages disabled")
+ return False
+
+ # If we have permission for a non-user install, do that,
+ # otherwise do a user install.
+ if site_packages_writable(root=root_path, isolated=isolated_mode):
+ logger.debug("Non-user install because site-packages writeable")
+ return False
+
+ logger.info("Defaulting to user installation because normal site-packages "
+ "is not writeable")
+ return True
+
+
+def reject_location_related_install_options(
+ requirements: List[InstallRequirement], options: Optional[List[str]]
+) -> None:
+ """If any location-changing --install-option arguments were passed for
+ requirements or on the command-line, then show a deprecation warning.
+ """
+ def format_options(option_names: Iterable[str]) -> List[str]:
+ return ["--{}".format(name.replace("_", "-")) for name in option_names]
+
+ offenders = []
+
+ for requirement in requirements:
+ install_options = requirement.install_options
+ location_options = parse_distutils_args(install_options)
+ if location_options:
+ offenders.append(
+ "{!r} from {}".format(
+ format_options(location_options.keys()), requirement
+ )
+ )
+
+ if options:
+ location_options = parse_distutils_args(options)
+ if location_options:
+ offenders.append(
+ "{!r} from command line".format(
+ format_options(location_options.keys())
+ )
+ )
+
+ if not offenders:
+ return
+
+ raise CommandError(
+ "Location-changing options found in --install-option: {}."
+ " This is unsupported, use pip-level options like --user,"
+ " --prefix, --root, and --target instead.".format(
+ "; ".join(offenders)
+ )
+ )
+
+
+def create_os_error_message(
+ error: OSError, show_traceback: bool, using_user_site: bool
+) -> str:
+ """Format an error message for an OSError
+
+ It may occur anytime during the execution of the install command.
+ """
+ parts = []
+
+ # Mention the error if we are not going to show a traceback
+ parts.append("Could not install packages due to an OSError")
+ if not show_traceback:
+ parts.append(": ")
+ parts.append(str(error))
+ else:
+ parts.append(".")
+
+ # Spilt the error indication from a helper message (if any)
+ parts[-1] += "\n"
+
+ # Suggest useful actions to the user:
+ # (1) using user site-packages or (2) verifying the permissions
+ if error.errno == errno.EACCES:
+ user_option_part = "Consider using the `--user` option"
+ permissions_part = "Check the permissions"
+
+ if not running_under_virtualenv() and not using_user_site:
+ parts.extend([
+ user_option_part, " or ",
+ permissions_part.lower(),
+ ])
+ else:
+ parts.append(permissions_part)
+ parts.append(".\n")
+
+ # Suggest the user to enable Long Paths if path length is
+ # more than 260
+ if (WINDOWS and error.errno == errno.ENOENT and error.filename and
+ len(error.filename) > 260):
+ parts.append(
+ "HINT: This error might have occurred since "
+ "this system does not have Windows Long Path "
+ "support enabled. You can find information on "
+ "how to enable this at "
+ "https://pip.pypa.io/warnings/enable-long-paths\n"
+ )
+
+ return "".join(parts).strip() + "\n"
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/list.py b/Scripts/Lib/site-packages/pip/_internal/commands/list.py
new file mode 100644
index 0000000..828889f
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/list.py
@@ -0,0 +1,337 @@
+import json
+import logging
+from optparse import Values
+from typing import TYPE_CHECKING, Iterator, List, Optional, Sequence, Tuple, cast
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.req_command import IndexGroupCommand
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.exceptions import CommandError
+from pip._internal.index.collector import LinkCollector
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.metadata import BaseDistribution, get_environment
+from pip._internal.models.selection_prefs import SelectionPreferences
+from pip._internal.network.session import PipSession
+from pip._internal.utils.misc import stdlib_pkgs, tabulate, write_output
+from pip._internal.utils.parallel import map_multithread
+
+if TYPE_CHECKING:
+ from pip._internal.metadata.base import DistributionVersion
+
+ class _DistWithLatestInfo(BaseDistribution):
+ """Give the distribution object a couple of extra fields.
+
+ These will be populated during ``get_outdated()``. This is dirty but
+ makes the rest of the code much cleaner.
+ """
+ latest_version: DistributionVersion
+ latest_filetype: str
+
+ _ProcessedDists = Sequence[_DistWithLatestInfo]
+
+
+logger = logging.getLogger(__name__)
+
+
+class ListCommand(IndexGroupCommand):
+ """
+ List installed packages, including editables.
+
+ Packages are listed in a case-insensitive sorted order.
+ """
+
+ ignore_require_venv = True
+ usage = """
+ %prog [options]"""
+
+ def add_options(self) -> None:
+ self.cmd_opts.add_option(
+ '-o', '--outdated',
+ action='store_true',
+ default=False,
+ help='List outdated packages')
+ self.cmd_opts.add_option(
+ '-u', '--uptodate',
+ action='store_true',
+ default=False,
+ help='List uptodate packages')
+ self.cmd_opts.add_option(
+ '-e', '--editable',
+ action='store_true',
+ default=False,
+ help='List editable projects.')
+ self.cmd_opts.add_option(
+ '-l', '--local',
+ action='store_true',
+ default=False,
+ help=('If in a virtualenv that has global access, do not list '
+ 'globally-installed packages.'),
+ )
+ self.cmd_opts.add_option(
+ '--user',
+ dest='user',
+ action='store_true',
+ default=False,
+ help='Only output packages installed in user-site.')
+ self.cmd_opts.add_option(cmdoptions.list_path())
+ self.cmd_opts.add_option(
+ '--pre',
+ action='store_true',
+ default=False,
+ help=("Include pre-release and development versions. By default, "
+ "pip only finds stable versions."),
+ )
+
+ self.cmd_opts.add_option(
+ '--format',
+ action='store',
+ dest='list_format',
+ default="columns",
+ choices=('columns', 'freeze', 'json'),
+ help="Select the output format among: columns (default), freeze, "
+ "or json",
+ )
+
+ self.cmd_opts.add_option(
+ '--not-required',
+ action='store_true',
+ dest='not_required',
+ help="List packages that are not dependencies of "
+ "installed packages.",
+ )
+
+ self.cmd_opts.add_option(
+ '--exclude-editable',
+ action='store_false',
+ dest='include_editable',
+ help='Exclude editable package from output.',
+ )
+ self.cmd_opts.add_option(
+ '--include-editable',
+ action='store_true',
+ dest='include_editable',
+ help='Include editable package from output.',
+ default=True,
+ )
+ self.cmd_opts.add_option(cmdoptions.list_exclude())
+ index_opts = cmdoptions.make_option_group(
+ cmdoptions.index_group, self.parser
+ )
+
+ self.parser.insert_option_group(0, index_opts)
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def _build_package_finder(
+ self, options: Values, session: PipSession
+ ) -> PackageFinder:
+ """
+ Create a package finder appropriate to this list command.
+ """
+ link_collector = LinkCollector.create(session, options=options)
+
+ # Pass allow_yanked=False to ignore yanked versions.
+ selection_prefs = SelectionPreferences(
+ allow_yanked=False,
+ allow_all_prereleases=options.pre,
+ )
+
+ return PackageFinder.create(
+ link_collector=link_collector,
+ selection_prefs=selection_prefs,
+ )
+
+ def run(self, options: Values, args: List[str]) -> int:
+ if options.outdated and options.uptodate:
+ raise CommandError(
+ "Options --outdated and --uptodate cannot be combined.")
+
+ cmdoptions.check_list_path_option(options)
+
+ skip = set(stdlib_pkgs)
+ if options.excludes:
+ skip.update(canonicalize_name(n) for n in options.excludes)
+
+ packages: "_ProcessedDists" = [
+ cast("_DistWithLatestInfo", d)
+ for d in get_environment(options.path).iter_installed_distributions(
+ local_only=options.local,
+ user_only=options.user,
+ editables_only=options.editable,
+ include_editables=options.include_editable,
+ skip=skip,
+ )
+ ]
+
+ # get_not_required must be called firstly in order to find and
+ # filter out all dependencies correctly. Otherwise a package
+ # can't be identified as requirement because some parent packages
+ # could be filtered out before.
+ if options.not_required:
+ packages = self.get_not_required(packages, options)
+
+ if options.outdated:
+ packages = self.get_outdated(packages, options)
+ elif options.uptodate:
+ packages = self.get_uptodate(packages, options)
+
+ self.output_package_listing(packages, options)
+ return SUCCESS
+
+ def get_outdated(
+ self, packages: "_ProcessedDists", options: Values
+ ) -> "_ProcessedDists":
+ return [
+ dist for dist in self.iter_packages_latest_infos(packages, options)
+ if dist.latest_version > dist.version
+ ]
+
+ def get_uptodate(
+ self, packages: "_ProcessedDists", options: Values
+ ) -> "_ProcessedDists":
+ return [
+ dist for dist in self.iter_packages_latest_infos(packages, options)
+ if dist.latest_version == dist.version
+ ]
+
+ def get_not_required(
+ self, packages: "_ProcessedDists", options: Values
+ ) -> "_ProcessedDists":
+ dep_keys = {
+ canonicalize_name(dep.name)
+ for dist in packages
+ for dep in (dist.iter_dependencies() or ())
+ }
+
+ # Create a set to remove duplicate packages, and cast it to a list
+ # to keep the return type consistent with get_outdated and
+ # get_uptodate
+ return list({pkg for pkg in packages if pkg.canonical_name not in dep_keys})
+
+ def iter_packages_latest_infos(
+ self, packages: "_ProcessedDists", options: Values
+ ) -> Iterator["_DistWithLatestInfo"]:
+ with self._build_session(options) as session:
+ finder = self._build_package_finder(options, session)
+
+ def latest_info(
+ dist: "_DistWithLatestInfo"
+ ) -> Optional["_DistWithLatestInfo"]:
+ all_candidates = finder.find_all_candidates(dist.canonical_name)
+ if not options.pre:
+ # Remove prereleases
+ all_candidates = [candidate for candidate in all_candidates
+ if not candidate.version.is_prerelease]
+
+ evaluator = finder.make_candidate_evaluator(
+ project_name=dist.canonical_name,
+ )
+ best_candidate = evaluator.sort_best_candidate(all_candidates)
+ if best_candidate is None:
+ return None
+
+ remote_version = best_candidate.version
+ if best_candidate.link.is_wheel:
+ typ = 'wheel'
+ else:
+ typ = 'sdist'
+ dist.latest_version = remote_version
+ dist.latest_filetype = typ
+ return dist
+
+ for dist in map_multithread(latest_info, packages):
+ if dist is not None:
+ yield dist
+
+ def output_package_listing(
+ self, packages: "_ProcessedDists", options: Values
+ ) -> None:
+ packages = sorted(
+ packages,
+ key=lambda dist: dist.canonical_name,
+ )
+ if options.list_format == 'columns' and packages:
+ data, header = format_for_columns(packages, options)
+ self.output_package_listing_columns(data, header)
+ elif options.list_format == 'freeze':
+ for dist in packages:
+ if options.verbose >= 1:
+ write_output("%s==%s (%s)", dist.raw_name,
+ dist.version, dist.location)
+ else:
+ write_output("%s==%s", dist.raw_name, dist.version)
+ elif options.list_format == 'json':
+ write_output(format_for_json(packages, options))
+
+ def output_package_listing_columns(
+ self, data: List[List[str]], header: List[str]
+ ) -> None:
+ # insert the header first: we need to know the size of column names
+ if len(data) > 0:
+ data.insert(0, header)
+
+ pkg_strings, sizes = tabulate(data)
+
+ # Create and add a separator.
+ if len(data) > 0:
+ pkg_strings.insert(1, " ".join(map(lambda x: '-' * x, sizes)))
+
+ for val in pkg_strings:
+ write_output(val)
+
+
+def format_for_columns(
+ pkgs: "_ProcessedDists", options: Values
+) -> Tuple[List[List[str]], List[str]]:
+ """
+ Convert the package data into something usable
+ by output_package_listing_columns.
+ """
+ running_outdated = options.outdated
+ # Adjust the header for the `pip list --outdated` case.
+ if running_outdated:
+ header = ["Package", "Version", "Latest", "Type"]
+ else:
+ header = ["Package", "Version"]
+
+ data = []
+ if options.verbose >= 1 or any(x.editable for x in pkgs):
+ header.append("Location")
+ if options.verbose >= 1:
+ header.append("Installer")
+
+ for proj in pkgs:
+ # if we're working on the 'outdated' list, separate out the
+ # latest_version and type
+ row = [proj.raw_name, str(proj.version)]
+
+ if running_outdated:
+ row.append(str(proj.latest_version))
+ row.append(proj.latest_filetype)
+
+ if options.verbose >= 1 or proj.editable:
+ row.append(proj.location or "")
+ if options.verbose >= 1:
+ row.append(proj.installer)
+
+ data.append(row)
+
+ return data, header
+
+
+def format_for_json(packages: "_ProcessedDists", options: Values) -> str:
+ data = []
+ for dist in packages:
+ info = {
+ 'name': dist.raw_name,
+ 'version': str(dist.version),
+ }
+ if options.verbose >= 1:
+ info['location'] = dist.location or ""
+ info['installer'] = dist.installer
+ if options.outdated:
+ info['latest_version'] = str(dist.latest_version)
+ info['latest_filetype'] = dist.latest_filetype
+ data.append(info)
+ return json.dumps(data)
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/search.py b/Scripts/Lib/site-packages/pip/_internal/commands/search.py
new file mode 100644
index 0000000..7a20ba1
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/search.py
@@ -0,0 +1,164 @@
+import logging
+import shutil
+import sys
+import textwrap
+import xmlrpc.client
+from collections import OrderedDict
+from optparse import Values
+from typing import TYPE_CHECKING, Dict, List, Optional
+
+from pip._vendor.packaging.version import parse as parse_version
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.req_command import SessionCommandMixin
+from pip._internal.cli.status_codes import NO_MATCHES_FOUND, SUCCESS
+from pip._internal.exceptions import CommandError
+from pip._internal.metadata import get_default_environment
+from pip._internal.models.index import PyPI
+from pip._internal.network.xmlrpc import PipXmlrpcTransport
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import write_output
+
+if TYPE_CHECKING:
+ from typing import TypedDict
+
+ class TransformedHit(TypedDict):
+ name: str
+ summary: str
+ versions: List[str]
+
+logger = logging.getLogger(__name__)
+
+
+class SearchCommand(Command, SessionCommandMixin):
+ """Search for PyPI packages whose name or summary contains ."""
+
+ usage = """
+ %prog [options] """
+ ignore_require_venv = True
+
+ def add_options(self) -> None:
+ self.cmd_opts.add_option(
+ '-i', '--index',
+ dest='index',
+ metavar='URL',
+ default=PyPI.pypi_url,
+ help='Base URL of Python Package Index (default %default)')
+
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options: Values, args: List[str]) -> int:
+ if not args:
+ raise CommandError('Missing required argument (search query).')
+ query = args
+ pypi_hits = self.search(query, options)
+ hits = transform_hits(pypi_hits)
+
+ terminal_width = None
+ if sys.stdout.isatty():
+ terminal_width = shutil.get_terminal_size()[0]
+
+ print_results(hits, terminal_width=terminal_width)
+ if pypi_hits:
+ return SUCCESS
+ return NO_MATCHES_FOUND
+
+ def search(self, query: List[str], options: Values) -> List[Dict[str, str]]:
+ index_url = options.index
+
+ session = self.get_default_session(options)
+
+ transport = PipXmlrpcTransport(index_url, session)
+ pypi = xmlrpc.client.ServerProxy(index_url, transport)
+ try:
+ hits = pypi.search({'name': query, 'summary': query}, 'or')
+ except xmlrpc.client.Fault as fault:
+ message = "XMLRPC request failed [code: {code}]\n{string}".format(
+ code=fault.faultCode,
+ string=fault.faultString,
+ )
+ raise CommandError(message)
+ assert isinstance(hits, list)
+ return hits
+
+
+def transform_hits(hits: List[Dict[str, str]]) -> List["TransformedHit"]:
+ """
+ The list from pypi is really a list of versions. We want a list of
+ packages with the list of versions stored inline. This converts the
+ list from pypi into one we can use.
+ """
+ packages: Dict[str, "TransformedHit"] = OrderedDict()
+ for hit in hits:
+ name = hit['name']
+ summary = hit['summary']
+ version = hit['version']
+
+ if name not in packages.keys():
+ packages[name] = {
+ 'name': name,
+ 'summary': summary,
+ 'versions': [version],
+ }
+ else:
+ packages[name]['versions'].append(version)
+
+ # if this is the highest version, replace summary and score
+ if version == highest_version(packages[name]['versions']):
+ packages[name]['summary'] = summary
+
+ return list(packages.values())
+
+
+def print_dist_installation_info(name: str, latest: str) -> None:
+ env = get_default_environment()
+ dist = env.get_distribution(name)
+ if dist is not None:
+ with indent_log():
+ if dist.version == latest:
+ write_output('INSTALLED: %s (latest)', dist.version)
+ else:
+ write_output('INSTALLED: %s', dist.version)
+ if parse_version(latest).pre:
+ write_output('LATEST: %s (pre-release; install'
+ ' with "pip install --pre")', latest)
+ else:
+ write_output('LATEST: %s', latest)
+
+
+def print_results(
+ hits: List["TransformedHit"],
+ name_column_width: Optional[int] = None,
+ terminal_width: Optional[int] = None,
+) -> None:
+ if not hits:
+ return
+ if name_column_width is None:
+ name_column_width = max([
+ len(hit['name']) + len(highest_version(hit.get('versions', ['-'])))
+ for hit in hits
+ ]) + 4
+
+ for hit in hits:
+ name = hit['name']
+ summary = hit['summary'] or ''
+ latest = highest_version(hit.get('versions', ['-']))
+ if terminal_width is not None:
+ target_width = terminal_width - name_column_width - 5
+ if target_width > 10:
+ # wrap and indent summary to fit terminal
+ summary_lines = textwrap.wrap(summary, target_width)
+ summary = ('\n' + ' ' * (name_column_width + 3)).join(
+ summary_lines)
+
+ name_latest = f'{name} ({latest})'
+ line = f'{name_latest:{name_column_width}} - {summary}'
+ try:
+ write_output(line)
+ print_dist_installation_info(name, latest)
+ except UnicodeEncodeError:
+ pass
+
+
+def highest_version(versions: List[str]) -> str:
+ return max(versions, key=parse_version)
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/show.py b/Scripts/Lib/site-packages/pip/_internal/commands/show.py
new file mode 100644
index 0000000..5b2de39
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/show.py
@@ -0,0 +1,234 @@
+import csv
+import logging
+import pathlib
+from optparse import Values
+from typing import Iterator, List, NamedTuple, Optional, Tuple
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.status_codes import ERROR, SUCCESS
+from pip._internal.metadata import BaseDistribution, get_default_environment
+from pip._internal.utils.misc import write_output
+
+logger = logging.getLogger(__name__)
+
+
+class ShowCommand(Command):
+ """
+ Show information about one or more installed packages.
+
+ The output is in RFC-compliant mail header format.
+ """
+
+ usage = """
+ %prog [options] ..."""
+ ignore_require_venv = True
+
+ def add_options(self) -> None:
+ self.cmd_opts.add_option(
+ '-f', '--files',
+ dest='files',
+ action='store_true',
+ default=False,
+ help='Show the full list of installed files for each package.')
+
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options: Values, args: List[str]) -> int:
+ if not args:
+ logger.warning('ERROR: Please provide a package name or names.')
+ return ERROR
+ query = args
+
+ results = search_packages_info(query)
+ if not print_results(
+ results, list_files=options.files, verbose=options.verbose):
+ return ERROR
+ return SUCCESS
+
+
+class _PackageInfo(NamedTuple):
+ name: str
+ version: str
+ location: str
+ requires: List[str]
+ required_by: List[str]
+ installer: str
+ metadata_version: str
+ classifiers: List[str]
+ summary: str
+ homepage: str
+ author: str
+ author_email: str
+ license: str
+ entry_points: List[str]
+ files: Optional[List[str]]
+
+
+def _covert_legacy_entry(entry: Tuple[str, ...], info: Tuple[str, ...]) -> str:
+ """Convert a legacy installed-files.txt path into modern RECORD path.
+
+ The legacy format stores paths relative to the info directory, while the
+ modern format stores paths relative to the package root, e.g. the
+ site-packages directory.
+
+ :param entry: Path parts of the installed-files.txt entry.
+ :param info: Path parts of the egg-info directory relative to package root.
+ :returns: The converted entry.
+
+ For best compatibility with symlinks, this does not use ``abspath()`` or
+ ``Path.resolve()``, but tries to work with path parts:
+
+ 1. While ``entry`` starts with ``..``, remove the equal amounts of parts
+ from ``info``; if ``info`` is empty, start appending ``..`` instead.
+ 2. Join the two directly.
+ """
+ while entry and entry[0] == "..":
+ if not info or info[-1] == "..":
+ info += ("..",)
+ else:
+ info = info[:-1]
+ entry = entry[1:]
+ return str(pathlib.Path(*info, *entry))
+
+
+def search_packages_info(query: List[str]) -> Iterator[_PackageInfo]:
+ """
+ Gather details from installed distributions. Print distribution name,
+ version, location, and installed files. Installed files requires a
+ pip generated 'installed-files.txt' in the distributions '.egg-info'
+ directory.
+ """
+ env = get_default_environment()
+
+ installed = {
+ dist.canonical_name: dist
+ for dist in env.iter_distributions()
+ }
+ query_names = [canonicalize_name(name) for name in query]
+ missing = sorted(
+ [name for name, pkg in zip(query, query_names) if pkg not in installed]
+ )
+ if missing:
+ logger.warning('Package(s) not found: %s', ', '.join(missing))
+
+ def _get_requiring_packages(current_dist: BaseDistribution) -> List[str]:
+ return [
+ dist.metadata["Name"] or "UNKNOWN"
+ for dist in installed.values()
+ if current_dist.canonical_name in {
+ canonicalize_name(d.name) for d in dist.iter_dependencies()
+ }
+ ]
+
+ def _files_from_record(dist: BaseDistribution) -> Optional[Iterator[str]]:
+ try:
+ text = dist.read_text('RECORD')
+ except FileNotFoundError:
+ return None
+ # This extra Path-str cast normalizes entries.
+ return (str(pathlib.Path(row[0])) for row in csv.reader(text.splitlines()))
+
+ def _files_from_legacy(dist: BaseDistribution) -> Optional[Iterator[str]]:
+ try:
+ text = dist.read_text('installed-files.txt')
+ except FileNotFoundError:
+ return None
+ paths = (p for p in text.splitlines(keepends=False) if p)
+ root = dist.location
+ info = dist.info_directory
+ if root is None or info is None:
+ return paths
+ try:
+ info_rel = pathlib.Path(info).relative_to(root)
+ except ValueError: # info is not relative to root.
+ return paths
+ if not info_rel.parts: # info *is* root.
+ return paths
+ return (
+ _covert_legacy_entry(pathlib.Path(p).parts, info_rel.parts)
+ for p in paths
+ )
+
+ for query_name in query_names:
+ try:
+ dist = installed[query_name]
+ except KeyError:
+ continue
+
+ try:
+ entry_points_text = dist.read_text('entry_points.txt')
+ entry_points = entry_points_text.splitlines(keepends=False)
+ except FileNotFoundError:
+ entry_points = []
+
+ files_iter = _files_from_record(dist) or _files_from_legacy(dist)
+ if files_iter is None:
+ files: Optional[List[str]] = None
+ else:
+ files = sorted(files_iter)
+
+ metadata = dist.metadata
+
+ yield _PackageInfo(
+ name=dist.raw_name,
+ version=str(dist.version),
+ location=dist.location or "",
+ requires=[req.name for req in dist.iter_dependencies()],
+ required_by=_get_requiring_packages(dist),
+ installer=dist.installer,
+ metadata_version=dist.metadata_version or "",
+ classifiers=metadata.get_all("Classifier", []),
+ summary=metadata.get("Summary", ""),
+ homepage=metadata.get("Home-page", ""),
+ author=metadata.get("Author", ""),
+ author_email=metadata.get("Author-email", ""),
+ license=metadata.get("License", ""),
+ entry_points=entry_points,
+ files=files,
+ )
+
+
+def print_results(
+ distributions: Iterator[_PackageInfo],
+ list_files: bool,
+ verbose: bool,
+) -> bool:
+ """
+ Print the information from installed distributions found.
+ """
+ results_printed = False
+ for i, dist in enumerate(distributions):
+ results_printed = True
+ if i > 0:
+ write_output("---")
+
+ write_output("Name: %s", dist.name)
+ write_output("Version: %s", dist.version)
+ write_output("Summary: %s", dist.summary)
+ write_output("Home-page: %s", dist.homepage)
+ write_output("Author: %s", dist.author)
+ write_output("Author-email: %s", dist.author_email)
+ write_output("License: %s", dist.license)
+ write_output("Location: %s", dist.location)
+ write_output("Requires: %s", ', '.join(dist.requires))
+ write_output("Required-by: %s", ', '.join(dist.required_by))
+
+ if verbose:
+ write_output("Metadata-Version: %s", dist.metadata_version)
+ write_output("Installer: %s", dist.installer)
+ write_output("Classifiers:")
+ for classifier in dist.classifiers:
+ write_output(" %s", classifier)
+ write_output("Entry-points:")
+ for entry in dist.entry_points:
+ write_output(" %s", entry.strip())
+ if list_files:
+ write_output("Files:")
+ if dist.files is None:
+ write_output("Cannot locate RECORD or installed-files.txt")
+ else:
+ for line in dist.files:
+ write_output(" %s", line.strip())
+ return results_printed
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/uninstall.py b/Scripts/Lib/site-packages/pip/_internal/commands/uninstall.py
new file mode 100644
index 0000000..c590627
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/uninstall.py
@@ -0,0 +1,100 @@
+import logging
+from optparse import Values
+from typing import List
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.cli.base_command import Command
+from pip._internal.cli.req_command import SessionCommandMixin, warn_if_run_as_root
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.exceptions import InstallationError
+from pip._internal.req import parse_requirements
+from pip._internal.req.constructors import (
+ install_req_from_line,
+ install_req_from_parsed_requirement,
+)
+from pip._internal.utils.misc import protect_pip_from_modification_on_windows
+
+logger = logging.getLogger(__name__)
+
+
+class UninstallCommand(Command, SessionCommandMixin):
+ """
+ Uninstall packages.
+
+ pip is able to uninstall most installed packages. Known exceptions are:
+
+ - Pure distutils packages installed with ``python setup.py install``, which
+ leave behind no metadata to determine what files were installed.
+ - Script wrappers installed by ``python setup.py develop``.
+ """
+
+ usage = """
+ %prog [options] ...
+ %prog [options] -r ..."""
+
+ def add_options(self) -> None:
+ self.cmd_opts.add_option(
+ '-r', '--requirement',
+ dest='requirements',
+ action='append',
+ default=[],
+ metavar='file',
+ help='Uninstall all the packages listed in the given requirements '
+ 'file. This option can be used multiple times.',
+ )
+ self.cmd_opts.add_option(
+ '-y', '--yes',
+ dest='yes',
+ action='store_true',
+ help="Don't ask for confirmation of uninstall deletions.")
+
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ def run(self, options: Values, args: List[str]) -> int:
+ session = self.get_default_session(options)
+
+ reqs_to_uninstall = {}
+ for name in args:
+ req = install_req_from_line(
+ name, isolated=options.isolated_mode,
+ )
+ if req.name:
+ reqs_to_uninstall[canonicalize_name(req.name)] = req
+ else:
+ logger.warning(
+ "Invalid requirement: %r ignored -"
+ " the uninstall command expects named"
+ " requirements.",
+ name,
+ )
+ for filename in options.requirements:
+ for parsed_req in parse_requirements(
+ filename,
+ options=options,
+ session=session):
+ req = install_req_from_parsed_requirement(
+ parsed_req,
+ isolated=options.isolated_mode
+ )
+ if req.name:
+ reqs_to_uninstall[canonicalize_name(req.name)] = req
+ if not reqs_to_uninstall:
+ raise InstallationError(
+ f'You must give at least one requirement to {self.name} (see '
+ f'"pip help {self.name}")'
+ )
+
+ protect_pip_from_modification_on_windows(
+ modifying_pip="pip" in reqs_to_uninstall
+ )
+
+ for req in reqs_to_uninstall.values():
+ uninstall_pathset = req.uninstall(
+ auto_confirm=options.yes, verbose=self.verbosity > 0,
+ )
+ if uninstall_pathset:
+ uninstall_pathset.commit()
+
+ warn_if_run_as_root()
+ return SUCCESS
diff --git a/Scripts/Lib/site-packages/pip/_internal/commands/wheel.py b/Scripts/Lib/site-packages/pip/_internal/commands/wheel.py
new file mode 100644
index 0000000..c8bf4e2
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/commands/wheel.py
@@ -0,0 +1,176 @@
+import logging
+import os
+import shutil
+from optparse import Values
+from typing import List
+
+from pip._internal.cache import WheelCache
+from pip._internal.cli import cmdoptions
+from pip._internal.cli.req_command import RequirementCommand, with_cleanup
+from pip._internal.cli.status_codes import SUCCESS
+from pip._internal.exceptions import CommandError
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.req.req_tracker import get_requirement_tracker
+from pip._internal.utils.misc import ensure_dir, normalize_path
+from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.wheel_builder import build, should_build_for_wheel_command
+
+logger = logging.getLogger(__name__)
+
+
+class WheelCommand(RequirementCommand):
+ """
+ Build Wheel archives for your requirements and dependencies.
+
+ Wheel is a built-package format, and offers the advantage of not
+ recompiling your software during every install. For more details, see the
+ wheel docs: https://wheel.readthedocs.io/en/latest/
+
+ Requirements: setuptools>=0.8, and wheel.
+
+ 'pip wheel' uses the bdist_wheel setuptools extension from the wheel
+ package to build individual wheels.
+
+ """
+
+ usage = """
+ %prog [options] ...
+ %prog [options] -r ...
+ %prog [options] [-e] ...
+ %prog [options] [-e] ...
+ %prog [options] ..."""
+
+ def add_options(self) -> None:
+
+ self.cmd_opts.add_option(
+ '-w', '--wheel-dir',
+ dest='wheel_dir',
+ metavar='dir',
+ default=os.curdir,
+ help=("Build wheels into , where the default is the "
+ "current working directory."),
+ )
+ self.cmd_opts.add_option(cmdoptions.no_binary())
+ self.cmd_opts.add_option(cmdoptions.only_binary())
+ self.cmd_opts.add_option(cmdoptions.prefer_binary())
+ self.cmd_opts.add_option(cmdoptions.no_build_isolation())
+ self.cmd_opts.add_option(cmdoptions.use_pep517())
+ self.cmd_opts.add_option(cmdoptions.no_use_pep517())
+ self.cmd_opts.add_option(cmdoptions.constraints())
+ self.cmd_opts.add_option(cmdoptions.editable())
+ self.cmd_opts.add_option(cmdoptions.requirements())
+ self.cmd_opts.add_option(cmdoptions.src())
+ self.cmd_opts.add_option(cmdoptions.ignore_requires_python())
+ self.cmd_opts.add_option(cmdoptions.no_deps())
+ self.cmd_opts.add_option(cmdoptions.build_dir())
+ self.cmd_opts.add_option(cmdoptions.progress_bar())
+
+ self.cmd_opts.add_option(
+ '--no-verify',
+ dest='no_verify',
+ action='store_true',
+ default=False,
+ help="Don't verify if built wheel is valid.",
+ )
+
+ self.cmd_opts.add_option(cmdoptions.build_options())
+ self.cmd_opts.add_option(cmdoptions.global_options())
+
+ self.cmd_opts.add_option(
+ '--pre',
+ action='store_true',
+ default=False,
+ help=("Include pre-release and development versions. By default, "
+ "pip only finds stable versions."),
+ )
+
+ self.cmd_opts.add_option(cmdoptions.require_hashes())
+
+ index_opts = cmdoptions.make_option_group(
+ cmdoptions.index_group,
+ self.parser,
+ )
+
+ self.parser.insert_option_group(0, index_opts)
+ self.parser.insert_option_group(0, self.cmd_opts)
+
+ @with_cleanup
+ def run(self, options: Values, args: List[str]) -> int:
+ cmdoptions.check_install_build_global(options)
+
+ session = self.get_default_session(options)
+
+ finder = self._build_package_finder(options, session)
+ wheel_cache = WheelCache(options.cache_dir, options.format_control)
+
+ options.wheel_dir = normalize_path(options.wheel_dir)
+ ensure_dir(options.wheel_dir)
+
+ req_tracker = self.enter_context(get_requirement_tracker())
+
+ directory = TempDirectory(
+ delete=not options.no_clean,
+ kind="wheel",
+ globally_managed=True,
+ )
+
+ reqs = self.get_requirements(args, options, finder, session)
+
+ preparer = self.make_requirement_preparer(
+ temp_build_dir=directory,
+ options=options,
+ req_tracker=req_tracker,
+ session=session,
+ finder=finder,
+ download_dir=options.wheel_dir,
+ use_user_site=False,
+ )
+
+ resolver = self.make_resolver(
+ preparer=preparer,
+ finder=finder,
+ options=options,
+ wheel_cache=wheel_cache,
+ ignore_requires_python=options.ignore_requires_python,
+ use_pep517=options.use_pep517,
+ )
+
+ self.trace_basic_info(finder)
+
+ requirement_set = resolver.resolve(
+ reqs, check_supported_wheels=True
+ )
+
+ reqs_to_build: List[InstallRequirement] = []
+ for req in requirement_set.requirements.values():
+ if req.is_wheel:
+ preparer.save_linked_requirement(req)
+ elif should_build_for_wheel_command(req):
+ reqs_to_build.append(req)
+
+ # build wheels
+ build_successes, build_failures = build(
+ reqs_to_build,
+ wheel_cache=wheel_cache,
+ verify=(not options.no_verify),
+ build_options=options.build_options or [],
+ global_options=options.global_options or [],
+ )
+ for req in build_successes:
+ assert req.link and req.link.is_wheel
+ assert req.local_file_path
+ # copy from cache to target directory
+ try:
+ shutil.copy(req.local_file_path, options.wheel_dir)
+ except OSError as e:
+ logger.warning(
+ "Building wheel for %s failed: %s",
+ req.name, e,
+ )
+ build_failures.append(req)
+ if len(build_failures) != 0:
+ raise CommandError(
+ "Failed to build one or more wheels"
+ )
+
+ return SUCCESS
diff --git a/Scripts/Lib/site-packages/pip/_internal/configuration.py b/Scripts/Lib/site-packages/pip/_internal/configuration.py
new file mode 100644
index 0000000..a4698ec
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/configuration.py
@@ -0,0 +1,403 @@
+"""Configuration management setup
+
+Some terminology:
+- name
+ As written in config files.
+- value
+ Value associated with a name
+- key
+ Name combined with it's section (section.name)
+- variant
+ A single word describing where the configuration key-value pair came from
+"""
+
+import configparser
+import locale
+import logging
+import os
+import sys
+from typing import Any, Dict, Iterable, List, NewType, Optional, Tuple
+
+from pip._internal.exceptions import (
+ ConfigurationError,
+ ConfigurationFileCouldNotBeLoaded,
+)
+from pip._internal.utils import appdirs
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.misc import ensure_dir, enum
+
+RawConfigParser = configparser.RawConfigParser # Shorthand
+Kind = NewType("Kind", str)
+
+CONFIG_BASENAME = 'pip.ini' if WINDOWS else 'pip.conf'
+ENV_NAMES_IGNORED = "version", "help"
+
+# The kinds of configurations there are.
+kinds = enum(
+ USER="user", # User Specific
+ GLOBAL="global", # System Wide
+ SITE="site", # [Virtual] Environment Specific
+ ENV="env", # from PIP_CONFIG_FILE
+ ENV_VAR="env-var", # from Environment Variables
+)
+OVERRIDE_ORDER = kinds.GLOBAL, kinds.USER, kinds.SITE, kinds.ENV, kinds.ENV_VAR
+VALID_LOAD_ONLY = kinds.USER, kinds.GLOBAL, kinds.SITE
+
+logger = logging.getLogger(__name__)
+
+
+# NOTE: Maybe use the optionx attribute to normalize keynames.
+def _normalize_name(name):
+ # type: (str) -> str
+ """Make a name consistent regardless of source (environment or file)
+ """
+ name = name.lower().replace('_', '-')
+ if name.startswith('--'):
+ name = name[2:] # only prefer long opts
+ return name
+
+
+def _disassemble_key(name):
+ # type: (str) -> List[str]
+ if "." not in name:
+ error_message = (
+ "Key does not contain dot separated section and key. "
+ "Perhaps you wanted to use 'global.{}' instead?"
+ ).format(name)
+ raise ConfigurationError(error_message)
+ return name.split(".", 1)
+
+
+def get_configuration_files():
+ # type: () -> Dict[Kind, List[str]]
+ global_config_files = [
+ os.path.join(path, CONFIG_BASENAME)
+ for path in appdirs.site_config_dirs('pip')
+ ]
+
+ site_config_file = os.path.join(sys.prefix, CONFIG_BASENAME)
+ legacy_config_file = os.path.join(
+ os.path.expanduser('~'),
+ 'pip' if WINDOWS else '.pip',
+ CONFIG_BASENAME,
+ )
+ new_config_file = os.path.join(
+ appdirs.user_config_dir("pip"), CONFIG_BASENAME
+ )
+ return {
+ kinds.GLOBAL: global_config_files,
+ kinds.SITE: [site_config_file],
+ kinds.USER: [legacy_config_file, new_config_file],
+ }
+
+
+class Configuration:
+ """Handles management of configuration.
+
+ Provides an interface to accessing and managing configuration files.
+
+ This class converts provides an API that takes "section.key-name" style
+ keys and stores the value associated with it as "key-name" under the
+ section "section".
+
+ This allows for a clean interface wherein the both the section and the
+ key-name are preserved in an easy to manage form in the configuration files
+ and the data stored is also nice.
+ """
+
+ def __init__(self, isolated, load_only=None):
+ # type: (bool, Optional[Kind]) -> None
+ super().__init__()
+
+ if load_only is not None and load_only not in VALID_LOAD_ONLY:
+ raise ConfigurationError(
+ "Got invalid value for load_only - should be one of {}".format(
+ ", ".join(map(repr, VALID_LOAD_ONLY))
+ )
+ )
+ self.isolated = isolated
+ self.load_only = load_only
+
+ # Because we keep track of where we got the data from
+ self._parsers = {
+ variant: [] for variant in OVERRIDE_ORDER
+ } # type: Dict[Kind, List[Tuple[str, RawConfigParser]]]
+ self._config = {
+ variant: {} for variant in OVERRIDE_ORDER
+ } # type: Dict[Kind, Dict[str, Any]]
+ self._modified_parsers = [] # type: List[Tuple[str, RawConfigParser]]
+
+ def load(self):
+ # type: () -> None
+ """Loads configuration from configuration files and environment
+ """
+ self._load_config_files()
+ if not self.isolated:
+ self._load_environment_vars()
+
+ def get_file_to_edit(self):
+ # type: () -> Optional[str]
+ """Returns the file with highest priority in configuration
+ """
+ assert self.load_only is not None, \
+ "Need to be specified a file to be editing"
+
+ try:
+ return self._get_parser_to_modify()[0]
+ except IndexError:
+ return None
+
+ def items(self):
+ # type: () -> Iterable[Tuple[str, Any]]
+ """Returns key-value pairs like dict.items() representing the loaded
+ configuration
+ """
+ return self._dictionary.items()
+
+ def get_value(self, key):
+ # type: (str) -> Any
+ """Get a value from the configuration.
+ """
+ try:
+ return self._dictionary[key]
+ except KeyError:
+ raise ConfigurationError(f"No such key - {key}")
+
+ def set_value(self, key, value):
+ # type: (str, Any) -> None
+ """Modify a value in the configuration.
+ """
+ self._ensure_have_load_only()
+
+ assert self.load_only
+ fname, parser = self._get_parser_to_modify()
+
+ if parser is not None:
+ section, name = _disassemble_key(key)
+
+ # Modify the parser and the configuration
+ if not parser.has_section(section):
+ parser.add_section(section)
+ parser.set(section, name, value)
+
+ self._config[self.load_only][key] = value
+ self._mark_as_modified(fname, parser)
+
+ def unset_value(self, key):
+ # type: (str) -> None
+ """Unset a value in the configuration."""
+ self._ensure_have_load_only()
+
+ assert self.load_only
+ if key not in self._config[self.load_only]:
+ raise ConfigurationError(f"No such key - {key}")
+
+ fname, parser = self._get_parser_to_modify()
+
+ if parser is not None:
+ section, name = _disassemble_key(key)
+ if not (parser.has_section(section)
+ and parser.remove_option(section, name)):
+ # The option was not removed.
+ raise ConfigurationError(
+ "Fatal Internal error [id=1]. Please report as a bug."
+ )
+
+ # The section may be empty after the option was removed.
+ if not parser.items(section):
+ parser.remove_section(section)
+ self._mark_as_modified(fname, parser)
+
+ del self._config[self.load_only][key]
+
+ def save(self):
+ # type: () -> None
+ """Save the current in-memory state.
+ """
+ self._ensure_have_load_only()
+
+ for fname, parser in self._modified_parsers:
+ logger.info("Writing to %s", fname)
+
+ # Ensure directory exists.
+ ensure_dir(os.path.dirname(fname))
+
+ with open(fname, "w") as f:
+ parser.write(f)
+
+ #
+ # Private routines
+ #
+
+ def _ensure_have_load_only(self):
+ # type: () -> None
+ if self.load_only is None:
+ raise ConfigurationError("Needed a specific file to be modifying.")
+ logger.debug("Will be working with %s variant only", self.load_only)
+
+ @property
+ def _dictionary(self):
+ # type: () -> Dict[str, Any]
+ """A dictionary representing the loaded configuration.
+ """
+ # NOTE: Dictionaries are not populated if not loaded. So, conditionals
+ # are not needed here.
+ retval = {}
+
+ for variant in OVERRIDE_ORDER:
+ retval.update(self._config[variant])
+
+ return retval
+
+ def _load_config_files(self):
+ # type: () -> None
+ """Loads configuration from configuration files
+ """
+ config_files = dict(self.iter_config_files())
+ if config_files[kinds.ENV][0:1] == [os.devnull]:
+ logger.debug(
+ "Skipping loading configuration files due to "
+ "environment's PIP_CONFIG_FILE being os.devnull"
+ )
+ return
+
+ for variant, files in config_files.items():
+ for fname in files:
+ # If there's specific variant set in `load_only`, load only
+ # that variant, not the others.
+ if self.load_only is not None and variant != self.load_only:
+ logger.debug(
+ "Skipping file '%s' (variant: %s)", fname, variant
+ )
+ continue
+
+ parser = self._load_file(variant, fname)
+
+ # Keeping track of the parsers used
+ self._parsers[variant].append((fname, parser))
+
+ def _load_file(self, variant, fname):
+ # type: (Kind, str) -> RawConfigParser
+ logger.debug("For variant '%s', will try loading '%s'", variant, fname)
+ parser = self._construct_parser(fname)
+
+ for section in parser.sections():
+ items = parser.items(section)
+ self._config[variant].update(self._normalized_keys(section, items))
+
+ return parser
+
+ def _construct_parser(self, fname):
+ # type: (str) -> RawConfigParser
+ parser = configparser.RawConfigParser()
+ # If there is no such file, don't bother reading it but create the
+ # parser anyway, to hold the data.
+ # Doing this is useful when modifying and saving files, where we don't
+ # need to construct a parser.
+ if os.path.exists(fname):
+ try:
+ parser.read(fname)
+ except UnicodeDecodeError:
+ # See https://github.com/pypa/pip/issues/4963
+ raise ConfigurationFileCouldNotBeLoaded(
+ reason="contains invalid {} characters".format(
+ locale.getpreferredencoding(False)
+ ),
+ fname=fname,
+ )
+ except configparser.Error as error:
+ # See https://github.com/pypa/pip/issues/4893
+ raise ConfigurationFileCouldNotBeLoaded(error=error)
+ return parser
+
+ def _load_environment_vars(self):
+ # type: () -> None
+ """Loads configuration from environment variables
+ """
+ self._config[kinds.ENV_VAR].update(
+ self._normalized_keys(":env:", self.get_environ_vars())
+ )
+
+ def _normalized_keys(self, section, items):
+ # type: (str, Iterable[Tuple[str, Any]]) -> Dict[str, Any]
+ """Normalizes items to construct a dictionary with normalized keys.
+
+ This routine is where the names become keys and are made the same
+ regardless of source - configuration files or environment.
+ """
+ normalized = {}
+ for name, val in items:
+ key = section + "." + _normalize_name(name)
+ normalized[key] = val
+ return normalized
+
+ def get_environ_vars(self):
+ # type: () -> Iterable[Tuple[str, str]]
+ """Returns a generator with all environmental vars with prefix PIP_"""
+ for key, val in os.environ.items():
+ if key.startswith("PIP_"):
+ name = key[4:].lower()
+ if name not in ENV_NAMES_IGNORED:
+ yield name, val
+
+ # XXX: This is patched in the tests.
+ def iter_config_files(self):
+ # type: () -> Iterable[Tuple[Kind, List[str]]]
+ """Yields variant and configuration files associated with it.
+
+ This should be treated like items of a dictionary.
+ """
+ # SMELL: Move the conditions out of this function
+
+ # environment variables have the lowest priority
+ config_file = os.environ.get('PIP_CONFIG_FILE', None)
+ if config_file is not None:
+ yield kinds.ENV, [config_file]
+ else:
+ yield kinds.ENV, []
+
+ config_files = get_configuration_files()
+
+ # at the base we have any global configuration
+ yield kinds.GLOBAL, config_files[kinds.GLOBAL]
+
+ # per-user configuration next
+ should_load_user_config = not self.isolated and not (
+ config_file and os.path.exists(config_file)
+ )
+ if should_load_user_config:
+ # The legacy config file is overridden by the new config file
+ yield kinds.USER, config_files[kinds.USER]
+
+ # finally virtualenv configuration first trumping others
+ yield kinds.SITE, config_files[kinds.SITE]
+
+ def get_values_in_config(self, variant):
+ # type: (Kind) -> Dict[str, Any]
+ """Get values present in a config file"""
+ return self._config[variant]
+
+ def _get_parser_to_modify(self):
+ # type: () -> Tuple[str, RawConfigParser]
+ # Determine which parser to modify
+ assert self.load_only
+ parsers = self._parsers[self.load_only]
+ if not parsers:
+ # This should not happen if everything works correctly.
+ raise ConfigurationError(
+ "Fatal Internal error [id=2]. Please report as a bug."
+ )
+
+ # Use the highest priority parser.
+ return parsers[-1]
+
+ # XXX: This is patched in the tests.
+ def _mark_as_modified(self, fname, parser):
+ # type: (str, RawConfigParser) -> None
+ file_parser_tuple = (fname, parser)
+ if file_parser_tuple not in self._modified_parsers:
+ self._modified_parsers.append(file_parser_tuple)
+
+ def __repr__(self):
+ # type: () -> str
+ return f"{self.__class__.__name__}({self._dictionary!r})"
diff --git a/Scripts/Lib/site-packages/pip/_internal/distributions/__init__.py b/Scripts/Lib/site-packages/pip/_internal/distributions/__init__.py
new file mode 100644
index 0000000..9a89a83
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/distributions/__init__.py
@@ -0,0 +1,21 @@
+from pip._internal.distributions.base import AbstractDistribution
+from pip._internal.distributions.sdist import SourceDistribution
+from pip._internal.distributions.wheel import WheelDistribution
+from pip._internal.req.req_install import InstallRequirement
+
+
+def make_distribution_for_install_requirement(
+ install_req: InstallRequirement,
+) -> AbstractDistribution:
+ """Returns a Distribution for the given InstallRequirement"""
+ # Editable requirements will always be source distributions. They use the
+ # legacy logic until we create a modern standard for them.
+ if install_req.editable:
+ return SourceDistribution(install_req)
+
+ # If it's a wheel, it's a WheelDistribution
+ if install_req.is_wheel:
+ return WheelDistribution(install_req)
+
+ # Otherwise, a SourceDistribution
+ return SourceDistribution(install_req)
diff --git a/Scripts/Lib/site-packages/pip/_internal/distributions/__pycache__/__init__.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_internal/distributions/__pycache__/__init__.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_internal/distributions/base.py b/Scripts/Lib/site-packages/pip/_internal/distributions/base.py
new file mode 100644
index 0000000..fbdd5e4
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/distributions/base.py
@@ -0,0 +1,38 @@
+import abc
+from typing import Optional
+
+from pip._vendor.pkg_resources import Distribution
+
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.req import InstallRequirement
+
+
+class AbstractDistribution(metaclass=abc.ABCMeta):
+ """A base class for handling installable artifacts.
+
+ The requirements for anything installable are as follows:
+
+ - we must be able to determine the requirement name
+ (or we can't correctly handle the non-upgrade case).
+
+ - for packages with setup requirements, we must also be able
+ to determine their requirements without installing additional
+ packages (for the same reason as run-time dependencies)
+
+ - we must be able to create a Distribution object exposing the
+ above metadata.
+ """
+
+ def __init__(self, req: InstallRequirement) -> None:
+ super().__init__()
+ self.req = req
+
+ @abc.abstractmethod
+ def get_pkg_resources_distribution(self) -> Optional[Distribution]:
+ raise NotImplementedError()
+
+ @abc.abstractmethod
+ def prepare_distribution_metadata(
+ self, finder: PackageFinder, build_isolation: bool
+ ) -> None:
+ raise NotImplementedError()
diff --git a/Scripts/Lib/site-packages/pip/_internal/distributions/installed.py b/Scripts/Lib/site-packages/pip/_internal/distributions/installed.py
new file mode 100644
index 0000000..0d452e2
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/distributions/installed.py
@@ -0,0 +1,22 @@
+from typing import Optional
+
+from pip._vendor.pkg_resources import Distribution
+
+from pip._internal.distributions.base import AbstractDistribution
+from pip._internal.index.package_finder import PackageFinder
+
+
+class InstalledDistribution(AbstractDistribution):
+ """Represents an installed package.
+
+ This does not need any preparation as the required information has already
+ been computed.
+ """
+
+ def get_pkg_resources_distribution(self) -> Optional[Distribution]:
+ return self.req.satisfied_by
+
+ def prepare_distribution_metadata(
+ self, finder: PackageFinder, build_isolation: bool
+ ) -> None:
+ pass
diff --git a/Scripts/Lib/site-packages/pip/_internal/distributions/sdist.py b/Scripts/Lib/site-packages/pip/_internal/distributions/sdist.py
new file mode 100644
index 0000000..596b516
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/distributions/sdist.py
@@ -0,0 +1,95 @@
+import logging
+from typing import Set, Tuple
+
+from pip._vendor.pkg_resources import Distribution
+
+from pip._internal.build_env import BuildEnvironment
+from pip._internal.distributions.base import AbstractDistribution
+from pip._internal.exceptions import InstallationError
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.utils.subprocess import runner_with_spinner_message
+
+logger = logging.getLogger(__name__)
+
+
+class SourceDistribution(AbstractDistribution):
+ """Represents a source distribution.
+
+ The preparation step for these needs metadata for the packages to be
+ generated, either using PEP 517 or using the legacy `setup.py egg_info`.
+ """
+
+ def get_pkg_resources_distribution(self) -> Distribution:
+ return self.req.get_dist()
+
+ def prepare_distribution_metadata(
+ self, finder: PackageFinder, build_isolation: bool
+ ) -> None:
+ # Load pyproject.toml, to determine whether PEP 517 is to be used
+ self.req.load_pyproject_toml()
+
+ # Set up the build isolation, if this requirement should be isolated
+ should_isolate = self.req.use_pep517 and build_isolation
+ if should_isolate:
+ self._setup_isolation(finder)
+
+ self.req.prepare_metadata()
+
+ def _setup_isolation(self, finder: PackageFinder) -> None:
+ def _raise_conflicts(
+ conflicting_with: str, conflicting_reqs: Set[Tuple[str, str]]
+ ) -> None:
+ format_string = (
+ "Some build dependencies for {requirement} "
+ "conflict with {conflicting_with}: {description}."
+ )
+ error_message = format_string.format(
+ requirement=self.req,
+ conflicting_with=conflicting_with,
+ description=", ".join(
+ f"{installed} is incompatible with {wanted}"
+ for installed, wanted in sorted(conflicting)
+ ),
+ )
+ raise InstallationError(error_message)
+
+ # Isolate in a BuildEnvironment and install the build-time
+ # requirements.
+ pyproject_requires = self.req.pyproject_requires
+ assert pyproject_requires is not None
+
+ self.req.build_env = BuildEnvironment()
+ self.req.build_env.install_requirements(
+ finder, pyproject_requires, "overlay", "Installing build dependencies"
+ )
+ conflicting, missing = self.req.build_env.check_requirements(
+ self.req.requirements_to_check
+ )
+ if conflicting:
+ _raise_conflicts("PEP 517/518 supported requirements", conflicting)
+ if missing:
+ logger.warning(
+ "Missing build requirements in pyproject.toml for %s.",
+ self.req,
+ )
+ logger.warning(
+ "The project does not specify a build backend, and "
+ "pip cannot fall back to setuptools without %s.",
+ " and ".join(map(repr, sorted(missing))),
+ )
+ # Install any extra build dependencies that the backend requests.
+ # This must be done in a second pass, as the pyproject.toml
+ # dependencies must be installed before we can call the backend.
+ with self.req.build_env:
+ runner = runner_with_spinner_message("Getting requirements to build wheel")
+ backend = self.req.pep517_backend
+ assert backend is not None
+ with backend.subprocess_runner(runner):
+ reqs = backend.get_requires_for_build_wheel()
+
+ conflicting, missing = self.req.build_env.check_requirements(reqs)
+ if conflicting:
+ _raise_conflicts("the backend dependencies", conflicting)
+ self.req.build_env.install_requirements(
+ finder, missing, "normal", "Installing backend dependencies"
+ )
diff --git a/Scripts/Lib/site-packages/pip/_internal/distributions/wheel.py b/Scripts/Lib/site-packages/pip/_internal/distributions/wheel.py
new file mode 100644
index 0000000..00a70b0
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/distributions/wheel.py
@@ -0,0 +1,34 @@
+from zipfile import ZipFile
+
+from pip._vendor.pkg_resources import Distribution
+
+from pip._internal.distributions.base import AbstractDistribution
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.utils.wheel import pkg_resources_distribution_for_wheel
+
+
+class WheelDistribution(AbstractDistribution):
+ """Represents a wheel distribution.
+
+ This does not need any preparation as wheels can be directly unpacked.
+ """
+
+ def get_pkg_resources_distribution(self) -> Distribution:
+ """Loads the metadata from the wheel file into memory and returns a
+ Distribution that uses it, not relying on the wheel file or
+ requirement.
+ """
+ # Set as part of preparation during download.
+ assert self.req.local_file_path
+ # Wheels are never unnamed.
+ assert self.req.name
+
+ with ZipFile(self.req.local_file_path, allowZip64=True) as z:
+ return pkg_resources_distribution_for_wheel(
+ z, self.req.name, self.req.local_file_path
+ )
+
+ def prepare_distribution_metadata(
+ self, finder: PackageFinder, build_isolation: bool
+ ) -> None:
+ pass
diff --git a/Scripts/Lib/site-packages/pip/_internal/exceptions.py b/Scripts/Lib/site-packages/pip/_internal/exceptions.py
new file mode 100644
index 0000000..8aacf81
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/exceptions.py
@@ -0,0 +1,397 @@
+"""Exceptions used throughout package"""
+
+import configparser
+from itertools import chain, groupby, repeat
+from typing import TYPE_CHECKING, Dict, List, Optional
+
+from pip._vendor.pkg_resources import Distribution
+from pip._vendor.requests.models import Request, Response
+
+if TYPE_CHECKING:
+ from hashlib import _Hash
+
+ from pip._internal.req.req_install import InstallRequirement
+
+
+class PipError(Exception):
+ """Base pip exception"""
+
+
+class ConfigurationError(PipError):
+ """General exception in configuration"""
+
+
+class InstallationError(PipError):
+ """General exception during installation"""
+
+
+class UninstallationError(PipError):
+ """General exception during uninstallation"""
+
+
+class NoneMetadataError(PipError):
+ """
+ Raised when accessing "METADATA" or "PKG-INFO" metadata for a
+ pip._vendor.pkg_resources.Distribution object and
+ `dist.has_metadata('METADATA')` returns True but
+ `dist.get_metadata('METADATA')` returns None (and similarly for
+ "PKG-INFO").
+ """
+
+ def __init__(self, dist, metadata_name):
+ # type: (Distribution, str) -> None
+ """
+ :param dist: A Distribution object.
+ :param metadata_name: The name of the metadata being accessed
+ (can be "METADATA" or "PKG-INFO").
+ """
+ self.dist = dist
+ self.metadata_name = metadata_name
+
+ def __str__(self):
+ # type: () -> str
+ # Use `dist` in the error message because its stringification
+ # includes more information, like the version and location.
+ return (
+ 'None {} metadata found for distribution: {}'.format(
+ self.metadata_name, self.dist,
+ )
+ )
+
+
+class UserInstallationInvalid(InstallationError):
+ """A --user install is requested on an environment without user site."""
+
+ def __str__(self):
+ # type: () -> str
+ return "User base directory is not specified"
+
+
+class InvalidSchemeCombination(InstallationError):
+ def __str__(self):
+ # type: () -> str
+ before = ", ".join(str(a) for a in self.args[:-1])
+ return f"Cannot set {before} and {self.args[-1]} together"
+
+
+class DistributionNotFound(InstallationError):
+ """Raised when a distribution cannot be found to satisfy a requirement"""
+
+
+class RequirementsFileParseError(InstallationError):
+ """Raised when a general error occurs parsing a requirements file line."""
+
+
+class BestVersionAlreadyInstalled(PipError):
+ """Raised when the most up-to-date version of a package is already
+ installed."""
+
+
+class BadCommand(PipError):
+ """Raised when virtualenv or a command is not found"""
+
+
+class CommandError(PipError):
+ """Raised when there is an error in command-line arguments"""
+
+
+class PreviousBuildDirError(PipError):
+ """Raised when there's a previous conflicting build directory"""
+
+
+class NetworkConnectionError(PipError):
+ """HTTP connection error"""
+
+ def __init__(self, error_msg, response=None, request=None):
+ # type: (str, Response, Request) -> None
+ """
+ Initialize NetworkConnectionError with `request` and `response`
+ objects.
+ """
+ self.response = response
+ self.request = request
+ self.error_msg = error_msg
+ if (self.response is not None and not self.request and
+ hasattr(response, 'request')):
+ self.request = self.response.request
+ super().__init__(error_msg, response, request)
+
+ def __str__(self):
+ # type: () -> str
+ return str(self.error_msg)
+
+
+class InvalidWheelFilename(InstallationError):
+ """Invalid wheel filename."""
+
+
+class UnsupportedWheel(InstallationError):
+ """Unsupported wheel."""
+
+
+class MetadataInconsistent(InstallationError):
+ """Built metadata contains inconsistent information.
+
+ This is raised when the metadata contains values (e.g. name and version)
+ that do not match the information previously obtained from sdist filename
+ or user-supplied ``#egg=`` value.
+ """
+ def __init__(self, ireq, field, f_val, m_val):
+ # type: (InstallRequirement, str, str, str) -> None
+ self.ireq = ireq
+ self.field = field
+ self.f_val = f_val
+ self.m_val = m_val
+
+ def __str__(self):
+ # type: () -> str
+ template = (
+ "Requested {} has inconsistent {}: "
+ "filename has {!r}, but metadata has {!r}"
+ )
+ return template.format(self.ireq, self.field, self.f_val, self.m_val)
+
+
+class InstallationSubprocessError(InstallationError):
+ """A subprocess call failed during installation."""
+ def __init__(self, returncode, description):
+ # type: (int, str) -> None
+ self.returncode = returncode
+ self.description = description
+
+ def __str__(self):
+ # type: () -> str
+ return (
+ "Command errored out with exit status {}: {} "
+ "Check the logs for full command output."
+ ).format(self.returncode, self.description)
+
+
+class HashErrors(InstallationError):
+ """Multiple HashError instances rolled into one for reporting"""
+
+ def __init__(self):
+ # type: () -> None
+ self.errors = [] # type: List[HashError]
+
+ def append(self, error):
+ # type: (HashError) -> None
+ self.errors.append(error)
+
+ def __str__(self):
+ # type: () -> str
+ lines = []
+ self.errors.sort(key=lambda e: e.order)
+ for cls, errors_of_cls in groupby(self.errors, lambda e: e.__class__):
+ lines.append(cls.head)
+ lines.extend(e.body() for e in errors_of_cls)
+ if lines:
+ return '\n'.join(lines)
+ return ''
+
+ def __nonzero__(self):
+ # type: () -> bool
+ return bool(self.errors)
+
+ def __bool__(self):
+ # type: () -> bool
+ return self.__nonzero__()
+
+
+class HashError(InstallationError):
+ """
+ A failure to verify a package against known-good hashes
+
+ :cvar order: An int sorting hash exception classes by difficulty of
+ recovery (lower being harder), so the user doesn't bother fretting
+ about unpinned packages when he has deeper issues, like VCS
+ dependencies, to deal with. Also keeps error reports in a
+ deterministic order.
+ :cvar head: A section heading for display above potentially many
+ exceptions of this kind
+ :ivar req: The InstallRequirement that triggered this error. This is
+ pasted on after the exception is instantiated, because it's not
+ typically available earlier.
+
+ """
+ req = None # type: Optional[InstallRequirement]
+ head = ''
+ order = -1 # type: int
+
+ def body(self):
+ # type: () -> str
+ """Return a summary of me for display under the heading.
+
+ This default implementation simply prints a description of the
+ triggering requirement.
+
+ :param req: The InstallRequirement that provoked this error, with
+ its link already populated by the resolver's _populate_link().
+
+ """
+ return f' {self._requirement_name()}'
+
+ def __str__(self):
+ # type: () -> str
+ return f'{self.head}\n{self.body()}'
+
+ def _requirement_name(self):
+ # type: () -> str
+ """Return a description of the requirement that triggered me.
+
+ This default implementation returns long description of the req, with
+ line numbers
+
+ """
+ return str(self.req) if self.req else 'unknown package'
+
+
+class VcsHashUnsupported(HashError):
+ """A hash was provided for a version-control-system-based requirement, but
+ we don't have a method for hashing those."""
+
+ order = 0
+ head = ("Can't verify hashes for these requirements because we don't "
+ "have a way to hash version control repositories:")
+
+
+class DirectoryUrlHashUnsupported(HashError):
+ """A hash was provided for a version-control-system-based requirement, but
+ we don't have a method for hashing those."""
+
+ order = 1
+ head = ("Can't verify hashes for these file:// requirements because they "
+ "point to directories:")
+
+
+class HashMissing(HashError):
+ """A hash was needed for a requirement but is absent."""
+
+ order = 2
+ head = ('Hashes are required in --require-hashes mode, but they are '
+ 'missing from some requirements. Here is a list of those '
+ 'requirements along with the hashes their downloaded archives '
+ 'actually had. Add lines like these to your requirements files to '
+ 'prevent tampering. (If you did not enable --require-hashes '
+ 'manually, note that it turns on automatically when any package '
+ 'has a hash.)')
+
+ def __init__(self, gotten_hash):
+ # type: (str) -> None
+ """
+ :param gotten_hash: The hash of the (possibly malicious) archive we
+ just downloaded
+ """
+ self.gotten_hash = gotten_hash
+
+ def body(self):
+ # type: () -> str
+ # Dodge circular import.
+ from pip._internal.utils.hashes import FAVORITE_HASH
+
+ package = None
+ if self.req:
+ # In the case of URL-based requirements, display the original URL
+ # seen in the requirements file rather than the package name,
+ # so the output can be directly copied into the requirements file.
+ package = (self.req.original_link if self.req.original_link
+ # In case someone feeds something downright stupid
+ # to InstallRequirement's constructor.
+ else getattr(self.req, 'req', None))
+ return ' {} --hash={}:{}'.format(package or 'unknown package',
+ FAVORITE_HASH,
+ self.gotten_hash)
+
+
+class HashUnpinned(HashError):
+ """A requirement had a hash specified but was not pinned to a specific
+ version."""
+
+ order = 3
+ head = ('In --require-hashes mode, all requirements must have their '
+ 'versions pinned with ==. These do not:')
+
+
+class HashMismatch(HashError):
+ """
+ Distribution file hash values don't match.
+
+ :ivar package_name: The name of the package that triggered the hash
+ mismatch. Feel free to write to this after the exception is raise to
+ improve its error message.
+
+ """
+ order = 4
+ head = ('THESE PACKAGES DO NOT MATCH THE HASHES FROM THE REQUIREMENTS '
+ 'FILE. If you have updated the package versions, please update '
+ 'the hashes. Otherwise, examine the package contents carefully; '
+ 'someone may have tampered with them.')
+
+ def __init__(self, allowed, gots):
+ # type: (Dict[str, List[str]], Dict[str, _Hash]) -> None
+ """
+ :param allowed: A dict of algorithm names pointing to lists of allowed
+ hex digests
+ :param gots: A dict of algorithm names pointing to hashes we
+ actually got from the files under suspicion
+ """
+ self.allowed = allowed
+ self.gots = gots
+
+ def body(self):
+ # type: () -> str
+ return ' {}:\n{}'.format(self._requirement_name(),
+ self._hash_comparison())
+
+ def _hash_comparison(self):
+ # type: () -> str
+ """
+ Return a comparison of actual and expected hash values.
+
+ Example::
+
+ Expected sha256 abcdeabcdeabcdeabcdeabcdeabcdeabcdeabcdeabcde
+ or 123451234512345123451234512345123451234512345
+ Got bcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdef
+
+ """
+ def hash_then_or(hash_name):
+ # type: (str) -> chain[str]
+ # For now, all the decent hashes have 6-char names, so we can get
+ # away with hard-coding space literals.
+ return chain([hash_name], repeat(' or'))
+
+ lines = [] # type: List[str]
+ for hash_name, expecteds in self.allowed.items():
+ prefix = hash_then_or(hash_name)
+ lines.extend((' Expected {} {}'.format(next(prefix), e))
+ for e in expecteds)
+ lines.append(' Got {}\n'.format(
+ self.gots[hash_name].hexdigest()))
+ return '\n'.join(lines)
+
+
+class UnsupportedPythonVersion(InstallationError):
+ """Unsupported python version according to Requires-Python package
+ metadata."""
+
+
+class ConfigurationFileCouldNotBeLoaded(ConfigurationError):
+ """When there are errors while loading a configuration file
+ """
+
+ def __init__(self, reason="could not be loaded", fname=None, error=None):
+ # type: (str, Optional[str], Optional[configparser.Error]) -> None
+ super().__init__(error)
+ self.reason = reason
+ self.fname = fname
+ self.error = error
+
+ def __str__(self):
+ # type: () -> str
+ if self.fname is not None:
+ message_part = f" in {self.fname}."
+ else:
+ assert self.error is not None
+ message_part = f".\n{self.error}\n"
+ return f"Configuration file {self.reason}{message_part}"
diff --git a/Scripts/Lib/site-packages/pip/_internal/index/__init__.py b/Scripts/Lib/site-packages/pip/_internal/index/__init__.py
new file mode 100644
index 0000000..7a17b7b
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/index/__init__.py
@@ -0,0 +1,2 @@
+"""Index interaction code
+"""
diff --git a/Scripts/Lib/site-packages/pip/_internal/index/__pycache__/__init__.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_internal/index/__pycache__/__init__.cpython-310.pyc
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@@ -0,0 +1,534 @@
+"""
+The main purpose of this module is to expose LinkCollector.collect_sources().
+"""
+
+import cgi
+import collections
+import functools
+import html
+import itertools
+import logging
+import os
+import re
+import urllib.parse
+import urllib.request
+import xml.etree.ElementTree
+from optparse import Values
+from typing import (
+ Callable,
+ Iterable,
+ List,
+ MutableMapping,
+ NamedTuple,
+ Optional,
+ Sequence,
+ Union,
+)
+
+from pip._vendor import html5lib, requests
+from pip._vendor.requests import Response
+from pip._vendor.requests.exceptions import RetryError, SSLError
+
+from pip._internal.exceptions import NetworkConnectionError
+from pip._internal.models.link import Link
+from pip._internal.models.search_scope import SearchScope
+from pip._internal.network.session import PipSession
+from pip._internal.network.utils import raise_for_status
+from pip._internal.utils.filetypes import is_archive_file
+from pip._internal.utils.misc import pairwise, redact_auth_from_url
+from pip._internal.vcs import vcs
+
+from .sources import CandidatesFromPage, LinkSource, build_source
+
+logger = logging.getLogger(__name__)
+
+HTMLElement = xml.etree.ElementTree.Element
+ResponseHeaders = MutableMapping[str, str]
+
+
+def _match_vcs_scheme(url: str) -> Optional[str]:
+ """Look for VCS schemes in the URL.
+
+ Returns the matched VCS scheme, or None if there's no match.
+ """
+ for scheme in vcs.schemes:
+ if url.lower().startswith(scheme) and url[len(scheme)] in '+:':
+ return scheme
+ return None
+
+
+class _NotHTML(Exception):
+ def __init__(self, content_type: str, request_desc: str) -> None:
+ super().__init__(content_type, request_desc)
+ self.content_type = content_type
+ self.request_desc = request_desc
+
+
+def _ensure_html_header(response: Response) -> None:
+ """Check the Content-Type header to ensure the response contains HTML.
+
+ Raises `_NotHTML` if the content type is not text/html.
+ """
+ content_type = response.headers.get("Content-Type", "")
+ if not content_type.lower().startswith("text/html"):
+ raise _NotHTML(content_type, response.request.method)
+
+
+class _NotHTTP(Exception):
+ pass
+
+
+def _ensure_html_response(url: str, session: PipSession) -> None:
+ """Send a HEAD request to the URL, and ensure the response contains HTML.
+
+ Raises `_NotHTTP` if the URL is not available for a HEAD request, or
+ `_NotHTML` if the content type is not text/html.
+ """
+ scheme, netloc, path, query, fragment = urllib.parse.urlsplit(url)
+ if scheme not in {'http', 'https'}:
+ raise _NotHTTP()
+
+ resp = session.head(url, allow_redirects=True)
+ raise_for_status(resp)
+
+ _ensure_html_header(resp)
+
+
+def _get_html_response(url: str, session: PipSession) -> Response:
+ """Access an HTML page with GET, and return the response.
+
+ This consists of three parts:
+
+ 1. If the URL looks suspiciously like an archive, send a HEAD first to
+ check the Content-Type is HTML, to avoid downloading a large file.
+ Raise `_NotHTTP` if the content type cannot be determined, or
+ `_NotHTML` if it is not HTML.
+ 2. Actually perform the request. Raise HTTP exceptions on network failures.
+ 3. Check the Content-Type header to make sure we got HTML, and raise
+ `_NotHTML` otherwise.
+ """
+ if is_archive_file(Link(url).filename):
+ _ensure_html_response(url, session=session)
+
+ logger.debug('Getting page %s', redact_auth_from_url(url))
+
+ resp = session.get(
+ url,
+ headers={
+ "Accept": "text/html",
+ # We don't want to blindly returned cached data for
+ # /simple/, because authors generally expecting that
+ # twine upload && pip install will function, but if
+ # they've done a pip install in the last ~10 minutes
+ # it won't. Thus by setting this to zero we will not
+ # blindly use any cached data, however the benefit of
+ # using max-age=0 instead of no-cache, is that we will
+ # still support conditional requests, so we will still
+ # minimize traffic sent in cases where the page hasn't
+ # changed at all, we will just always incur the round
+ # trip for the conditional GET now instead of only
+ # once per 10 minutes.
+ # For more information, please see pypa/pip#5670.
+ "Cache-Control": "max-age=0",
+ },
+ )
+ raise_for_status(resp)
+
+ # The check for archives above only works if the url ends with
+ # something that looks like an archive. However that is not a
+ # requirement of an url. Unless we issue a HEAD request on every
+ # url we cannot know ahead of time for sure if something is HTML
+ # or not. However we can check after we've downloaded it.
+ _ensure_html_header(resp)
+
+ return resp
+
+
+def _get_encoding_from_headers(headers: ResponseHeaders) -> Optional[str]:
+ """Determine if we have any encoding information in our headers.
+ """
+ if headers and "Content-Type" in headers:
+ content_type, params = cgi.parse_header(headers["Content-Type"])
+ if "charset" in params:
+ return params['charset']
+ return None
+
+
+def _determine_base_url(document: HTMLElement, page_url: str) -> str:
+ """Determine the HTML document's base URL.
+
+ This looks for a ``'
+ return (False, f'yanked for reason: {reason}')
+
+ if link.egg_fragment:
+ egg_info = link.egg_fragment
+ ext = link.ext
+ else:
+ egg_info, ext = link.splitext()
+ if not ext:
+ return (False, 'not a file')
+ if ext not in SUPPORTED_EXTENSIONS:
+ return (False, f'unsupported archive format: {ext}')
+ if "binary" not in self._formats and ext == WHEEL_EXTENSION:
+ reason = 'No binaries permitted for {}'.format(
+ self.project_name)
+ return (False, reason)
+ if "macosx10" in link.path and ext == '.zip':
+ return (False, 'macosx10 one')
+ if ext == WHEEL_EXTENSION:
+ try:
+ wheel = Wheel(link.filename)
+ except InvalidWheelFilename:
+ return (False, 'invalid wheel filename')
+ if canonicalize_name(wheel.name) != self._canonical_name:
+ reason = 'wrong project name (not {})'.format(
+ self.project_name)
+ return (False, reason)
+
+ supported_tags = self._target_python.get_tags()
+ if not wheel.supported(supported_tags):
+ # Include the wheel's tags in the reason string to
+ # simplify troubleshooting compatibility issues.
+ file_tags = wheel.get_formatted_file_tags()
+ reason = (
+ "none of the wheel's tags ({}) are compatible "
+ "(run pip debug --verbose to show compatible tags)".format(
+ ', '.join(file_tags)
+ )
+ )
+ return (False, reason)
+
+ version = wheel.version
+
+ # This should be up by the self.ok_binary check, but see issue 2700.
+ if "source" not in self._formats and ext != WHEEL_EXTENSION:
+ reason = f'No sources permitted for {self.project_name}'
+ return (False, reason)
+
+ if not version:
+ version = _extract_version_from_fragment(
+ egg_info, self._canonical_name,
+ )
+ if not version:
+ reason = f'Missing project version for {self.project_name}'
+ return (False, reason)
+
+ match = self._py_version_re.search(version)
+ if match:
+ version = version[:match.start()]
+ py_version = match.group(1)
+ if py_version != self._target_python.py_version:
+ return (False, 'Python version is incorrect')
+
+ supports_python = _check_link_requires_python(
+ link, version_info=self._target_python.py_version_info,
+ ignore_requires_python=self._ignore_requires_python,
+ )
+ if not supports_python:
+ # Return None for the reason text to suppress calling
+ # _log_skipped_link().
+ return (False, None)
+
+ logger.debug('Found link %s, version: %s', link, version)
+
+ return (True, version)
+
+
+def filter_unallowed_hashes(
+ candidates: List[InstallationCandidate],
+ hashes: Hashes,
+ project_name: str,
+) -> List[InstallationCandidate]:
+ """
+ Filter out candidates whose hashes aren't allowed, and return a new
+ list of candidates.
+
+ If at least one candidate has an allowed hash, then all candidates with
+ either an allowed hash or no hash specified are returned. Otherwise,
+ the given candidates are returned.
+
+ Including the candidates with no hash specified when there is a match
+ allows a warning to be logged if there is a more preferred candidate
+ with no hash specified. Returning all candidates in the case of no
+ matches lets pip report the hash of the candidate that would otherwise
+ have been installed (e.g. permitting the user to more easily update
+ their requirements file with the desired hash).
+ """
+ if not hashes:
+ logger.debug(
+ 'Given no hashes to check %s links for project %r: '
+ 'discarding no candidates',
+ len(candidates),
+ project_name,
+ )
+ # Make sure we're not returning back the given value.
+ return list(candidates)
+
+ matches_or_no_digest = []
+ # Collect the non-matches for logging purposes.
+ non_matches = []
+ match_count = 0
+ for candidate in candidates:
+ link = candidate.link
+ if not link.has_hash:
+ pass
+ elif link.is_hash_allowed(hashes=hashes):
+ match_count += 1
+ else:
+ non_matches.append(candidate)
+ continue
+
+ matches_or_no_digest.append(candidate)
+
+ if match_count:
+ filtered = matches_or_no_digest
+ else:
+ # Make sure we're not returning back the given value.
+ filtered = list(candidates)
+
+ if len(filtered) == len(candidates):
+ discard_message = 'discarding no candidates'
+ else:
+ discard_message = 'discarding {} non-matches:\n {}'.format(
+ len(non_matches),
+ '\n '.join(str(candidate.link) for candidate in non_matches)
+ )
+
+ logger.debug(
+ 'Checked %s links for project %r against %s hashes '
+ '(%s matches, %s no digest): %s',
+ len(candidates),
+ project_name,
+ hashes.digest_count,
+ match_count,
+ len(matches_or_no_digest) - match_count,
+ discard_message
+ )
+
+ return filtered
+
+
+class CandidatePreferences:
+
+ """
+ Encapsulates some of the preferences for filtering and sorting
+ InstallationCandidate objects.
+ """
+
+ def __init__(
+ self,
+ prefer_binary: bool = False,
+ allow_all_prereleases: bool = False,
+ ) -> None:
+ """
+ :param allow_all_prereleases: Whether to allow all pre-releases.
+ """
+ self.allow_all_prereleases = allow_all_prereleases
+ self.prefer_binary = prefer_binary
+
+
+class BestCandidateResult:
+ """A collection of candidates, returned by `PackageFinder.find_best_candidate`.
+
+ This class is only intended to be instantiated by CandidateEvaluator's
+ `compute_best_candidate()` method.
+ """
+
+ def __init__(
+ self,
+ candidates: List[InstallationCandidate],
+ applicable_candidates: List[InstallationCandidate],
+ best_candidate: Optional[InstallationCandidate],
+ ) -> None:
+ """
+ :param candidates: A sequence of all available candidates found.
+ :param applicable_candidates: The applicable candidates.
+ :param best_candidate: The most preferred candidate found, or None
+ if no applicable candidates were found.
+ """
+ assert set(applicable_candidates) <= set(candidates)
+
+ if best_candidate is None:
+ assert not applicable_candidates
+ else:
+ assert best_candidate in applicable_candidates
+
+ self._applicable_candidates = applicable_candidates
+ self._candidates = candidates
+
+ self.best_candidate = best_candidate
+
+ def iter_all(self) -> Iterable[InstallationCandidate]:
+ """Iterate through all candidates.
+ """
+ return iter(self._candidates)
+
+ def iter_applicable(self) -> Iterable[InstallationCandidate]:
+ """Iterate through the applicable candidates.
+ """
+ return iter(self._applicable_candidates)
+
+
+class CandidateEvaluator:
+
+ """
+ Responsible for filtering and sorting candidates for installation based
+ on what tags are valid.
+ """
+
+ @classmethod
+ def create(
+ cls,
+ project_name: str,
+ target_python: Optional[TargetPython] = None,
+ prefer_binary: bool = False,
+ allow_all_prereleases: bool = False,
+ specifier: Optional[specifiers.BaseSpecifier] = None,
+ hashes: Optional[Hashes] = None,
+ ) -> "CandidateEvaluator":
+ """Create a CandidateEvaluator object.
+
+ :param target_python: The target Python interpreter to use when
+ checking compatibility. If None (the default), a TargetPython
+ object will be constructed from the running Python.
+ :param specifier: An optional object implementing `filter`
+ (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
+ versions.
+ :param hashes: An optional collection of allowed hashes.
+ """
+ if target_python is None:
+ target_python = TargetPython()
+ if specifier is None:
+ specifier = specifiers.SpecifierSet()
+
+ supported_tags = target_python.get_tags()
+
+ return cls(
+ project_name=project_name,
+ supported_tags=supported_tags,
+ specifier=specifier,
+ prefer_binary=prefer_binary,
+ allow_all_prereleases=allow_all_prereleases,
+ hashes=hashes,
+ )
+
+ def __init__(
+ self,
+ project_name: str,
+ supported_tags: List[Tag],
+ specifier: specifiers.BaseSpecifier,
+ prefer_binary: bool = False,
+ allow_all_prereleases: bool = False,
+ hashes: Optional[Hashes] = None,
+ ) -> None:
+ """
+ :param supported_tags: The PEP 425 tags supported by the target
+ Python in order of preference (most preferred first).
+ """
+ self._allow_all_prereleases = allow_all_prereleases
+ self._hashes = hashes
+ self._prefer_binary = prefer_binary
+ self._project_name = project_name
+ self._specifier = specifier
+ self._supported_tags = supported_tags
+ # Since the index of the tag in the _supported_tags list is used
+ # as a priority, precompute a map from tag to index/priority to be
+ # used in wheel.find_most_preferred_tag.
+ self._wheel_tag_preferences = {
+ tag: idx for idx, tag in enumerate(supported_tags)
+ }
+
+ def get_applicable_candidates(
+ self,
+ candidates: List[InstallationCandidate],
+ ) -> List[InstallationCandidate]:
+ """
+ Return the applicable candidates from a list of candidates.
+ """
+ # Using None infers from the specifier instead.
+ allow_prereleases = self._allow_all_prereleases or None
+ specifier = self._specifier
+ versions = {
+ str(v) for v in specifier.filter(
+ # We turn the version object into a str here because otherwise
+ # when we're debundled but setuptools isn't, Python will see
+ # packaging.version.Version and
+ # pkg_resources._vendor.packaging.version.Version as different
+ # types. This way we'll use a str as a common data interchange
+ # format. If we stop using the pkg_resources provided specifier
+ # and start using our own, we can drop the cast to str().
+ (str(c.version) for c in candidates),
+ prereleases=allow_prereleases,
+ )
+ }
+
+ # Again, converting version to str to deal with debundling.
+ applicable_candidates = [
+ c for c in candidates if str(c.version) in versions
+ ]
+
+ filtered_applicable_candidates = filter_unallowed_hashes(
+ candidates=applicable_candidates,
+ hashes=self._hashes,
+ project_name=self._project_name,
+ )
+
+ return sorted(filtered_applicable_candidates, key=self._sort_key)
+
+ def _sort_key(self, candidate: InstallationCandidate) -> CandidateSortingKey:
+ """
+ Function to pass as the `key` argument to a call to sorted() to sort
+ InstallationCandidates by preference.
+
+ Returns a tuple such that tuples sorting as greater using Python's
+ default comparison operator are more preferred.
+
+ The preference is as follows:
+
+ First and foremost, candidates with allowed (matching) hashes are
+ always preferred over candidates without matching hashes. This is
+ because e.g. if the only candidate with an allowed hash is yanked,
+ we still want to use that candidate.
+
+ Second, excepting hash considerations, candidates that have been
+ yanked (in the sense of PEP 592) are always less preferred than
+ candidates that haven't been yanked. Then:
+
+ If not finding wheels, they are sorted by version only.
+ If finding wheels, then the sort order is by version, then:
+ 1. existing installs
+ 2. wheels ordered via Wheel.support_index_min(self._supported_tags)
+ 3. source archives
+ If prefer_binary was set, then all wheels are sorted above sources.
+
+ Note: it was considered to embed this logic into the Link
+ comparison operators, but then different sdist links
+ with the same version, would have to be considered equal
+ """
+ valid_tags = self._supported_tags
+ support_num = len(valid_tags)
+ build_tag: BuildTag = ()
+ binary_preference = 0
+ link = candidate.link
+ if link.is_wheel:
+ # can raise InvalidWheelFilename
+ wheel = Wheel(link.filename)
+ try:
+ pri = -(wheel.find_most_preferred_tag(
+ valid_tags, self._wheel_tag_preferences
+ ))
+ except ValueError:
+ raise UnsupportedWheel(
+ "{} is not a supported wheel for this platform. It "
+ "can't be sorted.".format(wheel.filename)
+ )
+ if self._prefer_binary:
+ binary_preference = 1
+ if wheel.build_tag is not None:
+ match = re.match(r'^(\d+)(.*)$', wheel.build_tag)
+ build_tag_groups = match.groups()
+ build_tag = (int(build_tag_groups[0]), build_tag_groups[1])
+ else: # sdist
+ pri = -(support_num)
+ has_allowed_hash = int(link.is_hash_allowed(self._hashes))
+ yank_value = -1 * int(link.is_yanked) # -1 for yanked.
+ return (
+ has_allowed_hash, yank_value, binary_preference, candidate.version,
+ pri, build_tag,
+ )
+
+ def sort_best_candidate(
+ self,
+ candidates: List[InstallationCandidate],
+ ) -> Optional[InstallationCandidate]:
+ """
+ Return the best candidate per the instance's sort order, or None if
+ no candidate is acceptable.
+ """
+ if not candidates:
+ return None
+ best_candidate = max(candidates, key=self._sort_key)
+ return best_candidate
+
+ def compute_best_candidate(
+ self,
+ candidates: List[InstallationCandidate],
+ ) -> BestCandidateResult:
+ """
+ Compute and return a `BestCandidateResult` instance.
+ """
+ applicable_candidates = self.get_applicable_candidates(candidates)
+
+ best_candidate = self.sort_best_candidate(applicable_candidates)
+
+ return BestCandidateResult(
+ candidates,
+ applicable_candidates=applicable_candidates,
+ best_candidate=best_candidate,
+ )
+
+
+class PackageFinder:
+ """This finds packages.
+
+ This is meant to match easy_install's technique for looking for
+ packages, by reading pages and looking for appropriate links.
+ """
+
+ def __init__(
+ self,
+ link_collector: LinkCollector,
+ target_python: TargetPython,
+ allow_yanked: bool,
+ format_control: Optional[FormatControl] = None,
+ candidate_prefs: Optional[CandidatePreferences] = None,
+ ignore_requires_python: Optional[bool] = None,
+ ) -> None:
+ """
+ This constructor is primarily meant to be used by the create() class
+ method and from tests.
+
+ :param format_control: A FormatControl object, used to control
+ the selection of source packages / binary packages when consulting
+ the index and links.
+ :param candidate_prefs: Options to use when creating a
+ CandidateEvaluator object.
+ """
+ if candidate_prefs is None:
+ candidate_prefs = CandidatePreferences()
+
+ format_control = format_control or FormatControl(set(), set())
+
+ self._allow_yanked = allow_yanked
+ self._candidate_prefs = candidate_prefs
+ self._ignore_requires_python = ignore_requires_python
+ self._link_collector = link_collector
+ self._target_python = target_python
+
+ self.format_control = format_control
+
+ # These are boring links that have already been logged somehow.
+ self._logged_links: Set[Link] = set()
+
+ # Don't include an allow_yanked default value to make sure each call
+ # site considers whether yanked releases are allowed. This also causes
+ # that decision to be made explicit in the calling code, which helps
+ # people when reading the code.
+ @classmethod
+ def create(
+ cls,
+ link_collector: LinkCollector,
+ selection_prefs: SelectionPreferences,
+ target_python: Optional[TargetPython] = None,
+ ) -> "PackageFinder":
+ """Create a PackageFinder.
+
+ :param selection_prefs: The candidate selection preferences, as a
+ SelectionPreferences object.
+ :param target_python: The target Python interpreter to use when
+ checking compatibility. If None (the default), a TargetPython
+ object will be constructed from the running Python.
+ """
+ if target_python is None:
+ target_python = TargetPython()
+
+ candidate_prefs = CandidatePreferences(
+ prefer_binary=selection_prefs.prefer_binary,
+ allow_all_prereleases=selection_prefs.allow_all_prereleases,
+ )
+
+ return cls(
+ candidate_prefs=candidate_prefs,
+ link_collector=link_collector,
+ target_python=target_python,
+ allow_yanked=selection_prefs.allow_yanked,
+ format_control=selection_prefs.format_control,
+ ignore_requires_python=selection_prefs.ignore_requires_python,
+ )
+
+ @property
+ def target_python(self) -> TargetPython:
+ return self._target_python
+
+ @property
+ def search_scope(self) -> SearchScope:
+ return self._link_collector.search_scope
+
+ @search_scope.setter
+ def search_scope(self, search_scope: SearchScope) -> None:
+ self._link_collector.search_scope = search_scope
+
+ @property
+ def find_links(self) -> List[str]:
+ return self._link_collector.find_links
+
+ @property
+ def index_urls(self) -> List[str]:
+ return self.search_scope.index_urls
+
+ @property
+ def trusted_hosts(self) -> Iterable[str]:
+ for host_port in self._link_collector.session.pip_trusted_origins:
+ yield build_netloc(*host_port)
+
+ @property
+ def allow_all_prereleases(self) -> bool:
+ return self._candidate_prefs.allow_all_prereleases
+
+ def set_allow_all_prereleases(self) -> None:
+ self._candidate_prefs.allow_all_prereleases = True
+
+ @property
+ def prefer_binary(self) -> bool:
+ return self._candidate_prefs.prefer_binary
+
+ def set_prefer_binary(self) -> None:
+ self._candidate_prefs.prefer_binary = True
+
+ def make_link_evaluator(self, project_name: str) -> LinkEvaluator:
+ canonical_name = canonicalize_name(project_name)
+ formats = self.format_control.get_allowed_formats(canonical_name)
+
+ return LinkEvaluator(
+ project_name=project_name,
+ canonical_name=canonical_name,
+ formats=formats,
+ target_python=self._target_python,
+ allow_yanked=self._allow_yanked,
+ ignore_requires_python=self._ignore_requires_python,
+ )
+
+ def _sort_links(self, links: Iterable[Link]) -> List[Link]:
+ """
+ Returns elements of links in order, non-egg links first, egg links
+ second, while eliminating duplicates
+ """
+ eggs, no_eggs = [], []
+ seen: Set[Link] = set()
+ for link in links:
+ if link not in seen:
+ seen.add(link)
+ if link.egg_fragment:
+ eggs.append(link)
+ else:
+ no_eggs.append(link)
+ return no_eggs + eggs
+
+ def _log_skipped_link(self, link: Link, reason: str) -> None:
+ if link not in self._logged_links:
+ # Put the link at the end so the reason is more visible and because
+ # the link string is usually very long.
+ logger.debug('Skipping link: %s: %s', reason, link)
+ self._logged_links.add(link)
+
+ def get_install_candidate(
+ self, link_evaluator: LinkEvaluator, link: Link
+ ) -> Optional[InstallationCandidate]:
+ """
+ If the link is a candidate for install, convert it to an
+ InstallationCandidate and return it. Otherwise, return None.
+ """
+ is_candidate, result = link_evaluator.evaluate_link(link)
+ if not is_candidate:
+ if result:
+ self._log_skipped_link(link, reason=result)
+ return None
+
+ return InstallationCandidate(
+ name=link_evaluator.project_name,
+ link=link,
+ version=result,
+ )
+
+ def evaluate_links(
+ self, link_evaluator: LinkEvaluator, links: Iterable[Link]
+ ) -> List[InstallationCandidate]:
+ """
+ Convert links that are candidates to InstallationCandidate objects.
+ """
+ candidates = []
+ for link in self._sort_links(links):
+ candidate = self.get_install_candidate(link_evaluator, link)
+ if candidate is not None:
+ candidates.append(candidate)
+
+ return candidates
+
+ def process_project_url(
+ self, project_url: Link, link_evaluator: LinkEvaluator
+ ) -> List[InstallationCandidate]:
+ logger.debug(
+ 'Fetching project page and analyzing links: %s', project_url,
+ )
+ html_page = self._link_collector.fetch_page(project_url)
+ if html_page is None:
+ return []
+
+ page_links = list(parse_links(html_page))
+
+ with indent_log():
+ package_links = self.evaluate_links(
+ link_evaluator,
+ links=page_links,
+ )
+
+ return package_links
+
+ @functools.lru_cache(maxsize=None)
+ def find_all_candidates(self, project_name: str) -> List[InstallationCandidate]:
+ """Find all available InstallationCandidate for project_name
+
+ This checks index_urls and find_links.
+ All versions found are returned as an InstallationCandidate list.
+
+ See LinkEvaluator.evaluate_link() for details on which files
+ are accepted.
+ """
+ link_evaluator = self.make_link_evaluator(project_name)
+
+ collected_sources = self._link_collector.collect_sources(
+ project_name=project_name,
+ candidates_from_page=functools.partial(
+ self.process_project_url,
+ link_evaluator=link_evaluator,
+ ),
+ )
+
+ page_candidates_it = itertools.chain.from_iterable(
+ source.page_candidates()
+ for sources in collected_sources
+ for source in sources
+ if source is not None
+ )
+ page_candidates = list(page_candidates_it)
+
+ file_links_it = itertools.chain.from_iterable(
+ source.file_links()
+ for sources in collected_sources
+ for source in sources
+ if source is not None
+ )
+ file_candidates = self.evaluate_links(
+ link_evaluator,
+ sorted(file_links_it, reverse=True),
+ )
+
+ if logger.isEnabledFor(logging.DEBUG) and file_candidates:
+ paths = [url_to_path(c.link.url) for c in file_candidates]
+ logger.debug("Local files found: %s", ", ".join(paths))
+
+ # This is an intentional priority ordering
+ return file_candidates + page_candidates
+
+ def make_candidate_evaluator(
+ self,
+ project_name: str,
+ specifier: Optional[specifiers.BaseSpecifier] = None,
+ hashes: Optional[Hashes] = None,
+ ) -> CandidateEvaluator:
+ """Create a CandidateEvaluator object to use.
+ """
+ candidate_prefs = self._candidate_prefs
+ return CandidateEvaluator.create(
+ project_name=project_name,
+ target_python=self._target_python,
+ prefer_binary=candidate_prefs.prefer_binary,
+ allow_all_prereleases=candidate_prefs.allow_all_prereleases,
+ specifier=specifier,
+ hashes=hashes,
+ )
+
+ @functools.lru_cache(maxsize=None)
+ def find_best_candidate(
+ self,
+ project_name: str,
+ specifier: Optional[specifiers.BaseSpecifier] = None,
+ hashes: Optional[Hashes] = None,
+ ) -> BestCandidateResult:
+ """Find matches for the given project and specifier.
+
+ :param specifier: An optional object implementing `filter`
+ (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
+ versions.
+
+ :return: A `BestCandidateResult` instance.
+ """
+ candidates = self.find_all_candidates(project_name)
+ candidate_evaluator = self.make_candidate_evaluator(
+ project_name=project_name,
+ specifier=specifier,
+ hashes=hashes,
+ )
+ return candidate_evaluator.compute_best_candidate(candidates)
+
+ def find_requirement(
+ self, req: InstallRequirement, upgrade: bool
+ ) -> Optional[InstallationCandidate]:
+ """Try to find a Link matching req
+
+ Expects req, an InstallRequirement and upgrade, a boolean
+ Returns a InstallationCandidate if found,
+ Raises DistributionNotFound or BestVersionAlreadyInstalled otherwise
+ """
+ hashes = req.hashes(trust_internet=False)
+ best_candidate_result = self.find_best_candidate(
+ req.name, specifier=req.specifier, hashes=hashes,
+ )
+ best_candidate = best_candidate_result.best_candidate
+
+ installed_version: Optional[_BaseVersion] = None
+ if req.satisfied_by is not None:
+ installed_version = parse_version(req.satisfied_by.version)
+
+ def _format_versions(cand_iter: Iterable[InstallationCandidate]) -> str:
+ # This repeated parse_version and str() conversion is needed to
+ # handle different vendoring sources from pip and pkg_resources.
+ # If we stop using the pkg_resources provided specifier and start
+ # using our own, we can drop the cast to str().
+ return ", ".join(sorted(
+ {str(c.version) for c in cand_iter},
+ key=parse_version,
+ )) or "none"
+
+ if installed_version is None and best_candidate is None:
+ logger.critical(
+ 'Could not find a version that satisfies the requirement %s '
+ '(from versions: %s)',
+ req,
+ _format_versions(best_candidate_result.iter_all()),
+ )
+
+ raise DistributionNotFound(
+ 'No matching distribution found for {}'.format(
+ req)
+ )
+
+ best_installed = False
+ if installed_version and (
+ best_candidate is None or
+ best_candidate.version <= installed_version):
+ best_installed = True
+
+ if not upgrade and installed_version is not None:
+ if best_installed:
+ logger.debug(
+ 'Existing installed version (%s) is most up-to-date and '
+ 'satisfies requirement',
+ installed_version,
+ )
+ else:
+ logger.debug(
+ 'Existing installed version (%s) satisfies requirement '
+ '(most up-to-date version is %s)',
+ installed_version,
+ best_candidate.version,
+ )
+ return None
+
+ if best_installed:
+ # We have an existing version, and its the best version
+ logger.debug(
+ 'Installed version (%s) is most up-to-date (past versions: '
+ '%s)',
+ installed_version,
+ _format_versions(best_candidate_result.iter_applicable()),
+ )
+ raise BestVersionAlreadyInstalled
+
+ logger.debug(
+ 'Using version %s (newest of versions: %s)',
+ best_candidate.version,
+ _format_versions(best_candidate_result.iter_applicable()),
+ )
+ return best_candidate
+
+
+def _find_name_version_sep(fragment: str, canonical_name: str) -> int:
+ """Find the separator's index based on the package's canonical name.
+
+ :param fragment: A + filename "fragment" (stem) or
+ egg fragment.
+ :param canonical_name: The package's canonical name.
+
+ This function is needed since the canonicalized name does not necessarily
+ have the same length as the egg info's name part. An example::
+
+ >>> fragment = 'foo__bar-1.0'
+ >>> canonical_name = 'foo-bar'
+ >>> _find_name_version_sep(fragment, canonical_name)
+ 8
+ """
+ # Project name and version must be separated by one single dash. Find all
+ # occurrences of dashes; if the string in front of it matches the canonical
+ # name, this is the one separating the name and version parts.
+ for i, c in enumerate(fragment):
+ if c != "-":
+ continue
+ if canonicalize_name(fragment[:i]) == canonical_name:
+ return i
+ raise ValueError(f"{fragment} does not match {canonical_name}")
+
+
+def _extract_version_from_fragment(fragment: str, canonical_name: str) -> Optional[str]:
+ """Parse the version string from a + filename
+ "fragment" (stem) or egg fragment.
+
+ :param fragment: The string to parse. E.g. foo-2.1
+ :param canonical_name: The canonicalized name of the package this
+ belongs to.
+ """
+ try:
+ version_start = _find_name_version_sep(fragment, canonical_name) + 1
+ except ValueError:
+ return None
+ version = fragment[version_start:]
+ if not version:
+ return None
+ return version
diff --git a/Scripts/Lib/site-packages/pip/_internal/index/sources.py b/Scripts/Lib/site-packages/pip/_internal/index/sources.py
new file mode 100644
index 0000000..eec3f12
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/index/sources.py
@@ -0,0 +1,224 @@
+import logging
+import mimetypes
+import os
+import pathlib
+from typing import Callable, Iterable, Optional, Tuple
+
+from pip._internal.models.candidate import InstallationCandidate
+from pip._internal.models.link import Link
+from pip._internal.utils.urls import path_to_url, url_to_path
+from pip._internal.vcs import is_url
+
+logger = logging.getLogger(__name__)
+
+FoundCandidates = Iterable[InstallationCandidate]
+FoundLinks = Iterable[Link]
+CandidatesFromPage = Callable[[Link], Iterable[InstallationCandidate]]
+PageValidator = Callable[[Link], bool]
+
+
+class LinkSource:
+ @property
+ def link(self) -> Optional[Link]:
+ """Returns the underlying link, if there's one."""
+ raise NotImplementedError()
+
+ def page_candidates(self) -> FoundCandidates:
+ """Candidates found by parsing an archive listing HTML file."""
+ raise NotImplementedError()
+
+ def file_links(self) -> FoundLinks:
+ """Links found by specifying archives directly."""
+ raise NotImplementedError()
+
+
+def _is_html_file(file_url: str) -> bool:
+ return mimetypes.guess_type(file_url, strict=False)[0] == "text/html"
+
+
+class _FlatDirectorySource(LinkSource):
+ """Link source specified by ``--find-links=``.
+
+ This looks the content of the directory, and returns:
+
+ * ``page_candidates``: Links listed on each HTML file in the directory.
+ * ``file_candidates``: Archives in the directory.
+ """
+
+ def __init__(
+ self,
+ candidates_from_page: CandidatesFromPage,
+ path: str,
+ ) -> None:
+ self._candidates_from_page = candidates_from_page
+ self._path = pathlib.Path(os.path.realpath(path))
+
+ @property
+ def link(self) -> Optional[Link]:
+ return None
+
+ def page_candidates(self) -> FoundCandidates:
+ for path in self._path.iterdir():
+ url = path_to_url(str(path))
+ if not _is_html_file(url):
+ continue
+ yield from self._candidates_from_page(Link(url))
+
+ def file_links(self) -> FoundLinks:
+ for path in self._path.iterdir():
+ url = path_to_url(str(path))
+ if _is_html_file(url):
+ continue
+ yield Link(url)
+
+
+class _LocalFileSource(LinkSource):
+ """``--find-links=`` or ``--[extra-]index-url=``.
+
+ If a URL is supplied, it must be a ``file:`` URL. If a path is supplied to
+ the option, it is converted to a URL first. This returns:
+
+ * ``page_candidates``: Links listed on an HTML file.
+ * ``file_candidates``: The non-HTML file.
+ """
+
+ def __init__(
+ self,
+ candidates_from_page: CandidatesFromPage,
+ link: Link,
+ ) -> None:
+ self._candidates_from_page = candidates_from_page
+ self._link = link
+
+ @property
+ def link(self) -> Optional[Link]:
+ return self._link
+
+ def page_candidates(self) -> FoundCandidates:
+ if not _is_html_file(self._link.url):
+ return
+ yield from self._candidates_from_page(self._link)
+
+ def file_links(self) -> FoundLinks:
+ if _is_html_file(self._link.url):
+ return
+ yield self._link
+
+
+class _RemoteFileSource(LinkSource):
+ """``--find-links=`` or ``--[extra-]index-url=``.
+
+ This returns:
+
+ * ``page_candidates``: Links listed on an HTML file.
+ * ``file_candidates``: The non-HTML file.
+ """
+
+ def __init__(
+ self,
+ candidates_from_page: CandidatesFromPage,
+ page_validator: PageValidator,
+ link: Link,
+ ) -> None:
+ self._candidates_from_page = candidates_from_page
+ self._page_validator = page_validator
+ self._link = link
+
+ @property
+ def link(self) -> Optional[Link]:
+ return self._link
+
+ def page_candidates(self) -> FoundCandidates:
+ if not self._page_validator(self._link):
+ return
+ yield from self._candidates_from_page(self._link)
+
+ def file_links(self) -> FoundLinks:
+ yield self._link
+
+
+class _IndexDirectorySource(LinkSource):
+ """``--[extra-]index-url=``.
+
+ This is treated like a remote URL; ``candidates_from_page`` contains logic
+ for this by appending ``index.html`` to the link.
+ """
+
+ def __init__(
+ self,
+ candidates_from_page: CandidatesFromPage,
+ link: Link,
+ ) -> None:
+ self._candidates_from_page = candidates_from_page
+ self._link = link
+
+ @property
+ def link(self) -> Optional[Link]:
+ return self._link
+
+ def page_candidates(self) -> FoundCandidates:
+ yield from self._candidates_from_page(self._link)
+
+ def file_links(self) -> FoundLinks:
+ return ()
+
+
+def build_source(
+ location: str,
+ *,
+ candidates_from_page: CandidatesFromPage,
+ page_validator: PageValidator,
+ expand_dir: bool,
+ cache_link_parsing: bool,
+) -> Tuple[Optional[str], Optional[LinkSource]]:
+
+ path: Optional[str] = None
+ url: Optional[str] = None
+ if os.path.exists(location): # Is a local path.
+ url = path_to_url(location)
+ path = location
+ elif location.startswith("file:"): # A file: URL.
+ url = location
+ path = url_to_path(location)
+ elif is_url(location):
+ url = location
+
+ if url is None:
+ msg = (
+ "Location '%s' is ignored: "
+ "it is either a non-existing path or lacks a specific scheme."
+ )
+ logger.warning(msg, location)
+ return (None, None)
+
+ if path is None:
+ source: LinkSource = _RemoteFileSource(
+ candidates_from_page=candidates_from_page,
+ page_validator=page_validator,
+ link=Link(url, cache_link_parsing=cache_link_parsing),
+ )
+ return (url, source)
+
+ if os.path.isdir(path):
+ if expand_dir:
+ source = _FlatDirectorySource(
+ candidates_from_page=candidates_from_page,
+ path=path,
+ )
+ else:
+ source = _IndexDirectorySource(
+ candidates_from_page=candidates_from_page,
+ link=Link(url, cache_link_parsing=cache_link_parsing),
+ )
+ return (url, source)
+ elif os.path.isfile(path):
+ source = _LocalFileSource(
+ candidates_from_page=candidates_from_page,
+ link=Link(url, cache_link_parsing=cache_link_parsing),
+ )
+ return (url, source)
+ logger.warning(
+ "Location '%s' is ignored: it is neither a file nor a directory.",
+ location,
+ )
+ return (url, None)
diff --git a/Scripts/Lib/site-packages/pip/_internal/locations/__init__.py b/Scripts/Lib/site-packages/pip/_internal/locations/__init__.py
new file mode 100644
index 0000000..0d49cf2
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/locations/__init__.py
@@ -0,0 +1,351 @@
+import functools
+import logging
+import os
+import pathlib
+import sys
+import sysconfig
+from typing import Any, Dict, Iterator, List, Optional, Tuple
+
+from pip._internal.models.scheme import SCHEME_KEYS, Scheme
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.deprecation import deprecated
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+from . import _distutils, _sysconfig
+from .base import (
+ USER_CACHE_DIR,
+ get_major_minor_version,
+ get_src_prefix,
+ is_osx_framework,
+ site_packages,
+ user_site,
+)
+
+__all__ = [
+ "USER_CACHE_DIR",
+ "get_bin_prefix",
+ "get_bin_user",
+ "get_major_minor_version",
+ "get_platlib",
+ "get_prefixed_libs",
+ "get_purelib",
+ "get_scheme",
+ "get_src_prefix",
+ "site_packages",
+ "user_site",
+]
+
+
+logger = logging.getLogger(__name__)
+
+if os.environ.get("_PIP_LOCATIONS_NO_WARN_ON_MISMATCH"):
+ _MISMATCH_LEVEL = logging.DEBUG
+else:
+ _MISMATCH_LEVEL = logging.WARNING
+
+
+def _looks_like_red_hat_patched_platlib_purelib(scheme: Dict[str, str]) -> bool:
+ platlib = scheme["platlib"]
+ if "/lib64/" not in platlib:
+ return False
+ unpatched = platlib.replace("/lib64/", "/lib/")
+ return unpatched.replace("$platbase/", "$base/") == scheme["purelib"]
+
+
+@functools.lru_cache(maxsize=None)
+def _looks_like_red_hat_lib() -> bool:
+ """Red Hat patches platlib in unix_prefix and unix_home, but not purelib.
+
+ This is the only way I can see to tell a Red Hat-patched Python.
+ """
+ from distutils.command.install import INSTALL_SCHEMES # type: ignore
+
+ return all(
+ k in INSTALL_SCHEMES
+ and _looks_like_red_hat_patched_platlib_purelib(INSTALL_SCHEMES[k])
+ for k in ("unix_prefix", "unix_home")
+ )
+
+
+@functools.lru_cache(maxsize=None)
+def _looks_like_debian_scheme() -> bool:
+ """Debian adds two additional schemes."""
+ from distutils.command.install import INSTALL_SCHEMES # type: ignore
+
+ return "deb_system" in INSTALL_SCHEMES and "unix_local" in INSTALL_SCHEMES
+
+
+@functools.lru_cache(maxsize=None)
+def _looks_like_red_hat_scheme() -> bool:
+ """Red Hat patches ``sys.prefix`` and ``sys.exec_prefix``.
+
+ Red Hat's ``00251-change-user-install-location.patch`` changes the install
+ command's ``prefix`` and ``exec_prefix`` to append ``"/local"``. This is
+ (fortunately?) done quite unconditionally, so we create a default command
+ object without any configuration to detect this.
+ """
+ from distutils.command.install import install
+ from distutils.dist import Distribution
+
+ cmd: Any = install(Distribution())
+ cmd.finalize_options()
+ return (
+ cmd.exec_prefix == f"{os.path.normpath(sys.exec_prefix)}/local"
+ and cmd.prefix == f"{os.path.normpath(sys.prefix)}/local"
+ )
+
+
+def _fix_abiflags(parts: Tuple[str]) -> Iterator[str]:
+ ldversion = sysconfig.get_config_var("LDVERSION")
+ abiflags: str = getattr(sys, "abiflags", None)
+
+ # LDVERSION does not end with sys.abiflags. Just return the path unchanged.
+ if not ldversion or not abiflags or not ldversion.endswith(abiflags):
+ yield from parts
+ return
+
+ # Strip sys.abiflags from LDVERSION-based path components.
+ for part in parts:
+ if part.endswith(ldversion):
+ part = part[: (0 - len(abiflags))]
+ yield part
+
+
+@functools.lru_cache(maxsize=None)
+def _warn_mismatched(old: pathlib.Path, new: pathlib.Path, *, key: str) -> None:
+ issue_url = "https://github.com/pypa/pip/issues/10151"
+ message = (
+ "Value for %s does not match. Please report this to <%s>"
+ "\ndistutils: %s"
+ "\nsysconfig: %s"
+ )
+ logger.log(_MISMATCH_LEVEL, message, key, issue_url, old, new)
+
+
+def _warn_if_mismatch(old: pathlib.Path, new: pathlib.Path, *, key: str) -> bool:
+ if old == new:
+ return False
+ _warn_mismatched(old, new, key=key)
+ return True
+
+
+@functools.lru_cache(maxsize=None)
+def _log_context(
+ *,
+ user: bool = False,
+ home: Optional[str] = None,
+ root: Optional[str] = None,
+ prefix: Optional[str] = None,
+) -> None:
+ parts = [
+ "Additional context:",
+ "user = %r",
+ "home = %r",
+ "root = %r",
+ "prefix = %r",
+ ]
+
+ logger.log(_MISMATCH_LEVEL, "\n".join(parts), user, home, root, prefix)
+
+
+def get_scheme(
+ dist_name: str,
+ user: bool = False,
+ home: Optional[str] = None,
+ root: Optional[str] = None,
+ isolated: bool = False,
+ prefix: Optional[str] = None,
+) -> Scheme:
+ old = _distutils.get_scheme(
+ dist_name,
+ user=user,
+ home=home,
+ root=root,
+ isolated=isolated,
+ prefix=prefix,
+ )
+ new = _sysconfig.get_scheme(
+ dist_name,
+ user=user,
+ home=home,
+ root=root,
+ isolated=isolated,
+ prefix=prefix,
+ )
+
+ warning_contexts = []
+ for k in SCHEME_KEYS:
+ old_v = pathlib.Path(getattr(old, k))
+ new_v = pathlib.Path(getattr(new, k))
+
+ if old_v == new_v:
+ continue
+
+ # distutils incorrectly put PyPy packages under ``site-packages/python``
+ # in the ``posix_home`` scheme, but PyPy devs said they expect the
+ # directory name to be ``pypy`` instead. So we treat this as a bug fix
+ # and not warn about it. See bpo-43307 and python/cpython#24628.
+ skip_pypy_special_case = (
+ sys.implementation.name == "pypy"
+ and home is not None
+ and k in ("platlib", "purelib")
+ and old_v.parent == new_v.parent
+ and old_v.name.startswith("python")
+ and new_v.name.startswith("pypy")
+ )
+ if skip_pypy_special_case:
+ continue
+
+ # sysconfig's ``osx_framework_user`` does not include ``pythonX.Y`` in
+ # the ``include`` value, but distutils's ``headers`` does. We'll let
+ # CPython decide whether this is a bug or feature. See bpo-43948.
+ skip_osx_framework_user_special_case = (
+ user
+ and is_osx_framework()
+ and k == "headers"
+ and old_v.parent.parent == new_v.parent
+ and old_v.parent.name.startswith("python")
+ )
+ if skip_osx_framework_user_special_case:
+ continue
+
+ # On Red Hat and derived Linux distributions, distutils is patched to
+ # use "lib64" instead of "lib" for platlib.
+ if k == "platlib" and _looks_like_red_hat_lib():
+ continue
+
+ # Both Debian and Red Hat patch Python to place the system site under
+ # /usr/local instead of /usr. Debian also places lib in dist-packages
+ # instead of site-packages, but the /usr/local check should cover it.
+ skip_linux_system_special_case = (
+ not (user or home or prefix or running_under_virtualenv())
+ and old_v.parts[1:3] == ("usr", "local")
+ and len(new_v.parts) > 1
+ and new_v.parts[1] == "usr"
+ and (len(new_v.parts) < 3 or new_v.parts[2] != "local")
+ and (_looks_like_red_hat_scheme() or _looks_like_debian_scheme())
+ )
+ if skip_linux_system_special_case:
+ continue
+
+ # On Python 3.7 and earlier, sysconfig does not include sys.abiflags in
+ # the "pythonX.Y" part of the path, but distutils does.
+ skip_sysconfig_abiflag_bug = (
+ sys.version_info < (3, 8)
+ and not WINDOWS
+ and k in ("headers", "platlib", "purelib")
+ and tuple(_fix_abiflags(old_v.parts)) == new_v.parts
+ )
+ if skip_sysconfig_abiflag_bug:
+ continue
+
+ warning_contexts.append((old_v, new_v, f"scheme.{k}"))
+
+ if not warning_contexts:
+ return old
+
+ # Check if this path mismatch is caused by distutils config files. Those
+ # files will no longer work once we switch to sysconfig, so this raises a
+ # deprecation message for them.
+ default_old = _distutils.distutils_scheme(
+ dist_name,
+ user,
+ home,
+ root,
+ isolated,
+ prefix,
+ ignore_config_files=True,
+ )
+ if any(default_old[k] != getattr(old, k) for k in SCHEME_KEYS):
+ deprecated(
+ "Configuring installation scheme with distutils config files "
+ "is deprecated and will no longer work in the near future. If you "
+ "are using a Homebrew or Linuxbrew Python, please see discussion "
+ "at https://github.com/Homebrew/homebrew-core/issues/76621",
+ replacement=None,
+ gone_in=None,
+ )
+ return old
+
+ # Post warnings about this mismatch so user can report them back.
+ for old_v, new_v, key in warning_contexts:
+ _warn_mismatched(old_v, new_v, key=key)
+ _log_context(user=user, home=home, root=root, prefix=prefix)
+
+ return old
+
+
+def get_bin_prefix() -> str:
+ old = _distutils.get_bin_prefix()
+ new = _sysconfig.get_bin_prefix()
+ if _warn_if_mismatch(pathlib.Path(old), pathlib.Path(new), key="bin_prefix"):
+ _log_context()
+ return old
+
+
+def get_bin_user() -> str:
+ return _sysconfig.get_scheme("", user=True).scripts
+
+
+def _looks_like_deb_system_dist_packages(value: str) -> bool:
+ """Check if the value is Debian's APT-controlled dist-packages.
+
+ Debian's ``distutils.sysconfig.get_python_lib()`` implementation returns the
+ default package path controlled by APT, but does not patch ``sysconfig`` to
+ do the same. This is similar to the bug worked around in ``get_scheme()``,
+ but here the default is ``deb_system`` instead of ``unix_local``. Ultimately
+ we can't do anything about this Debian bug, and this detection allows us to
+ skip the warning when needed.
+ """
+ if not _looks_like_debian_scheme():
+ return False
+ if value == "/usr/lib/python3/dist-packages":
+ return True
+ return False
+
+
+def get_purelib() -> str:
+ """Return the default pure-Python lib location."""
+ old = _distutils.get_purelib()
+ new = _sysconfig.get_purelib()
+ if _looks_like_deb_system_dist_packages(old):
+ return old
+ if _warn_if_mismatch(pathlib.Path(old), pathlib.Path(new), key="purelib"):
+ _log_context()
+ return old
+
+
+def get_platlib() -> str:
+ """Return the default platform-shared lib location."""
+ old = _distutils.get_platlib()
+ new = _sysconfig.get_platlib()
+ if _looks_like_deb_system_dist_packages(old):
+ return old
+ if _warn_if_mismatch(pathlib.Path(old), pathlib.Path(new), key="platlib"):
+ _log_context()
+ return old
+
+
+def get_prefixed_libs(prefix: str) -> List[str]:
+ """Return the lib locations under ``prefix``."""
+ old_pure, old_plat = _distutils.get_prefixed_libs(prefix)
+ new_pure, new_plat = _sysconfig.get_prefixed_libs(prefix)
+
+ warned = [
+ _warn_if_mismatch(
+ pathlib.Path(old_pure),
+ pathlib.Path(new_pure),
+ key="prefixed-purelib",
+ ),
+ _warn_if_mismatch(
+ pathlib.Path(old_plat),
+ pathlib.Path(new_plat),
+ key="prefixed-platlib",
+ ),
+ ]
+ if any(warned):
+ _log_context(prefix=prefix)
+
+ if old_pure == old_plat:
+ return [old_pure]
+ return [old_pure, old_plat]
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diff --git a/Scripts/Lib/site-packages/pip/_internal/locations/__pycache__/base.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_internal/locations/__pycache__/base.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_internal/locations/_distutils.py b/Scripts/Lib/site-packages/pip/_internal/locations/_distutils.py
new file mode 100644
index 0000000..2ec79e6
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/locations/_distutils.py
@@ -0,0 +1,169 @@
+"""Locations where we look for configs, install stuff, etc"""
+
+# The following comment should be removed at some point in the future.
+# mypy: strict-optional=False
+
+import logging
+import os
+import sys
+from distutils.cmd import Command as DistutilsCommand
+from distutils.command.install import SCHEME_KEYS
+from distutils.command.install import install as distutils_install_command
+from distutils.sysconfig import get_python_lib
+from typing import Dict, List, Optional, Tuple, Union, cast
+
+from pip._internal.models.scheme import Scheme
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+from .base import get_major_minor_version
+
+logger = logging.getLogger(__name__)
+
+
+def distutils_scheme(
+ dist_name: str,
+ user: bool = False,
+ home: str = None,
+ root: str = None,
+ isolated: bool = False,
+ prefix: str = None,
+ *,
+ ignore_config_files: bool = False,
+) -> Dict[str, str]:
+ """
+ Return a distutils install scheme
+ """
+ from distutils.dist import Distribution
+
+ dist_args: Dict[str, Union[str, List[str]]] = {"name": dist_name}
+ if isolated:
+ dist_args["script_args"] = ["--no-user-cfg"]
+
+ d = Distribution(dist_args)
+ if not ignore_config_files:
+ try:
+ d.parse_config_files()
+ except UnicodeDecodeError:
+ # Typeshed does not include find_config_files() for some reason.
+ paths = d.find_config_files() # type: ignore
+ logger.warning(
+ "Ignore distutils configs in %s due to encoding errors.",
+ ", ".join(os.path.basename(p) for p in paths),
+ )
+ obj: Optional[DistutilsCommand] = None
+ obj = d.get_command_obj("install", create=True)
+ assert obj is not None
+ i = cast(distutils_install_command, obj)
+ # NOTE: setting user or home has the side-effect of creating the home dir
+ # or user base for installations during finalize_options()
+ # ideally, we'd prefer a scheme class that has no side-effects.
+ assert not (user and prefix), f"user={user} prefix={prefix}"
+ assert not (home and prefix), f"home={home} prefix={prefix}"
+ i.user = user or i.user
+ if user or home:
+ i.prefix = ""
+ i.prefix = prefix or i.prefix
+ i.home = home or i.home
+ i.root = root or i.root
+ i.finalize_options()
+
+ scheme = {}
+ for key in SCHEME_KEYS:
+ scheme[key] = getattr(i, "install_" + key)
+
+ # install_lib specified in setup.cfg should install *everything*
+ # into there (i.e. it takes precedence over both purelib and
+ # platlib). Note, i.install_lib is *always* set after
+ # finalize_options(); we only want to override here if the user
+ # has explicitly requested it hence going back to the config
+ if "install_lib" in d.get_option_dict("install"):
+ scheme.update(dict(purelib=i.install_lib, platlib=i.install_lib))
+
+ if running_under_virtualenv():
+ if home:
+ prefix = home
+ elif user:
+ prefix = i.install_userbase # type: ignore
+ else:
+ prefix = i.prefix
+ scheme["headers"] = os.path.join(
+ prefix,
+ "include",
+ "site",
+ f"python{get_major_minor_version()}",
+ dist_name,
+ )
+
+ if root is not None:
+ path_no_drive = os.path.splitdrive(os.path.abspath(scheme["headers"]))[1]
+ scheme["headers"] = os.path.join(root, path_no_drive[1:])
+
+ return scheme
+
+
+def get_scheme(
+ dist_name: str,
+ user: bool = False,
+ home: Optional[str] = None,
+ root: Optional[str] = None,
+ isolated: bool = False,
+ prefix: Optional[str] = None,
+) -> Scheme:
+ """
+ Get the "scheme" corresponding to the input parameters. The distutils
+ documentation provides the context for the available schemes:
+ https://docs.python.org/3/install/index.html#alternate-installation
+
+ :param dist_name: the name of the package to retrieve the scheme for, used
+ in the headers scheme path
+ :param user: indicates to use the "user" scheme
+ :param home: indicates to use the "home" scheme and provides the base
+ directory for the same
+ :param root: root under which other directories are re-based
+ :param isolated: equivalent to --no-user-cfg, i.e. do not consider
+ ~/.pydistutils.cfg (posix) or ~/pydistutils.cfg (non-posix) for
+ scheme paths
+ :param prefix: indicates to use the "prefix" scheme and provides the
+ base directory for the same
+ """
+ scheme = distutils_scheme(dist_name, user, home, root, isolated, prefix)
+ return Scheme(
+ platlib=scheme["platlib"],
+ purelib=scheme["purelib"],
+ headers=scheme["headers"],
+ scripts=scheme["scripts"],
+ data=scheme["data"],
+ )
+
+
+def get_bin_prefix() -> str:
+ # XXX: In old virtualenv versions, sys.prefix can contain '..' components,
+ # so we need to call normpath to eliminate them.
+ prefix = os.path.normpath(sys.prefix)
+ if WINDOWS:
+ bin_py = os.path.join(prefix, "Scripts")
+ # buildout uses 'bin' on Windows too?
+ if not os.path.exists(bin_py):
+ bin_py = os.path.join(prefix, "bin")
+ return bin_py
+ # Forcing to use /usr/local/bin for standard macOS framework installs
+ # Also log to ~/Library/Logs/ for use with the Console.app log viewer
+ if sys.platform[:6] == "darwin" and prefix[:16] == "/System/Library/":
+ return "/usr/local/bin"
+ return os.path.join(prefix, "bin")
+
+
+def get_purelib() -> str:
+ return get_python_lib(plat_specific=False)
+
+
+def get_platlib() -> str:
+ return get_python_lib(plat_specific=True)
+
+
+def get_prefixed_libs(prefix: str) -> Tuple[str, str]:
+ return (
+ get_python_lib(plat_specific=False, prefix=prefix),
+ get_python_lib(plat_specific=True, prefix=prefix),
+ )
diff --git a/Scripts/Lib/site-packages/pip/_internal/locations/_sysconfig.py b/Scripts/Lib/site-packages/pip/_internal/locations/_sysconfig.py
new file mode 100644
index 0000000..5e141aa
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/locations/_sysconfig.py
@@ -0,0 +1,219 @@
+import distutils.util # FIXME: For change_root.
+import logging
+import os
+import sys
+import sysconfig
+import typing
+
+from pip._internal.exceptions import InvalidSchemeCombination, UserInstallationInvalid
+from pip._internal.models.scheme import SCHEME_KEYS, Scheme
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+from .base import get_major_minor_version, is_osx_framework
+
+logger = logging.getLogger(__name__)
+
+
+# Notes on _infer_* functions.
+# Unfortunately ``get_default_scheme()`` didn't exist before 3.10, so there's no
+# way to ask things like "what is the '_prefix' scheme on this platform". These
+# functions try to answer that with some heuristics while accounting for ad-hoc
+# platforms not covered by CPython's default sysconfig implementation. If the
+# ad-hoc implementation does not fully implement sysconfig, we'll fall back to
+# a POSIX scheme.
+
+_AVAILABLE_SCHEMES = set(sysconfig.get_scheme_names())
+
+_PREFERRED_SCHEME_API = getattr(sysconfig, "get_preferred_scheme", None)
+
+
+def _should_use_osx_framework_prefix() -> bool:
+ """Check for Apple's ``osx_framework_library`` scheme.
+
+ Python distributed by Apple's Command Line Tools has this special scheme
+ that's used when:
+
+ * This is a framework build.
+ * We are installing into the system prefix.
+
+ This does not account for ``pip install --prefix`` (also means we're not
+ installing to the system prefix), which should use ``posix_prefix``, but
+ logic here means ``_infer_prefix()`` outputs ``osx_framework_library``. But
+ since ``prefix`` is not available for ``sysconfig.get_default_scheme()``,
+ which is the stdlib replacement for ``_infer_prefix()``, presumably Apple
+ wouldn't be able to magically switch between ``osx_framework_library`` and
+ ``posix_prefix``. ``_infer_prefix()`` returning ``osx_framework_library``
+ means its behavior is consistent whether we use the stdlib implementation
+ or our own, and we deal with this special case in ``get_scheme()`` instead.
+ """
+ return (
+ "osx_framework_library" in _AVAILABLE_SCHEMES
+ and not running_under_virtualenv()
+ and is_osx_framework()
+ )
+
+
+def _infer_prefix() -> str:
+ """Try to find a prefix scheme for the current platform.
+
+ This tries:
+
+ * A special ``osx_framework_library`` for Python distributed by Apple's
+ Command Line Tools, when not running in a virtual environment.
+ * Implementation + OS, used by PyPy on Windows (``pypy_nt``).
+ * Implementation without OS, used by PyPy on POSIX (``pypy``).
+ * OS + "prefix", used by CPython on POSIX (``posix_prefix``).
+ * Just the OS name, used by CPython on Windows (``nt``).
+
+ If none of the above works, fall back to ``posix_prefix``.
+ """
+ if _PREFERRED_SCHEME_API:
+ return _PREFERRED_SCHEME_API("prefix")
+ if _should_use_osx_framework_prefix():
+ return "osx_framework_library"
+ implementation_suffixed = f"{sys.implementation.name}_{os.name}"
+ if implementation_suffixed in _AVAILABLE_SCHEMES:
+ return implementation_suffixed
+ if sys.implementation.name in _AVAILABLE_SCHEMES:
+ return sys.implementation.name
+ suffixed = f"{os.name}_prefix"
+ if suffixed in _AVAILABLE_SCHEMES:
+ return suffixed
+ if os.name in _AVAILABLE_SCHEMES: # On Windows, prefx is just called "nt".
+ return os.name
+ return "posix_prefix"
+
+
+def _infer_user() -> str:
+ """Try to find a user scheme for the current platform."""
+ if _PREFERRED_SCHEME_API:
+ return _PREFERRED_SCHEME_API("user")
+ if is_osx_framework() and not running_under_virtualenv():
+ suffixed = "osx_framework_user"
+ else:
+ suffixed = f"{os.name}_user"
+ if suffixed in _AVAILABLE_SCHEMES:
+ return suffixed
+ if "posix_user" not in _AVAILABLE_SCHEMES: # User scheme unavailable.
+ raise UserInstallationInvalid()
+ return "posix_user"
+
+
+def _infer_home() -> str:
+ """Try to find a home for the current platform."""
+ if _PREFERRED_SCHEME_API:
+ return _PREFERRED_SCHEME_API("home")
+ suffixed = f"{os.name}_home"
+ if suffixed in _AVAILABLE_SCHEMES:
+ return suffixed
+ return "posix_home"
+
+
+# Update these keys if the user sets a custom home.
+_HOME_KEYS = [
+ "installed_base",
+ "base",
+ "installed_platbase",
+ "platbase",
+ "prefix",
+ "exec_prefix",
+]
+if sysconfig.get_config_var("userbase") is not None:
+ _HOME_KEYS.append("userbase")
+
+
+def get_scheme(
+ dist_name: str,
+ user: bool = False,
+ home: typing.Optional[str] = None,
+ root: typing.Optional[str] = None,
+ isolated: bool = False,
+ prefix: typing.Optional[str] = None,
+) -> Scheme:
+ """
+ Get the "scheme" corresponding to the input parameters.
+
+ :param dist_name: the name of the package to retrieve the scheme for, used
+ in the headers scheme path
+ :param user: indicates to use the "user" scheme
+ :param home: indicates to use the "home" scheme
+ :param root: root under which other directories are re-based
+ :param isolated: ignored, but kept for distutils compatibility (where
+ this controls whether the user-site pydistutils.cfg is honored)
+ :param prefix: indicates to use the "prefix" scheme and provides the
+ base directory for the same
+ """
+ if user and prefix:
+ raise InvalidSchemeCombination("--user", "--prefix")
+ if home and prefix:
+ raise InvalidSchemeCombination("--home", "--prefix")
+
+ if home is not None:
+ scheme_name = _infer_home()
+ elif user:
+ scheme_name = _infer_user()
+ else:
+ scheme_name = _infer_prefix()
+
+ # Special case: When installing into a custom prefix, use posix_prefix
+ # instead of osx_framework_library. See _should_use_osx_framework_prefix()
+ # docstring for details.
+ if prefix is not None and scheme_name == "osx_framework_library":
+ scheme_name = "posix_prefix"
+
+ if home is not None:
+ variables = {k: home for k in _HOME_KEYS}
+ elif prefix is not None:
+ variables = {k: prefix for k in _HOME_KEYS}
+ else:
+ variables = {}
+
+ paths = sysconfig.get_paths(scheme=scheme_name, vars=variables)
+
+ # Logic here is very arbitrary, we're doing it for compatibility, don't ask.
+ # 1. Pip historically uses a special header path in virtual environments.
+ # 2. If the distribution name is not known, distutils uses 'UNKNOWN'. We
+ # only do the same when not running in a virtual environment because
+ # pip's historical header path logic (see point 1) did not do this.
+ if running_under_virtualenv():
+ if user:
+ base = variables.get("userbase", sys.prefix)
+ else:
+ base = variables.get("base", sys.prefix)
+ python_xy = f"python{get_major_minor_version()}"
+ paths["include"] = os.path.join(base, "include", "site", python_xy)
+ elif not dist_name:
+ dist_name = "UNKNOWN"
+
+ scheme = Scheme(
+ platlib=paths["platlib"],
+ purelib=paths["purelib"],
+ headers=os.path.join(paths["include"], dist_name),
+ scripts=paths["scripts"],
+ data=paths["data"],
+ )
+ if root is not None:
+ for key in SCHEME_KEYS:
+ value = distutils.util.change_root(root, getattr(scheme, key))
+ setattr(scheme, key, value)
+ return scheme
+
+
+def get_bin_prefix() -> str:
+ # Forcing to use /usr/local/bin for standard macOS framework installs.
+ if sys.platform[:6] == "darwin" and sys.prefix[:16] == "/System/Library/":
+ return "/usr/local/bin"
+ return sysconfig.get_paths()["scripts"]
+
+
+def get_purelib() -> str:
+ return sysconfig.get_paths()["purelib"]
+
+
+def get_platlib() -> str:
+ return sysconfig.get_paths()["platlib"]
+
+
+def get_prefixed_libs(prefix: str) -> typing.Tuple[str, str]:
+ paths = sysconfig.get_paths(vars={"base": prefix, "platbase": prefix})
+ return (paths["purelib"], paths["platlib"])
diff --git a/Scripts/Lib/site-packages/pip/_internal/locations/base.py b/Scripts/Lib/site-packages/pip/_internal/locations/base.py
new file mode 100644
index 0000000..86dad4a
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/locations/base.py
@@ -0,0 +1,52 @@
+import functools
+import os
+import site
+import sys
+import sysconfig
+import typing
+
+from pip._internal.utils import appdirs
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+# Application Directories
+USER_CACHE_DIR = appdirs.user_cache_dir("pip")
+
+# FIXME doesn't account for venv linked to global site-packages
+site_packages: typing.Optional[str] = sysconfig.get_path("purelib")
+
+
+def get_major_minor_version() -> str:
+ """
+ Return the major-minor version of the current Python as a string, e.g.
+ "3.7" or "3.10".
+ """
+ return "{}.{}".format(*sys.version_info)
+
+
+def get_src_prefix() -> str:
+ if running_under_virtualenv():
+ src_prefix = os.path.join(sys.prefix, "src")
+ else:
+ # FIXME: keep src in cwd for now (it is not a temporary folder)
+ try:
+ src_prefix = os.path.join(os.getcwd(), "src")
+ except OSError:
+ # In case the current working directory has been renamed or deleted
+ sys.exit("The folder you are executing pip from can no longer be found.")
+
+ # under macOS + virtualenv sys.prefix is not properly resolved
+ # it is something like /path/to/python/bin/..
+ return os.path.abspath(src_prefix)
+
+
+try:
+ # Use getusersitepackages if this is present, as it ensures that the
+ # value is initialised properly.
+ user_site: typing.Optional[str] = site.getusersitepackages()
+except AttributeError:
+ user_site = site.USER_SITE
+
+
+@functools.lru_cache(maxsize=None)
+def is_osx_framework() -> bool:
+ return bool(sysconfig.get_config_var("PYTHONFRAMEWORK"))
diff --git a/Scripts/Lib/site-packages/pip/_internal/main.py b/Scripts/Lib/site-packages/pip/_internal/main.py
new file mode 100644
index 0000000..51eee15
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/main.py
@@ -0,0 +1,13 @@
+from typing import List, Optional
+
+
+def main(args=None):
+ # type: (Optional[List[str]]) -> int
+ """This is preserved for old console scripts that may still be referencing
+ it.
+
+ For additional details, see https://github.com/pypa/pip/issues/7498.
+ """
+ from pip._internal.utils.entrypoints import _wrapper
+
+ return _wrapper(args)
diff --git a/Scripts/Lib/site-packages/pip/_internal/metadata/__init__.py b/Scripts/Lib/site-packages/pip/_internal/metadata/__init__.py
new file mode 100644
index 0000000..e3429d2
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/metadata/__init__.py
@@ -0,0 +1,48 @@
+from typing import List, Optional
+
+from .base import BaseDistribution, BaseEnvironment
+
+__all__ = [
+ "BaseDistribution",
+ "BaseEnvironment",
+ "get_default_environment",
+ "get_environment",
+ "get_wheel_distribution",
+]
+
+
+def get_default_environment() -> BaseEnvironment:
+ """Get the default representation for the current environment.
+
+ This returns an Environment instance from the chosen backend. The default
+ Environment instance should be built from ``sys.path`` and may use caching
+ to share instance state accorss calls.
+ """
+ from .pkg_resources import Environment
+
+ return Environment.default()
+
+
+def get_environment(paths: Optional[List[str]]) -> BaseEnvironment:
+ """Get a representation of the environment specified by ``paths``.
+
+ This returns an Environment instance from the chosen backend based on the
+ given import paths. The backend must build a fresh instance representing
+ the state of installed distributions when this function is called.
+ """
+ from .pkg_resources import Environment
+
+ return Environment.from_paths(paths)
+
+
+def get_wheel_distribution(wheel_path: str, canonical_name: str) -> BaseDistribution:
+ """Get the representation of the specified wheel's distribution metadata.
+
+ This returns a Distribution instance from the chosen backend based on
+ the given wheel's ``.dist-info`` directory.
+
+ :param canonical_name: Normalized project name of the given wheel.
+ """
+ from .pkg_resources import Distribution
+
+ return Distribution.from_wheel(wheel_path, canonical_name)
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diff --git a/Scripts/Lib/site-packages/pip/_internal/metadata/base.py b/Scripts/Lib/site-packages/pip/_internal/metadata/base.py
new file mode 100644
index 0000000..9fdc123
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/metadata/base.py
@@ -0,0 +1,242 @@
+import email.message
+import json
+import logging
+import re
+from typing import (
+ TYPE_CHECKING,
+ Collection,
+ Container,
+ Iterable,
+ Iterator,
+ List,
+ Optional,
+ Union,
+)
+
+from pip._vendor.packaging.requirements import Requirement
+from pip._vendor.packaging.version import LegacyVersion, Version
+
+from pip._internal.models.direct_url import (
+ DIRECT_URL_METADATA_NAME,
+ DirectUrl,
+ DirectUrlValidationError,
+)
+from pip._internal.utils.misc import stdlib_pkgs # TODO: Move definition here.
+
+if TYPE_CHECKING:
+ from typing import Protocol
+
+ from pip._vendor.packaging.utils import NormalizedName
+else:
+ Protocol = object
+
+DistributionVersion = Union[LegacyVersion, Version]
+
+logger = logging.getLogger(__name__)
+
+
+class BaseEntryPoint(Protocol):
+ @property
+ def name(self) -> str:
+ raise NotImplementedError()
+
+ @property
+ def value(self) -> str:
+ raise NotImplementedError()
+
+ @property
+ def group(self) -> str:
+ raise NotImplementedError()
+
+
+class BaseDistribution(Protocol):
+ @property
+ def location(self) -> Optional[str]:
+ """Where the distribution is loaded from.
+
+ A string value is not necessarily a filesystem path, since distributions
+ can be loaded from other sources, e.g. arbitrary zip archives. ``None``
+ means the distribution is created in-memory.
+
+ Do not canonicalize this value with e.g. ``pathlib.Path.resolve()``. If
+ this is a symbolic link, we want to preserve the relative path between
+ it and files in the distribution.
+ """
+ raise NotImplementedError()
+
+ @property
+ def info_directory(self) -> Optional[str]:
+ """Location of the .[egg|dist]-info directory.
+
+ Similarly to ``location``, a string value is not necessarily a
+ filesystem path. ``None`` means the distribution is created in-memory.
+
+ For a modern .dist-info installation on disk, this should be something
+ like ``{location}/{raw_name}-{version}.dist-info``.
+
+ Do not canonicalize this value with e.g. ``pathlib.Path.resolve()``. If
+ this is a symbolic link, we want to preserve the relative path between
+ it and other files in the distribution.
+ """
+ raise NotImplementedError()
+
+ @property
+ def canonical_name(self) -> "NormalizedName":
+ raise NotImplementedError()
+
+ @property
+ def version(self) -> DistributionVersion:
+ raise NotImplementedError()
+
+ @property
+ def direct_url(self) -> Optional[DirectUrl]:
+ """Obtain a DirectUrl from this distribution.
+
+ Returns None if the distribution has no `direct_url.json` metadata,
+ or if `direct_url.json` is invalid.
+ """
+ try:
+ content = self.read_text(DIRECT_URL_METADATA_NAME)
+ except FileNotFoundError:
+ return None
+ try:
+ return DirectUrl.from_json(content)
+ except (
+ UnicodeDecodeError,
+ json.JSONDecodeError,
+ DirectUrlValidationError,
+ ) as e:
+ logger.warning(
+ "Error parsing %s for %s: %s",
+ DIRECT_URL_METADATA_NAME,
+ self.canonical_name,
+ e,
+ )
+ return None
+
+ @property
+ def installer(self) -> str:
+ raise NotImplementedError()
+
+ @property
+ def editable(self) -> bool:
+ raise NotImplementedError()
+
+ @property
+ def local(self) -> bool:
+ raise NotImplementedError()
+
+ @property
+ def in_usersite(self) -> bool:
+ raise NotImplementedError()
+
+ @property
+ def in_site_packages(self) -> bool:
+ raise NotImplementedError()
+
+ def read_text(self, name: str) -> str:
+ """Read a file in the .dist-info (or .egg-info) directory.
+
+ Should raise ``FileNotFoundError`` if ``name`` does not exist in the
+ metadata directory.
+ """
+ raise NotImplementedError()
+
+ def iter_entry_points(self) -> Iterable[BaseEntryPoint]:
+ raise NotImplementedError()
+
+ @property
+ def metadata(self) -> email.message.Message:
+ """Metadata of distribution parsed from e.g. METADATA or PKG-INFO."""
+ raise NotImplementedError()
+
+ @property
+ def metadata_version(self) -> Optional[str]:
+ """Value of "Metadata-Version:" in distribution metadata, if available."""
+ return self.metadata.get("Metadata-Version")
+
+ @property
+ def raw_name(self) -> str:
+ """Value of "Name:" in distribution metadata."""
+ # The metadata should NEVER be missing the Name: key, but if it somehow
+ # does not, fall back to the known canonical name.
+ return self.metadata.get("Name", self.canonical_name)
+
+ def iter_dependencies(self, extras: Collection[str] = ()) -> Iterable[Requirement]:
+ raise NotImplementedError()
+
+
+class BaseEnvironment:
+ """An environment containing distributions to introspect."""
+
+ @classmethod
+ def default(cls) -> "BaseEnvironment":
+ raise NotImplementedError()
+
+ @classmethod
+ def from_paths(cls, paths: Optional[List[str]]) -> "BaseEnvironment":
+ raise NotImplementedError()
+
+ def get_distribution(self, name: str) -> Optional["BaseDistribution"]:
+ """Given a requirement name, return the installed distributions."""
+ raise NotImplementedError()
+
+ def _iter_distributions(self) -> Iterator["BaseDistribution"]:
+ """Iterate through installed distributions.
+
+ This function should be implemented by subclass, but never called
+ directly. Use the public ``iter_distribution()`` instead, which
+ implements additional logic to make sure the distributions are valid.
+ """
+ raise NotImplementedError()
+
+ def iter_distributions(self) -> Iterator["BaseDistribution"]:
+ """Iterate through installed distributions."""
+ for dist in self._iter_distributions():
+ # Make sure the distribution actually comes from a valid Python
+ # packaging distribution. Pip's AdjacentTempDirectory leaves folders
+ # e.g. ``~atplotlib.dist-info`` if cleanup was interrupted. The
+ # valid project name pattern is taken from PEP 508.
+ project_name_valid = re.match(
+ r"^([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])$",
+ dist.canonical_name,
+ flags=re.IGNORECASE,
+ )
+ if not project_name_valid:
+ logger.warning(
+ "Ignoring invalid distribution %s (%s)",
+ dist.canonical_name,
+ dist.location,
+ )
+ continue
+ yield dist
+
+ def iter_installed_distributions(
+ self,
+ local_only: bool = True,
+ skip: Container[str] = stdlib_pkgs,
+ include_editables: bool = True,
+ editables_only: bool = False,
+ user_only: bool = False,
+ ) -> Iterator[BaseDistribution]:
+ """Return a list of installed distributions.
+
+ :param local_only: If True (default), only return installations
+ local to the current virtualenv, if in a virtualenv.
+ :param skip: An iterable of canonicalized project names to ignore;
+ defaults to ``stdlib_pkgs``.
+ :param include_editables: If False, don't report editables.
+ :param editables_only: If True, only report editables.
+ :param user_only: If True, only report installations in the user
+ site directory.
+ """
+ it = self.iter_distributions()
+ if local_only:
+ it = (d for d in it if d.local)
+ if not include_editables:
+ it = (d for d in it if not d.editable)
+ if editables_only:
+ it = (d for d in it if d.editable)
+ if user_only:
+ it = (d for d in it if d.in_usersite)
+ return (d for d in it if d.canonical_name not in skip)
diff --git a/Scripts/Lib/site-packages/pip/_internal/metadata/pkg_resources.py b/Scripts/Lib/site-packages/pip/_internal/metadata/pkg_resources.py
new file mode 100644
index 0000000..5946006
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/metadata/pkg_resources.py
@@ -0,0 +1,153 @@
+import email.message
+import logging
+import zipfile
+from typing import (
+ TYPE_CHECKING,
+ Collection,
+ Iterable,
+ Iterator,
+ List,
+ NamedTuple,
+ Optional,
+)
+
+from pip._vendor import pkg_resources
+from pip._vendor.packaging.requirements import Requirement
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.packaging.version import parse as parse_version
+
+from pip._internal.utils import misc # TODO: Move definition here.
+from pip._internal.utils.packaging import get_installer, get_metadata
+from pip._internal.utils.wheel import pkg_resources_distribution_for_wheel
+
+from .base import BaseDistribution, BaseEntryPoint, BaseEnvironment, DistributionVersion
+
+if TYPE_CHECKING:
+ from pip._vendor.packaging.utils import NormalizedName
+
+logger = logging.getLogger(__name__)
+
+
+class EntryPoint(NamedTuple):
+ name: str
+ value: str
+ group: str
+
+
+class Distribution(BaseDistribution):
+ def __init__(self, dist: pkg_resources.Distribution) -> None:
+ self._dist = dist
+
+ @classmethod
+ def from_wheel(cls, path: str, name: str) -> "Distribution":
+ with zipfile.ZipFile(path, allowZip64=True) as zf:
+ dist = pkg_resources_distribution_for_wheel(zf, name, path)
+ return cls(dist)
+
+ @property
+ def location(self) -> Optional[str]:
+ return self._dist.location
+
+ @property
+ def info_directory(self) -> Optional[str]:
+ return self._dist.egg_info
+
+ @property
+ def canonical_name(self) -> "NormalizedName":
+ return canonicalize_name(self._dist.project_name)
+
+ @property
+ def version(self) -> DistributionVersion:
+ return parse_version(self._dist.version)
+
+ @property
+ def installer(self) -> str:
+ return get_installer(self._dist)
+
+ @property
+ def editable(self) -> bool:
+ return misc.dist_is_editable(self._dist)
+
+ @property
+ def local(self) -> bool:
+ return misc.dist_is_local(self._dist)
+
+ @property
+ def in_usersite(self) -> bool:
+ return misc.dist_in_usersite(self._dist)
+
+ @property
+ def in_site_packages(self) -> bool:
+ return misc.dist_in_site_packages(self._dist)
+
+ def read_text(self, name: str) -> str:
+ if not self._dist.has_metadata(name):
+ raise FileNotFoundError(name)
+ return self._dist.get_metadata(name)
+
+ def iter_entry_points(self) -> Iterable[BaseEntryPoint]:
+ for group, entries in self._dist.get_entry_map().items():
+ for name, entry_point in entries.items():
+ name, _, value = str(entry_point).partition("=")
+ yield EntryPoint(name=name.strip(), value=value.strip(), group=group)
+
+ @property
+ def metadata(self) -> email.message.Message:
+ return get_metadata(self._dist)
+
+ def iter_dependencies(self, extras: Collection[str] = ()) -> Iterable[Requirement]:
+ if extras: # pkg_resources raises on invalid extras, so we sanitize.
+ extras = frozenset(extras).intersection(self._dist.extras)
+ return self._dist.requires(extras)
+
+
+class Environment(BaseEnvironment):
+ def __init__(self, ws: pkg_resources.WorkingSet) -> None:
+ self._ws = ws
+
+ @classmethod
+ def default(cls) -> BaseEnvironment:
+ return cls(pkg_resources.working_set)
+
+ @classmethod
+ def from_paths(cls, paths: Optional[List[str]]) -> BaseEnvironment:
+ return cls(pkg_resources.WorkingSet(paths))
+
+ def _search_distribution(self, name: str) -> Optional[BaseDistribution]:
+ """Find a distribution matching the ``name`` in the environment.
+
+ This searches from *all* distributions available in the environment, to
+ match the behavior of ``pkg_resources.get_distribution()``.
+ """
+ canonical_name = canonicalize_name(name)
+ for dist in self.iter_distributions():
+ if dist.canonical_name == canonical_name:
+ return dist
+ return None
+
+ def get_distribution(self, name: str) -> Optional[BaseDistribution]:
+
+ # Search the distribution by looking through the working set.
+ dist = self._search_distribution(name)
+ if dist:
+ return dist
+
+ # If distribution could not be found, call working_set.require to
+ # update the working set, and try to find the distribution again.
+ # This might happen for e.g. when you install a package twice, once
+ # using setup.py develop and again using setup.py install. Now when
+ # running pip uninstall twice, the package gets removed from the
+ # working set in the first uninstall, so we have to populate the
+ # working set again so that pip knows about it and the packages gets
+ # picked up and is successfully uninstalled the second time too.
+ try:
+ # We didn't pass in any version specifiers, so this can never
+ # raise pkg_resources.VersionConflict.
+ self._ws.require(name)
+ except pkg_resources.DistributionNotFound:
+ return None
+ return self._search_distribution(name)
+
+ def _iter_distributions(self) -> Iterator[BaseDistribution]:
+ for dist in self._ws:
+ yield Distribution(dist)
diff --git a/Scripts/Lib/site-packages/pip/_internal/models/__init__.py b/Scripts/Lib/site-packages/pip/_internal/models/__init__.py
new file mode 100644
index 0000000..7855226
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/models/__init__.py
@@ -0,0 +1,2 @@
+"""A package that contains models that represent entities.
+"""
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diff --git a/Scripts/Lib/site-packages/pip/_internal/models/candidate.py b/Scripts/Lib/site-packages/pip/_internal/models/candidate.py
new file mode 100644
index 0000000..c673d8d
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/models/candidate.py
@@ -0,0 +1,31 @@
+from pip._vendor.packaging.version import parse as parse_version
+
+from pip._internal.models.link import Link
+from pip._internal.utils.models import KeyBasedCompareMixin
+
+
+class InstallationCandidate(KeyBasedCompareMixin):
+ """Represents a potential "candidate" for installation.
+ """
+
+ __slots__ = ["name", "version", "link"]
+
+ def __init__(self, name: str, version: str, link: Link) -> None:
+ self.name = name
+ self.version = parse_version(version)
+ self.link = link
+
+ super().__init__(
+ key=(self.name, self.version, self.link),
+ defining_class=InstallationCandidate
+ )
+
+ def __repr__(self) -> str:
+ return "".format(
+ self.name, self.version, self.link,
+ )
+
+ def __str__(self) -> str:
+ return '{!r} candidate (version {} at {})'.format(
+ self.name, self.version, self.link,
+ )
diff --git a/Scripts/Lib/site-packages/pip/_internal/models/direct_url.py b/Scripts/Lib/site-packages/pip/_internal/models/direct_url.py
new file mode 100644
index 0000000..3f9b699
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/models/direct_url.py
@@ -0,0 +1,220 @@
+""" PEP 610 """
+import json
+import re
+import urllib.parse
+from typing import Any, Dict, Iterable, Optional, Type, TypeVar, Union
+
+__all__ = [
+ "DirectUrl",
+ "DirectUrlValidationError",
+ "DirInfo",
+ "ArchiveInfo",
+ "VcsInfo",
+]
+
+T = TypeVar("T")
+
+DIRECT_URL_METADATA_NAME = "direct_url.json"
+ENV_VAR_RE = re.compile(r"^\$\{[A-Za-z0-9-_]+\}(:\$\{[A-Za-z0-9-_]+\})?$")
+
+
+class DirectUrlValidationError(Exception):
+ pass
+
+
+def _get(
+ d: Dict[str, Any], expected_type: Type[T], key: str, default: Optional[T] = None
+) -> Optional[T]:
+ """Get value from dictionary and verify expected type."""
+ if key not in d:
+ return default
+ value = d[key]
+ if not isinstance(value, expected_type):
+ raise DirectUrlValidationError(
+ "{!r} has unexpected type for {} (expected {})".format(
+ value, key, expected_type
+ )
+ )
+ return value
+
+
+def _get_required(
+ d: Dict[str, Any], expected_type: Type[T], key: str, default: Optional[T] = None
+) -> T:
+ value = _get(d, expected_type, key, default)
+ if value is None:
+ raise DirectUrlValidationError(f"{key} must have a value")
+ return value
+
+
+def _exactly_one_of(infos: Iterable[Optional["InfoType"]]) -> "InfoType":
+ infos = [info for info in infos if info is not None]
+ if not infos:
+ raise DirectUrlValidationError(
+ "missing one of archive_info, dir_info, vcs_info"
+ )
+ if len(infos) > 1:
+ raise DirectUrlValidationError(
+ "more than one of archive_info, dir_info, vcs_info"
+ )
+ assert infos[0] is not None
+ return infos[0]
+
+
+def _filter_none(**kwargs: Any) -> Dict[str, Any]:
+ """Make dict excluding None values."""
+ return {k: v for k, v in kwargs.items() if v is not None}
+
+
+class VcsInfo:
+ name = "vcs_info"
+
+ def __init__(
+ self,
+ vcs: str,
+ commit_id: str,
+ requested_revision: Optional[str] = None,
+ resolved_revision: Optional[str] = None,
+ resolved_revision_type: Optional[str] = None,
+ ) -> None:
+ self.vcs = vcs
+ self.requested_revision = requested_revision
+ self.commit_id = commit_id
+ self.resolved_revision = resolved_revision
+ self.resolved_revision_type = resolved_revision_type
+
+ @classmethod
+ def _from_dict(cls, d: Optional[Dict[str, Any]]) -> Optional["VcsInfo"]:
+ if d is None:
+ return None
+ return cls(
+ vcs=_get_required(d, str, "vcs"),
+ commit_id=_get_required(d, str, "commit_id"),
+ requested_revision=_get(d, str, "requested_revision"),
+ resolved_revision=_get(d, str, "resolved_revision"),
+ resolved_revision_type=_get(d, str, "resolved_revision_type"),
+ )
+
+ def _to_dict(self) -> Dict[str, Any]:
+ return _filter_none(
+ vcs=self.vcs,
+ requested_revision=self.requested_revision,
+ commit_id=self.commit_id,
+ resolved_revision=self.resolved_revision,
+ resolved_revision_type=self.resolved_revision_type,
+ )
+
+
+class ArchiveInfo:
+ name = "archive_info"
+
+ def __init__(
+ self,
+ hash: Optional[str] = None,
+ ) -> None:
+ self.hash = hash
+
+ @classmethod
+ def _from_dict(cls, d: Optional[Dict[str, Any]]) -> Optional["ArchiveInfo"]:
+ if d is None:
+ return None
+ return cls(hash=_get(d, str, "hash"))
+
+ def _to_dict(self) -> Dict[str, Any]:
+ return _filter_none(hash=self.hash)
+
+
+class DirInfo:
+ name = "dir_info"
+
+ def __init__(
+ self,
+ editable: bool = False,
+ ) -> None:
+ self.editable = editable
+
+ @classmethod
+ def _from_dict(cls, d: Optional[Dict[str, Any]]) -> Optional["DirInfo"]:
+ if d is None:
+ return None
+ return cls(
+ editable=_get_required(d, bool, "editable", default=False)
+ )
+
+ def _to_dict(self) -> Dict[str, Any]:
+ return _filter_none(editable=self.editable or None)
+
+
+InfoType = Union[ArchiveInfo, DirInfo, VcsInfo]
+
+
+class DirectUrl:
+
+ def __init__(
+ self,
+ url: str,
+ info: InfoType,
+ subdirectory: Optional[str] = None,
+ ) -> None:
+ self.url = url
+ self.info = info
+ self.subdirectory = subdirectory
+
+ def _remove_auth_from_netloc(self, netloc: str) -> str:
+ if "@" not in netloc:
+ return netloc
+ user_pass, netloc_no_user_pass = netloc.split("@", 1)
+ if (
+ isinstance(self.info, VcsInfo) and
+ self.info.vcs == "git" and
+ user_pass == "git"
+ ):
+ return netloc
+ if ENV_VAR_RE.match(user_pass):
+ return netloc
+ return netloc_no_user_pass
+
+ @property
+ def redacted_url(self) -> str:
+ """url with user:password part removed unless it is formed with
+ environment variables as specified in PEP 610, or it is ``git``
+ in the case of a git URL.
+ """
+ purl = urllib.parse.urlsplit(self.url)
+ netloc = self._remove_auth_from_netloc(purl.netloc)
+ surl = urllib.parse.urlunsplit(
+ (purl.scheme, netloc, purl.path, purl.query, purl.fragment)
+ )
+ return surl
+
+ def validate(self) -> None:
+ self.from_dict(self.to_dict())
+
+ @classmethod
+ def from_dict(cls, d: Dict[str, Any]) -> "DirectUrl":
+ return DirectUrl(
+ url=_get_required(d, str, "url"),
+ subdirectory=_get(d, str, "subdirectory"),
+ info=_exactly_one_of(
+ [
+ ArchiveInfo._from_dict(_get(d, dict, "archive_info")),
+ DirInfo._from_dict(_get(d, dict, "dir_info")),
+ VcsInfo._from_dict(_get(d, dict, "vcs_info")),
+ ]
+ ),
+ )
+
+ def to_dict(self) -> Dict[str, Any]:
+ res = _filter_none(
+ url=self.redacted_url,
+ subdirectory=self.subdirectory,
+ )
+ res[self.info.name] = self.info._to_dict()
+ return res
+
+ @classmethod
+ def from_json(cls, s: str) -> "DirectUrl":
+ return cls.from_dict(json.loads(s))
+
+ def to_json(self) -> str:
+ return json.dumps(self.to_dict(), sort_keys=True)
diff --git a/Scripts/Lib/site-packages/pip/_internal/models/format_control.py b/Scripts/Lib/site-packages/pip/_internal/models/format_control.py
new file mode 100644
index 0000000..010c362
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/models/format_control.py
@@ -0,0 +1,84 @@
+from typing import FrozenSet, Optional, Set
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.exceptions import CommandError
+
+
+class FormatControl:
+ """Helper for managing formats from which a package can be installed.
+ """
+
+ __slots__ = ["no_binary", "only_binary"]
+
+ def __init__(
+ self,
+ no_binary: Optional[Set[str]] = None,
+ only_binary: Optional[Set[str]] = None
+ ) -> None:
+ if no_binary is None:
+ no_binary = set()
+ if only_binary is None:
+ only_binary = set()
+
+ self.no_binary = no_binary
+ self.only_binary = only_binary
+
+ def __eq__(self, other: object) -> bool:
+ if not isinstance(other, self.__class__):
+ return NotImplemented
+
+ if self.__slots__ != other.__slots__:
+ return False
+
+ return all(
+ getattr(self, k) == getattr(other, k)
+ for k in self.__slots__
+ )
+
+ def __repr__(self) -> str:
+ return "{}({}, {})".format(
+ self.__class__.__name__,
+ self.no_binary,
+ self.only_binary
+ )
+
+ @staticmethod
+ def handle_mutual_excludes(value: str, target: Set[str], other: Set[str]) -> None:
+ if value.startswith('-'):
+ raise CommandError(
+ "--no-binary / --only-binary option requires 1 argument."
+ )
+ new = value.split(',')
+ while ':all:' in new:
+ other.clear()
+ target.clear()
+ target.add(':all:')
+ del new[:new.index(':all:') + 1]
+ # Without a none, we want to discard everything as :all: covers it
+ if ':none:' not in new:
+ return
+ for name in new:
+ if name == ':none:':
+ target.clear()
+ continue
+ name = canonicalize_name(name)
+ other.discard(name)
+ target.add(name)
+
+ def get_allowed_formats(self, canonical_name: str) -> FrozenSet[str]:
+ result = {"binary", "source"}
+ if canonical_name in self.only_binary:
+ result.discard('source')
+ elif canonical_name in self.no_binary:
+ result.discard('binary')
+ elif ':all:' in self.only_binary:
+ result.discard('source')
+ elif ':all:' in self.no_binary:
+ result.discard('binary')
+ return frozenset(result)
+
+ def disallow_binaries(self) -> None:
+ self.handle_mutual_excludes(
+ ':all:', self.no_binary, self.only_binary,
+ )
diff --git a/Scripts/Lib/site-packages/pip/_internal/models/index.py b/Scripts/Lib/site-packages/pip/_internal/models/index.py
new file mode 100644
index 0000000..1874a5b
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/models/index.py
@@ -0,0 +1,32 @@
+import urllib.parse
+
+
+class PackageIndex:
+ """Represents a Package Index and provides easier access to endpoints
+ """
+
+ __slots__ = ['url', 'netloc', 'simple_url', 'pypi_url',
+ 'file_storage_domain']
+
+ def __init__(self, url: str, file_storage_domain: str) -> None:
+ super().__init__()
+ self.url = url
+ self.netloc = urllib.parse.urlsplit(url).netloc
+ self.simple_url = self._url_for_path('simple')
+ self.pypi_url = self._url_for_path('pypi')
+
+ # This is part of a temporary hack used to block installs of PyPI
+ # packages which depend on external urls only necessary until PyPI can
+ # block such packages themselves
+ self.file_storage_domain = file_storage_domain
+
+ def _url_for_path(self, path: str) -> str:
+ return urllib.parse.urljoin(self.url, path)
+
+
+PyPI = PackageIndex(
+ 'https://pypi.org/', file_storage_domain='files.pythonhosted.org'
+)
+TestPyPI = PackageIndex(
+ 'https://test.pypi.org/', file_storage_domain='test-files.pythonhosted.org'
+)
diff --git a/Scripts/Lib/site-packages/pip/_internal/models/link.py b/Scripts/Lib/site-packages/pip/_internal/models/link.py
new file mode 100644
index 0000000..eb656fa
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/models/link.py
@@ -0,0 +1,288 @@
+import functools
+import logging
+import os
+import posixpath
+import re
+import urllib.parse
+from typing import TYPE_CHECKING, Dict, List, NamedTuple, Optional, Tuple, Union
+
+from pip._internal.utils.filetypes import WHEEL_EXTENSION
+from pip._internal.utils.hashes import Hashes
+from pip._internal.utils.misc import (
+ redact_auth_from_url,
+ split_auth_from_netloc,
+ splitext,
+)
+from pip._internal.utils.models import KeyBasedCompareMixin
+from pip._internal.utils.urls import path_to_url, url_to_path
+
+if TYPE_CHECKING:
+ from pip._internal.index.collector import HTMLPage
+
+logger = logging.getLogger(__name__)
+
+
+_SUPPORTED_HASHES = ("sha1", "sha224", "sha384", "sha256", "sha512", "md5")
+
+
+class Link(KeyBasedCompareMixin):
+ """Represents a parsed link from a Package Index's simple URL
+ """
+
+ __slots__ = [
+ "_parsed_url",
+ "_url",
+ "comes_from",
+ "requires_python",
+ "yanked_reason",
+ "cache_link_parsing",
+ ]
+
+ def __init__(
+ self,
+ url: str,
+ comes_from: Optional[Union[str, "HTMLPage"]] = None,
+ requires_python: Optional[str] = None,
+ yanked_reason: Optional[str] = None,
+ cache_link_parsing: bool = True,
+ ) -> None:
+ """
+ :param url: url of the resource pointed to (href of the link)
+ :param comes_from: instance of HTMLPage where the link was found,
+ or string.
+ :param requires_python: String containing the `Requires-Python`
+ metadata field, specified in PEP 345. This may be specified by
+ a data-requires-python attribute in the HTML link tag, as
+ described in PEP 503.
+ :param yanked_reason: the reason the file has been yanked, if the
+ file has been yanked, or None if the file hasn't been yanked.
+ This is the value of the "data-yanked" attribute, if present, in
+ a simple repository HTML link. If the file has been yanked but
+ no reason was provided, this should be the empty string. See
+ PEP 592 for more information and the specification.
+ :param cache_link_parsing: A flag that is used elsewhere to determine
+ whether resources retrieved from this link
+ should be cached. PyPI index urls should
+ generally have this set to False, for
+ example.
+ """
+
+ # url can be a UNC windows share
+ if url.startswith('\\\\'):
+ url = path_to_url(url)
+
+ self._parsed_url = urllib.parse.urlsplit(url)
+ # Store the url as a private attribute to prevent accidentally
+ # trying to set a new value.
+ self._url = url
+
+ self.comes_from = comes_from
+ self.requires_python = requires_python if requires_python else None
+ self.yanked_reason = yanked_reason
+
+ super().__init__(key=url, defining_class=Link)
+
+ self.cache_link_parsing = cache_link_parsing
+
+ def __str__(self) -> str:
+ if self.requires_python:
+ rp = f' (requires-python:{self.requires_python})'
+ else:
+ rp = ''
+ if self.comes_from:
+ return '{} (from {}){}'.format(
+ redact_auth_from_url(self._url), self.comes_from, rp)
+ else:
+ return redact_auth_from_url(str(self._url))
+
+ def __repr__(self) -> str:
+ return f'(?P.+?)-(?P.*?))
+ ((-(?P\d[^-]*?))?-(?P.+?)-(?P.+?)-(?P.+?)
+ \.whl|\.dist-info)$""",
+ re.VERBOSE
+ )
+
+ def __init__(self, filename: str) -> None:
+ """
+ :raises InvalidWheelFilename: when the filename is invalid for a wheel
+ """
+ wheel_info = self.wheel_file_re.match(filename)
+ if not wheel_info:
+ raise InvalidWheelFilename(
+ f"{filename} is not a valid wheel filename."
+ )
+ self.filename = filename
+ self.name = wheel_info.group('name').replace('_', '-')
+ # we'll assume "_" means "-" due to wheel naming scheme
+ # (https://github.com/pypa/pip/issues/1150)
+ self.version = wheel_info.group('ver').replace('_', '-')
+ self.build_tag = wheel_info.group('build')
+ self.pyversions = wheel_info.group('pyver').split('.')
+ self.abis = wheel_info.group('abi').split('.')
+ self.plats = wheel_info.group('plat').split('.')
+
+ # All the tag combinations from this file
+ self.file_tags = {
+ Tag(x, y, z) for x in self.pyversions
+ for y in self.abis for z in self.plats
+ }
+
+ def get_formatted_file_tags(self) -> List[str]:
+ """Return the wheel's tags as a sorted list of strings."""
+ return sorted(str(tag) for tag in self.file_tags)
+
+ def support_index_min(self, tags: List[Tag]) -> int:
+ """Return the lowest index that one of the wheel's file_tag combinations
+ achieves in the given list of supported tags.
+
+ For example, if there are 8 supported tags and one of the file tags
+ is first in the list, then return 0.
+
+ :param tags: the PEP 425 tags to check the wheel against, in order
+ with most preferred first.
+
+ :raises ValueError: If none of the wheel's file tags match one of
+ the supported tags.
+ """
+ return min(tags.index(tag) for tag in self.file_tags if tag in tags)
+
+ def find_most_preferred_tag(
+ self, tags: List[Tag], tag_to_priority: Dict[Tag, int]
+ ) -> int:
+ """Return the priority of the most preferred tag that one of the wheel's file
+ tag combinations achieves in the given list of supported tags using the given
+ tag_to_priority mapping, where lower priorities are more-preferred.
+
+ This is used in place of support_index_min in some cases in order to avoid
+ an expensive linear scan of a large list of tags.
+
+ :param tags: the PEP 425 tags to check the wheel against.
+ :param tag_to_priority: a mapping from tag to priority of that tag, where
+ lower is more preferred.
+
+ :raises ValueError: If none of the wheel's file tags match one of
+ the supported tags.
+ """
+ return min(
+ tag_to_priority[tag] for tag in self.file_tags if tag in tag_to_priority
+ )
+
+ def supported(self, tags: Iterable[Tag]) -> bool:
+ """Return whether the wheel is compatible with one of the given tags.
+
+ :param tags: the PEP 425 tags to check the wheel against.
+ """
+ return not self.file_tags.isdisjoint(tags)
diff --git a/Scripts/Lib/site-packages/pip/_internal/network/__init__.py b/Scripts/Lib/site-packages/pip/_internal/network/__init__.py
new file mode 100644
index 0000000..b51bde9
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/network/__init__.py
@@ -0,0 +1,2 @@
+"""Contains purely network-related utilities.
+"""
diff --git a/Scripts/Lib/site-packages/pip/_internal/network/__pycache__/__init__.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_internal/network/__pycache__/__init__.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_internal/network/auth.py b/Scripts/Lib/site-packages/pip/_internal/network/auth.py
new file mode 100644
index 0000000..74d2254
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/network/auth.py
@@ -0,0 +1,316 @@
+"""Network Authentication Helpers
+
+Contains interface (MultiDomainBasicAuth) and associated glue code for
+providing credentials in the context of network requests.
+"""
+
+import urllib.parse
+from typing import Any, Dict, List, Optional, Tuple
+
+from pip._vendor.requests.auth import AuthBase, HTTPBasicAuth
+from pip._vendor.requests.models import Request, Response
+from pip._vendor.requests.utils import get_netrc_auth
+
+from pip._internal.utils.logging import getLogger
+from pip._internal.utils.misc import (
+ ask,
+ ask_input,
+ ask_password,
+ remove_auth_from_url,
+ split_auth_netloc_from_url,
+)
+from pip._internal.vcs.versioncontrol import AuthInfo
+
+logger = getLogger(__name__)
+
+Credentials = Tuple[str, str, str]
+
+try:
+ import keyring
+except ImportError:
+ keyring = None
+except Exception as exc:
+ logger.warning(
+ "Keyring is skipped due to an exception: %s",
+ str(exc),
+ )
+ keyring = None
+
+
+def get_keyring_auth(url: Optional[str], username: Optional[str]) -> Optional[AuthInfo]:
+ """Return the tuple auth for a given url from keyring."""
+ global keyring
+ if not url or not keyring:
+ return None
+
+ try:
+ try:
+ get_credential = keyring.get_credential
+ except AttributeError:
+ pass
+ else:
+ logger.debug("Getting credentials from keyring for %s", url)
+ cred = get_credential(url, username)
+ if cred is not None:
+ return cred.username, cred.password
+ return None
+
+ if username:
+ logger.debug("Getting password from keyring for %s", url)
+ password = keyring.get_password(url, username)
+ if password:
+ return username, password
+
+ except Exception as exc:
+ logger.warning(
+ "Keyring is skipped due to an exception: %s",
+ str(exc),
+ )
+ keyring = None
+ return None
+
+
+class MultiDomainBasicAuth(AuthBase):
+ def __init__(
+ self, prompting: bool = True, index_urls: Optional[List[str]] = None
+ ) -> None:
+ self.prompting = prompting
+ self.index_urls = index_urls
+ self.passwords: Dict[str, AuthInfo] = {}
+ # When the user is prompted to enter credentials and keyring is
+ # available, we will offer to save them. If the user accepts,
+ # this value is set to the credentials they entered. After the
+ # request authenticates, the caller should call
+ # ``save_credentials`` to save these.
+ self._credentials_to_save: Optional[Credentials] = None
+
+ def _get_index_url(self, url: str) -> Optional[str]:
+ """Return the original index URL matching the requested URL.
+
+ Cached or dynamically generated credentials may work against
+ the original index URL rather than just the netloc.
+
+ The provided url should have had its username and password
+ removed already. If the original index url had credentials then
+ they will be included in the return value.
+
+ Returns None if no matching index was found, or if --no-index
+ was specified by the user.
+ """
+ if not url or not self.index_urls:
+ return None
+
+ for u in self.index_urls:
+ prefix = remove_auth_from_url(u).rstrip("/") + "/"
+ if url.startswith(prefix):
+ return u
+ return None
+
+ def _get_new_credentials(
+ self,
+ original_url: str,
+ allow_netrc: bool = True,
+ allow_keyring: bool = False,
+ ) -> AuthInfo:
+ """Find and return credentials for the specified URL."""
+ # Split the credentials and netloc from the url.
+ url, netloc, url_user_password = split_auth_netloc_from_url(
+ original_url,
+ )
+
+ # Start with the credentials embedded in the url
+ username, password = url_user_password
+ if username is not None and password is not None:
+ logger.debug("Found credentials in url for %s", netloc)
+ return url_user_password
+
+ # Find a matching index url for this request
+ index_url = self._get_index_url(url)
+ if index_url:
+ # Split the credentials from the url.
+ index_info = split_auth_netloc_from_url(index_url)
+ if index_info:
+ index_url, _, index_url_user_password = index_info
+ logger.debug("Found index url %s", index_url)
+
+ # If an index URL was found, try its embedded credentials
+ if index_url and index_url_user_password[0] is not None:
+ username, password = index_url_user_password
+ if username is not None and password is not None:
+ logger.debug("Found credentials in index url for %s", netloc)
+ return index_url_user_password
+
+ # Get creds from netrc if we still don't have them
+ if allow_netrc:
+ netrc_auth = get_netrc_auth(original_url)
+ if netrc_auth:
+ logger.debug("Found credentials in netrc for %s", netloc)
+ return netrc_auth
+
+ # If we don't have a password and keyring is available, use it.
+ if allow_keyring:
+ # The index url is more specific than the netloc, so try it first
+ # fmt: off
+ kr_auth = (
+ get_keyring_auth(index_url, username) or
+ get_keyring_auth(netloc, username)
+ )
+ # fmt: on
+ if kr_auth:
+ logger.debug("Found credentials in keyring for %s", netloc)
+ return kr_auth
+
+ return username, password
+
+ def _get_url_and_credentials(
+ self, original_url: str
+ ) -> Tuple[str, Optional[str], Optional[str]]:
+ """Return the credentials to use for the provided URL.
+
+ If allowed, netrc and keyring may be used to obtain the
+ correct credentials.
+
+ Returns (url_without_credentials, username, password). Note
+ that even if the original URL contains credentials, this
+ function may return a different username and password.
+ """
+ url, netloc, _ = split_auth_netloc_from_url(original_url)
+
+ # Try to get credentials from original url
+ username, password = self._get_new_credentials(original_url)
+
+ # If credentials not found, use any stored credentials for this netloc
+ if username is None and password is None:
+ username, password = self.passwords.get(netloc, (None, None))
+
+ if username is not None or password is not None:
+ # Convert the username and password if they're None, so that
+ # this netloc will show up as "cached" in the conditional above.
+ # Further, HTTPBasicAuth doesn't accept None, so it makes sense to
+ # cache the value that is going to be used.
+ username = username or ""
+ password = password or ""
+
+ # Store any acquired credentials.
+ self.passwords[netloc] = (username, password)
+
+ assert (
+ # Credentials were found
+ (username is not None and password is not None)
+ # Credentials were not found
+ or (username is None and password is None)
+ ), f"Could not load credentials from url: {original_url}"
+
+ return url, username, password
+
+ def __call__(self, req: Request) -> Request:
+ # Get credentials for this request
+ url, username, password = self._get_url_and_credentials(req.url)
+
+ # Set the url of the request to the url without any credentials
+ req.url = url
+
+ if username is not None and password is not None:
+ # Send the basic auth with this request
+ req = HTTPBasicAuth(username, password)(req)
+
+ # Attach a hook to handle 401 responses
+ req.register_hook("response", self.handle_401)
+
+ return req
+
+ # Factored out to allow for easy patching in tests
+ def _prompt_for_password(
+ self, netloc: str
+ ) -> Tuple[Optional[str], Optional[str], bool]:
+ username = ask_input(f"User for {netloc}: ")
+ if not username:
+ return None, None, False
+ auth = get_keyring_auth(netloc, username)
+ if auth and auth[0] is not None and auth[1] is not None:
+ return auth[0], auth[1], False
+ password = ask_password("Password: ")
+ return username, password, True
+
+ # Factored out to allow for easy patching in tests
+ def _should_save_password_to_keyring(self) -> bool:
+ if not keyring:
+ return False
+ return ask("Save credentials to keyring [y/N]: ", ["y", "n"]) == "y"
+
+ def handle_401(self, resp: Response, **kwargs: Any) -> Response:
+ # We only care about 401 responses, anything else we want to just
+ # pass through the actual response
+ if resp.status_code != 401:
+ return resp
+
+ # We are not able to prompt the user so simply return the response
+ if not self.prompting:
+ return resp
+
+ parsed = urllib.parse.urlparse(resp.url)
+
+ # Query the keyring for credentials:
+ username, password = self._get_new_credentials(
+ resp.url,
+ allow_netrc=False,
+ allow_keyring=True,
+ )
+
+ # Prompt the user for a new username and password
+ save = False
+ if not username and not password:
+ username, password, save = self._prompt_for_password(parsed.netloc)
+
+ # Store the new username and password to use for future requests
+ self._credentials_to_save = None
+ if username is not None and password is not None:
+ self.passwords[parsed.netloc] = (username, password)
+
+ # Prompt to save the password to keyring
+ if save and self._should_save_password_to_keyring():
+ self._credentials_to_save = (parsed.netloc, username, password)
+
+ # Consume content and release the original connection to allow our new
+ # request to reuse the same one.
+ resp.content
+ resp.raw.release_conn()
+
+ # Add our new username and password to the request
+ req = HTTPBasicAuth(username or "", password or "")(resp.request)
+ req.register_hook("response", self.warn_on_401)
+
+ # On successful request, save the credentials that were used to
+ # keyring. (Note that if the user responded "no" above, this member
+ # is not set and nothing will be saved.)
+ if self._credentials_to_save:
+ req.register_hook("response", self.save_credentials)
+
+ # Send our new request
+ new_resp = resp.connection.send(req, **kwargs)
+ new_resp.history.append(resp)
+
+ return new_resp
+
+ def warn_on_401(self, resp: Response, **kwargs: Any) -> None:
+ """Response callback to warn about incorrect credentials."""
+ if resp.status_code == 401:
+ logger.warning(
+ "401 Error, Credentials not correct for %s",
+ resp.request.url,
+ )
+
+ def save_credentials(self, resp: Response, **kwargs: Any) -> None:
+ """Response callback to save credentials on success."""
+ assert keyring is not None, "should never reach here without keyring"
+ if not keyring:
+ return
+
+ creds = self._credentials_to_save
+ self._credentials_to_save = None
+ if creds and resp.status_code < 400:
+ try:
+ logger.info("Saving credentials to keyring")
+ keyring.set_password(*creds)
+ except Exception:
+ logger.exception("Failed to save credentials")
diff --git a/Scripts/Lib/site-packages/pip/_internal/network/cache.py b/Scripts/Lib/site-packages/pip/_internal/network/cache.py
new file mode 100644
index 0000000..2d915e6
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/network/cache.py
@@ -0,0 +1,69 @@
+"""HTTP cache implementation.
+"""
+
+import os
+from contextlib import contextmanager
+from typing import Iterator, Optional
+
+from pip._vendor.cachecontrol.cache import BaseCache
+from pip._vendor.cachecontrol.caches import FileCache
+from pip._vendor.requests.models import Response
+
+from pip._internal.utils.filesystem import adjacent_tmp_file, replace
+from pip._internal.utils.misc import ensure_dir
+
+
+def is_from_cache(response: Response) -> bool:
+ return getattr(response, "from_cache", False)
+
+
+@contextmanager
+def suppressed_cache_errors() -> Iterator[None]:
+ """If we can't access the cache then we can just skip caching and process
+ requests as if caching wasn't enabled.
+ """
+ try:
+ yield
+ except OSError:
+ pass
+
+
+class SafeFileCache(BaseCache):
+ """
+ A file based cache which is safe to use even when the target directory may
+ not be accessible or writable.
+ """
+
+ def __init__(self, directory: str) -> None:
+ assert directory is not None, "Cache directory must not be None."
+ super().__init__()
+ self.directory = directory
+
+ def _get_cache_path(self, name: str) -> str:
+ # From cachecontrol.caches.file_cache.FileCache._fn, brought into our
+ # class for backwards-compatibility and to avoid using a non-public
+ # method.
+ hashed = FileCache.encode(name)
+ parts = list(hashed[:5]) + [hashed]
+ return os.path.join(self.directory, *parts)
+
+ def get(self, key: str) -> Optional[bytes]:
+ path = self._get_cache_path(key)
+ with suppressed_cache_errors():
+ with open(path, "rb") as f:
+ return f.read()
+
+ def set(self, key: str, value: bytes) -> None:
+ path = self._get_cache_path(key)
+ with suppressed_cache_errors():
+ ensure_dir(os.path.dirname(path))
+
+ with adjacent_tmp_file(path) as f:
+ f.write(value)
+
+ replace(f.name, path)
+
+ def delete(self, key: str) -> None:
+ path = self._get_cache_path(key)
+ with suppressed_cache_errors():
+ os.remove(path)
diff --git a/Scripts/Lib/site-packages/pip/_internal/network/download.py b/Scripts/Lib/site-packages/pip/_internal/network/download.py
new file mode 100644
index 0000000..47af547
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/network/download.py
@@ -0,0 +1,184 @@
+"""Download files with progress indicators.
+"""
+import cgi
+import logging
+import mimetypes
+import os
+from typing import Iterable, Optional, Tuple
+
+from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response
+
+from pip._internal.cli.progress_bars import DownloadProgressProvider
+from pip._internal.exceptions import NetworkConnectionError
+from pip._internal.models.index import PyPI
+from pip._internal.models.link import Link
+from pip._internal.network.cache import is_from_cache
+from pip._internal.network.session import PipSession
+from pip._internal.network.utils import HEADERS, raise_for_status, response_chunks
+from pip._internal.utils.misc import format_size, redact_auth_from_url, splitext
+
+logger = logging.getLogger(__name__)
+
+
+def _get_http_response_size(resp: Response) -> Optional[int]:
+ try:
+ return int(resp.headers["content-length"])
+ except (ValueError, KeyError, TypeError):
+ return None
+
+
+def _prepare_download(
+ resp: Response,
+ link: Link,
+ progress_bar: str,
+) -> Iterable[bytes]:
+ total_length = _get_http_response_size(resp)
+
+ if link.netloc == PyPI.file_storage_domain:
+ url = link.show_url
+ else:
+ url = link.url_without_fragment
+
+ logged_url = redact_auth_from_url(url)
+
+ if total_length:
+ logged_url = "{} ({})".format(logged_url, format_size(total_length))
+
+ if is_from_cache(resp):
+ logger.info("Using cached %s", logged_url)
+ else:
+ logger.info("Downloading %s", logged_url)
+
+ if logger.getEffectiveLevel() > logging.INFO:
+ show_progress = False
+ elif is_from_cache(resp):
+ show_progress = False
+ elif not total_length:
+ show_progress = True
+ elif total_length > (40 * 1000):
+ show_progress = True
+ else:
+ show_progress = False
+
+ chunks = response_chunks(resp, CONTENT_CHUNK_SIZE)
+
+ if not show_progress:
+ return chunks
+
+ return DownloadProgressProvider(progress_bar, max=total_length)(chunks)
+
+
+def sanitize_content_filename(filename: str) -> str:
+ """
+ Sanitize the "filename" value from a Content-Disposition header.
+ """
+ return os.path.basename(filename)
+
+
+def parse_content_disposition(content_disposition: str, default_filename: str) -> str:
+ """
+ Parse the "filename" value from a Content-Disposition header, and
+ return the default filename if the result is empty.
+ """
+ _type, params = cgi.parse_header(content_disposition)
+ filename = params.get("filename")
+ if filename:
+ # We need to sanitize the filename to prevent directory traversal
+ # in case the filename contains ".." path parts.
+ filename = sanitize_content_filename(filename)
+ return filename or default_filename
+
+
+def _get_http_response_filename(resp: Response, link: Link) -> str:
+ """Get an ideal filename from the given HTTP response, falling back to
+ the link filename if not provided.
+ """
+ filename = link.filename # fallback
+ # Have a look at the Content-Disposition header for a better guess
+ content_disposition = resp.headers.get("content-disposition")
+ if content_disposition:
+ filename = parse_content_disposition(content_disposition, filename)
+ ext: Optional[str] = splitext(filename)[1]
+ if not ext:
+ ext = mimetypes.guess_extension(resp.headers.get("content-type", ""))
+ if ext:
+ filename += ext
+ if not ext and link.url != resp.url:
+ ext = os.path.splitext(resp.url)[1]
+ if ext:
+ filename += ext
+ return filename
+
+
+def _http_get_download(session: PipSession, link: Link) -> Response:
+ target_url = link.url.split("#", 1)[0]
+ resp = session.get(target_url, headers=HEADERS, stream=True)
+ raise_for_status(resp)
+ return resp
+
+
+class Downloader:
+ def __init__(
+ self,
+ session: PipSession,
+ progress_bar: str,
+ ) -> None:
+ self._session = session
+ self._progress_bar = progress_bar
+
+ def __call__(self, link: Link, location: str) -> Tuple[str, str]:
+ """Download the file given by link into location."""
+ try:
+ resp = _http_get_download(self._session, link)
+ except NetworkConnectionError as e:
+ assert e.response is not None
+ logger.critical(
+ "HTTP error %s while getting %s", e.response.status_code, link
+ )
+ raise
+
+ filename = _get_http_response_filename(resp, link)
+ filepath = os.path.join(location, filename)
+
+ chunks = _prepare_download(resp, link, self._progress_bar)
+ with open(filepath, "wb") as content_file:
+ for chunk in chunks:
+ content_file.write(chunk)
+ content_type = resp.headers.get("Content-Type", "")
+ return filepath, content_type
+
+
+class BatchDownloader:
+ def __init__(
+ self,
+ session: PipSession,
+ progress_bar: str,
+ ) -> None:
+ self._session = session
+ self._progress_bar = progress_bar
+
+ def __call__(
+ self, links: Iterable[Link], location: str
+ ) -> Iterable[Tuple[Link, Tuple[str, str]]]:
+ """Download the files given by links into location."""
+ for link in links:
+ try:
+ resp = _http_get_download(self._session, link)
+ except NetworkConnectionError as e:
+ assert e.response is not None
+ logger.critical(
+ "HTTP error %s while getting %s",
+ e.response.status_code,
+ link,
+ )
+ raise
+
+ filename = _get_http_response_filename(resp, link)
+ filepath = os.path.join(location, filename)
+
+ chunks = _prepare_download(resp, link, self._progress_bar)
+ with open(filepath, "wb") as content_file:
+ for chunk in chunks:
+ content_file.write(chunk)
+ content_type = resp.headers.get("Content-Type", "")
+ yield link, (filepath, content_type)
diff --git a/Scripts/Lib/site-packages/pip/_internal/network/lazy_wheel.py b/Scripts/Lib/site-packages/pip/_internal/network/lazy_wheel.py
new file mode 100644
index 0000000..249bd05
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/network/lazy_wheel.py
@@ -0,0 +1,210 @@
+"""Lazy ZIP over HTTP"""
+
+__all__ = ["HTTPRangeRequestUnsupported", "dist_from_wheel_url"]
+
+from bisect import bisect_left, bisect_right
+from contextlib import contextmanager
+from tempfile import NamedTemporaryFile
+from typing import Any, Dict, Iterator, List, Optional, Tuple
+from zipfile import BadZipfile, ZipFile
+
+from pip._vendor.pkg_resources import Distribution
+from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response
+
+from pip._internal.network.session import PipSession
+from pip._internal.network.utils import HEADERS, raise_for_status, response_chunks
+from pip._internal.utils.wheel import pkg_resources_distribution_for_wheel
+
+
+class HTTPRangeRequestUnsupported(Exception):
+ pass
+
+
+def dist_from_wheel_url(name: str, url: str, session: PipSession) -> Distribution:
+ """Return a pkg_resources.Distribution from the given wheel URL.
+
+ This uses HTTP range requests to only fetch the potion of the wheel
+ containing metadata, just enough for the object to be constructed.
+ If such requests are not supported, HTTPRangeRequestUnsupported
+ is raised.
+ """
+ with LazyZipOverHTTP(url, session) as wheel:
+ # For read-only ZIP files, ZipFile only needs methods read,
+ # seek, seekable and tell, not the whole IO protocol.
+ zip_file = ZipFile(wheel) # type: ignore
+ # After context manager exit, wheel.name
+ # is an invalid file by intention.
+ return pkg_resources_distribution_for_wheel(zip_file, name, wheel.name)
+
+
+class LazyZipOverHTTP:
+ """File-like object mapped to a ZIP file over HTTP.
+
+ This uses HTTP range requests to lazily fetch the file's content,
+ which is supposed to be fed to ZipFile. If such requests are not
+ supported by the server, raise HTTPRangeRequestUnsupported
+ during initialization.
+ """
+
+ def __init__(
+ self, url: str, session: PipSession, chunk_size: int = CONTENT_CHUNK_SIZE
+ ) -> None:
+ head = session.head(url, headers=HEADERS)
+ raise_for_status(head)
+ assert head.status_code == 200
+ self._session, self._url, self._chunk_size = session, url, chunk_size
+ self._length = int(head.headers["Content-Length"])
+ self._file = NamedTemporaryFile()
+ self.truncate(self._length)
+ self._left: List[int] = []
+ self._right: List[int] = []
+ if "bytes" not in head.headers.get("Accept-Ranges", "none"):
+ raise HTTPRangeRequestUnsupported("range request is not supported")
+ self._check_zip()
+
+ @property
+ def mode(self) -> str:
+ """Opening mode, which is always rb."""
+ return "rb"
+
+ @property
+ def name(self) -> str:
+ """Path to the underlying file."""
+ return self._file.name
+
+ def seekable(self) -> bool:
+ """Return whether random access is supported, which is True."""
+ return True
+
+ def close(self) -> None:
+ """Close the file."""
+ self._file.close()
+
+ @property
+ def closed(self) -> bool:
+ """Whether the file is closed."""
+ return self._file.closed
+
+ def read(self, size: int = -1) -> bytes:
+ """Read up to size bytes from the object and return them.
+
+ As a convenience, if size is unspecified or -1,
+ all bytes until EOF are returned. Fewer than
+ size bytes may be returned if EOF is reached.
+ """
+ download_size = max(size, self._chunk_size)
+ start, length = self.tell(), self._length
+ stop = length if size < 0 else min(start + download_size, length)
+ start = max(0, stop - download_size)
+ self._download(start, stop - 1)
+ return self._file.read(size)
+
+ def readable(self) -> bool:
+ """Return whether the file is readable, which is True."""
+ return True
+
+ def seek(self, offset: int, whence: int = 0) -> int:
+ """Change stream position and return the new absolute position.
+
+ Seek to offset relative position indicated by whence:
+ * 0: Start of stream (the default). pos should be >= 0;
+ * 1: Current position - pos may be negative;
+ * 2: End of stream - pos usually negative.
+ """
+ return self._file.seek(offset, whence)
+
+ def tell(self) -> int:
+ """Return the current position."""
+ return self._file.tell()
+
+ def truncate(self, size: Optional[int] = None) -> int:
+ """Resize the stream to the given size in bytes.
+
+ If size is unspecified resize to the current position.
+ The current stream position isn't changed.
+
+ Return the new file size.
+ """
+ return self._file.truncate(size)
+
+ def writable(self) -> bool:
+ """Return False."""
+ return False
+
+ def __enter__(self) -> "LazyZipOverHTTP":
+ self._file.__enter__()
+ return self
+
+ def __exit__(self, *exc: Any) -> Optional[bool]:
+ return self._file.__exit__(*exc)
+
+ @contextmanager
+ def _stay(self) -> Iterator[None]:
+ """Return a context manager keeping the position.
+
+ At the end of the block, seek back to original position.
+ """
+ pos = self.tell()
+ try:
+ yield
+ finally:
+ self.seek(pos)
+
+ def _check_zip(self) -> None:
+ """Check and download until the file is a valid ZIP."""
+ end = self._length - 1
+ for start in reversed(range(0, end, self._chunk_size)):
+ self._download(start, end)
+ with self._stay():
+ try:
+ # For read-only ZIP files, ZipFile only needs
+ # methods read, seek, seekable and tell.
+ ZipFile(self) # type: ignore
+ except BadZipfile:
+ pass
+ else:
+ break
+
+ def _stream_response(
+ self, start: int, end: int, base_headers: Dict[str, str] = HEADERS
+ ) -> Response:
+ """Return HTTP response to a range request from start to end."""
+ headers = base_headers.copy()
+ headers["Range"] = f"bytes={start}-{end}"
+ # TODO: Get range requests to be correctly cached
+ headers["Cache-Control"] = "no-cache"
+ return self._session.get(self._url, headers=headers, stream=True)
+
+ def _merge(
+ self, start: int, end: int, left: int, right: int
+ ) -> Iterator[Tuple[int, int]]:
+ """Return an iterator of intervals to be fetched.
+
+ Args:
+ start (int): Start of needed interval
+ end (int): End of needed interval
+ left (int): Index of first overlapping downloaded data
+ right (int): Index after last overlapping downloaded data
+ """
+ lslice, rslice = self._left[left:right], self._right[left:right]
+ i = start = min([start] + lslice[:1])
+ end = max([end] + rslice[-1:])
+ for j, k in zip(lslice, rslice):
+ if j > i:
+ yield i, j - 1
+ i = k + 1
+ if i <= end:
+ yield i, end
+ self._left[left:right], self._right[left:right] = [start], [end]
+
+ def _download(self, start: int, end: int) -> None:
+ """Download bytes from start to end inclusively."""
+ with self._stay():
+ left = bisect_left(self._right, start)
+ right = bisect_right(self._left, end)
+ for start, end in self._merge(start, end, left, right):
+ response = self._stream_response(start, end)
+ response.raise_for_status()
+ self.seek(start)
+ for chunk in response_chunks(response, self._chunk_size):
+ self._file.write(chunk)
diff --git a/Scripts/Lib/site-packages/pip/_internal/network/session.py b/Scripts/Lib/site-packages/pip/_internal/network/session.py
new file mode 100644
index 0000000..faaae40
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/network/session.py
@@ -0,0 +1,454 @@
+"""PipSession and supporting code, containing all pip-specific
+network request configuration and behavior.
+"""
+
+# When mypy runs on Windows the call to distro.linux_distribution() is skipped
+# resulting in the failure:
+#
+# error: unused 'type: ignore' comment
+#
+# If the upstream module adds typing, this comment should be removed. See
+# https://github.com/nir0s/distro/pull/269
+#
+# mypy: warn-unused-ignores=False
+
+import email.utils
+import ipaddress
+import json
+import logging
+import mimetypes
+import os
+import platform
+import shutil
+import subprocess
+import sys
+import urllib.parse
+import warnings
+from typing import Any, Dict, Iterator, List, Mapping, Optional, Sequence, Tuple, Union
+
+from pip._vendor import requests, urllib3
+from pip._vendor.cachecontrol import CacheControlAdapter
+from pip._vendor.requests.adapters import BaseAdapter, HTTPAdapter
+from pip._vendor.requests.models import PreparedRequest, Response
+from pip._vendor.requests.structures import CaseInsensitiveDict
+from pip._vendor.urllib3.connectionpool import ConnectionPool
+from pip._vendor.urllib3.exceptions import InsecureRequestWarning
+
+from pip import __version__
+from pip._internal.metadata import get_default_environment
+from pip._internal.models.link import Link
+from pip._internal.network.auth import MultiDomainBasicAuth
+from pip._internal.network.cache import SafeFileCache
+
+# Import ssl from compat so the initial import occurs in only one place.
+from pip._internal.utils.compat import has_tls
+from pip._internal.utils.glibc import libc_ver
+from pip._internal.utils.misc import build_url_from_netloc, parse_netloc
+from pip._internal.utils.urls import url_to_path
+
+logger = logging.getLogger(__name__)
+
+SecureOrigin = Tuple[str, str, Optional[Union[int, str]]]
+
+
+# Ignore warning raised when using --trusted-host.
+warnings.filterwarnings("ignore", category=InsecureRequestWarning)
+
+
+SECURE_ORIGINS: List[SecureOrigin] = [
+ # protocol, hostname, port
+ # Taken from Chrome's list of secure origins (See: http://bit.ly/1qrySKC)
+ ("https", "*", "*"),
+ ("*", "localhost", "*"),
+ ("*", "127.0.0.0/8", "*"),
+ ("*", "::1/128", "*"),
+ ("file", "*", None),
+ # ssh is always secure.
+ ("ssh", "*", "*"),
+]
+
+
+# These are environment variables present when running under various
+# CI systems. For each variable, some CI systems that use the variable
+# are indicated. The collection was chosen so that for each of a number
+# of popular systems, at least one of the environment variables is used.
+# This list is used to provide some indication of and lower bound for
+# CI traffic to PyPI. Thus, it is okay if the list is not comprehensive.
+# For more background, see: https://github.com/pypa/pip/issues/5499
+CI_ENVIRONMENT_VARIABLES = (
+ # Azure Pipelines
+ "BUILD_BUILDID",
+ # Jenkins
+ "BUILD_ID",
+ # AppVeyor, CircleCI, Codeship, Gitlab CI, Shippable, Travis CI
+ "CI",
+ # Explicit environment variable.
+ "PIP_IS_CI",
+)
+
+
+def looks_like_ci() -> bool:
+ """
+ Return whether it looks like pip is running under CI.
+ """
+ # We don't use the method of checking for a tty (e.g. using isatty())
+ # because some CI systems mimic a tty (e.g. Travis CI). Thus that
+ # method doesn't provide definitive information in either direction.
+ return any(name in os.environ for name in CI_ENVIRONMENT_VARIABLES)
+
+
+def user_agent() -> str:
+ """
+ Return a string representing the user agent.
+ """
+ data: Dict[str, Any] = {
+ "installer": {"name": "pip", "version": __version__},
+ "python": platform.python_version(),
+ "implementation": {
+ "name": platform.python_implementation(),
+ },
+ }
+
+ if data["implementation"]["name"] == "CPython":
+ data["implementation"]["version"] = platform.python_version()
+ elif data["implementation"]["name"] == "PyPy":
+ pypy_version_info = sys.pypy_version_info # type: ignore
+ if pypy_version_info.releaselevel == "final":
+ pypy_version_info = pypy_version_info[:3]
+ data["implementation"]["version"] = ".".join(
+ [str(x) for x in pypy_version_info]
+ )
+ elif data["implementation"]["name"] == "Jython":
+ # Complete Guess
+ data["implementation"]["version"] = platform.python_version()
+ elif data["implementation"]["name"] == "IronPython":
+ # Complete Guess
+ data["implementation"]["version"] = platform.python_version()
+
+ if sys.platform.startswith("linux"):
+ from pip._vendor import distro
+
+ # https://github.com/nir0s/distro/pull/269
+ linux_distribution = distro.linux_distribution() # type: ignore
+ distro_infos = dict(
+ filter(
+ lambda x: x[1],
+ zip(["name", "version", "id"], linux_distribution),
+ )
+ )
+ libc = dict(
+ filter(
+ lambda x: x[1],
+ zip(["lib", "version"], libc_ver()),
+ )
+ )
+ if libc:
+ distro_infos["libc"] = libc
+ if distro_infos:
+ data["distro"] = distro_infos
+
+ if sys.platform.startswith("darwin") and platform.mac_ver()[0]:
+ data["distro"] = {"name": "macOS", "version": platform.mac_ver()[0]}
+
+ if platform.system():
+ data.setdefault("system", {})["name"] = platform.system()
+
+ if platform.release():
+ data.setdefault("system", {})["release"] = platform.release()
+
+ if platform.machine():
+ data["cpu"] = platform.machine()
+
+ if has_tls():
+ import _ssl as ssl
+
+ data["openssl_version"] = ssl.OPENSSL_VERSION
+
+ setuptools_dist = get_default_environment().get_distribution("setuptools")
+ if setuptools_dist is not None:
+ data["setuptools_version"] = str(setuptools_dist.version)
+
+ if shutil.which("rustc") is not None:
+ # If for any reason `rustc --version` fails, silently ignore it
+ try:
+ rustc_output = subprocess.check_output(
+ ["rustc", "--version"], stderr=subprocess.STDOUT, timeout=0.5
+ )
+ except Exception:
+ pass
+ else:
+ if rustc_output.startswith(b"rustc "):
+ # The format of `rustc --version` is:
+ # `b'rustc 1.52.1 (9bc8c42bb 2021-05-09)\n'`
+ # We extract just the middle (1.52.1) part
+ data["rustc_version"] = rustc_output.split(b" ")[1].decode()
+
+ # Use None rather than False so as not to give the impression that
+ # pip knows it is not being run under CI. Rather, it is a null or
+ # inconclusive result. Also, we include some value rather than no
+ # value to make it easier to know that the check has been run.
+ data["ci"] = True if looks_like_ci() else None
+
+ user_data = os.environ.get("PIP_USER_AGENT_USER_DATA")
+ if user_data is not None:
+ data["user_data"] = user_data
+
+ return "{data[installer][name]}/{data[installer][version]} {json}".format(
+ data=data,
+ json=json.dumps(data, separators=(",", ":"), sort_keys=True),
+ )
+
+
+class LocalFSAdapter(BaseAdapter):
+ def send(
+ self,
+ request: PreparedRequest,
+ stream: bool = False,
+ timeout: Optional[Union[float, Tuple[float, float]]] = None,
+ verify: Union[bool, str] = True,
+ cert: Optional[Union[str, Tuple[str, str]]] = None,
+ proxies: Optional[Mapping[str, str]] = None,
+ ) -> Response:
+ pathname = url_to_path(request.url)
+
+ resp = Response()
+ resp.status_code = 200
+ resp.url = request.url
+
+ try:
+ stats = os.stat(pathname)
+ except OSError as exc:
+ resp.status_code = 404
+ resp.raw = exc
+ else:
+ modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
+ content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
+ resp.headers = CaseInsensitiveDict(
+ {
+ "Content-Type": content_type,
+ "Content-Length": stats.st_size,
+ "Last-Modified": modified,
+ }
+ )
+
+ resp.raw = open(pathname, "rb")
+ resp.close = resp.raw.close
+
+ return resp
+
+ def close(self) -> None:
+ pass
+
+
+class InsecureHTTPAdapter(HTTPAdapter):
+ def cert_verify(
+ self,
+ conn: ConnectionPool,
+ url: str,
+ verify: Union[bool, str],
+ cert: Optional[Union[str, Tuple[str, str]]],
+ ) -> None:
+ super().cert_verify(conn=conn, url=url, verify=False, cert=cert)
+
+
+class InsecureCacheControlAdapter(CacheControlAdapter):
+ def cert_verify(
+ self,
+ conn: ConnectionPool,
+ url: str,
+ verify: Union[bool, str],
+ cert: Optional[Union[str, Tuple[str, str]]],
+ ) -> None:
+ super().cert_verify(conn=conn, url=url, verify=False, cert=cert)
+
+
+class PipSession(requests.Session):
+
+ timeout: Optional[int] = None
+
+ def __init__(
+ self,
+ *args: Any,
+ retries: int = 0,
+ cache: Optional[str] = None,
+ trusted_hosts: Sequence[str] = (),
+ index_urls: Optional[List[str]] = None,
+ **kwargs: Any,
+ ) -> None:
+ """
+ :param trusted_hosts: Domains not to emit warnings for when not using
+ HTTPS.
+ """
+ super().__init__(*args, **kwargs)
+
+ # Namespace the attribute with "pip_" just in case to prevent
+ # possible conflicts with the base class.
+ self.pip_trusted_origins: List[Tuple[str, Optional[int]]] = []
+
+ # Attach our User Agent to the request
+ self.headers["User-Agent"] = user_agent()
+
+ # Attach our Authentication handler to the session
+ self.auth = MultiDomainBasicAuth(index_urls=index_urls)
+
+ # Create our urllib3.Retry instance which will allow us to customize
+ # how we handle retries.
+ retries = urllib3.Retry(
+ # Set the total number of retries that a particular request can
+ # have.
+ total=retries,
+ # A 503 error from PyPI typically means that the Fastly -> Origin
+ # connection got interrupted in some way. A 503 error in general
+ # is typically considered a transient error so we'll go ahead and
+ # retry it.
+ # A 500 may indicate transient error in Amazon S3
+ # A 520 or 527 - may indicate transient error in CloudFlare
+ status_forcelist=[500, 503, 520, 527],
+ # Add a small amount of back off between failed requests in
+ # order to prevent hammering the service.
+ backoff_factor=0.25,
+ ) # type: ignore
+
+ # Our Insecure HTTPAdapter disables HTTPS validation. It does not
+ # support caching so we'll use it for all http:// URLs.
+ # If caching is disabled, we will also use it for
+ # https:// hosts that we've marked as ignoring
+ # TLS errors for (trusted-hosts).
+ insecure_adapter = InsecureHTTPAdapter(max_retries=retries)
+
+ # We want to _only_ cache responses on securely fetched origins or when
+ # the host is specified as trusted. We do this because
+ # we can't validate the response of an insecurely/untrusted fetched
+ # origin, and we don't want someone to be able to poison the cache and
+ # require manual eviction from the cache to fix it.
+ if cache:
+ secure_adapter = CacheControlAdapter(
+ cache=SafeFileCache(cache),
+ max_retries=retries,
+ )
+ self._trusted_host_adapter = InsecureCacheControlAdapter(
+ cache=SafeFileCache(cache),
+ max_retries=retries,
+ )
+ else:
+ secure_adapter = HTTPAdapter(max_retries=retries)
+ self._trusted_host_adapter = insecure_adapter
+
+ self.mount("https://", secure_adapter)
+ self.mount("http://", insecure_adapter)
+
+ # Enable file:// urls
+ self.mount("file://", LocalFSAdapter())
+
+ for host in trusted_hosts:
+ self.add_trusted_host(host, suppress_logging=True)
+
+ def update_index_urls(self, new_index_urls: List[str]) -> None:
+ """
+ :param new_index_urls: New index urls to update the authentication
+ handler with.
+ """
+ self.auth.index_urls = new_index_urls
+
+ def add_trusted_host(
+ self, host: str, source: Optional[str] = None, suppress_logging: bool = False
+ ) -> None:
+ """
+ :param host: It is okay to provide a host that has previously been
+ added.
+ :param source: An optional source string, for logging where the host
+ string came from.
+ """
+ if not suppress_logging:
+ msg = f"adding trusted host: {host!r}"
+ if source is not None:
+ msg += f" (from {source})"
+ logger.info(msg)
+
+ host_port = parse_netloc(host)
+ if host_port not in self.pip_trusted_origins:
+ self.pip_trusted_origins.append(host_port)
+
+ self.mount(build_url_from_netloc(host) + "/", self._trusted_host_adapter)
+ if not host_port[1]:
+ # Mount wildcard ports for the same host.
+ self.mount(build_url_from_netloc(host) + ":", self._trusted_host_adapter)
+
+ def iter_secure_origins(self) -> Iterator[SecureOrigin]:
+ yield from SECURE_ORIGINS
+ for host, port in self.pip_trusted_origins:
+ yield ("*", host, "*" if port is None else port)
+
+ def is_secure_origin(self, location: Link) -> bool:
+ # Determine if this url used a secure transport mechanism
+ parsed = urllib.parse.urlparse(str(location))
+ origin_protocol, origin_host, origin_port = (
+ parsed.scheme,
+ parsed.hostname,
+ parsed.port,
+ )
+
+ # The protocol to use to see if the protocol matches.
+ # Don't count the repository type as part of the protocol: in
+ # cases such as "git+ssh", only use "ssh". (I.e., Only verify against
+ # the last scheme.)
+ origin_protocol = origin_protocol.rsplit("+", 1)[-1]
+
+ # Determine if our origin is a secure origin by looking through our
+ # hardcoded list of secure origins, as well as any additional ones
+ # configured on this PackageFinder instance.
+ for secure_origin in self.iter_secure_origins():
+ secure_protocol, secure_host, secure_port = secure_origin
+ if origin_protocol != secure_protocol and secure_protocol != "*":
+ continue
+
+ try:
+ addr = ipaddress.ip_address(origin_host)
+ network = ipaddress.ip_network(secure_host)
+ except ValueError:
+ # We don't have both a valid address or a valid network, so
+ # we'll check this origin against hostnames.
+ if (
+ origin_host
+ and origin_host.lower() != secure_host.lower()
+ and secure_host != "*"
+ ):
+ continue
+ else:
+ # We have a valid address and network, so see if the address
+ # is contained within the network.
+ if addr not in network:
+ continue
+
+ # Check to see if the port matches.
+ if (
+ origin_port != secure_port
+ and secure_port != "*"
+ and secure_port is not None
+ ):
+ continue
+
+ # If we've gotten here, then this origin matches the current
+ # secure origin and we should return True
+ return True
+
+ # If we've gotten to this point, then the origin isn't secure and we
+ # will not accept it as a valid location to search. We will however
+ # log a warning that we are ignoring it.
+ logger.warning(
+ "The repository located at %s is not a trusted or secure host and "
+ "is being ignored. If this repository is available via HTTPS we "
+ "recommend you use HTTPS instead, otherwise you may silence "
+ "this warning and allow it anyway with '--trusted-host %s'.",
+ origin_host,
+ origin_host,
+ )
+
+ return False
+
+ def request(self, method: str, url: str, *args: Any, **kwargs: Any) -> Response:
+ # Allow setting a default timeout on a session
+ kwargs.setdefault("timeout", self.timeout)
+
+ # Dispatch the actual request
+ return super().request(method, url, *args, **kwargs)
diff --git a/Scripts/Lib/site-packages/pip/_internal/network/utils.py b/Scripts/Lib/site-packages/pip/_internal/network/utils.py
new file mode 100644
index 0000000..094cf1b
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/network/utils.py
@@ -0,0 +1,96 @@
+from typing import Dict, Iterator
+
+from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response
+
+from pip._internal.exceptions import NetworkConnectionError
+
+# The following comments and HTTP headers were originally added by
+# Donald Stufft in git commit 22c562429a61bb77172039e480873fb239dd8c03.
+#
+# We use Accept-Encoding: identity here because requests defaults to
+# accepting compressed responses. This breaks in a variety of ways
+# depending on how the server is configured.
+# - Some servers will notice that the file isn't a compressible file
+# and will leave the file alone and with an empty Content-Encoding
+# - Some servers will notice that the file is already compressed and
+# will leave the file alone, adding a Content-Encoding: gzip header
+# - Some servers won't notice anything at all and will take a file
+# that's already been compressed and compress it again, and set
+# the Content-Encoding: gzip header
+# By setting this to request only the identity encoding we're hoping
+# to eliminate the third case. Hopefully there does not exist a server
+# which when given a file will notice it is already compressed and that
+# you're not asking for a compressed file and will then decompress it
+# before sending because if that's the case I don't think it'll ever be
+# possible to make this work.
+HEADERS: Dict[str, str] = {"Accept-Encoding": "identity"}
+
+
+def raise_for_status(resp: Response) -> None:
+ http_error_msg = ""
+ if isinstance(resp.reason, bytes):
+ # We attempt to decode utf-8 first because some servers
+ # choose to localize their reason strings. If the string
+ # isn't utf-8, we fall back to iso-8859-1 for all other
+ # encodings.
+ try:
+ reason = resp.reason.decode("utf-8")
+ except UnicodeDecodeError:
+ reason = resp.reason.decode("iso-8859-1")
+ else:
+ reason = resp.reason
+
+ if 400 <= resp.status_code < 500:
+ http_error_msg = (
+ f"{resp.status_code} Client Error: {reason} for url: {resp.url}"
+ )
+
+ elif 500 <= resp.status_code < 600:
+ http_error_msg = (
+ f"{resp.status_code} Server Error: {reason} for url: {resp.url}"
+ )
+
+ if http_error_msg:
+ raise NetworkConnectionError(http_error_msg, response=resp)
+
+
+def response_chunks(
+ response: Response, chunk_size: int = CONTENT_CHUNK_SIZE
+) -> Iterator[bytes]:
+ """Given a requests Response, provide the data chunks."""
+ try:
+ # Special case for urllib3.
+ for chunk in response.raw.stream(
+ chunk_size,
+ # We use decode_content=False here because we don't
+ # want urllib3 to mess with the raw bytes we get
+ # from the server. If we decompress inside of
+ # urllib3 then we cannot verify the checksum
+ # because the checksum will be of the compressed
+ # file. This breakage will only occur if the
+ # server adds a Content-Encoding header, which
+ # depends on how the server was configured:
+ # - Some servers will notice that the file isn't a
+ # compressible file and will leave the file alone
+ # and with an empty Content-Encoding
+ # - Some servers will notice that the file is
+ # already compressed and will leave the file
+ # alone and will add a Content-Encoding: gzip
+ # header
+ # - Some servers won't notice anything at all and
+ # will take a file that's already been compressed
+ # and compress it again and set the
+ # Content-Encoding: gzip header
+ #
+ # By setting this not to decode automatically we
+ # hope to eliminate problems with the second case.
+ decode_content=False,
+ ):
+ yield chunk
+ except AttributeError:
+ # Standard file-like object.
+ while True:
+ chunk = response.raw.read(chunk_size)
+ if not chunk:
+ break
+ yield chunk
diff --git a/Scripts/Lib/site-packages/pip/_internal/network/xmlrpc.py b/Scripts/Lib/site-packages/pip/_internal/network/xmlrpc.py
new file mode 100644
index 0000000..4a7d55d
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/network/xmlrpc.py
@@ -0,0 +1,60 @@
+"""xmlrpclib.Transport implementation
+"""
+
+import logging
+import urllib.parse
+import xmlrpc.client
+from typing import TYPE_CHECKING, Tuple
+
+from pip._internal.exceptions import NetworkConnectionError
+from pip._internal.network.session import PipSession
+from pip._internal.network.utils import raise_for_status
+
+if TYPE_CHECKING:
+ from xmlrpc.client import _HostType, _Marshallable
+
+logger = logging.getLogger(__name__)
+
+
+class PipXmlrpcTransport(xmlrpc.client.Transport):
+ """Provide a `xmlrpclib.Transport` implementation via a `PipSession`
+ object.
+ """
+
+ def __init__(
+ self, index_url: str, session: PipSession, use_datetime: bool = False
+ ) -> None:
+ super().__init__(use_datetime)
+ index_parts = urllib.parse.urlparse(index_url)
+ self._scheme = index_parts.scheme
+ self._session = session
+
+ def request(
+ self,
+ host: "_HostType",
+ handler: str,
+ request_body: bytes,
+ verbose: bool = False,
+ ) -> Tuple["_Marshallable", ...]:
+ assert isinstance(host, str)
+ parts = (self._scheme, host, handler, None, None, None)
+ url = urllib.parse.urlunparse(parts)
+ try:
+ headers = {"Content-Type": "text/xml"}
+ response = self._session.post(
+ url,
+ data=request_body,
+ headers=headers,
+ stream=True,
+ )
+ raise_for_status(response)
+ self.verbose = verbose
+ return self.parse_response(response.raw)
+ except NetworkConnectionError as exc:
+ assert exc.response
+ logger.critical(
+ "HTTP error %s while getting %s",
+ exc.response.status_code,
+ url,
+ )
+ raise
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diff --git a/Scripts/Lib/site-packages/pip/_internal/operations/build/metadata.py b/Scripts/Lib/site-packages/pip/_internal/operations/build/metadata.py
new file mode 100644
index 0000000..1c82683
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/operations/build/metadata.py
@@ -0,0 +1,35 @@
+"""Metadata generation logic for source distributions.
+"""
+
+import os
+
+from pip._vendor.pep517.wrappers import Pep517HookCaller
+
+from pip._internal.build_env import BuildEnvironment
+from pip._internal.utils.subprocess import runner_with_spinner_message
+from pip._internal.utils.temp_dir import TempDirectory
+
+
+def generate_metadata(build_env, backend):
+ # type: (BuildEnvironment, Pep517HookCaller) -> str
+ """Generate metadata using mechanisms described in PEP 517.
+
+ Returns the generated metadata directory.
+ """
+ metadata_tmpdir = TempDirectory(
+ kind="modern-metadata", globally_managed=True
+ )
+
+ metadata_dir = metadata_tmpdir.path
+
+ with build_env:
+ # Note that Pep517HookCaller implements a fallback for
+ # prepare_metadata_for_build_wheel, so we don't have to
+ # consider the possibility that this hook doesn't exist.
+ runner = runner_with_spinner_message("Preparing wheel metadata")
+ with backend.subprocess_runner(runner):
+ distinfo_dir = backend.prepare_metadata_for_build_wheel(
+ metadata_dir
+ )
+
+ return os.path.join(metadata_dir, distinfo_dir)
diff --git a/Scripts/Lib/site-packages/pip/_internal/operations/build/metadata_legacy.py b/Scripts/Lib/site-packages/pip/_internal/operations/build/metadata_legacy.py
new file mode 100644
index 0000000..f46538a
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/operations/build/metadata_legacy.py
@@ -0,0 +1,74 @@
+"""Metadata generation logic for legacy source distributions.
+"""
+
+import logging
+import os
+
+from pip._internal.build_env import BuildEnvironment
+from pip._internal.exceptions import InstallationError
+from pip._internal.utils.setuptools_build import make_setuptools_egg_info_args
+from pip._internal.utils.subprocess import call_subprocess
+from pip._internal.utils.temp_dir import TempDirectory
+
+logger = logging.getLogger(__name__)
+
+
+def _find_egg_info(directory):
+ # type: (str) -> str
+ """Find an .egg-info subdirectory in `directory`.
+ """
+ filenames = [
+ f for f in os.listdir(directory) if f.endswith(".egg-info")
+ ]
+
+ if not filenames:
+ raise InstallationError(
+ f"No .egg-info directory found in {directory}"
+ )
+
+ if len(filenames) > 1:
+ raise InstallationError(
+ "More than one .egg-info directory found in {}".format(
+ directory
+ )
+ )
+
+ return os.path.join(directory, filenames[0])
+
+
+def generate_metadata(
+ build_env, # type: BuildEnvironment
+ setup_py_path, # type: str
+ source_dir, # type: str
+ isolated, # type: bool
+ details, # type: str
+):
+ # type: (...) -> str
+ """Generate metadata using setup.py-based defacto mechanisms.
+
+ Returns the generated metadata directory.
+ """
+ logger.debug(
+ 'Running setup.py (path:%s) egg_info for package %s',
+ setup_py_path, details,
+ )
+
+ egg_info_dir = TempDirectory(
+ kind="pip-egg-info", globally_managed=True
+ ).path
+
+ args = make_setuptools_egg_info_args(
+ setup_py_path,
+ egg_info_dir=egg_info_dir,
+ no_user_config=isolated,
+ )
+
+ with build_env:
+ call_subprocess(
+ args,
+ cwd=source_dir,
+ command_desc='python setup.py egg_info',
+ )
+
+ # Return the .egg-info directory.
+ return _find_egg_info(egg_info_dir)
diff --git a/Scripts/Lib/site-packages/pip/_internal/operations/build/wheel.py b/Scripts/Lib/site-packages/pip/_internal/operations/build/wheel.py
new file mode 100644
index 0000000..903bd7a
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/operations/build/wheel.py
@@ -0,0 +1,38 @@
+import logging
+import os
+from typing import Optional
+
+from pip._vendor.pep517.wrappers import Pep517HookCaller
+
+from pip._internal.utils.subprocess import runner_with_spinner_message
+
+logger = logging.getLogger(__name__)
+
+
+def build_wheel_pep517(
+ name, # type: str
+ backend, # type: Pep517HookCaller
+ metadata_directory, # type: str
+ tempd, # type: str
+):
+ # type: (...) -> Optional[str]
+ """Build one InstallRequirement using the PEP 517 build process.
+
+ Returns path to wheel if successfully built. Otherwise, returns None.
+ """
+ assert metadata_directory is not None
+ try:
+ logger.debug('Destination directory: %s', tempd)
+
+ runner = runner_with_spinner_message(
+ f'Building wheel for {name} (PEP 517)'
+ )
+ with backend.subprocess_runner(runner):
+ wheel_name = backend.build_wheel(
+ tempd,
+ metadata_directory=metadata_directory,
+ )
+ except Exception:
+ logger.error('Failed building wheel for %s', name)
+ return None
+ return os.path.join(tempd, wheel_name)
diff --git a/Scripts/Lib/site-packages/pip/_internal/operations/build/wheel_legacy.py b/Scripts/Lib/site-packages/pip/_internal/operations/build/wheel_legacy.py
new file mode 100644
index 0000000..755c3bc
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/operations/build/wheel_legacy.py
@@ -0,0 +1,110 @@
+import logging
+import os.path
+from typing import List, Optional
+
+from pip._internal.cli.spinners import open_spinner
+from pip._internal.utils.setuptools_build import make_setuptools_bdist_wheel_args
+from pip._internal.utils.subprocess import (
+ LOG_DIVIDER,
+ call_subprocess,
+ format_command_args,
+)
+
+logger = logging.getLogger(__name__)
+
+
+def format_command_result(
+ command_args, # type: List[str]
+ command_output, # type: str
+):
+ # type: (...) -> str
+ """Format command information for logging."""
+ command_desc = format_command_args(command_args)
+ text = f'Command arguments: {command_desc}\n'
+
+ if not command_output:
+ text += 'Command output: None'
+ elif logger.getEffectiveLevel() > logging.DEBUG:
+ text += 'Command output: [use --verbose to show]'
+ else:
+ if not command_output.endswith('\n'):
+ command_output += '\n'
+ text += f'Command output:\n{command_output}{LOG_DIVIDER}'
+
+ return text
+
+
+def get_legacy_build_wheel_path(
+ names, # type: List[str]
+ temp_dir, # type: str
+ name, # type: str
+ command_args, # type: List[str]
+ command_output, # type: str
+):
+ # type: (...) -> Optional[str]
+ """Return the path to the wheel in the temporary build directory."""
+ # Sort for determinism.
+ names = sorted(names)
+ if not names:
+ msg = (
+ 'Legacy build of wheel for {!r} created no files.\n'
+ ).format(name)
+ msg += format_command_result(command_args, command_output)
+ logger.warning(msg)
+ return None
+
+ if len(names) > 1:
+ msg = (
+ 'Legacy build of wheel for {!r} created more than one file.\n'
+ 'Filenames (choosing first): {}\n'
+ ).format(name, names)
+ msg += format_command_result(command_args, command_output)
+ logger.warning(msg)
+
+ return os.path.join(temp_dir, names[0])
+
+
+def build_wheel_legacy(
+ name, # type: str
+ setup_py_path, # type: str
+ source_dir, # type: str
+ global_options, # type: List[str]
+ build_options, # type: List[str]
+ tempd, # type: str
+):
+ # type: (...) -> Optional[str]
+ """Build one unpacked package using the "legacy" build process.
+
+ Returns path to wheel if successfully built. Otherwise, returns None.
+ """
+ wheel_args = make_setuptools_bdist_wheel_args(
+ setup_py_path,
+ global_options=global_options,
+ build_options=build_options,
+ destination_dir=tempd,
+ )
+
+ spin_message = f'Building wheel for {name} (setup.py)'
+ with open_spinner(spin_message) as spinner:
+ logger.debug('Destination directory: %s', tempd)
+
+ try:
+ output = call_subprocess(
+ wheel_args,
+ cwd=source_dir,
+ spinner=spinner,
+ )
+ except Exception:
+ spinner.finish("error")
+ logger.error('Failed building wheel for %s', name)
+ return None
+
+ names = os.listdir(tempd)
+ wheel_path = get_legacy_build_wheel_path(
+ names=names,
+ temp_dir=tempd,
+ name=name,
+ command_args=wheel_args,
+ command_output=output,
+ )
+ return wheel_path
diff --git a/Scripts/Lib/site-packages/pip/_internal/operations/check.py b/Scripts/Lib/site-packages/pip/_internal/operations/check.py
new file mode 100644
index 0000000..f3963fb
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/operations/check.py
@@ -0,0 +1,153 @@
+"""Validation of dependencies of packages
+"""
+
+import logging
+from typing import TYPE_CHECKING, Callable, Dict, List, NamedTuple, Optional, Set, Tuple
+
+from pip._vendor.packaging.requirements import Requirement
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.distributions import make_distribution_for_install_requirement
+from pip._internal.metadata import get_default_environment
+from pip._internal.metadata.base import DistributionVersion
+from pip._internal.req.req_install import InstallRequirement
+
+if TYPE_CHECKING:
+ from pip._vendor.packaging.utils import NormalizedName
+
+logger = logging.getLogger(__name__)
+
+
+class PackageDetails(NamedTuple):
+ version: DistributionVersion
+ dependencies: List[Requirement]
+
+
+# Shorthands
+PackageSet = Dict['NormalizedName', PackageDetails]
+Missing = Tuple['NormalizedName', Requirement]
+Conflicting = Tuple['NormalizedName', DistributionVersion, Requirement]
+
+MissingDict = Dict['NormalizedName', List[Missing]]
+ConflictingDict = Dict['NormalizedName', List[Conflicting]]
+CheckResult = Tuple[MissingDict, ConflictingDict]
+ConflictDetails = Tuple[PackageSet, CheckResult]
+
+
+def create_package_set_from_installed() -> Tuple[PackageSet, bool]:
+ """Converts a list of distributions into a PackageSet."""
+ package_set = {}
+ problems = False
+ env = get_default_environment()
+ for dist in env.iter_installed_distributions(local_only=False, skip=()):
+ name = dist.canonical_name
+ try:
+ dependencies = list(dist.iter_dependencies())
+ package_set[name] = PackageDetails(dist.version, dependencies)
+ except (OSError, ValueError) as e:
+ # Don't crash on unreadable or broken metadata.
+ logger.warning("Error parsing requirements for %s: %s", name, e)
+ problems = True
+ return package_set, problems
+
+
+def check_package_set(package_set, should_ignore=None):
+ # type: (PackageSet, Optional[Callable[[str], bool]]) -> CheckResult
+ """Check if a package set is consistent
+
+ If should_ignore is passed, it should be a callable that takes a
+ package name and returns a boolean.
+ """
+
+ missing = {}
+ conflicting = {}
+
+ for package_name, package_detail in package_set.items():
+ # Info about dependencies of package_name
+ missing_deps = set() # type: Set[Missing]
+ conflicting_deps = set() # type: Set[Conflicting]
+
+ if should_ignore and should_ignore(package_name):
+ continue
+
+ for req in package_detail.dependencies:
+ name = canonicalize_name(req.name)
+
+ # Check if it's missing
+ if name not in package_set:
+ missed = True
+ if req.marker is not None:
+ missed = req.marker.evaluate()
+ if missed:
+ missing_deps.add((name, req))
+ continue
+
+ # Check if there's a conflict
+ version = package_set[name].version
+ if not req.specifier.contains(version, prereleases=True):
+ conflicting_deps.add((name, version, req))
+
+ if missing_deps:
+ missing[package_name] = sorted(missing_deps, key=str)
+ if conflicting_deps:
+ conflicting[package_name] = sorted(conflicting_deps, key=str)
+
+ return missing, conflicting
+
+
+def check_install_conflicts(to_install):
+ # type: (List[InstallRequirement]) -> ConflictDetails
+ """For checking if the dependency graph would be consistent after \
+ installing given requirements
+ """
+ # Start from the current state
+ package_set, _ = create_package_set_from_installed()
+ # Install packages
+ would_be_installed = _simulate_installation_of(to_install, package_set)
+
+ # Only warn about directly-dependent packages; create a whitelist of them
+ whitelist = _create_whitelist(would_be_installed, package_set)
+
+ return (
+ package_set,
+ check_package_set(
+ package_set, should_ignore=lambda name: name not in whitelist
+ )
+ )
+
+
+def _simulate_installation_of(to_install, package_set):
+ # type: (List[InstallRequirement], PackageSet) -> Set[NormalizedName]
+ """Computes the version of packages after installing to_install.
+ """
+ # Keep track of packages that were installed
+ installed = set()
+
+ # Modify it as installing requirement_set would (assuming no errors)
+ for inst_req in to_install:
+ abstract_dist = make_distribution_for_install_requirement(inst_req)
+ dist = abstract_dist.get_pkg_resources_distribution()
+
+ assert dist is not None
+ name = canonicalize_name(dist.project_name)
+ package_set[name] = PackageDetails(dist.parsed_version, dist.requires())
+
+ installed.add(name)
+
+ return installed
+
+
+def _create_whitelist(would_be_installed, package_set):
+ # type: (Set[NormalizedName], PackageSet) -> Set[NormalizedName]
+ packages_affected = set(would_be_installed)
+
+ for package_name in package_set:
+ if package_name in packages_affected:
+ continue
+
+ for req in package_set[package_name].dependencies:
+ if canonicalize_name(req.name) in packages_affected:
+ packages_affected.add(package_name)
+ break
+
+ return packages_affected
diff --git a/Scripts/Lib/site-packages/pip/_internal/operations/freeze.py b/Scripts/Lib/site-packages/pip/_internal/operations/freeze.py
new file mode 100644
index 0000000..defb20c
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/operations/freeze.py
@@ -0,0 +1,277 @@
+import collections
+import logging
+import os
+from typing import (
+ Container,
+ Dict,
+ Iterable,
+ Iterator,
+ List,
+ NamedTuple,
+ Optional,
+ Set,
+ Union,
+)
+
+from pip._vendor.packaging.requirements import Requirement
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.packaging.version import Version
+
+from pip._internal.exceptions import BadCommand, InstallationError
+from pip._internal.metadata import BaseDistribution, get_environment
+from pip._internal.req.constructors import (
+ install_req_from_editable,
+ install_req_from_line,
+)
+from pip._internal.req.req_file import COMMENT_RE
+from pip._internal.utils.direct_url_helpers import direct_url_as_pep440_direct_reference
+
+logger = logging.getLogger(__name__)
+
+
+class _EditableInfo(NamedTuple):
+ requirement: Optional[str]
+ editable: bool
+ comments: List[str]
+
+
+def freeze(
+ requirement=None, # type: Optional[List[str]]
+ local_only=False, # type: bool
+ user_only=False, # type: bool
+ paths=None, # type: Optional[List[str]]
+ isolated=False, # type: bool
+ exclude_editable=False, # type: bool
+ skip=() # type: Container[str]
+):
+ # type: (...) -> Iterator[str]
+ installations = {} # type: Dict[str, FrozenRequirement]
+
+ dists = get_environment(paths).iter_installed_distributions(
+ local_only=local_only,
+ skip=(),
+ user_only=user_only,
+ )
+ for dist in dists:
+ req = FrozenRequirement.from_dist(dist)
+ if exclude_editable and req.editable:
+ continue
+ installations[req.canonical_name] = req
+
+ if requirement:
+ # the options that don't get turned into an InstallRequirement
+ # should only be emitted once, even if the same option is in multiple
+ # requirements files, so we need to keep track of what has been emitted
+ # so that we don't emit it again if it's seen again
+ emitted_options = set() # type: Set[str]
+ # keep track of which files a requirement is in so that we can
+ # give an accurate warning if a requirement appears multiple times.
+ req_files = collections.defaultdict(list) # type: Dict[str, List[str]]
+ for req_file_path in requirement:
+ with open(req_file_path) as req_file:
+ for line in req_file:
+ if (not line.strip() or
+ line.strip().startswith('#') or
+ line.startswith((
+ '-r', '--requirement',
+ '-f', '--find-links',
+ '-i', '--index-url',
+ '--pre',
+ '--trusted-host',
+ '--process-dependency-links',
+ '--extra-index-url',
+ '--use-feature'))):
+ line = line.rstrip()
+ if line not in emitted_options:
+ emitted_options.add(line)
+ yield line
+ continue
+
+ if line.startswith('-e') or line.startswith('--editable'):
+ if line.startswith('-e'):
+ line = line[2:].strip()
+ else:
+ line = line[len('--editable'):].strip().lstrip('=')
+ line_req = install_req_from_editable(
+ line,
+ isolated=isolated,
+ )
+ else:
+ line_req = install_req_from_line(
+ COMMENT_RE.sub('', line).strip(),
+ isolated=isolated,
+ )
+
+ if not line_req.name:
+ logger.info(
+ "Skipping line in requirement file [%s] because "
+ "it's not clear what it would install: %s",
+ req_file_path, line.strip(),
+ )
+ logger.info(
+ " (add #egg=PackageName to the URL to avoid"
+ " this warning)"
+ )
+ else:
+ line_req_canonical_name = canonicalize_name(
+ line_req.name)
+ if line_req_canonical_name not in installations:
+ # either it's not installed, or it is installed
+ # but has been processed already
+ if not req_files[line_req.name]:
+ logger.warning(
+ "Requirement file [%s] contains %s, but "
+ "package %r is not installed",
+ req_file_path,
+ COMMENT_RE.sub('', line).strip(),
+ line_req.name
+ )
+ else:
+ req_files[line_req.name].append(req_file_path)
+ else:
+ yield str(installations[
+ line_req_canonical_name]).rstrip()
+ del installations[line_req_canonical_name]
+ req_files[line_req.name].append(req_file_path)
+
+ # Warn about requirements that were included multiple times (in a
+ # single requirements file or in different requirements files).
+ for name, files in req_files.items():
+ if len(files) > 1:
+ logger.warning("Requirement %s included multiple times [%s]",
+ name, ', '.join(sorted(set(files))))
+
+ yield(
+ '## The following requirements were added by '
+ 'pip freeze:'
+ )
+ for installation in sorted(
+ installations.values(), key=lambda x: x.name.lower()):
+ if installation.canonical_name not in skip:
+ yield str(installation).rstrip()
+
+
+def _format_as_name_version(dist: BaseDistribution) -> str:
+ if isinstance(dist.version, Version):
+ return f"{dist.raw_name}=={dist.version}"
+ return f"{dist.raw_name}==={dist.version}"
+
+
+def _get_editable_info(dist: BaseDistribution) -> _EditableInfo:
+ """
+ Compute and return values (req, editable, comments) for use in
+ FrozenRequirement.from_dist().
+ """
+ if not dist.editable:
+ return _EditableInfo(requirement=None, editable=False, comments=[])
+ if dist.location is None:
+ display = _format_as_name_version(dist)
+ logger.warning("Editable requirement not found on disk: %s", display)
+ return _EditableInfo(
+ requirement=None,
+ editable=True,
+ comments=[f"# Editable install not found ({display})"],
+ )
+
+ location = os.path.normcase(os.path.abspath(dist.location))
+
+ from pip._internal.vcs import RemoteNotFoundError, RemoteNotValidError, vcs
+
+ vcs_backend = vcs.get_backend_for_dir(location)
+
+ if vcs_backend is None:
+ display = _format_as_name_version(dist)
+ logger.debug(
+ 'No VCS found for editable requirement "%s" in: %r', display,
+ location,
+ )
+ return _EditableInfo(
+ requirement=location,
+ editable=True,
+ comments=[f'# Editable install with no version control ({display})'],
+ )
+
+ vcs_name = type(vcs_backend).__name__
+
+ try:
+ req = vcs_backend.get_src_requirement(location, dist.raw_name)
+ except RemoteNotFoundError:
+ display = _format_as_name_version(dist)
+ return _EditableInfo(
+ requirement=location,
+ editable=True,
+ comments=[f'# Editable {vcs_name} install with no remote ({display})'],
+ )
+ except RemoteNotValidError as ex:
+ display = _format_as_name_version(dist)
+ return _EditableInfo(
+ requirement=location,
+ editable=True,
+ comments=[
+ f"# Editable {vcs_name} install ({display}) with either a deleted "
+ f"local remote or invalid URI:",
+ f"# '{ex.url}'",
+ ],
+ )
+
+ except BadCommand:
+ logger.warning(
+ 'cannot determine version of editable source in %s '
+ '(%s command not found in path)',
+ location,
+ vcs_backend.name,
+ )
+ return _EditableInfo(requirement=None, editable=True, comments=[])
+
+ except InstallationError as exc:
+ logger.warning(
+ "Error when trying to get requirement for VCS system %s, "
+ "falling back to uneditable format", exc
+ )
+ else:
+ return _EditableInfo(requirement=req, editable=True, comments=[])
+
+ logger.warning('Could not determine repository location of %s', location)
+
+ return _EditableInfo(
+ requirement=None,
+ editable=False,
+ comments=['## !! Could not determine repository location'],
+ )
+
+
+class FrozenRequirement:
+ def __init__(self, name, req, editable, comments=()):
+ # type: (str, Union[str, Requirement], bool, Iterable[str]) -> None
+ self.name = name
+ self.canonical_name = canonicalize_name(name)
+ self.req = req
+ self.editable = editable
+ self.comments = comments
+
+ @classmethod
+ def from_dist(cls, dist: BaseDistribution) -> "FrozenRequirement":
+ # TODO `get_requirement_info` is taking care of editable requirements.
+ # TODO This should be refactored when we will add detection of
+ # editable that provide .dist-info metadata.
+ req, editable, comments = _get_editable_info(dist)
+ if req is None and not editable:
+ # if PEP 610 metadata is present, attempt to use it
+ direct_url = dist.direct_url
+ if direct_url:
+ req = direct_url_as_pep440_direct_reference(
+ direct_url, dist.raw_name
+ )
+ comments = []
+ if req is None:
+ # name==version requirement
+ req = _format_as_name_version(dist)
+
+ return cls(dist.raw_name, req, editable, comments=comments)
+
+ def __str__(self):
+ # type: () -> str
+ req = self.req
+ if self.editable:
+ req = f'-e {req}'
+ return '\n'.join(list(self.comments) + [str(req)]) + '\n'
diff --git a/Scripts/Lib/site-packages/pip/_internal/operations/install/__init__.py b/Scripts/Lib/site-packages/pip/_internal/operations/install/__init__.py
new file mode 100644
index 0000000..24d6a5d
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/operations/install/__init__.py
@@ -0,0 +1,2 @@
+"""For modules related to installing packages.
+"""
diff --git a/Scripts/Lib/site-packages/pip/_internal/operations/install/__pycache__/__init__.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_internal/operations/install/__pycache__/__init__.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_internal/operations/install/editable_legacy.py b/Scripts/Lib/site-packages/pip/_internal/operations/install/editable_legacy.py
new file mode 100644
index 0000000..6882c47
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/operations/install/editable_legacy.py
@@ -0,0 +1,47 @@
+"""Legacy editable installation process, i.e. `setup.py develop`.
+"""
+import logging
+from typing import List, Optional, Sequence
+
+from pip._internal.build_env import BuildEnvironment
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.setuptools_build import make_setuptools_develop_args
+from pip._internal.utils.subprocess import call_subprocess
+
+logger = logging.getLogger(__name__)
+
+
+def install_editable(
+ install_options, # type: List[str]
+ global_options, # type: Sequence[str]
+ prefix, # type: Optional[str]
+ home, # type: Optional[str]
+ use_user_site, # type: bool
+ name, # type: str
+ setup_py_path, # type: str
+ isolated, # type: bool
+ build_env, # type: BuildEnvironment
+ unpacked_source_directory, # type: str
+):
+ # type: (...) -> None
+ """Install a package in editable mode. Most arguments are pass-through
+ to setuptools.
+ """
+ logger.info('Running setup.py develop for %s', name)
+
+ args = make_setuptools_develop_args(
+ setup_py_path,
+ global_options=global_options,
+ install_options=install_options,
+ no_user_config=isolated,
+ prefix=prefix,
+ home=home,
+ use_user_site=use_user_site,
+ )
+
+ with indent_log():
+ with build_env:
+ call_subprocess(
+ args,
+ cwd=unpacked_source_directory,
+ )
diff --git a/Scripts/Lib/site-packages/pip/_internal/operations/install/legacy.py b/Scripts/Lib/site-packages/pip/_internal/operations/install/legacy.py
new file mode 100644
index 0000000..4cb24fe
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/operations/install/legacy.py
@@ -0,0 +1,132 @@
+"""Legacy installation process, i.e. `setup.py install`.
+"""
+
+import logging
+import os
+import sys
+from distutils.util import change_root
+from typing import List, Optional, Sequence
+
+from pip._internal.build_env import BuildEnvironment
+from pip._internal.exceptions import InstallationError
+from pip._internal.models.scheme import Scheme
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import ensure_dir
+from pip._internal.utils.setuptools_build import make_setuptools_install_args
+from pip._internal.utils.subprocess import runner_with_spinner_message
+from pip._internal.utils.temp_dir import TempDirectory
+
+logger = logging.getLogger(__name__)
+
+
+class LegacyInstallFailure(Exception):
+ def __init__(self):
+ # type: () -> None
+ self.parent = sys.exc_info()
+
+
+def write_installed_files_from_setuptools_record(
+ record_lines: List[str],
+ root: Optional[str],
+ req_description: str,
+) -> None:
+ def prepend_root(path):
+ # type: (str) -> str
+ if root is None or not os.path.isabs(path):
+ return path
+ else:
+ return change_root(root, path)
+
+ for line in record_lines:
+ directory = os.path.dirname(line)
+ if directory.endswith('.egg-info'):
+ egg_info_dir = prepend_root(directory)
+ break
+ else:
+ message = (
+ "{} did not indicate that it installed an "
+ ".egg-info directory. Only setup.py projects "
+ "generating .egg-info directories are supported."
+ ).format(req_description)
+ raise InstallationError(message)
+
+ new_lines = []
+ for line in record_lines:
+ filename = line.strip()
+ if os.path.isdir(filename):
+ filename += os.path.sep
+ new_lines.append(
+ os.path.relpath(prepend_root(filename), egg_info_dir)
+ )
+ new_lines.sort()
+ ensure_dir(egg_info_dir)
+ inst_files_path = os.path.join(egg_info_dir, 'installed-files.txt')
+ with open(inst_files_path, 'w') as f:
+ f.write('\n'.join(new_lines) + '\n')
+
+
+def install(
+ install_options, # type: List[str]
+ global_options, # type: Sequence[str]
+ root, # type: Optional[str]
+ home, # type: Optional[str]
+ prefix, # type: Optional[str]
+ use_user_site, # type: bool
+ pycompile, # type: bool
+ scheme, # type: Scheme
+ setup_py_path, # type: str
+ isolated, # type: bool
+ req_name, # type: str
+ build_env, # type: BuildEnvironment
+ unpacked_source_directory, # type: str
+ req_description, # type: str
+):
+ # type: (...) -> bool
+
+ header_dir = scheme.headers
+
+ with TempDirectory(kind="record") as temp_dir:
+ try:
+ record_filename = os.path.join(temp_dir.path, 'install-record.txt')
+ install_args = make_setuptools_install_args(
+ setup_py_path,
+ global_options=global_options,
+ install_options=install_options,
+ record_filename=record_filename,
+ root=root,
+ prefix=prefix,
+ header_dir=header_dir,
+ home=home,
+ use_user_site=use_user_site,
+ no_user_config=isolated,
+ pycompile=pycompile,
+ )
+
+ runner = runner_with_spinner_message(
+ f"Running setup.py install for {req_name}"
+ )
+ with indent_log(), build_env:
+ runner(
+ cmd=install_args,
+ cwd=unpacked_source_directory,
+ )
+
+ if not os.path.exists(record_filename):
+ logger.debug('Record file %s not found', record_filename)
+ # Signal to the caller that we didn't install the new package
+ return False
+
+ except Exception:
+ # Signal to the caller that we didn't install the new package
+ raise LegacyInstallFailure
+
+ # At this point, we have successfully installed the requirement.
+
+ # We intentionally do not use any encoding to read the file because
+ # setuptools writes the file using distutils.file_util.write_file,
+ # which does not specify an encoding.
+ with open(record_filename) as f:
+ record_lines = f.read().splitlines()
+
+ write_installed_files_from_setuptools_record(record_lines, root, req_description)
+ return True
diff --git a/Scripts/Lib/site-packages/pip/_internal/operations/install/wheel.py b/Scripts/Lib/site-packages/pip/_internal/operations/install/wheel.py
new file mode 100644
index 0000000..b5eafda
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/operations/install/wheel.py
@@ -0,0 +1,803 @@
+"""Support for installing and building the "wheel" binary package format.
+"""
+
+import collections
+import compileall
+import contextlib
+import csv
+import importlib
+import logging
+import os.path
+import re
+import shutil
+import sys
+import warnings
+from base64 import urlsafe_b64encode
+from email.message import Message
+from itertools import chain, filterfalse, starmap
+from typing import (
+ IO,
+ TYPE_CHECKING,
+ Any,
+ BinaryIO,
+ Callable,
+ Dict,
+ Iterable,
+ Iterator,
+ List,
+ NewType,
+ Optional,
+ Sequence,
+ Set,
+ Tuple,
+ Union,
+ cast,
+)
+from zipfile import ZipFile, ZipInfo
+
+from pip._vendor.distlib.scripts import ScriptMaker
+from pip._vendor.distlib.util import get_export_entry
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.six import ensure_str, ensure_text, reraise
+
+from pip._internal.exceptions import InstallationError
+from pip._internal.locations import get_major_minor_version
+from pip._internal.metadata import BaseDistribution, get_wheel_distribution
+from pip._internal.models.direct_url import DIRECT_URL_METADATA_NAME, DirectUrl
+from pip._internal.models.scheme import SCHEME_KEYS, Scheme
+from pip._internal.utils.filesystem import adjacent_tmp_file, replace
+from pip._internal.utils.misc import captured_stdout, ensure_dir, hash_file, partition
+from pip._internal.utils.unpacking import (
+ current_umask,
+ is_within_directory,
+ set_extracted_file_to_default_mode_plus_executable,
+ zip_item_is_executable,
+)
+from pip._internal.utils.wheel import parse_wheel
+
+if TYPE_CHECKING:
+ from typing import Protocol
+
+ class File(Protocol):
+ src_record_path = None # type: RecordPath
+ dest_path = None # type: str
+ changed = None # type: bool
+
+ def save(self):
+ # type: () -> None
+ pass
+
+
+logger = logging.getLogger(__name__)
+
+RecordPath = NewType('RecordPath', str)
+InstalledCSVRow = Tuple[RecordPath, str, Union[int, str]]
+
+
+def rehash(path, blocksize=1 << 20):
+ # type: (str, int) -> Tuple[str, str]
+ """Return (encoded_digest, length) for path using hashlib.sha256()"""
+ h, length = hash_file(path, blocksize)
+ digest = 'sha256=' + urlsafe_b64encode(
+ h.digest()
+ ).decode('latin1').rstrip('=')
+ return (digest, str(length))
+
+
+def csv_io_kwargs(mode):
+ # type: (str) -> Dict[str, Any]
+ """Return keyword arguments to properly open a CSV file
+ in the given mode.
+ """
+ return {'mode': mode, 'newline': '', 'encoding': 'utf-8'}
+
+
+def fix_script(path):
+ # type: (str) -> bool
+ """Replace #!python with #!/path/to/python
+ Return True if file was changed.
+ """
+ # XXX RECORD hashes will need to be updated
+ assert os.path.isfile(path)
+
+ with open(path, 'rb') as script:
+ firstline = script.readline()
+ if not firstline.startswith(b'#!python'):
+ return False
+ exename = sys.executable.encode(sys.getfilesystemencoding())
+ firstline = b'#!' + exename + os.linesep.encode("ascii")
+ rest = script.read()
+ with open(path, 'wb') as script:
+ script.write(firstline)
+ script.write(rest)
+ return True
+
+
+def wheel_root_is_purelib(metadata):
+ # type: (Message) -> bool
+ return metadata.get("Root-Is-Purelib", "").lower() == "true"
+
+
+def get_entrypoints(dist: BaseDistribution) -> Tuple[Dict[str, str], Dict[str, str]]:
+ console_scripts = {}
+ gui_scripts = {}
+ for entry_point in dist.iter_entry_points():
+ if entry_point.group == "console_scripts":
+ console_scripts[entry_point.name] = entry_point.value
+ elif entry_point.group == "gui_scripts":
+ gui_scripts[entry_point.name] = entry_point.value
+ return console_scripts, gui_scripts
+
+
+def message_about_scripts_not_on_PATH(scripts):
+ # type: (Sequence[str]) -> Optional[str]
+ """Determine if any scripts are not on PATH and format a warning.
+ Returns a warning message if one or more scripts are not on PATH,
+ otherwise None.
+ """
+ if not scripts:
+ return None
+
+ # Group scripts by the path they were installed in
+ grouped_by_dir = collections.defaultdict(set) # type: Dict[str, Set[str]]
+ for destfile in scripts:
+ parent_dir = os.path.dirname(destfile)
+ script_name = os.path.basename(destfile)
+ grouped_by_dir[parent_dir].add(script_name)
+
+ # We don't want to warn for directories that are on PATH.
+ not_warn_dirs = [
+ os.path.normcase(i).rstrip(os.sep) for i in
+ os.environ.get("PATH", "").split(os.pathsep)
+ ]
+ # If an executable sits with sys.executable, we don't warn for it.
+ # This covers the case of venv invocations without activating the venv.
+ not_warn_dirs.append(os.path.normcase(os.path.dirname(sys.executable)))
+ warn_for = {
+ parent_dir: scripts for parent_dir, scripts in grouped_by_dir.items()
+ if os.path.normcase(parent_dir) not in not_warn_dirs
+ } # type: Dict[str, Set[str]]
+ if not warn_for:
+ return None
+
+ # Format a message
+ msg_lines = []
+ for parent_dir, dir_scripts in warn_for.items():
+ sorted_scripts = sorted(dir_scripts) # type: List[str]
+ if len(sorted_scripts) == 1:
+ start_text = "script {} is".format(sorted_scripts[0])
+ else:
+ start_text = "scripts {} are".format(
+ ", ".join(sorted_scripts[:-1]) + " and " + sorted_scripts[-1]
+ )
+
+ msg_lines.append(
+ "The {} installed in '{}' which is not on PATH."
+ .format(start_text, parent_dir)
+ )
+
+ last_line_fmt = (
+ "Consider adding {} to PATH or, if you prefer "
+ "to suppress this warning, use --no-warn-script-location."
+ )
+ if len(msg_lines) == 1:
+ msg_lines.append(last_line_fmt.format("this directory"))
+ else:
+ msg_lines.append(last_line_fmt.format("these directories"))
+
+ # Add a note if any directory starts with ~
+ warn_for_tilde = any(
+ i[0] == "~" for i in os.environ.get("PATH", "").split(os.pathsep) if i
+ )
+ if warn_for_tilde:
+ tilde_warning_msg = (
+ "NOTE: The current PATH contains path(s) starting with `~`, "
+ "which may not be expanded by all applications."
+ )
+ msg_lines.append(tilde_warning_msg)
+
+ # Returns the formatted multiline message
+ return "\n".join(msg_lines)
+
+
+def _normalized_outrows(outrows):
+ # type: (Iterable[InstalledCSVRow]) -> List[Tuple[str, str, str]]
+ """Normalize the given rows of a RECORD file.
+
+ Items in each row are converted into str. Rows are then sorted to make
+ the value more predictable for tests.
+
+ Each row is a 3-tuple (path, hash, size) and corresponds to a record of
+ a RECORD file (see PEP 376 and PEP 427 for details). For the rows
+ passed to this function, the size can be an integer as an int or string,
+ or the empty string.
+ """
+ # Normally, there should only be one row per path, in which case the
+ # second and third elements don't come into play when sorting.
+ # However, in cases in the wild where a path might happen to occur twice,
+ # we don't want the sort operation to trigger an error (but still want
+ # determinism). Since the third element can be an int or string, we
+ # coerce each element to a string to avoid a TypeError in this case.
+ # For additional background, see--
+ # https://github.com/pypa/pip/issues/5868
+ return sorted(
+ (ensure_str(record_path, encoding='utf-8'), hash_, str(size))
+ for record_path, hash_, size in outrows
+ )
+
+
+def _record_to_fs_path(record_path):
+ # type: (RecordPath) -> str
+ return record_path
+
+
+def _fs_to_record_path(path, relative_to=None):
+ # type: (str, Optional[str]) -> RecordPath
+ if relative_to is not None:
+ # On Windows, do not handle relative paths if they belong to different
+ # logical disks
+ if os.path.splitdrive(path)[0].lower() == \
+ os.path.splitdrive(relative_to)[0].lower():
+ path = os.path.relpath(path, relative_to)
+ path = path.replace(os.path.sep, '/')
+ return cast('RecordPath', path)
+
+
+def _parse_record_path(record_column):
+ # type: (str) -> RecordPath
+ p = ensure_text(record_column, encoding='utf-8')
+ return cast('RecordPath', p)
+
+
+def get_csv_rows_for_installed(
+ old_csv_rows, # type: List[List[str]]
+ installed, # type: Dict[RecordPath, RecordPath]
+ changed, # type: Set[RecordPath]
+ generated, # type: List[str]
+ lib_dir, # type: str
+):
+ # type: (...) -> List[InstalledCSVRow]
+ """
+ :param installed: A map from archive RECORD path to installation RECORD
+ path.
+ """
+ installed_rows = [] # type: List[InstalledCSVRow]
+ for row in old_csv_rows:
+ if len(row) > 3:
+ logger.warning('RECORD line has more than three elements: %s', row)
+ old_record_path = _parse_record_path(row[0])
+ new_record_path = installed.pop(old_record_path, old_record_path)
+ if new_record_path in changed:
+ digest, length = rehash(_record_to_fs_path(new_record_path))
+ else:
+ digest = row[1] if len(row) > 1 else ''
+ length = row[2] if len(row) > 2 else ''
+ installed_rows.append((new_record_path, digest, length))
+ for f in generated:
+ path = _fs_to_record_path(f, lib_dir)
+ digest, length = rehash(f)
+ installed_rows.append((path, digest, length))
+ for installed_record_path in installed.values():
+ installed_rows.append((installed_record_path, '', ''))
+ return installed_rows
+
+
+def get_console_script_specs(console):
+ # type: (Dict[str, str]) -> List[str]
+ """
+ Given the mapping from entrypoint name to callable, return the relevant
+ console script specs.
+ """
+ # Don't mutate caller's version
+ console = console.copy()
+
+ scripts_to_generate = []
+
+ # Special case pip and setuptools to generate versioned wrappers
+ #
+ # The issue is that some projects (specifically, pip and setuptools) use
+ # code in setup.py to create "versioned" entry points - pip2.7 on Python
+ # 2.7, pip3.3 on Python 3.3, etc. But these entry points are baked into
+ # the wheel metadata at build time, and so if the wheel is installed with
+ # a *different* version of Python the entry points will be wrong. The
+ # correct fix for this is to enhance the metadata to be able to describe
+ # such versioned entry points, but that won't happen till Metadata 2.0 is
+ # available.
+ # In the meantime, projects using versioned entry points will either have
+ # incorrect versioned entry points, or they will not be able to distribute
+ # "universal" wheels (i.e., they will need a wheel per Python version).
+ #
+ # Because setuptools and pip are bundled with _ensurepip and virtualenv,
+ # we need to use universal wheels. So, as a stopgap until Metadata 2.0, we
+ # override the versioned entry points in the wheel and generate the
+ # correct ones. This code is purely a short-term measure until Metadata 2.0
+ # is available.
+ #
+ # To add the level of hack in this section of code, in order to support
+ # ensurepip this code will look for an ``ENSUREPIP_OPTIONS`` environment
+ # variable which will control which version scripts get installed.
+ #
+ # ENSUREPIP_OPTIONS=altinstall
+ # - Only pipX.Y and easy_install-X.Y will be generated and installed
+ # ENSUREPIP_OPTIONS=install
+ # - pipX.Y, pipX, easy_install-X.Y will be generated and installed. Note
+ # that this option is technically if ENSUREPIP_OPTIONS is set and is
+ # not altinstall
+ # DEFAULT
+ # - The default behavior is to install pip, pipX, pipX.Y, easy_install
+ # and easy_install-X.Y.
+ pip_script = console.pop('pip', None)
+ if pip_script:
+ if "ENSUREPIP_OPTIONS" not in os.environ:
+ scripts_to_generate.append('pip = ' + pip_script)
+
+ if os.environ.get("ENSUREPIP_OPTIONS", "") != "altinstall":
+ scripts_to_generate.append(
+ 'pip{} = {}'.format(sys.version_info[0], pip_script)
+ )
+
+ scripts_to_generate.append(
+ f'pip{get_major_minor_version()} = {pip_script}'
+ )
+ # Delete any other versioned pip entry points
+ pip_ep = [k for k in console if re.match(r'pip(\d(\.\d)?)?$', k)]
+ for k in pip_ep:
+ del console[k]
+ easy_install_script = console.pop('easy_install', None)
+ if easy_install_script:
+ if "ENSUREPIP_OPTIONS" not in os.environ:
+ scripts_to_generate.append(
+ 'easy_install = ' + easy_install_script
+ )
+
+ scripts_to_generate.append(
+ 'easy_install-{} = {}'.format(
+ get_major_minor_version(), easy_install_script
+ )
+ )
+ # Delete any other versioned easy_install entry points
+ easy_install_ep = [
+ k for k in console if re.match(r'easy_install(-\d\.\d)?$', k)
+ ]
+ for k in easy_install_ep:
+ del console[k]
+
+ # Generate the console entry points specified in the wheel
+ scripts_to_generate.extend(starmap('{} = {}'.format, console.items()))
+
+ return scripts_to_generate
+
+
+class ZipBackedFile:
+ def __init__(self, src_record_path, dest_path, zip_file):
+ # type: (RecordPath, str, ZipFile) -> None
+ self.src_record_path = src_record_path
+ self.dest_path = dest_path
+ self._zip_file = zip_file
+ self.changed = False
+
+ def _getinfo(self):
+ # type: () -> ZipInfo
+ return self._zip_file.getinfo(self.src_record_path)
+
+ def save(self):
+ # type: () -> None
+ # directory creation is lazy and after file filtering
+ # to ensure we don't install empty dirs; empty dirs can't be
+ # uninstalled.
+ parent_dir = os.path.dirname(self.dest_path)
+ ensure_dir(parent_dir)
+
+ # When we open the output file below, any existing file is truncated
+ # before we start writing the new contents. This is fine in most
+ # cases, but can cause a segfault if pip has loaded a shared
+ # object (e.g. from pyopenssl through its vendored urllib3)
+ # Since the shared object is mmap'd an attempt to call a
+ # symbol in it will then cause a segfault. Unlinking the file
+ # allows writing of new contents while allowing the process to
+ # continue to use the old copy.
+ if os.path.exists(self.dest_path):
+ os.unlink(self.dest_path)
+
+ zipinfo = self._getinfo()
+
+ with self._zip_file.open(zipinfo) as f:
+ with open(self.dest_path, "wb") as dest:
+ shutil.copyfileobj(f, dest)
+
+ if zip_item_is_executable(zipinfo):
+ set_extracted_file_to_default_mode_plus_executable(self.dest_path)
+
+
+class ScriptFile:
+ def __init__(self, file):
+ # type: (File) -> None
+ self._file = file
+ self.src_record_path = self._file.src_record_path
+ self.dest_path = self._file.dest_path
+ self.changed = False
+
+ def save(self):
+ # type: () -> None
+ self._file.save()
+ self.changed = fix_script(self.dest_path)
+
+
+class MissingCallableSuffix(InstallationError):
+ def __init__(self, entry_point):
+ # type: (str) -> None
+ super().__init__(
+ "Invalid script entry point: {} - A callable "
+ "suffix is required. Cf https://packaging.python.org/"
+ "specifications/entry-points/#use-for-scripts for more "
+ "information.".format(entry_point)
+ )
+
+
+def _raise_for_invalid_entrypoint(specification):
+ # type: (str) -> None
+ entry = get_export_entry(specification)
+ if entry is not None and entry.suffix is None:
+ raise MissingCallableSuffix(str(entry))
+
+
+class PipScriptMaker(ScriptMaker):
+ def make(self, specification, options=None):
+ # type: (str, Dict[str, Any]) -> List[str]
+ _raise_for_invalid_entrypoint(specification)
+ return super().make(specification, options)
+
+
+def _install_wheel(
+ name, # type: str
+ wheel_zip, # type: ZipFile
+ wheel_path, # type: str
+ scheme, # type: Scheme
+ pycompile=True, # type: bool
+ warn_script_location=True, # type: bool
+ direct_url=None, # type: Optional[DirectUrl]
+ requested=False, # type: bool
+):
+ # type: (...) -> None
+ """Install a wheel.
+
+ :param name: Name of the project to install
+ :param wheel_zip: open ZipFile for wheel being installed
+ :param scheme: Distutils scheme dictating the install directories
+ :param req_description: String used in place of the requirement, for
+ logging
+ :param pycompile: Whether to byte-compile installed Python files
+ :param warn_script_location: Whether to check that scripts are installed
+ into a directory on PATH
+ :raises UnsupportedWheel:
+ * when the directory holds an unpacked wheel with incompatible
+ Wheel-Version
+ * when the .dist-info dir does not match the wheel
+ """
+ info_dir, metadata = parse_wheel(wheel_zip, name)
+
+ if wheel_root_is_purelib(metadata):
+ lib_dir = scheme.purelib
+ else:
+ lib_dir = scheme.platlib
+
+ # Record details of the files moved
+ # installed = files copied from the wheel to the destination
+ # changed = files changed while installing (scripts #! line typically)
+ # generated = files newly generated during the install (script wrappers)
+ installed = {} # type: Dict[RecordPath, RecordPath]
+ changed = set() # type: Set[RecordPath]
+ generated = [] # type: List[str]
+
+ def record_installed(srcfile, destfile, modified=False):
+ # type: (RecordPath, str, bool) -> None
+ """Map archive RECORD paths to installation RECORD paths."""
+ newpath = _fs_to_record_path(destfile, lib_dir)
+ installed[srcfile] = newpath
+ if modified:
+ changed.add(_fs_to_record_path(destfile))
+
+ def all_paths():
+ # type: () -> Iterable[RecordPath]
+ names = wheel_zip.namelist()
+ # If a flag is set, names may be unicode in Python 2. We convert to
+ # text explicitly so these are valid for lookup in RECORD.
+ decoded_names = map(ensure_text, names)
+ for name in decoded_names:
+ yield cast("RecordPath", name)
+
+ def is_dir_path(path):
+ # type: (RecordPath) -> bool
+ return path.endswith("/")
+
+ def assert_no_path_traversal(dest_dir_path, target_path):
+ # type: (str, str) -> None
+ if not is_within_directory(dest_dir_path, target_path):
+ message = (
+ "The wheel {!r} has a file {!r} trying to install"
+ " outside the target directory {!r}"
+ )
+ raise InstallationError(
+ message.format(wheel_path, target_path, dest_dir_path)
+ )
+
+ def root_scheme_file_maker(zip_file, dest):
+ # type: (ZipFile, str) -> Callable[[RecordPath], File]
+ def make_root_scheme_file(record_path):
+ # type: (RecordPath) -> File
+ normed_path = os.path.normpath(record_path)
+ dest_path = os.path.join(dest, normed_path)
+ assert_no_path_traversal(dest, dest_path)
+ return ZipBackedFile(record_path, dest_path, zip_file)
+
+ return make_root_scheme_file
+
+ def data_scheme_file_maker(zip_file, scheme):
+ # type: (ZipFile, Scheme) -> Callable[[RecordPath], File]
+ scheme_paths = {}
+ for key in SCHEME_KEYS:
+ encoded_key = ensure_text(key)
+ scheme_paths[encoded_key] = ensure_text(
+ getattr(scheme, key), encoding=sys.getfilesystemencoding()
+ )
+
+ def make_data_scheme_file(record_path):
+ # type: (RecordPath) -> File
+ normed_path = os.path.normpath(record_path)
+ try:
+ _, scheme_key, dest_subpath = normed_path.split(os.path.sep, 2)
+ except ValueError:
+ message = (
+ "Unexpected file in {}: {!r}. .data directory contents"
+ " should be named like: '/'."
+ ).format(wheel_path, record_path)
+ raise InstallationError(message)
+
+ try:
+ scheme_path = scheme_paths[scheme_key]
+ except KeyError:
+ valid_scheme_keys = ", ".join(sorted(scheme_paths))
+ message = (
+ "Unknown scheme key used in {}: {} (for file {!r}). .data"
+ " directory contents should be in subdirectories named"
+ " with a valid scheme key ({})"
+ ).format(
+ wheel_path, scheme_key, record_path, valid_scheme_keys
+ )
+ raise InstallationError(message)
+
+ dest_path = os.path.join(scheme_path, dest_subpath)
+ assert_no_path_traversal(scheme_path, dest_path)
+ return ZipBackedFile(record_path, dest_path, zip_file)
+
+ return make_data_scheme_file
+
+ def is_data_scheme_path(path):
+ # type: (RecordPath) -> bool
+ return path.split("/", 1)[0].endswith(".data")
+
+ paths = all_paths()
+ file_paths = filterfalse(is_dir_path, paths)
+ root_scheme_paths, data_scheme_paths = partition(
+ is_data_scheme_path, file_paths
+ )
+
+ make_root_scheme_file = root_scheme_file_maker(
+ wheel_zip,
+ ensure_text(lib_dir, encoding=sys.getfilesystemencoding()),
+ )
+ files = map(make_root_scheme_file, root_scheme_paths)
+
+ def is_script_scheme_path(path):
+ # type: (RecordPath) -> bool
+ parts = path.split("/", 2)
+ return (
+ len(parts) > 2 and
+ parts[0].endswith(".data") and
+ parts[1] == "scripts"
+ )
+
+ other_scheme_paths, script_scheme_paths = partition(
+ is_script_scheme_path, data_scheme_paths
+ )
+
+ make_data_scheme_file = data_scheme_file_maker(wheel_zip, scheme)
+ other_scheme_files = map(make_data_scheme_file, other_scheme_paths)
+ files = chain(files, other_scheme_files)
+
+ # Get the defined entry points
+ distribution = get_wheel_distribution(wheel_path, canonicalize_name(name))
+ console, gui = get_entrypoints(distribution)
+
+ def is_entrypoint_wrapper(file):
+ # type: (File) -> bool
+ # EP, EP.exe and EP-script.py are scripts generated for
+ # entry point EP by setuptools
+ path = file.dest_path
+ name = os.path.basename(path)
+ if name.lower().endswith('.exe'):
+ matchname = name[:-4]
+ elif name.lower().endswith('-script.py'):
+ matchname = name[:-10]
+ elif name.lower().endswith(".pya"):
+ matchname = name[:-4]
+ else:
+ matchname = name
+ # Ignore setuptools-generated scripts
+ return (matchname in console or matchname in gui)
+
+ script_scheme_files = map(make_data_scheme_file, script_scheme_paths)
+ script_scheme_files = filterfalse(
+ is_entrypoint_wrapper, script_scheme_files
+ )
+ script_scheme_files = map(ScriptFile, script_scheme_files)
+ files = chain(files, script_scheme_files)
+
+ for file in files:
+ file.save()
+ record_installed(file.src_record_path, file.dest_path, file.changed)
+
+ def pyc_source_file_paths():
+ # type: () -> Iterator[str]
+ # We de-duplicate installation paths, since there can be overlap (e.g.
+ # file in .data maps to same location as file in wheel root).
+ # Sorting installation paths makes it easier to reproduce and debug
+ # issues related to permissions on existing files.
+ for installed_path in sorted(set(installed.values())):
+ full_installed_path = os.path.join(lib_dir, installed_path)
+ if not os.path.isfile(full_installed_path):
+ continue
+ if not full_installed_path.endswith('.py'):
+ continue
+ yield full_installed_path
+
+ def pyc_output_path(path):
+ # type: (str) -> str
+ """Return the path the pyc file would have been written to.
+ """
+ return importlib.util.cache_from_source(path)
+
+ # Compile all of the pyc files for the installed files
+ if pycompile:
+ with captured_stdout() as stdout:
+ with warnings.catch_warnings():
+ warnings.filterwarnings('ignore')
+ for path in pyc_source_file_paths():
+ # Python 2's `compileall.compile_file` requires a str in
+ # error cases, so we must convert to the native type.
+ path_arg = ensure_str(
+ path, encoding=sys.getfilesystemencoding()
+ )
+ success = compileall.compile_file(
+ path_arg, force=True, quiet=True
+ )
+ if success:
+ pyc_path = pyc_output_path(path)
+ assert os.path.exists(pyc_path)
+ pyc_record_path = cast(
+ "RecordPath", pyc_path.replace(os.path.sep, "/")
+ )
+ record_installed(pyc_record_path, pyc_path)
+ logger.debug(stdout.getvalue())
+
+ maker = PipScriptMaker(None, scheme.scripts)
+
+ # Ensure old scripts are overwritten.
+ # See https://github.com/pypa/pip/issues/1800
+ maker.clobber = True
+
+ # Ensure we don't generate any variants for scripts because this is almost
+ # never what somebody wants.
+ # See https://bitbucket.org/pypa/distlib/issue/35/
+ maker.variants = {''}
+
+ # This is required because otherwise distlib creates scripts that are not
+ # executable.
+ # See https://bitbucket.org/pypa/distlib/issue/32/
+ maker.set_mode = True
+
+ # Generate the console and GUI entry points specified in the wheel
+ scripts_to_generate = get_console_script_specs(console)
+
+ gui_scripts_to_generate = list(starmap('{} = {}'.format, gui.items()))
+
+ generated_console_scripts = maker.make_multiple(scripts_to_generate)
+ generated.extend(generated_console_scripts)
+
+ generated.extend(
+ maker.make_multiple(gui_scripts_to_generate, {'gui': True})
+ )
+
+ if warn_script_location:
+ msg = message_about_scripts_not_on_PATH(generated_console_scripts)
+ if msg is not None:
+ logger.warning(msg)
+
+ generated_file_mode = 0o666 & ~current_umask()
+
+ @contextlib.contextmanager
+ def _generate_file(path, **kwargs):
+ # type: (str, **Any) -> Iterator[BinaryIO]
+ with adjacent_tmp_file(path, **kwargs) as f:
+ yield f
+ os.chmod(f.name, generated_file_mode)
+ replace(f.name, path)
+
+ dest_info_dir = os.path.join(lib_dir, info_dir)
+
+ # Record pip as the installer
+ installer_path = os.path.join(dest_info_dir, 'INSTALLER')
+ with _generate_file(installer_path) as installer_file:
+ installer_file.write(b'pip\n')
+ generated.append(installer_path)
+
+ # Record the PEP 610 direct URL reference
+ if direct_url is not None:
+ direct_url_path = os.path.join(dest_info_dir, DIRECT_URL_METADATA_NAME)
+ with _generate_file(direct_url_path) as direct_url_file:
+ direct_url_file.write(direct_url.to_json().encode("utf-8"))
+ generated.append(direct_url_path)
+
+ # Record the REQUESTED file
+ if requested:
+ requested_path = os.path.join(dest_info_dir, 'REQUESTED')
+ with open(requested_path, "wb"):
+ pass
+ generated.append(requested_path)
+
+ record_text = distribution.read_text('RECORD')
+ record_rows = list(csv.reader(record_text.splitlines()))
+
+ rows = get_csv_rows_for_installed(
+ record_rows,
+ installed=installed,
+ changed=changed,
+ generated=generated,
+ lib_dir=lib_dir)
+
+ # Record details of all files installed
+ record_path = os.path.join(dest_info_dir, 'RECORD')
+
+ with _generate_file(record_path, **csv_io_kwargs('w')) as record_file:
+ # The type mypy infers for record_file is different for Python 3
+ # (typing.IO[Any]) and Python 2 (typing.BinaryIO). We explicitly
+ # cast to typing.IO[str] as a workaround.
+ writer = csv.writer(cast('IO[str]', record_file))
+ writer.writerows(_normalized_outrows(rows))
+
+
+@contextlib.contextmanager
+def req_error_context(req_description):
+ # type: (str) -> Iterator[None]
+ try:
+ yield
+ except InstallationError as e:
+ message = "For req: {}. {}".format(req_description, e.args[0])
+ reraise(
+ InstallationError, InstallationError(message), sys.exc_info()[2]
+ )
+
+
+def install_wheel(
+ name, # type: str
+ wheel_path, # type: str
+ scheme, # type: Scheme
+ req_description, # type: str
+ pycompile=True, # type: bool
+ warn_script_location=True, # type: bool
+ direct_url=None, # type: Optional[DirectUrl]
+ requested=False, # type: bool
+):
+ # type: (...) -> None
+ with ZipFile(wheel_path, allowZip64=True) as z:
+ with req_error_context(req_description):
+ _install_wheel(
+ name=name,
+ wheel_zip=z,
+ wheel_path=wheel_path,
+ scheme=scheme,
+ pycompile=pycompile,
+ warn_script_location=warn_script_location,
+ direct_url=direct_url,
+ requested=requested,
+ )
diff --git a/Scripts/Lib/site-packages/pip/_internal/operations/prepare.py b/Scripts/Lib/site-packages/pip/_internal/operations/prepare.py
new file mode 100644
index 0000000..247e63f
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/operations/prepare.py
@@ -0,0 +1,655 @@
+"""Prepares a distribution for installation
+"""
+
+# The following comment should be removed at some point in the future.
+# mypy: strict-optional=False
+
+import logging
+import mimetypes
+import os
+import shutil
+from typing import Dict, Iterable, List, Optional, Tuple
+
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.pkg_resources import Distribution
+
+from pip._internal.distributions import make_distribution_for_install_requirement
+from pip._internal.distributions.installed import InstalledDistribution
+from pip._internal.exceptions import (
+ DirectoryUrlHashUnsupported,
+ HashMismatch,
+ HashUnpinned,
+ InstallationError,
+ NetworkConnectionError,
+ PreviousBuildDirError,
+ VcsHashUnsupported,
+)
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.models.link import Link
+from pip._internal.models.wheel import Wheel
+from pip._internal.network.download import BatchDownloader, Downloader
+from pip._internal.network.lazy_wheel import (
+ HTTPRangeRequestUnsupported,
+ dist_from_wheel_url,
+)
+from pip._internal.network.session import PipSession
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.req.req_tracker import RequirementTracker
+from pip._internal.utils.deprecation import deprecated
+from pip._internal.utils.filesystem import copy2_fixed
+from pip._internal.utils.hashes import Hashes, MissingHashes
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import display_path, hide_url, is_installable_dir, rmtree
+from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.utils.unpacking import unpack_file
+from pip._internal.vcs import vcs
+
+logger = logging.getLogger(__name__)
+
+
+def _get_prepared_distribution(
+ req, # type: InstallRequirement
+ req_tracker, # type: RequirementTracker
+ finder, # type: PackageFinder
+ build_isolation, # type: bool
+):
+ # type: (...) -> Distribution
+ """Prepare a distribution for installation."""
+ abstract_dist = make_distribution_for_install_requirement(req)
+ with req_tracker.track(req):
+ abstract_dist.prepare_distribution_metadata(finder, build_isolation)
+ return abstract_dist.get_pkg_resources_distribution()
+
+
+def unpack_vcs_link(link, location):
+ # type: (Link, str) -> None
+ vcs_backend = vcs.get_backend_for_scheme(link.scheme)
+ assert vcs_backend is not None
+ vcs_backend.unpack(location, url=hide_url(link.url))
+
+
+class File:
+
+ def __init__(self, path, content_type):
+ # type: (str, Optional[str]) -> None
+ self.path = path
+ if content_type is None:
+ self.content_type = mimetypes.guess_type(path)[0]
+ else:
+ self.content_type = content_type
+
+
+def get_http_url(
+ link, # type: Link
+ download, # type: Downloader
+ download_dir=None, # type: Optional[str]
+ hashes=None, # type: Optional[Hashes]
+):
+ # type: (...) -> File
+ temp_dir = TempDirectory(kind="unpack", globally_managed=True)
+ # If a download dir is specified, is the file already downloaded there?
+ already_downloaded_path = None
+ if download_dir:
+ already_downloaded_path = _check_download_dir(
+ link, download_dir, hashes
+ )
+
+ if already_downloaded_path:
+ from_path = already_downloaded_path
+ content_type = None
+ else:
+ # let's download to a tmp dir
+ from_path, content_type = download(link, temp_dir.path)
+ if hashes:
+ hashes.check_against_path(from_path)
+
+ return File(from_path, content_type)
+
+
+def _copy2_ignoring_special_files(src, dest):
+ # type: (str, str) -> None
+ """Copying special files is not supported, but as a convenience to users
+ we skip errors copying them. This supports tools that may create e.g.
+ socket files in the project source directory.
+ """
+ try:
+ copy2_fixed(src, dest)
+ except shutil.SpecialFileError as e:
+ # SpecialFileError may be raised due to either the source or
+ # destination. If the destination was the cause then we would actually
+ # care, but since the destination directory is deleted prior to
+ # copy we ignore all of them assuming it is caused by the source.
+ logger.warning(
+ "Ignoring special file error '%s' encountered copying %s to %s.",
+ str(e),
+ src,
+ dest,
+ )
+
+
+def _copy_source_tree(source, target):
+ # type: (str, str) -> None
+ target_abspath = os.path.abspath(target)
+ target_basename = os.path.basename(target_abspath)
+ target_dirname = os.path.dirname(target_abspath)
+
+ def ignore(d, names):
+ # type: (str, List[str]) -> List[str]
+ skipped = [] # type: List[str]
+ if d == source:
+ # Pulling in those directories can potentially be very slow,
+ # exclude the following directories if they appear in the top
+ # level dir (and only it).
+ # See discussion at https://github.com/pypa/pip/pull/6770
+ skipped += ['.tox', '.nox']
+ if os.path.abspath(d) == target_dirname:
+ # Prevent an infinite recursion if the target is in source.
+ # This can happen when TMPDIR is set to ${PWD}/...
+ # and we copy PWD to TMPDIR.
+ skipped += [target_basename]
+ return skipped
+
+ shutil.copytree(
+ source,
+ target,
+ ignore=ignore,
+ symlinks=True,
+ copy_function=_copy2_ignoring_special_files,
+ )
+
+
+def get_file_url(
+ link, # type: Link
+ download_dir=None, # type: Optional[str]
+ hashes=None # type: Optional[Hashes]
+):
+ # type: (...) -> File
+ """Get file and optionally check its hash.
+ """
+ # If a download dir is specified, is the file already there and valid?
+ already_downloaded_path = None
+ if download_dir:
+ already_downloaded_path = _check_download_dir(
+ link, download_dir, hashes
+ )
+
+ if already_downloaded_path:
+ from_path = already_downloaded_path
+ else:
+ from_path = link.file_path
+
+ # If --require-hashes is off, `hashes` is either empty, the
+ # link's embedded hash, or MissingHashes; it is required to
+ # match. If --require-hashes is on, we are satisfied by any
+ # hash in `hashes` matching: a URL-based or an option-based
+ # one; no internet-sourced hash will be in `hashes`.
+ if hashes:
+ hashes.check_against_path(from_path)
+ return File(from_path, None)
+
+
+def unpack_url(
+ link, # type: Link
+ location, # type: str
+ download, # type: Downloader
+ download_dir=None, # type: Optional[str]
+ hashes=None, # type: Optional[Hashes]
+):
+ # type: (...) -> Optional[File]
+ """Unpack link into location, downloading if required.
+
+ :param hashes: A Hashes object, one of whose embedded hashes must match,
+ or HashMismatch will be raised. If the Hashes is empty, no matches are
+ required, and unhashable types of requirements (like VCS ones, which
+ would ordinarily raise HashUnsupported) are allowed.
+ """
+ # non-editable vcs urls
+ if link.is_vcs:
+ unpack_vcs_link(link, location)
+ return None
+
+ # Once out-of-tree-builds are no longer supported, could potentially
+ # replace the below condition with `assert not link.is_existing_dir`
+ # - unpack_url does not need to be called for in-tree-builds.
+ #
+ # As further cleanup, _copy_source_tree and accompanying tests can
+ # be removed.
+ if link.is_existing_dir():
+ deprecated(
+ "A future pip version will change local packages to be built "
+ "in-place without first copying to a temporary directory. "
+ "We recommend you use --use-feature=in-tree-build to test "
+ "your packages with this new behavior before it becomes the "
+ "default.\n",
+ replacement=None,
+ gone_in="21.3",
+ issue=7555
+ )
+ if os.path.isdir(location):
+ rmtree(location)
+ _copy_source_tree(link.file_path, location)
+ return None
+
+ # file urls
+ if link.is_file:
+ file = get_file_url(link, download_dir, hashes=hashes)
+
+ # http urls
+ else:
+ file = get_http_url(
+ link,
+ download,
+ download_dir,
+ hashes=hashes,
+ )
+
+ # unpack the archive to the build dir location. even when only downloading
+ # archives, they have to be unpacked to parse dependencies, except wheels
+ if not link.is_wheel:
+ unpack_file(file.path, location, file.content_type)
+
+ return file
+
+
+def _check_download_dir(link, download_dir, hashes):
+ # type: (Link, str, Optional[Hashes]) -> Optional[str]
+ """ Check download_dir for previously downloaded file with correct hash
+ If a correct file is found return its path else None
+ """
+ download_path = os.path.join(download_dir, link.filename)
+
+ if not os.path.exists(download_path):
+ return None
+
+ # If already downloaded, does its hash match?
+ logger.info('File was already downloaded %s', download_path)
+ if hashes:
+ try:
+ hashes.check_against_path(download_path)
+ except HashMismatch:
+ logger.warning(
+ 'Previously-downloaded file %s has bad hash. '
+ 'Re-downloading.',
+ download_path
+ )
+ os.unlink(download_path)
+ return None
+ return download_path
+
+
+class RequirementPreparer:
+ """Prepares a Requirement
+ """
+
+ def __init__(
+ self,
+ build_dir, # type: str
+ download_dir, # type: Optional[str]
+ src_dir, # type: str
+ build_isolation, # type: bool
+ req_tracker, # type: RequirementTracker
+ session, # type: PipSession
+ progress_bar, # type: str
+ finder, # type: PackageFinder
+ require_hashes, # type: bool
+ use_user_site, # type: bool
+ lazy_wheel, # type: bool
+ in_tree_build, # type: bool
+ ):
+ # type: (...) -> None
+ super().__init__()
+
+ self.src_dir = src_dir
+ self.build_dir = build_dir
+ self.req_tracker = req_tracker
+ self._session = session
+ self._download = Downloader(session, progress_bar)
+ self._batch_download = BatchDownloader(session, progress_bar)
+ self.finder = finder
+
+ # Where still-packed archives should be written to. If None, they are
+ # not saved, and are deleted immediately after unpacking.
+ self.download_dir = download_dir
+
+ # Is build isolation allowed?
+ self.build_isolation = build_isolation
+
+ # Should hash-checking be required?
+ self.require_hashes = require_hashes
+
+ # Should install in user site-packages?
+ self.use_user_site = use_user_site
+
+ # Should wheels be downloaded lazily?
+ self.use_lazy_wheel = lazy_wheel
+
+ # Should in-tree builds be used for local paths?
+ self.in_tree_build = in_tree_build
+
+ # Memoized downloaded files, as mapping of url: (path, mime type)
+ self._downloaded = {} # type: Dict[str, Tuple[str, str]]
+
+ # Previous "header" printed for a link-based InstallRequirement
+ self._previous_requirement_header = ("", "")
+
+ def _log_preparing_link(self, req):
+ # type: (InstallRequirement) -> None
+ """Provide context for the requirement being prepared."""
+ if req.link.is_file and not req.original_link_is_in_wheel_cache:
+ message = "Processing %s"
+ information = str(display_path(req.link.file_path))
+ else:
+ message = "Collecting %s"
+ information = str(req.req or req)
+
+ if (message, information) != self._previous_requirement_header:
+ self._previous_requirement_header = (message, information)
+ logger.info(message, information)
+
+ if req.original_link_is_in_wheel_cache:
+ with indent_log():
+ logger.info("Using cached %s", req.link.filename)
+
+ def _ensure_link_req_src_dir(self, req, parallel_builds):
+ # type: (InstallRequirement, bool) -> None
+ """Ensure source_dir of a linked InstallRequirement."""
+ # Since source_dir is only set for editable requirements.
+ if req.link.is_wheel:
+ # We don't need to unpack wheels, so no need for a source
+ # directory.
+ return
+ assert req.source_dir is None
+ if req.link.is_existing_dir() and self.in_tree_build:
+ # build local directories in-tree
+ req.source_dir = req.link.file_path
+ return
+
+ # We always delete unpacked sdists after pip runs.
+ req.ensure_has_source_dir(
+ self.build_dir,
+ autodelete=True,
+ parallel_builds=parallel_builds,
+ )
+
+ # If a checkout exists, it's unwise to keep going. version
+ # inconsistencies are logged later, but do not fail the
+ # installation.
+ # FIXME: this won't upgrade when there's an existing
+ # package unpacked in `req.source_dir`
+ if is_installable_dir(req.source_dir):
+ raise PreviousBuildDirError(
+ "pip can't proceed with requirements '{}' due to a"
+ "pre-existing build directory ({}). This is likely "
+ "due to a previous installation that failed . pip is "
+ "being responsible and not assuming it can delete this. "
+ "Please delete it and try again.".format(req, req.source_dir)
+ )
+
+ def _get_linked_req_hashes(self, req):
+ # type: (InstallRequirement) -> Hashes
+ # By the time this is called, the requirement's link should have
+ # been checked so we can tell what kind of requirements req is
+ # and raise some more informative errors than otherwise.
+ # (For example, we can raise VcsHashUnsupported for a VCS URL
+ # rather than HashMissing.)
+ if not self.require_hashes:
+ return req.hashes(trust_internet=True)
+
+ # We could check these first 2 conditions inside unpack_url
+ # and save repetition of conditions, but then we would
+ # report less-useful error messages for unhashable
+ # requirements, complaining that there's no hash provided.
+ if req.link.is_vcs:
+ raise VcsHashUnsupported()
+ if req.link.is_existing_dir():
+ raise DirectoryUrlHashUnsupported()
+
+ # Unpinned packages are asking for trouble when a new version
+ # is uploaded. This isn't a security check, but it saves users
+ # a surprising hash mismatch in the future.
+ # file:/// URLs aren't pinnable, so don't complain about them
+ # not being pinned.
+ if req.original_link is None and not req.is_pinned:
+ raise HashUnpinned()
+
+ # If known-good hashes are missing for this requirement,
+ # shim it with a facade object that will provoke hash
+ # computation and then raise a HashMissing exception
+ # showing the user what the hash should be.
+ return req.hashes(trust_internet=False) or MissingHashes()
+
+ def _fetch_metadata_using_lazy_wheel(self, link):
+ # type: (Link) -> Optional[Distribution]
+ """Fetch metadata using lazy wheel, if possible."""
+ if not self.use_lazy_wheel:
+ return None
+ if self.require_hashes:
+ logger.debug('Lazy wheel is not used as hash checking is required')
+ return None
+ if link.is_file or not link.is_wheel:
+ logger.debug(
+ 'Lazy wheel is not used as '
+ '%r does not points to a remote wheel',
+ link,
+ )
+ return None
+
+ wheel = Wheel(link.filename)
+ name = canonicalize_name(wheel.name)
+ logger.info(
+ 'Obtaining dependency information from %s %s',
+ name, wheel.version,
+ )
+ url = link.url.split('#', 1)[0]
+ try:
+ return dist_from_wheel_url(name, url, self._session)
+ except HTTPRangeRequestUnsupported:
+ logger.debug('%s does not support range requests', url)
+ return None
+
+ def _complete_partial_requirements(
+ self,
+ partially_downloaded_reqs, # type: Iterable[InstallRequirement]
+ parallel_builds=False, # type: bool
+ ):
+ # type: (...) -> None
+ """Download any requirements which were only fetched by metadata."""
+ # Download to a temporary directory. These will be copied over as
+ # needed for downstream 'download', 'wheel', and 'install' commands.
+ temp_dir = TempDirectory(kind="unpack", globally_managed=True).path
+
+ # Map each link to the requirement that owns it. This allows us to set
+ # `req.local_file_path` on the appropriate requirement after passing
+ # all the links at once into BatchDownloader.
+ links_to_fully_download = {} # type: Dict[Link, InstallRequirement]
+ for req in partially_downloaded_reqs:
+ assert req.link
+ links_to_fully_download[req.link] = req
+
+ batch_download = self._batch_download(
+ links_to_fully_download.keys(),
+ temp_dir,
+ )
+ for link, (filepath, _) in batch_download:
+ logger.debug("Downloading link %s to %s", link, filepath)
+ req = links_to_fully_download[link]
+ req.local_file_path = filepath
+
+ # This step is necessary to ensure all lazy wheels are processed
+ # successfully by the 'download', 'wheel', and 'install' commands.
+ for req in partially_downloaded_reqs:
+ self._prepare_linked_requirement(req, parallel_builds)
+
+ def prepare_linked_requirement(self, req, parallel_builds=False):
+ # type: (InstallRequirement, bool) -> Distribution
+ """Prepare a requirement to be obtained from req.link."""
+ assert req.link
+ link = req.link
+ self._log_preparing_link(req)
+ with indent_log():
+ # Check if the relevant file is already available
+ # in the download directory
+ file_path = None
+ if self.download_dir is not None and link.is_wheel:
+ hashes = self._get_linked_req_hashes(req)
+ file_path = _check_download_dir(req.link, self.download_dir, hashes)
+
+ if file_path is not None:
+ # The file is already available, so mark it as downloaded
+ self._downloaded[req.link.url] = file_path, None
+ else:
+ # The file is not available, attempt to fetch only metadata
+ wheel_dist = self._fetch_metadata_using_lazy_wheel(link)
+ if wheel_dist is not None:
+ req.needs_more_preparation = True
+ return wheel_dist
+
+ # None of the optimizations worked, fully prepare the requirement
+ return self._prepare_linked_requirement(req, parallel_builds)
+
+ def prepare_linked_requirements_more(self, reqs, parallel_builds=False):
+ # type: (Iterable[InstallRequirement], bool) -> None
+ """Prepare linked requirements more, if needed."""
+ reqs = [req for req in reqs if req.needs_more_preparation]
+ for req in reqs:
+ # Determine if any of these requirements were already downloaded.
+ if self.download_dir is not None and req.link.is_wheel:
+ hashes = self._get_linked_req_hashes(req)
+ file_path = _check_download_dir(req.link, self.download_dir, hashes)
+ if file_path is not None:
+ self._downloaded[req.link.url] = file_path, None
+ req.needs_more_preparation = False
+
+ # Prepare requirements we found were already downloaded for some
+ # reason. The other downloads will be completed separately.
+ partially_downloaded_reqs = [] # type: List[InstallRequirement]
+ for req in reqs:
+ if req.needs_more_preparation:
+ partially_downloaded_reqs.append(req)
+ else:
+ self._prepare_linked_requirement(req, parallel_builds)
+
+ # TODO: separate this part out from RequirementPreparer when the v1
+ # resolver can be removed!
+ self._complete_partial_requirements(
+ partially_downloaded_reqs, parallel_builds=parallel_builds,
+ )
+
+ def _prepare_linked_requirement(self, req, parallel_builds):
+ # type: (InstallRequirement, bool) -> Distribution
+ assert req.link
+ link = req.link
+
+ self._ensure_link_req_src_dir(req, parallel_builds)
+ hashes = self._get_linked_req_hashes(req)
+
+ if link.is_existing_dir() and self.in_tree_build:
+ local_file = None
+ elif link.url not in self._downloaded:
+ try:
+ local_file = unpack_url(
+ link, req.source_dir, self._download,
+ self.download_dir, hashes
+ )
+ except NetworkConnectionError as exc:
+ raise InstallationError(
+ 'Could not install requirement {} because of HTTP '
+ 'error {} for URL {}'.format(req, exc, link)
+ )
+ else:
+ file_path, content_type = self._downloaded[link.url]
+ if hashes:
+ hashes.check_against_path(file_path)
+ local_file = File(file_path, content_type)
+
+ # For use in later processing,
+ # preserve the file path on the requirement.
+ if local_file:
+ req.local_file_path = local_file.path
+
+ dist = _get_prepared_distribution(
+ req, self.req_tracker, self.finder, self.build_isolation,
+ )
+ return dist
+
+ def save_linked_requirement(self, req):
+ # type: (InstallRequirement) -> None
+ assert self.download_dir is not None
+ assert req.link is not None
+ link = req.link
+ if link.is_vcs or (link.is_existing_dir() and req.editable):
+ # Make a .zip of the source_dir we already created.
+ req.archive(self.download_dir)
+ return
+
+ if link.is_existing_dir():
+ logger.debug(
+ 'Not copying link to destination directory '
+ 'since it is a directory: %s', link,
+ )
+ return
+ if req.local_file_path is None:
+ # No distribution was downloaded for this requirement.
+ return
+
+ download_location = os.path.join(self.download_dir, link.filename)
+ if not os.path.exists(download_location):
+ shutil.copy(req.local_file_path, download_location)
+ download_path = display_path(download_location)
+ logger.info('Saved %s', download_path)
+
+ def prepare_editable_requirement(
+ self,
+ req, # type: InstallRequirement
+ ):
+ # type: (...) -> Distribution
+ """Prepare an editable requirement
+ """
+ assert req.editable, "cannot prepare a non-editable req as editable"
+
+ logger.info('Obtaining %s', req)
+
+ with indent_log():
+ if self.require_hashes:
+ raise InstallationError(
+ 'The editable requirement {} cannot be installed when '
+ 'requiring hashes, because there is no single file to '
+ 'hash.'.format(req)
+ )
+ req.ensure_has_source_dir(self.src_dir)
+ req.update_editable()
+
+ dist = _get_prepared_distribution(
+ req, self.req_tracker, self.finder, self.build_isolation,
+ )
+
+ req.check_if_exists(self.use_user_site)
+
+ return dist
+
+ def prepare_installed_requirement(
+ self,
+ req, # type: InstallRequirement
+ skip_reason # type: str
+ ):
+ # type: (...) -> Distribution
+ """Prepare an already-installed requirement
+ """
+ assert req.satisfied_by, "req should have been satisfied but isn't"
+ assert skip_reason is not None, (
+ "did not get skip reason skipped but req.satisfied_by "
+ "is set to {}".format(req.satisfied_by)
+ )
+ logger.info(
+ 'Requirement %s: %s (%s)',
+ skip_reason, req, req.satisfied_by.version
+ )
+ with indent_log():
+ if self.require_hashes:
+ logger.debug(
+ 'Since it is already installed, we are trusting this '
+ 'package without checking its hash. To ensure a '
+ 'completely repeatable environment, install into an '
+ 'empty virtualenv.'
+ )
+ return InstalledDistribution(req).get_pkg_resources_distribution()
diff --git a/Scripts/Lib/site-packages/pip/_internal/pyproject.py b/Scripts/Lib/site-packages/pip/_internal/pyproject.py
new file mode 100644
index 0000000..5aa6160
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/pyproject.py
@@ -0,0 +1,183 @@
+import os
+from collections import namedtuple
+from typing import Any, List, Optional
+
+from pip._vendor import tomli
+from pip._vendor.packaging.requirements import InvalidRequirement, Requirement
+
+from pip._internal.exceptions import InstallationError
+
+
+def _is_list_of_str(obj):
+ # type: (Any) -> bool
+ return (
+ isinstance(obj, list) and
+ all(isinstance(item, str) for item in obj)
+ )
+
+
+def make_pyproject_path(unpacked_source_directory):
+ # type: (str) -> str
+ return os.path.join(unpacked_source_directory, 'pyproject.toml')
+
+
+BuildSystemDetails = namedtuple('BuildSystemDetails', [
+ 'requires', 'backend', 'check', 'backend_path'
+])
+
+
+def load_pyproject_toml(
+ use_pep517, # type: Optional[bool]
+ pyproject_toml, # type: str
+ setup_py, # type: str
+ req_name # type: str
+):
+ # type: (...) -> Optional[BuildSystemDetails]
+ """Load the pyproject.toml file.
+
+ Parameters:
+ use_pep517 - Has the user requested PEP 517 processing? None
+ means the user hasn't explicitly specified.
+ pyproject_toml - Location of the project's pyproject.toml file
+ setup_py - Location of the project's setup.py file
+ req_name - The name of the requirement we're processing (for
+ error reporting)
+
+ Returns:
+ None if we should use the legacy code path, otherwise a tuple
+ (
+ requirements from pyproject.toml,
+ name of PEP 517 backend,
+ requirements we should check are installed after setting
+ up the build environment
+ directory paths to import the backend from (backend-path),
+ relative to the project root.
+ )
+ """
+ has_pyproject = os.path.isfile(pyproject_toml)
+ has_setup = os.path.isfile(setup_py)
+
+ if has_pyproject:
+ with open(pyproject_toml, encoding="utf-8") as f:
+ pp_toml = tomli.load(f)
+ build_system = pp_toml.get("build-system")
+ else:
+ build_system = None
+
+ # The following cases must use PEP 517
+ # We check for use_pep517 being non-None and falsey because that means
+ # the user explicitly requested --no-use-pep517. The value 0 as
+ # opposed to False can occur when the value is provided via an
+ # environment variable or config file option (due to the quirk of
+ # strtobool() returning an integer in pip's configuration code).
+ if has_pyproject and not has_setup:
+ if use_pep517 is not None and not use_pep517:
+ raise InstallationError(
+ "Disabling PEP 517 processing is invalid: "
+ "project does not have a setup.py"
+ )
+ use_pep517 = True
+ elif build_system and "build-backend" in build_system:
+ if use_pep517 is not None and not use_pep517:
+ raise InstallationError(
+ "Disabling PEP 517 processing is invalid: "
+ "project specifies a build backend of {} "
+ "in pyproject.toml".format(
+ build_system["build-backend"]
+ )
+ )
+ use_pep517 = True
+
+ # If we haven't worked out whether to use PEP 517 yet,
+ # and the user hasn't explicitly stated a preference,
+ # we do so if the project has a pyproject.toml file.
+ elif use_pep517 is None:
+ use_pep517 = has_pyproject
+
+ # At this point, we know whether we're going to use PEP 517.
+ assert use_pep517 is not None
+
+ # If we're using the legacy code path, there is nothing further
+ # for us to do here.
+ if not use_pep517:
+ return None
+
+ if build_system is None:
+ # Either the user has a pyproject.toml with no build-system
+ # section, or the user has no pyproject.toml, but has opted in
+ # explicitly via --use-pep517.
+ # In the absence of any explicit backend specification, we
+ # assume the setuptools backend that most closely emulates the
+ # traditional direct setup.py execution, and require wheel and
+ # a version of setuptools that supports that backend.
+
+ build_system = {
+ "requires": ["setuptools>=40.8.0", "wheel"],
+ "build-backend": "setuptools.build_meta:__legacy__",
+ }
+
+ # If we're using PEP 517, we have build system information (either
+ # from pyproject.toml, or defaulted by the code above).
+ # Note that at this point, we do not know if the user has actually
+ # specified a backend, though.
+ assert build_system is not None
+
+ # Ensure that the build-system section in pyproject.toml conforms
+ # to PEP 518.
+ error_template = (
+ "{package} has a pyproject.toml file that does not comply "
+ "with PEP 518: {reason}"
+ )
+
+ # Specifying the build-system table but not the requires key is invalid
+ if "requires" not in build_system:
+ raise InstallationError(
+ error_template.format(package=req_name, reason=(
+ "it has a 'build-system' table but not "
+ "'build-system.requires' which is mandatory in the table"
+ ))
+ )
+
+ # Error out if requires is not a list of strings
+ requires = build_system["requires"]
+ if not _is_list_of_str(requires):
+ raise InstallationError(error_template.format(
+ package=req_name,
+ reason="'build-system.requires' is not a list of strings.",
+ ))
+
+ # Each requirement must be valid as per PEP 508
+ for requirement in requires:
+ try:
+ Requirement(requirement)
+ except InvalidRequirement:
+ raise InstallationError(
+ error_template.format(
+ package=req_name,
+ reason=(
+ "'build-system.requires' contains an invalid "
+ "requirement: {!r}".format(requirement)
+ ),
+ )
+ )
+
+ backend = build_system.get("build-backend")
+ backend_path = build_system.get("backend-path", [])
+ check = [] # type: List[str]
+ if backend is None:
+ # If the user didn't specify a backend, we assume they want to use
+ # the setuptools backend. But we can't be sure they have included
+ # a version of setuptools which supplies the backend, or wheel
+ # (which is needed by the backend) in their requirements. So we
+ # make a note to check that those requirements are present once
+ # we have set up the environment.
+ # This is quite a lot of work to check for a very specific case. But
+ # the problem is, that case is potentially quite common - projects that
+ # adopted PEP 518 early for the ability to specify requirements to
+ # execute setup.py, but never considered needing to mention the build
+ # tools themselves. The original PEP 518 code had a similar check (but
+ # implemented in a different way).
+ backend = "setuptools.build_meta:__legacy__"
+ check = ["setuptools>=40.8.0", "wheel"]
+
+ return BuildSystemDetails(requires, backend, check, backend_path)
diff --git a/Scripts/Lib/site-packages/pip/_internal/req/__init__.py b/Scripts/Lib/site-packages/pip/_internal/req/__init__.py
new file mode 100644
index 0000000..aaea748
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/req/__init__.py
@@ -0,0 +1,94 @@
+import collections
+import logging
+from typing import Iterator, List, Optional, Sequence, Tuple
+
+from pip._internal.utils.logging import indent_log
+
+from .req_file import parse_requirements
+from .req_install import InstallRequirement
+from .req_set import RequirementSet
+
+__all__ = [
+ "RequirementSet", "InstallRequirement",
+ "parse_requirements", "install_given_reqs",
+]
+
+logger = logging.getLogger(__name__)
+
+
+class InstallationResult:
+ def __init__(self, name: str) -> None:
+ self.name = name
+
+ def __repr__(self) -> str:
+ return f"InstallationResult(name={self.name!r})"
+
+
+def _validate_requirements(
+ requirements: List[InstallRequirement],
+) -> Iterator[Tuple[str, InstallRequirement]]:
+ for req in requirements:
+ assert req.name, f"invalid to-be-installed requirement: {req}"
+ yield req.name, req
+
+
+def install_given_reqs(
+ requirements: List[InstallRequirement],
+ install_options: List[str],
+ global_options: Sequence[str],
+ root: Optional[str],
+ home: Optional[str],
+ prefix: Optional[str],
+ warn_script_location: bool,
+ use_user_site: bool,
+ pycompile: bool,
+) -> List[InstallationResult]:
+ """
+ Install everything in the given list.
+
+ (to be called after having downloaded and unpacked the packages)
+ """
+ to_install = collections.OrderedDict(_validate_requirements(requirements))
+
+ if to_install:
+ logger.info(
+ 'Installing collected packages: %s',
+ ', '.join(to_install.keys()),
+ )
+
+ installed = []
+
+ with indent_log():
+ for req_name, requirement in to_install.items():
+ if requirement.should_reinstall:
+ logger.info('Attempting uninstall: %s', req_name)
+ with indent_log():
+ uninstalled_pathset = requirement.uninstall(
+ auto_confirm=True
+ )
+ else:
+ uninstalled_pathset = None
+
+ try:
+ requirement.install(
+ install_options,
+ global_options,
+ root=root,
+ home=home,
+ prefix=prefix,
+ warn_script_location=warn_script_location,
+ use_user_site=use_user_site,
+ pycompile=pycompile,
+ )
+ except Exception:
+ # if install did not succeed, rollback previous uninstall
+ if uninstalled_pathset and not requirement.install_succeeded:
+ uninstalled_pathset.rollback()
+ raise
+ else:
+ if uninstalled_pathset and requirement.install_succeeded:
+ uninstalled_pathset.commit()
+
+ installed.append(InstallationResult(req_name))
+
+ return installed
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diff --git a/Scripts/Lib/site-packages/pip/_internal/req/constructors.py b/Scripts/Lib/site-packages/pip/_internal/req/constructors.py
new file mode 100644
index 0000000..d0f5b42
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/req/constructors.py
@@ -0,0 +1,474 @@
+"""Backing implementation for InstallRequirement's various constructors
+
+The idea here is that these formed a major chunk of InstallRequirement's size
+so, moving them and support code dedicated to them outside of that class
+helps creates for better understandability for the rest of the code.
+
+These are meant to be used elsewhere within pip to create instances of
+InstallRequirement.
+"""
+
+import logging
+import os
+import re
+from typing import Any, Dict, Optional, Set, Tuple, Union
+
+from pip._vendor.packaging.markers import Marker
+from pip._vendor.packaging.requirements import InvalidRequirement, Requirement
+from pip._vendor.packaging.specifiers import Specifier
+from pip._vendor.pkg_resources import RequirementParseError, parse_requirements
+
+from pip._internal.exceptions import InstallationError
+from pip._internal.models.index import PyPI, TestPyPI
+from pip._internal.models.link import Link
+from pip._internal.models.wheel import Wheel
+from pip._internal.pyproject import make_pyproject_path
+from pip._internal.req.req_file import ParsedRequirement
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.utils.filetypes import is_archive_file
+from pip._internal.utils.misc import is_installable_dir
+from pip._internal.utils.urls import path_to_url
+from pip._internal.vcs import is_url, vcs
+
+__all__ = [
+ "install_req_from_editable", "install_req_from_line",
+ "parse_editable"
+]
+
+logger = logging.getLogger(__name__)
+operators = Specifier._operators.keys()
+
+
+def _strip_extras(path: str) -> Tuple[str, Optional[str]]:
+ m = re.match(r'^(.+)(\[[^\]]+\])$', path)
+ extras = None
+ if m:
+ path_no_extras = m.group(1)
+ extras = m.group(2)
+ else:
+ path_no_extras = path
+
+ return path_no_extras, extras
+
+
+def convert_extras(extras: Optional[str]) -> Set[str]:
+ if not extras:
+ return set()
+ return Requirement("placeholder" + extras.lower()).extras
+
+
+def parse_editable(editable_req: str) -> Tuple[Optional[str], str, Set[str]]:
+ """Parses an editable requirement into:
+ - a requirement name
+ - an URL
+ - extras
+ - editable options
+ Accepted requirements:
+ svn+http://blahblah@rev#egg=Foobar[baz]&subdirectory=version_subdir
+ .[some_extra]
+ """
+
+ url = editable_req
+
+ # If a file path is specified with extras, strip off the extras.
+ url_no_extras, extras = _strip_extras(url)
+
+ if os.path.isdir(url_no_extras):
+ setup_py = os.path.join(url_no_extras, 'setup.py')
+ setup_cfg = os.path.join(url_no_extras, 'setup.cfg')
+ if not os.path.exists(setup_py) and not os.path.exists(setup_cfg):
+ msg = (
+ 'File "setup.py" or "setup.cfg" not found. Directory cannot be '
+ 'installed in editable mode: {}'
+ .format(os.path.abspath(url_no_extras))
+ )
+ pyproject_path = make_pyproject_path(url_no_extras)
+ if os.path.isfile(pyproject_path):
+ msg += (
+ '\n(A "pyproject.toml" file was found, but editable '
+ 'mode currently requires a setuptools-based build.)'
+ )
+ raise InstallationError(msg)
+
+ # Treating it as code that has already been checked out
+ url_no_extras = path_to_url(url_no_extras)
+
+ if url_no_extras.lower().startswith('file:'):
+ package_name = Link(url_no_extras).egg_fragment
+ if extras:
+ return (
+ package_name,
+ url_no_extras,
+ Requirement("placeholder" + extras.lower()).extras,
+ )
+ else:
+ return package_name, url_no_extras, set()
+
+ for version_control in vcs:
+ if url.lower().startswith(f'{version_control}:'):
+ url = f'{version_control}+{url}'
+ break
+
+ link = Link(url)
+
+ if not link.is_vcs:
+ backends = ", ".join(vcs.all_schemes)
+ raise InstallationError(
+ f'{editable_req} is not a valid editable requirement. '
+ f'It should either be a path to a local project or a VCS URL '
+ f'(beginning with {backends}).'
+ )
+
+ package_name = link.egg_fragment
+ if not package_name:
+ raise InstallationError(
+ "Could not detect requirement name for '{}', please specify one "
+ "with #egg=your_package_name".format(editable_req)
+ )
+ return package_name, url, set()
+
+
+def deduce_helpful_msg(req: str) -> str:
+ """Returns helpful msg in case requirements file does not exist,
+ or cannot be parsed.
+
+ :params req: Requirements file path
+ """
+ msg = ""
+ if os.path.exists(req):
+ msg = " The path does exist. "
+ # Try to parse and check if it is a requirements file.
+ try:
+ with open(req) as fp:
+ # parse first line only
+ next(parse_requirements(fp.read()))
+ msg += (
+ "The argument you provided "
+ "({}) appears to be a"
+ " requirements file. If that is the"
+ " case, use the '-r' flag to install"
+ " the packages specified within it."
+ ).format(req)
+ except RequirementParseError:
+ logger.debug(
+ "Cannot parse '%s' as requirements file", req, exc_info=True
+ )
+ else:
+ msg += f" File '{req}' does not exist."
+ return msg
+
+
+class RequirementParts:
+ def __init__(
+ self,
+ requirement: Optional[Requirement],
+ link: Optional[Link],
+ markers: Optional[Marker],
+ extras: Set[str],
+ ):
+ self.requirement = requirement
+ self.link = link
+ self.markers = markers
+ self.extras = extras
+
+
+def parse_req_from_editable(editable_req: str) -> RequirementParts:
+ name, url, extras_override = parse_editable(editable_req)
+
+ if name is not None:
+ try:
+ req: Optional[Requirement] = Requirement(name)
+ except InvalidRequirement:
+ raise InstallationError(f"Invalid requirement: '{name}'")
+ else:
+ req = None
+
+ link = Link(url)
+
+ return RequirementParts(req, link, None, extras_override)
+
+
+# ---- The actual constructors follow ----
+
+
+def install_req_from_editable(
+ editable_req: str,
+ comes_from: Optional[Union[InstallRequirement, str]] = None,
+ use_pep517: Optional[bool] = None,
+ isolated: bool = False,
+ options: Optional[Dict[str, Any]] = None,
+ constraint: bool = False,
+ user_supplied: bool = False,
+) -> InstallRequirement:
+
+ parts = parse_req_from_editable(editable_req)
+
+ return InstallRequirement(
+ parts.requirement,
+ comes_from=comes_from,
+ user_supplied=user_supplied,
+ editable=True,
+ link=parts.link,
+ constraint=constraint,
+ use_pep517=use_pep517,
+ isolated=isolated,
+ install_options=options.get("install_options", []) if options else [],
+ global_options=options.get("global_options", []) if options else [],
+ hash_options=options.get("hashes", {}) if options else {},
+ extras=parts.extras,
+ )
+
+
+def _looks_like_path(name: str) -> bool:
+ """Checks whether the string "looks like" a path on the filesystem.
+
+ This does not check whether the target actually exists, only judge from the
+ appearance.
+
+ Returns true if any of the following conditions is true:
+ * a path separator is found (either os.path.sep or os.path.altsep);
+ * a dot is found (which represents the current directory).
+ """
+ if os.path.sep in name:
+ return True
+ if os.path.altsep is not None and os.path.altsep in name:
+ return True
+ if name.startswith("."):
+ return True
+ return False
+
+
+def _get_url_from_path(path: str, name: str) -> Optional[str]:
+ """
+ First, it checks whether a provided path is an installable directory. If it
+ is, returns the path.
+
+ If false, check if the path is an archive file (such as a .whl).
+ The function checks if the path is a file. If false, if the path has
+ an @, it will treat it as a PEP 440 URL requirement and return the path.
+ """
+ if _looks_like_path(name) and os.path.isdir(path):
+ if is_installable_dir(path):
+ return path_to_url(path)
+ raise InstallationError(
+ f"Directory {name!r} is not installable. Neither 'setup.py' "
+ "nor 'pyproject.toml' found."
+ )
+ if not is_archive_file(path):
+ return None
+ if os.path.isfile(path):
+ return path_to_url(path)
+ urlreq_parts = name.split('@', 1)
+ if len(urlreq_parts) >= 2 and not _looks_like_path(urlreq_parts[0]):
+ # If the path contains '@' and the part before it does not look
+ # like a path, try to treat it as a PEP 440 URL req instead.
+ return None
+ logger.warning(
+ 'Requirement %r looks like a filename, but the '
+ 'file does not exist',
+ name
+ )
+ return path_to_url(path)
+
+
+def parse_req_from_line(name: str, line_source: Optional[str]) -> RequirementParts:
+ if is_url(name):
+ marker_sep = '; '
+ else:
+ marker_sep = ';'
+ if marker_sep in name:
+ name, markers_as_string = name.split(marker_sep, 1)
+ markers_as_string = markers_as_string.strip()
+ if not markers_as_string:
+ markers = None
+ else:
+ markers = Marker(markers_as_string)
+ else:
+ markers = None
+ name = name.strip()
+ req_as_string = None
+ path = os.path.normpath(os.path.abspath(name))
+ link = None
+ extras_as_string = None
+
+ if is_url(name):
+ link = Link(name)
+ else:
+ p, extras_as_string = _strip_extras(path)
+ url = _get_url_from_path(p, name)
+ if url is not None:
+ link = Link(url)
+
+ # it's a local file, dir, or url
+ if link:
+ # Handle relative file URLs
+ if link.scheme == 'file' and re.search(r'\.\./', link.url):
+ link = Link(
+ path_to_url(os.path.normpath(os.path.abspath(link.path))))
+ # wheel file
+ if link.is_wheel:
+ wheel = Wheel(link.filename) # can raise InvalidWheelFilename
+ req_as_string = f"{wheel.name}=={wheel.version}"
+ else:
+ # set the req to the egg fragment. when it's not there, this
+ # will become an 'unnamed' requirement
+ req_as_string = link.egg_fragment
+
+ # a requirement specifier
+ else:
+ req_as_string = name
+
+ extras = convert_extras(extras_as_string)
+
+ def with_source(text: str) -> str:
+ if not line_source:
+ return text
+ return f'{text} (from {line_source})'
+
+ def _parse_req_string(req_as_string: str) -> Requirement:
+ try:
+ req = Requirement(req_as_string)
+ except InvalidRequirement:
+ if os.path.sep in req_as_string:
+ add_msg = "It looks like a path."
+ add_msg += deduce_helpful_msg(req_as_string)
+ elif ('=' in req_as_string and
+ not any(op in req_as_string for op in operators)):
+ add_msg = "= is not a valid operator. Did you mean == ?"
+ else:
+ add_msg = ''
+ msg = with_source(
+ f'Invalid requirement: {req_as_string!r}'
+ )
+ if add_msg:
+ msg += f'\nHint: {add_msg}'
+ raise InstallationError(msg)
+ else:
+ # Deprecate extras after specifiers: "name>=1.0[extras]"
+ # This currently works by accident because _strip_extras() parses
+ # any extras in the end of the string and those are saved in
+ # RequirementParts
+ for spec in req.specifier:
+ spec_str = str(spec)
+ if spec_str.endswith(']'):
+ msg = f"Extras after version '{spec_str}'."
+ raise InstallationError(msg)
+ return req
+
+ if req_as_string is not None:
+ req: Optional[Requirement] = _parse_req_string(req_as_string)
+ else:
+ req = None
+
+ return RequirementParts(req, link, markers, extras)
+
+
+def install_req_from_line(
+ name: str,
+ comes_from: Optional[Union[str, InstallRequirement]] = None,
+ use_pep517: Optional[bool] = None,
+ isolated: bool = False,
+ options: Optional[Dict[str, Any]] = None,
+ constraint: bool = False,
+ line_source: Optional[str] = None,
+ user_supplied: bool = False,
+) -> InstallRequirement:
+ """Creates an InstallRequirement from a name, which might be a
+ requirement, directory containing 'setup.py', filename, or URL.
+
+ :param line_source: An optional string describing where the line is from,
+ for logging purposes in case of an error.
+ """
+ parts = parse_req_from_line(name, line_source)
+
+ return InstallRequirement(
+ parts.requirement, comes_from, link=parts.link, markers=parts.markers,
+ use_pep517=use_pep517, isolated=isolated,
+ install_options=options.get("install_options", []) if options else [],
+ global_options=options.get("global_options", []) if options else [],
+ hash_options=options.get("hashes", {}) if options else {},
+ constraint=constraint,
+ extras=parts.extras,
+ user_supplied=user_supplied,
+ )
+
+
+def install_req_from_req_string(
+ req_string: str,
+ comes_from: Optional[InstallRequirement] = None,
+ isolated: bool = False,
+ use_pep517: Optional[bool] = None,
+ user_supplied: bool = False,
+) -> InstallRequirement:
+ try:
+ req = Requirement(req_string)
+ except InvalidRequirement:
+ raise InstallationError(f"Invalid requirement: '{req_string}'")
+
+ domains_not_allowed = [
+ PyPI.file_storage_domain,
+ TestPyPI.file_storage_domain,
+ ]
+ if (req.url and comes_from and comes_from.link and
+ comes_from.link.netloc in domains_not_allowed):
+ # Explicitly disallow pypi packages that depend on external urls
+ raise InstallationError(
+ "Packages installed from PyPI cannot depend on packages "
+ "which are not also hosted on PyPI.\n"
+ "{} depends on {} ".format(comes_from.name, req)
+ )
+
+ return InstallRequirement(
+ req,
+ comes_from,
+ isolated=isolated,
+ use_pep517=use_pep517,
+ user_supplied=user_supplied,
+ )
+
+
+def install_req_from_parsed_requirement(
+ parsed_req: ParsedRequirement,
+ isolated: bool = False,
+ use_pep517: Optional[bool] = None,
+ user_supplied: bool = False,
+) -> InstallRequirement:
+ if parsed_req.is_editable:
+ req = install_req_from_editable(
+ parsed_req.requirement,
+ comes_from=parsed_req.comes_from,
+ use_pep517=use_pep517,
+ constraint=parsed_req.constraint,
+ isolated=isolated,
+ user_supplied=user_supplied,
+ )
+
+ else:
+ req = install_req_from_line(
+ parsed_req.requirement,
+ comes_from=parsed_req.comes_from,
+ use_pep517=use_pep517,
+ isolated=isolated,
+ options=parsed_req.options,
+ constraint=parsed_req.constraint,
+ line_source=parsed_req.line_source,
+ user_supplied=user_supplied,
+ )
+ return req
+
+
+def install_req_from_link_and_ireq(
+ link: Link, ireq: InstallRequirement
+) -> InstallRequirement:
+ return InstallRequirement(
+ req=ireq.req,
+ comes_from=ireq.comes_from,
+ editable=ireq.editable,
+ link=link,
+ markers=ireq.markers,
+ use_pep517=ireq.use_pep517,
+ isolated=ireq.isolated,
+ install_options=ireq.install_options,
+ global_options=ireq.global_options,
+ hash_options=ireq.hash_options,
+ )
diff --git a/Scripts/Lib/site-packages/pip/_internal/req/req_file.py b/Scripts/Lib/site-packages/pip/_internal/req/req_file.py
new file mode 100644
index 0000000..01c6cf6
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/req/req_file.py
@@ -0,0 +1,528 @@
+"""
+Requirements file parsing
+"""
+
+import optparse
+import os
+import re
+import shlex
+import urllib.parse
+from optparse import Values
+from typing import TYPE_CHECKING, Any, Callable, Dict, Iterator, List, Optional, Tuple
+
+from pip._internal.cli import cmdoptions
+from pip._internal.exceptions import InstallationError, RequirementsFileParseError
+from pip._internal.models.search_scope import SearchScope
+from pip._internal.network.session import PipSession
+from pip._internal.network.utils import raise_for_status
+from pip._internal.utils.encoding import auto_decode
+from pip._internal.utils.urls import get_url_scheme
+
+if TYPE_CHECKING:
+ # NoReturn introduced in 3.6.2; imported only for type checking to maintain
+ # pip compatibility with older patch versions of Python 3.6
+ from typing import NoReturn
+
+ from pip._internal.index.package_finder import PackageFinder
+
+__all__ = ['parse_requirements']
+
+ReqFileLines = Iterator[Tuple[int, str]]
+
+LineParser = Callable[[str], Tuple[str, Values]]
+
+SCHEME_RE = re.compile(r'^(http|https|file):', re.I)
+COMMENT_RE = re.compile(r'(^|\s+)#.*$')
+
+# Matches environment variable-style values in '${MY_VARIABLE_1}' with the
+# variable name consisting of only uppercase letters, digits or the '_'
+# (underscore). This follows the POSIX standard defined in IEEE Std 1003.1,
+# 2013 Edition.
+ENV_VAR_RE = re.compile(r'(?P\$\{(?P[A-Z0-9_]+)\})')
+
+SUPPORTED_OPTIONS: List[Callable[..., optparse.Option]] = [
+ cmdoptions.index_url,
+ cmdoptions.extra_index_url,
+ cmdoptions.no_index,
+ cmdoptions.constraints,
+ cmdoptions.requirements,
+ cmdoptions.editable,
+ cmdoptions.find_links,
+ cmdoptions.no_binary,
+ cmdoptions.only_binary,
+ cmdoptions.prefer_binary,
+ cmdoptions.require_hashes,
+ cmdoptions.pre,
+ cmdoptions.trusted_host,
+ cmdoptions.use_new_feature,
+]
+
+# options to be passed to requirements
+SUPPORTED_OPTIONS_REQ: List[Callable[..., optparse.Option]] = [
+ cmdoptions.install_options,
+ cmdoptions.global_options,
+ cmdoptions.hash,
+]
+
+# the 'dest' string values
+SUPPORTED_OPTIONS_REQ_DEST = [str(o().dest) for o in SUPPORTED_OPTIONS_REQ]
+
+
+class ParsedRequirement:
+ def __init__(
+ self,
+ requirement: str,
+ is_editable: bool,
+ comes_from: str,
+ constraint: bool,
+ options: Optional[Dict[str, Any]] = None,
+ line_source: Optional[str] = None,
+ ) -> None:
+ self.requirement = requirement
+ self.is_editable = is_editable
+ self.comes_from = comes_from
+ self.options = options
+ self.constraint = constraint
+ self.line_source = line_source
+
+
+class ParsedLine:
+ def __init__(
+ self,
+ filename: str,
+ lineno: int,
+ args: str,
+ opts: Values,
+ constraint: bool,
+ ) -> None:
+ self.filename = filename
+ self.lineno = lineno
+ self.opts = opts
+ self.constraint = constraint
+
+ if args:
+ self.is_requirement = True
+ self.is_editable = False
+ self.requirement = args
+ elif opts.editables:
+ self.is_requirement = True
+ self.is_editable = True
+ # We don't support multiple -e on one line
+ self.requirement = opts.editables[0]
+ else:
+ self.is_requirement = False
+
+
+def parse_requirements(
+ filename: str,
+ session: PipSession,
+ finder: Optional["PackageFinder"] = None,
+ options: Optional[optparse.Values] = None,
+ constraint: bool = False,
+) -> Iterator[ParsedRequirement]:
+ """Parse a requirements file and yield ParsedRequirement instances.
+
+ :param filename: Path or url of requirements file.
+ :param session: PipSession instance.
+ :param finder: Instance of pip.index.PackageFinder.
+ :param options: cli options.
+ :param constraint: If true, parsing a constraint file rather than
+ requirements file.
+ """
+ line_parser = get_line_parser(finder)
+ parser = RequirementsFileParser(session, line_parser)
+
+ for parsed_line in parser.parse(filename, constraint):
+ parsed_req = handle_line(
+ parsed_line,
+ options=options,
+ finder=finder,
+ session=session
+ )
+ if parsed_req is not None:
+ yield parsed_req
+
+
+def preprocess(content: str) -> ReqFileLines:
+ """Split, filter, and join lines, and return a line iterator
+
+ :param content: the content of the requirements file
+ """
+ lines_enum: ReqFileLines = enumerate(content.splitlines(), start=1)
+ lines_enum = join_lines(lines_enum)
+ lines_enum = ignore_comments(lines_enum)
+ lines_enum = expand_env_variables(lines_enum)
+ return lines_enum
+
+
+def handle_requirement_line(
+ line: ParsedLine,
+ options: Optional[optparse.Values] = None,
+) -> ParsedRequirement:
+
+ # preserve for the nested code path
+ line_comes_from = '{} {} (line {})'.format(
+ '-c' if line.constraint else '-r', line.filename, line.lineno,
+ )
+
+ assert line.is_requirement
+
+ if line.is_editable:
+ # For editable requirements, we don't support per-requirement
+ # options, so just return the parsed requirement.
+ return ParsedRequirement(
+ requirement=line.requirement,
+ is_editable=line.is_editable,
+ comes_from=line_comes_from,
+ constraint=line.constraint,
+ )
+ else:
+ if options:
+ # Disable wheels if the user has specified build options
+ cmdoptions.check_install_build_global(options, line.opts)
+
+ # get the options that apply to requirements
+ req_options = {}
+ for dest in SUPPORTED_OPTIONS_REQ_DEST:
+ if dest in line.opts.__dict__ and line.opts.__dict__[dest]:
+ req_options[dest] = line.opts.__dict__[dest]
+
+ line_source = f'line {line.lineno} of {line.filename}'
+ return ParsedRequirement(
+ requirement=line.requirement,
+ is_editable=line.is_editable,
+ comes_from=line_comes_from,
+ constraint=line.constraint,
+ options=req_options,
+ line_source=line_source,
+ )
+
+
+def handle_option_line(
+ opts: Values,
+ filename: str,
+ lineno: int,
+ finder: Optional["PackageFinder"] = None,
+ options: Optional[optparse.Values] = None,
+ session: Optional[PipSession] = None,
+) -> None:
+
+ if options:
+ # percolate options upward
+ if opts.require_hashes:
+ options.require_hashes = opts.require_hashes
+ if opts.features_enabled:
+ options.features_enabled.extend(
+ f for f in opts.features_enabled
+ if f not in options.features_enabled
+ )
+
+ # set finder options
+ if finder:
+ find_links = finder.find_links
+ index_urls = finder.index_urls
+ if opts.index_url:
+ index_urls = [opts.index_url]
+ if opts.no_index is True:
+ index_urls = []
+ if opts.extra_index_urls:
+ index_urls.extend(opts.extra_index_urls)
+ if opts.find_links:
+ # FIXME: it would be nice to keep track of the source
+ # of the find_links: support a find-links local path
+ # relative to a requirements file.
+ value = opts.find_links[0]
+ req_dir = os.path.dirname(os.path.abspath(filename))
+ relative_to_reqs_file = os.path.join(req_dir, value)
+ if os.path.exists(relative_to_reqs_file):
+ value = relative_to_reqs_file
+ find_links.append(value)
+
+ if session:
+ # We need to update the auth urls in session
+ session.update_index_urls(index_urls)
+
+ search_scope = SearchScope(
+ find_links=find_links,
+ index_urls=index_urls,
+ )
+ finder.search_scope = search_scope
+
+ if opts.pre:
+ finder.set_allow_all_prereleases()
+
+ if opts.prefer_binary:
+ finder.set_prefer_binary()
+
+ if session:
+ for host in opts.trusted_hosts or []:
+ source = f'line {lineno} of {filename}'
+ session.add_trusted_host(host, source=source)
+
+
+def handle_line(
+ line: ParsedLine,
+ options: Optional[optparse.Values] = None,
+ finder: Optional["PackageFinder"] = None,
+ session: Optional[PipSession] = None,
+) -> Optional[ParsedRequirement]:
+ """Handle a single parsed requirements line; This can result in
+ creating/yielding requirements, or updating the finder.
+
+ :param line: The parsed line to be processed.
+ :param options: CLI options.
+ :param finder: The finder - updated by non-requirement lines.
+ :param session: The session - updated by non-requirement lines.
+
+ Returns a ParsedRequirement object if the line is a requirement line,
+ otherwise returns None.
+
+ For lines that contain requirements, the only options that have an effect
+ are from SUPPORTED_OPTIONS_REQ, and they are scoped to the
+ requirement. Other options from SUPPORTED_OPTIONS may be present, but are
+ ignored.
+
+ For lines that do not contain requirements, the only options that have an
+ effect are from SUPPORTED_OPTIONS. Options from SUPPORTED_OPTIONS_REQ may
+ be present, but are ignored. These lines may contain multiple options
+ (although our docs imply only one is supported), and all our parsed and
+ affect the finder.
+ """
+
+ if line.is_requirement:
+ parsed_req = handle_requirement_line(line, options)
+ return parsed_req
+ else:
+ handle_option_line(
+ line.opts,
+ line.filename,
+ line.lineno,
+ finder,
+ options,
+ session,
+ )
+ return None
+
+
+class RequirementsFileParser:
+ def __init__(
+ self,
+ session: PipSession,
+ line_parser: LineParser,
+ ) -> None:
+ self._session = session
+ self._line_parser = line_parser
+
+ def parse(self, filename: str, constraint: bool) -> Iterator[ParsedLine]:
+ """Parse a given file, yielding parsed lines.
+ """
+ yield from self._parse_and_recurse(filename, constraint)
+
+ def _parse_and_recurse(
+ self, filename: str, constraint: bool
+ ) -> Iterator[ParsedLine]:
+ for line in self._parse_file(filename, constraint):
+ if (
+ not line.is_requirement and
+ (line.opts.requirements or line.opts.constraints)
+ ):
+ # parse a nested requirements file
+ if line.opts.requirements:
+ req_path = line.opts.requirements[0]
+ nested_constraint = False
+ else:
+ req_path = line.opts.constraints[0]
+ nested_constraint = True
+
+ # original file is over http
+ if SCHEME_RE.search(filename):
+ # do a url join so relative paths work
+ req_path = urllib.parse.urljoin(filename, req_path)
+ # original file and nested file are paths
+ elif not SCHEME_RE.search(req_path):
+ # do a join so relative paths work
+ req_path = os.path.join(
+ os.path.dirname(filename), req_path,
+ )
+
+ yield from self._parse_and_recurse(req_path, nested_constraint)
+ else:
+ yield line
+
+ def _parse_file(self, filename: str, constraint: bool) -> Iterator[ParsedLine]:
+ _, content = get_file_content(filename, self._session)
+
+ lines_enum = preprocess(content)
+
+ for line_number, line in lines_enum:
+ try:
+ args_str, opts = self._line_parser(line)
+ except OptionParsingError as e:
+ # add offending line
+ msg = f'Invalid requirement: {line}\n{e.msg}'
+ raise RequirementsFileParseError(msg)
+
+ yield ParsedLine(
+ filename,
+ line_number,
+ args_str,
+ opts,
+ constraint,
+ )
+
+
+def get_line_parser(finder: Optional["PackageFinder"]) -> LineParser:
+ def parse_line(line: str) -> Tuple[str, Values]:
+ # Build new parser for each line since it accumulates appendable
+ # options.
+ parser = build_parser()
+ defaults = parser.get_default_values()
+ defaults.index_url = None
+ if finder:
+ defaults.format_control = finder.format_control
+
+ args_str, options_str = break_args_options(line)
+
+ opts, _ = parser.parse_args(shlex.split(options_str), defaults)
+
+ return args_str, opts
+
+ return parse_line
+
+
+def break_args_options(line: str) -> Tuple[str, str]:
+ """Break up the line into an args and options string. We only want to shlex
+ (and then optparse) the options, not the args. args can contain markers
+ which are corrupted by shlex.
+ """
+ tokens = line.split(' ')
+ args = []
+ options = tokens[:]
+ for token in tokens:
+ if token.startswith('-') or token.startswith('--'):
+ break
+ else:
+ args.append(token)
+ options.pop(0)
+ return ' '.join(args), ' '.join(options)
+
+
+class OptionParsingError(Exception):
+ def __init__(self, msg: str) -> None:
+ self.msg = msg
+
+
+def build_parser() -> optparse.OptionParser:
+ """
+ Return a parser for parsing requirement lines
+ """
+ parser = optparse.OptionParser(add_help_option=False)
+
+ option_factories = SUPPORTED_OPTIONS + SUPPORTED_OPTIONS_REQ
+ for option_factory in option_factories:
+ option = option_factory()
+ parser.add_option(option)
+
+ # By default optparse sys.exits on parsing errors. We want to wrap
+ # that in our own exception.
+ def parser_exit(self: Any, msg: str) -> "NoReturn":
+ raise OptionParsingError(msg)
+ # NOTE: mypy disallows assigning to a method
+ # https://github.com/python/mypy/issues/2427
+ parser.exit = parser_exit # type: ignore
+
+ return parser
+
+
+def join_lines(lines_enum: ReqFileLines) -> ReqFileLines:
+ """Joins a line ending in '\' with the previous line (except when following
+ comments). The joined line takes on the index of the first line.
+ """
+ primary_line_number = None
+ new_line: List[str] = []
+ for line_number, line in lines_enum:
+ if not line.endswith('\\') or COMMENT_RE.match(line):
+ if COMMENT_RE.match(line):
+ # this ensures comments are always matched later
+ line = ' ' + line
+ if new_line:
+ new_line.append(line)
+ assert primary_line_number is not None
+ yield primary_line_number, ''.join(new_line)
+ new_line = []
+ else:
+ yield line_number, line
+ else:
+ if not new_line:
+ primary_line_number = line_number
+ new_line.append(line.strip('\\'))
+
+ # last line contains \
+ if new_line:
+ assert primary_line_number is not None
+ yield primary_line_number, ''.join(new_line)
+
+ # TODO: handle space after '\'.
+
+
+def ignore_comments(lines_enum: ReqFileLines) -> ReqFileLines:
+ """
+ Strips comments and filter empty lines.
+ """
+ for line_number, line in lines_enum:
+ line = COMMENT_RE.sub('', line)
+ line = line.strip()
+ if line:
+ yield line_number, line
+
+
+def expand_env_variables(lines_enum: ReqFileLines) -> ReqFileLines:
+ """Replace all environment variables that can be retrieved via `os.getenv`.
+
+ The only allowed format for environment variables defined in the
+ requirement file is `${MY_VARIABLE_1}` to ensure two things:
+
+ 1. Strings that contain a `$` aren't accidentally (partially) expanded.
+ 2. Ensure consistency across platforms for requirement files.
+
+ These points are the result of a discussion on the `github pull
+ request #3514 `_.
+
+ Valid characters in variable names follow the `POSIX standard
+ '
+ if self.satisfied_by is not None:
+ s += ' in {}'.format(display_path(self.satisfied_by.location))
+ if self.comes_from:
+ if isinstance(self.comes_from, str):
+ comes_from: Optional[str] = self.comes_from
+ else:
+ comes_from = self.comes_from.from_path()
+ if comes_from:
+ s += f' (from {comes_from})'
+ return s
+
+ def __repr__(self) -> str:
+ return '<{} object: {} editable={!r}>'.format(
+ self.__class__.__name__, str(self), self.editable)
+
+ def format_debug(self) -> str:
+ """An un-tested helper for getting state, for debugging.
+ """
+ attributes = vars(self)
+ names = sorted(attributes)
+
+ state = (
+ "{}={!r}".format(attr, attributes[attr]) for attr in sorted(names)
+ )
+ return '<{name} object: {{{state}}}>'.format(
+ name=self.__class__.__name__,
+ state=", ".join(state),
+ )
+
+ # Things that are valid for all kinds of requirements?
+ @property
+ def name(self) -> Optional[str]:
+ if self.req is None:
+ return None
+ return pkg_resources.safe_name(self.req.name)
+
+ @property
+ def specifier(self) -> SpecifierSet:
+ return self.req.specifier
+
+ @property
+ def is_pinned(self) -> bool:
+ """Return whether I am pinned to an exact version.
+
+ For example, some-package==1.2 is pinned; some-package>1.2 is not.
+ """
+ specifiers = self.specifier
+ return (len(specifiers) == 1 and
+ next(iter(specifiers)).operator in {'==', '==='})
+
+ def match_markers(self, extras_requested: Optional[Iterable[str]] = None) -> bool:
+ if not extras_requested:
+ # Provide an extra to safely evaluate the markers
+ # without matching any extra
+ extras_requested = ('',)
+ if self.markers is not None:
+ return any(
+ self.markers.evaluate({'extra': extra})
+ for extra in extras_requested)
+ else:
+ return True
+
+ @property
+ def has_hash_options(self) -> bool:
+ """Return whether any known-good hashes are specified as options.
+
+ These activate --require-hashes mode; hashes specified as part of a
+ URL do not.
+
+ """
+ return bool(self.hash_options)
+
+ def hashes(self, trust_internet: bool = True) -> Hashes:
+ """Return a hash-comparer that considers my option- and URL-based
+ hashes to be known-good.
+
+ Hashes in URLs--ones embedded in the requirements file, not ones
+ downloaded from an index server--are almost peers with ones from
+ flags. They satisfy --require-hashes (whether it was implicitly or
+ explicitly activated) but do not activate it. md5 and sha224 are not
+ allowed in flags, which should nudge people toward good algos. We
+ always OR all hashes together, even ones from URLs.
+
+ :param trust_internet: Whether to trust URL-based (#md5=...) hashes
+ downloaded from the internet, as by populate_link()
+
+ """
+ good_hashes = self.hash_options.copy()
+ link = self.link if trust_internet else self.original_link
+ if link and link.hash:
+ good_hashes.setdefault(link.hash_name, []).append(link.hash)
+ return Hashes(good_hashes)
+
+ def from_path(self) -> Optional[str]:
+ """Format a nice indicator to show where this "comes from"
+ """
+ if self.req is None:
+ return None
+ s = str(self.req)
+ if self.comes_from:
+ if isinstance(self.comes_from, str):
+ comes_from = self.comes_from
+ else:
+ comes_from = self.comes_from.from_path()
+ if comes_from:
+ s += '->' + comes_from
+ return s
+
+ def ensure_build_location(
+ self, build_dir: str, autodelete: bool, parallel_builds: bool
+ ) -> str:
+ assert build_dir is not None
+ if self._temp_build_dir is not None:
+ assert self._temp_build_dir.path
+ return self._temp_build_dir.path
+ if self.req is None:
+ # Some systems have /tmp as a symlink which confuses custom
+ # builds (such as numpy). Thus, we ensure that the real path
+ # is returned.
+ self._temp_build_dir = TempDirectory(
+ kind=tempdir_kinds.REQ_BUILD, globally_managed=True
+ )
+
+ return self._temp_build_dir.path
+
+ # This is the only remaining place where we manually determine the path
+ # for the temporary directory. It is only needed for editables where
+ # it is the value of the --src option.
+
+ # When parallel builds are enabled, add a UUID to the build directory
+ # name so multiple builds do not interfere with each other.
+ dir_name: str = canonicalize_name(self.name)
+ if parallel_builds:
+ dir_name = f"{dir_name}_{uuid.uuid4().hex}"
+
+ # FIXME: Is there a better place to create the build_dir? (hg and bzr
+ # need this)
+ if not os.path.exists(build_dir):
+ logger.debug('Creating directory %s', build_dir)
+ os.makedirs(build_dir)
+ actual_build_dir = os.path.join(build_dir, dir_name)
+ # `None` indicates that we respect the globally-configured deletion
+ # settings, which is what we actually want when auto-deleting.
+ delete_arg = None if autodelete else False
+ return TempDirectory(
+ path=actual_build_dir,
+ delete=delete_arg,
+ kind=tempdir_kinds.REQ_BUILD,
+ globally_managed=True,
+ ).path
+
+ def _set_requirement(self) -> None:
+ """Set requirement after generating metadata.
+ """
+ assert self.req is None
+ assert self.metadata is not None
+ assert self.source_dir is not None
+
+ # Construct a Requirement object from the generated metadata
+ if isinstance(parse_version(self.metadata["Version"]), Version):
+ op = "=="
+ else:
+ op = "==="
+
+ self.req = Requirement(
+ "".join([
+ self.metadata["Name"],
+ op,
+ self.metadata["Version"],
+ ])
+ )
+
+ def warn_on_mismatching_name(self) -> None:
+ metadata_name = canonicalize_name(self.metadata["Name"])
+ if canonicalize_name(self.req.name) == metadata_name:
+ # Everything is fine.
+ return
+
+ # If we're here, there's a mismatch. Log a warning about it.
+ logger.warning(
+ 'Generating metadata for package %s '
+ 'produced metadata for project name %s. Fix your '
+ '#egg=%s fragments.',
+ self.name, metadata_name, self.name
+ )
+ self.req = Requirement(metadata_name)
+
+ def check_if_exists(self, use_user_site: bool) -> None:
+ """Find an installed distribution that satisfies or conflicts
+ with this requirement, and set self.satisfied_by or
+ self.should_reinstall appropriately.
+ """
+ if self.req is None:
+ return
+ existing_dist = get_distribution(self.req.name)
+ if not existing_dist:
+ return
+
+ # pkg_resouces may contain a different copy of packaging.version from
+ # pip in if the downstream distributor does a poor job debundling pip.
+ # We avoid existing_dist.parsed_version and let SpecifierSet.contains
+ # parses the version instead.
+ existing_version = existing_dist.version
+ version_compatible = (
+ existing_version is not None and
+ self.req.specifier.contains(existing_version, prereleases=True)
+ )
+ if not version_compatible:
+ self.satisfied_by = None
+ if use_user_site:
+ if dist_in_usersite(existing_dist):
+ self.should_reinstall = True
+ elif (running_under_virtualenv() and
+ dist_in_site_packages(existing_dist)):
+ raise InstallationError(
+ "Will not install to the user site because it will "
+ "lack sys.path precedence to {} in {}".format(
+ existing_dist.project_name, existing_dist.location)
+ )
+ else:
+ self.should_reinstall = True
+ else:
+ if self.editable:
+ self.should_reinstall = True
+ # when installing editables, nothing pre-existing should ever
+ # satisfy
+ self.satisfied_by = None
+ else:
+ self.satisfied_by = existing_dist
+
+ # Things valid for wheels
+ @property
+ def is_wheel(self) -> bool:
+ if not self.link:
+ return False
+ return self.link.is_wheel
+
+ # Things valid for sdists
+ @property
+ def unpacked_source_directory(self) -> str:
+ return os.path.join(
+ self.source_dir,
+ self.link and self.link.subdirectory_fragment or '')
+
+ @property
+ def setup_py_path(self) -> str:
+ assert self.source_dir, f"No source dir for {self}"
+ setup_py = os.path.join(self.unpacked_source_directory, 'setup.py')
+
+ return setup_py
+
+ @property
+ def pyproject_toml_path(self) -> str:
+ assert self.source_dir, f"No source dir for {self}"
+ return make_pyproject_path(self.unpacked_source_directory)
+
+ def load_pyproject_toml(self) -> None:
+ """Load the pyproject.toml file.
+
+ After calling this routine, all of the attributes related to PEP 517
+ processing for this requirement have been set. In particular, the
+ use_pep517 attribute can be used to determine whether we should
+ follow the PEP 517 or legacy (setup.py) code path.
+ """
+ pyproject_toml_data = load_pyproject_toml(
+ self.use_pep517,
+ self.pyproject_toml_path,
+ self.setup_py_path,
+ str(self)
+ )
+
+ if pyproject_toml_data is None:
+ self.use_pep517 = False
+ return
+
+ self.use_pep517 = True
+ requires, backend, check, backend_path = pyproject_toml_data
+ self.requirements_to_check = check
+ self.pyproject_requires = requires
+ self.pep517_backend = Pep517HookCaller(
+ self.unpacked_source_directory, backend, backend_path=backend_path,
+ )
+
+ def _generate_metadata(self) -> str:
+ """Invokes metadata generator functions, with the required arguments.
+ """
+ if not self.use_pep517:
+ assert self.unpacked_source_directory
+
+ if not os.path.exists(self.setup_py_path):
+ raise InstallationError(
+ f'File "setup.py" not found for legacy project {self}.'
+ )
+
+ return generate_metadata_legacy(
+ build_env=self.build_env,
+ setup_py_path=self.setup_py_path,
+ source_dir=self.unpacked_source_directory,
+ isolated=self.isolated,
+ details=self.name or f"from {self.link}"
+ )
+
+ assert self.pep517_backend is not None
+
+ return generate_metadata(
+ build_env=self.build_env,
+ backend=self.pep517_backend,
+ )
+
+ def prepare_metadata(self) -> None:
+ """Ensure that project metadata is available.
+
+ Under PEP 517, call the backend hook to prepare the metadata.
+ Under legacy processing, call setup.py egg-info.
+ """
+ assert self.source_dir
+
+ with indent_log():
+ self.metadata_directory = self._generate_metadata()
+
+ # Act on the newly generated metadata, based on the name and version.
+ if not self.name:
+ self._set_requirement()
+ else:
+ self.warn_on_mismatching_name()
+
+ self.assert_source_matches_version()
+
+ @property
+ def metadata(self) -> Any:
+ if not hasattr(self, '_metadata'):
+ self._metadata = get_metadata(self.get_dist())
+
+ return self._metadata
+
+ def get_dist(self) -> Distribution:
+ return _get_dist(self.metadata_directory)
+
+ def assert_source_matches_version(self) -> None:
+ assert self.source_dir
+ version = self.metadata['version']
+ if self.req.specifier and version not in self.req.specifier:
+ logger.warning(
+ 'Requested %s, but installing version %s',
+ self,
+ version,
+ )
+ else:
+ logger.debug(
+ 'Source in %s has version %s, which satisfies requirement %s',
+ display_path(self.source_dir),
+ version,
+ self,
+ )
+
+ # For both source distributions and editables
+ def ensure_has_source_dir(
+ self,
+ parent_dir: str,
+ autodelete: bool = False,
+ parallel_builds: bool = False,
+ ) -> None:
+ """Ensure that a source_dir is set.
+
+ This will create a temporary build dir if the name of the requirement
+ isn't known yet.
+
+ :param parent_dir: The ideal pip parent_dir for the source_dir.
+ Generally src_dir for editables and build_dir for sdists.
+ :return: self.source_dir
+ """
+ if self.source_dir is None:
+ self.source_dir = self.ensure_build_location(
+ parent_dir,
+ autodelete=autodelete,
+ parallel_builds=parallel_builds,
+ )
+
+ # For editable installations
+ def update_editable(self) -> None:
+ if not self.link:
+ logger.debug(
+ "Cannot update repository at %s; repository location is "
+ "unknown",
+ self.source_dir,
+ )
+ return
+ assert self.editable
+ assert self.source_dir
+ if self.link.scheme == 'file':
+ # Static paths don't get updated
+ return
+ vcs_backend = vcs.get_backend_for_scheme(self.link.scheme)
+ # Editable requirements are validated in Requirement constructors.
+ # So here, if it's neither a path nor a valid VCS URL, it's a bug.
+ assert vcs_backend, f"Unsupported VCS URL {self.link.url}"
+ hidden_url = hide_url(self.link.url)
+ vcs_backend.obtain(self.source_dir, url=hidden_url)
+
+ # Top-level Actions
+ def uninstall(
+ self, auto_confirm: bool = False, verbose: bool = False
+ ) -> Optional[UninstallPathSet]:
+ """
+ Uninstall the distribution currently satisfying this requirement.
+
+ Prompts before removing or modifying files unless
+ ``auto_confirm`` is True.
+
+ Refuses to delete or modify files outside of ``sys.prefix`` -
+ thus uninstallation within a virtual environment can only
+ modify that virtual environment, even if the virtualenv is
+ linked to global site-packages.
+
+ """
+ assert self.req
+ dist = get_distribution(self.req.name)
+ if not dist:
+ logger.warning("Skipping %s as it is not installed.", self.name)
+ return None
+ logger.info('Found existing installation: %s', dist)
+
+ uninstalled_pathset = UninstallPathSet.from_dist(dist)
+ uninstalled_pathset.remove(auto_confirm, verbose)
+ return uninstalled_pathset
+
+ def _get_archive_name(self, path: str, parentdir: str, rootdir: str) -> str:
+
+ def _clean_zip_name(name: str, prefix: str) -> str:
+ assert name.startswith(prefix + os.path.sep), (
+ f"name {name!r} doesn't start with prefix {prefix!r}"
+ )
+ name = name[len(prefix) + 1:]
+ name = name.replace(os.path.sep, '/')
+ return name
+
+ path = os.path.join(parentdir, path)
+ name = _clean_zip_name(path, rootdir)
+ return self.name + '/' + name
+
+ def archive(self, build_dir: Optional[str]) -> None:
+ """Saves archive to provided build_dir.
+
+ Used for saving downloaded VCS requirements as part of `pip download`.
+ """
+ assert self.source_dir
+ if build_dir is None:
+ return
+
+ create_archive = True
+ archive_name = '{}-{}.zip'.format(self.name, self.metadata["version"])
+ archive_path = os.path.join(build_dir, archive_name)
+
+ if os.path.exists(archive_path):
+ response = ask_path_exists(
+ 'The file {} exists. (i)gnore, (w)ipe, '
+ '(b)ackup, (a)bort '.format(
+ display_path(archive_path)),
+ ('i', 'w', 'b', 'a'))
+ if response == 'i':
+ create_archive = False
+ elif response == 'w':
+ logger.warning('Deleting %s', display_path(archive_path))
+ os.remove(archive_path)
+ elif response == 'b':
+ dest_file = backup_dir(archive_path)
+ logger.warning(
+ 'Backing up %s to %s',
+ display_path(archive_path),
+ display_path(dest_file),
+ )
+ shutil.move(archive_path, dest_file)
+ elif response == 'a':
+ sys.exit(-1)
+
+ if not create_archive:
+ return
+
+ zip_output = zipfile.ZipFile(
+ archive_path, 'w', zipfile.ZIP_DEFLATED, allowZip64=True,
+ )
+ with zip_output:
+ dir = os.path.normcase(
+ os.path.abspath(self.unpacked_source_directory)
+ )
+ for dirpath, dirnames, filenames in os.walk(dir):
+ for dirname in dirnames:
+ dir_arcname = self._get_archive_name(
+ dirname, parentdir=dirpath, rootdir=dir,
+ )
+ zipdir = zipfile.ZipInfo(dir_arcname + '/')
+ zipdir.external_attr = 0x1ED << 16 # 0o755
+ zip_output.writestr(zipdir, '')
+ for filename in filenames:
+ file_arcname = self._get_archive_name(
+ filename, parentdir=dirpath, rootdir=dir,
+ )
+ filename = os.path.join(dirpath, filename)
+ zip_output.write(filename, file_arcname)
+
+ logger.info('Saved %s', display_path(archive_path))
+
+ def install(
+ self,
+ install_options: List[str],
+ global_options: Optional[Sequence[str]] = None,
+ root: Optional[str] = None,
+ home: Optional[str] = None,
+ prefix: Optional[str] = None,
+ warn_script_location: bool = True,
+ use_user_site: bool = False,
+ pycompile: bool = True
+ ) -> None:
+ scheme = get_scheme(
+ self.name,
+ user=use_user_site,
+ home=home,
+ root=root,
+ isolated=self.isolated,
+ prefix=prefix,
+ )
+
+ global_options = global_options if global_options is not None else []
+ if self.editable:
+ install_editable_legacy(
+ install_options,
+ global_options,
+ prefix=prefix,
+ home=home,
+ use_user_site=use_user_site,
+ name=self.name,
+ setup_py_path=self.setup_py_path,
+ isolated=self.isolated,
+ build_env=self.build_env,
+ unpacked_source_directory=self.unpacked_source_directory,
+ )
+ self.install_succeeded = True
+ return
+
+ if self.is_wheel:
+ assert self.local_file_path
+ direct_url = None
+ if self.original_link:
+ direct_url = direct_url_from_link(
+ self.original_link,
+ self.source_dir,
+ self.original_link_is_in_wheel_cache,
+ )
+ install_wheel(
+ self.name,
+ self.local_file_path,
+ scheme=scheme,
+ req_description=str(self.req),
+ pycompile=pycompile,
+ warn_script_location=warn_script_location,
+ direct_url=direct_url,
+ requested=self.user_supplied,
+ )
+ self.install_succeeded = True
+ return
+
+ # TODO: Why don't we do this for editable installs?
+
+ # Extend the list of global and install options passed on to
+ # the setup.py call with the ones from the requirements file.
+ # Options specified in requirements file override those
+ # specified on the command line, since the last option given
+ # to setup.py is the one that is used.
+ global_options = list(global_options) + self.global_options
+ install_options = list(install_options) + self.install_options
+
+ try:
+ success = install_legacy(
+ install_options=install_options,
+ global_options=global_options,
+ root=root,
+ home=home,
+ prefix=prefix,
+ use_user_site=use_user_site,
+ pycompile=pycompile,
+ scheme=scheme,
+ setup_py_path=self.setup_py_path,
+ isolated=self.isolated,
+ req_name=self.name,
+ build_env=self.build_env,
+ unpacked_source_directory=self.unpacked_source_directory,
+ req_description=str(self.req),
+ )
+ except LegacyInstallFailure as exc:
+ self.install_succeeded = False
+ six.reraise(*exc.parent)
+ except Exception:
+ self.install_succeeded = True
+ raise
+
+ self.install_succeeded = success
+
+ if success and self.legacy_install_reason == 8368:
+ deprecated(
+ reason=(
+ "{} was installed using the legacy 'setup.py install' "
+ "method, because a wheel could not be built for it.".
+ format(self.name)
+ ),
+ replacement="to fix the wheel build issue reported above",
+ gone_in=None,
+ issue=8368,
+ )
+
+
+def check_invalid_constraint_type(req: InstallRequirement) -> str:
+
+ # Check for unsupported forms
+ problem = ""
+ if not req.name:
+ problem = "Unnamed requirements are not allowed as constraints"
+ elif req.editable:
+ problem = "Editable requirements are not allowed as constraints"
+ elif req.extras:
+ problem = "Constraints cannot have extras"
+
+ if problem:
+ deprecated(
+ reason=(
+ "Constraints are only allowed to take the form of a package "
+ "name and a version specifier. Other forms were originally "
+ "permitted as an accident of the implementation, but were "
+ "undocumented. The new implementation of the resolver no "
+ "longer supports these forms."
+ ),
+ replacement="replacing the constraint with a requirement",
+ # No plan yet for when the new resolver becomes default
+ gone_in=None,
+ issue=8210,
+ )
+
+ return problem
diff --git a/Scripts/Lib/site-packages/pip/_internal/req/req_set.py b/Scripts/Lib/site-packages/pip/_internal/req/req_set.py
new file mode 100644
index 0000000..39a2b01
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/req/req_set.py
@@ -0,0 +1,190 @@
+import logging
+from collections import OrderedDict
+from typing import Dict, Iterable, List, Optional, Tuple
+
+from pip._vendor.packaging.utils import canonicalize_name
+
+from pip._internal.exceptions import InstallationError
+from pip._internal.models.wheel import Wheel
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.utils import compatibility_tags
+
+logger = logging.getLogger(__name__)
+
+
+class RequirementSet:
+
+ def __init__(self, check_supported_wheels: bool = True) -> None:
+ """Create a RequirementSet.
+ """
+
+ self.requirements: Dict[str, InstallRequirement] = OrderedDict()
+ self.check_supported_wheels = check_supported_wheels
+
+ self.unnamed_requirements: List[InstallRequirement] = []
+
+ def __str__(self) -> str:
+ requirements = sorted(
+ (req for req in self.requirements.values() if not req.comes_from),
+ key=lambda req: canonicalize_name(req.name or ""),
+ )
+ return ' '.join(str(req.req) for req in requirements)
+
+ def __repr__(self) -> str:
+ requirements = sorted(
+ self.requirements.values(),
+ key=lambda req: canonicalize_name(req.name or ""),
+ )
+
+ format_string = '<{classname} object; {count} requirement(s): {reqs}>'
+ return format_string.format(
+ classname=self.__class__.__name__,
+ count=len(requirements),
+ reqs=', '.join(str(req.req) for req in requirements),
+ )
+
+ def add_unnamed_requirement(self, install_req: InstallRequirement) -> None:
+ assert not install_req.name
+ self.unnamed_requirements.append(install_req)
+
+ def add_named_requirement(self, install_req: InstallRequirement) -> None:
+ assert install_req.name
+
+ project_name = canonicalize_name(install_req.name)
+ self.requirements[project_name] = install_req
+
+ def add_requirement(
+ self,
+ install_req: InstallRequirement,
+ parent_req_name: Optional[str] = None,
+ extras_requested: Optional[Iterable[str]] = None
+ ) -> Tuple[List[InstallRequirement], Optional[InstallRequirement]]:
+ """Add install_req as a requirement to install.
+
+ :param parent_req_name: The name of the requirement that needed this
+ added. The name is used because when multiple unnamed requirements
+ resolve to the same name, we could otherwise end up with dependency
+ links that point outside the Requirements set. parent_req must
+ already be added. Note that None implies that this is a user
+ supplied requirement, vs an inferred one.
+ :param extras_requested: an iterable of extras used to evaluate the
+ environment markers.
+ :return: Additional requirements to scan. That is either [] if
+ the requirement is not applicable, or [install_req] if the
+ requirement is applicable and has just been added.
+ """
+ # If the markers do not match, ignore this requirement.
+ if not install_req.match_markers(extras_requested):
+ logger.info(
+ "Ignoring %s: markers '%s' don't match your environment",
+ install_req.name, install_req.markers,
+ )
+ return [], None
+
+ # If the wheel is not supported, raise an error.
+ # Should check this after filtering out based on environment markers to
+ # allow specifying different wheels based on the environment/OS, in a
+ # single requirements file.
+ if install_req.link and install_req.link.is_wheel:
+ wheel = Wheel(install_req.link.filename)
+ tags = compatibility_tags.get_supported()
+ if (self.check_supported_wheels and not wheel.supported(tags)):
+ raise InstallationError(
+ "{} is not a supported wheel on this platform.".format(
+ wheel.filename)
+ )
+
+ # This next bit is really a sanity check.
+ assert not install_req.user_supplied or parent_req_name is None, (
+ "a user supplied req shouldn't have a parent"
+ )
+
+ # Unnamed requirements are scanned again and the requirement won't be
+ # added as a dependency until after scanning.
+ if not install_req.name:
+ self.add_unnamed_requirement(install_req)
+ return [install_req], None
+
+ try:
+ existing_req: Optional[InstallRequirement] = self.get_requirement(
+ install_req.name)
+ except KeyError:
+ existing_req = None
+
+ has_conflicting_requirement = (
+ parent_req_name is None and
+ existing_req and
+ not existing_req.constraint and
+ existing_req.extras == install_req.extras and
+ existing_req.req and
+ install_req.req and
+ existing_req.req.specifier != install_req.req.specifier
+ )
+ if has_conflicting_requirement:
+ raise InstallationError(
+ "Double requirement given: {} (already in {}, name={!r})"
+ .format(install_req, existing_req, install_req.name)
+ )
+
+ # When no existing requirement exists, add the requirement as a
+ # dependency and it will be scanned again after.
+ if not existing_req:
+ self.add_named_requirement(install_req)
+ # We'd want to rescan this requirement later
+ return [install_req], install_req
+
+ # Assume there's no need to scan, and that we've already
+ # encountered this for scanning.
+ if install_req.constraint or not existing_req.constraint:
+ return [], existing_req
+
+ does_not_satisfy_constraint = (
+ install_req.link and
+ not (
+ existing_req.link and
+ install_req.link.path == existing_req.link.path
+ )
+ )
+ if does_not_satisfy_constraint:
+ raise InstallationError(
+ "Could not satisfy constraints for '{}': "
+ "installation from path or url cannot be "
+ "constrained to a version".format(install_req.name)
+ )
+ # If we're now installing a constraint, mark the existing
+ # object for real installation.
+ existing_req.constraint = False
+ # If we're now installing a user supplied requirement,
+ # mark the existing object as such.
+ if install_req.user_supplied:
+ existing_req.user_supplied = True
+ existing_req.extras = tuple(sorted(
+ set(existing_req.extras) | set(install_req.extras)
+ ))
+ logger.debug(
+ "Setting %s extras to: %s",
+ existing_req, existing_req.extras,
+ )
+ # Return the existing requirement for addition to the parent and
+ # scanning again.
+ return [existing_req], existing_req
+
+ def has_requirement(self, name: str) -> bool:
+ project_name = canonicalize_name(name)
+
+ return (
+ project_name in self.requirements and
+ not self.requirements[project_name].constraint
+ )
+
+ def get_requirement(self, name: str) -> InstallRequirement:
+ project_name = canonicalize_name(name)
+
+ if project_name in self.requirements:
+ return self.requirements[project_name]
+
+ raise KeyError(f"No project with the name {name!r}")
+
+ @property
+ def all_requirements(self) -> List[InstallRequirement]:
+ return self.unnamed_requirements + list(self.requirements.values())
diff --git a/Scripts/Lib/site-packages/pip/_internal/req/req_tracker.py b/Scripts/Lib/site-packages/pip/_internal/req/req_tracker.py
new file mode 100644
index 0000000..27c6baf
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/req/req_tracker.py
@@ -0,0 +1,130 @@
+import contextlib
+import hashlib
+import logging
+import os
+from types import TracebackType
+from typing import Dict, Iterator, Optional, Set, Type, Union
+
+from pip._internal.models.link import Link
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.utils.temp_dir import TempDirectory
+
+logger = logging.getLogger(__name__)
+
+
+@contextlib.contextmanager
+def update_env_context_manager(**changes: str) -> Iterator[None]:
+ target = os.environ
+
+ # Save values from the target and change them.
+ non_existent_marker = object()
+ saved_values: Dict[str, Union[object, str]] = {}
+ for name, new_value in changes.items():
+ try:
+ saved_values[name] = target[name]
+ except KeyError:
+ saved_values[name] = non_existent_marker
+ target[name] = new_value
+
+ try:
+ yield
+ finally:
+ # Restore original values in the target.
+ for name, original_value in saved_values.items():
+ if original_value is non_existent_marker:
+ del target[name]
+ else:
+ assert isinstance(original_value, str) # for mypy
+ target[name] = original_value
+
+
+@contextlib.contextmanager
+def get_requirement_tracker() -> Iterator["RequirementTracker"]:
+ root = os.environ.get('PIP_REQ_TRACKER')
+ with contextlib.ExitStack() as ctx:
+ if root is None:
+ root = ctx.enter_context(
+ TempDirectory(kind='req-tracker')
+ ).path
+ ctx.enter_context(update_env_context_manager(PIP_REQ_TRACKER=root))
+ logger.debug("Initialized build tracking at %s", root)
+
+ with RequirementTracker(root) as tracker:
+ yield tracker
+
+
+class RequirementTracker:
+
+ def __init__(self, root: str) -> None:
+ self._root = root
+ self._entries: Set[InstallRequirement] = set()
+ logger.debug("Created build tracker: %s", self._root)
+
+ def __enter__(self) -> "RequirementTracker":
+ logger.debug("Entered build tracker: %s", self._root)
+ return self
+
+ def __exit__(
+ self,
+ exc_type: Optional[Type[BaseException]],
+ exc_val: Optional[BaseException],
+ exc_tb: Optional[TracebackType]
+ ) -> None:
+ self.cleanup()
+
+ def _entry_path(self, link: Link) -> str:
+ hashed = hashlib.sha224(link.url_without_fragment.encode()).hexdigest()
+ return os.path.join(self._root, hashed)
+
+ def add(self, req: InstallRequirement) -> None:
+ """Add an InstallRequirement to build tracking.
+ """
+
+ assert req.link
+ # Get the file to write information about this requirement.
+ entry_path = self._entry_path(req.link)
+
+ # Try reading from the file. If it exists and can be read from, a build
+ # is already in progress, so a LookupError is raised.
+ try:
+ with open(entry_path) as fp:
+ contents = fp.read()
+ except FileNotFoundError:
+ pass
+ else:
+ message = '{} is already being built: {}'.format(
+ req.link, contents)
+ raise LookupError(message)
+
+ # If we're here, req should really not be building already.
+ assert req not in self._entries
+
+ # Start tracking this requirement.
+ with open(entry_path, 'w', encoding="utf-8") as fp:
+ fp.write(str(req))
+ self._entries.add(req)
+
+ logger.debug('Added %s to build tracker %r', req, self._root)
+
+ def remove(self, req: InstallRequirement) -> None:
+ """Remove an InstallRequirement from build tracking.
+ """
+
+ assert req.link
+ # Delete the created file and the corresponding entries.
+ os.unlink(self._entry_path(req.link))
+ self._entries.remove(req)
+
+ logger.debug('Removed %s from build tracker %r', req, self._root)
+
+ def cleanup(self) -> None:
+ for req in set(self._entries):
+ self.remove(req)
+
+ logger.debug("Removed build tracker: %r", self._root)
+
+ @contextlib.contextmanager
+ def track(self, req: InstallRequirement) -> Iterator[None]:
+ self.add(req)
+ yield
+ self.remove(req)
diff --git a/Scripts/Lib/site-packages/pip/_internal/req/req_uninstall.py b/Scripts/Lib/site-packages/pip/_internal/req/req_uninstall.py
new file mode 100644
index 0000000..0c51c84
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/req/req_uninstall.py
@@ -0,0 +1,629 @@
+import csv
+import functools
+import os
+import sys
+import sysconfig
+from importlib.util import cache_from_source
+from typing import Any, Callable, Dict, Iterable, Iterator, List, Optional, Set, Tuple
+
+from pip._vendor import pkg_resources
+from pip._vendor.pkg_resources import Distribution
+
+from pip._internal.exceptions import UninstallationError
+from pip._internal.locations import get_bin_prefix, get_bin_user
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.logging import getLogger, indent_log
+from pip._internal.utils.misc import (
+ ask,
+ dist_in_usersite,
+ dist_is_local,
+ egg_link_path,
+ is_local,
+ normalize_path,
+ renames,
+ rmtree,
+)
+from pip._internal.utils.temp_dir import AdjacentTempDirectory, TempDirectory
+
+logger = getLogger(__name__)
+
+
+def _script_names(dist: Distribution, script_name: str, is_gui: bool) -> List[str]:
+ """Create the fully qualified name of the files created by
+ {console,gui}_scripts for the given ``dist``.
+ Returns the list of file names
+ """
+ if dist_in_usersite(dist):
+ bin_dir = get_bin_user()
+ else:
+ bin_dir = get_bin_prefix()
+ exe_name = os.path.join(bin_dir, script_name)
+ paths_to_remove = [exe_name]
+ if WINDOWS:
+ paths_to_remove.append(exe_name + '.exe')
+ paths_to_remove.append(exe_name + '.exe.manifest')
+ if is_gui:
+ paths_to_remove.append(exe_name + '-script.pyw')
+ else:
+ paths_to_remove.append(exe_name + '-script.py')
+ return paths_to_remove
+
+
+def _unique(fn: Callable[..., Iterator[Any]]) -> Callable[..., Iterator[Any]]:
+ @functools.wraps(fn)
+ def unique(*args: Any, **kw: Any) -> Iterator[Any]:
+ seen: Set[Any] = set()
+ for item in fn(*args, **kw):
+ if item not in seen:
+ seen.add(item)
+ yield item
+ return unique
+
+
+@_unique
+def uninstallation_paths(dist: Distribution) -> Iterator[str]:
+ """
+ Yield all the uninstallation paths for dist based on RECORD-without-.py[co]
+
+ Yield paths to all the files in RECORD. For each .py file in RECORD, add
+ the .pyc and .pyo in the same directory.
+
+ UninstallPathSet.add() takes care of the __pycache__ .py[co].
+
+ If RECORD is not found, raises UninstallationError,
+ with possible information from the INSTALLER file.
+
+ https://packaging.python.org/specifications/recording-installed-packages/
+ """
+ try:
+ r = csv.reader(dist.get_metadata_lines('RECORD'))
+ except FileNotFoundError as missing_record_exception:
+ msg = 'Cannot uninstall {dist}, RECORD file not found.'.format(dist=dist)
+ try:
+ installer = next(dist.get_metadata_lines('INSTALLER'))
+ if not installer or installer == 'pip':
+ raise ValueError()
+ except (OSError, StopIteration, ValueError):
+ dep = '{}=={}'.format(dist.project_name, dist.version)
+ msg += (" You might be able to recover from this via: "
+ "'pip install --force-reinstall --no-deps {}'.".format(dep))
+ else:
+ msg += ' Hint: The package was installed by {}.'.format(installer)
+ raise UninstallationError(msg) from missing_record_exception
+ for row in r:
+ path = os.path.join(dist.location, row[0])
+ yield path
+ if path.endswith('.py'):
+ dn, fn = os.path.split(path)
+ base = fn[:-3]
+ path = os.path.join(dn, base + '.pyc')
+ yield path
+ path = os.path.join(dn, base + '.pyo')
+ yield path
+
+
+def compact(paths: Iterable[str]) -> Set[str]:
+ """Compact a path set to contain the minimal number of paths
+ necessary to contain all paths in the set. If /a/path/ and
+ /a/path/to/a/file.txt are both in the set, leave only the
+ shorter path."""
+
+ sep = os.path.sep
+ short_paths: Set[str] = set()
+ for path in sorted(paths, key=len):
+ should_skip = any(
+ path.startswith(shortpath.rstrip("*")) and
+ path[len(shortpath.rstrip("*").rstrip(sep))] == sep
+ for shortpath in short_paths
+ )
+ if not should_skip:
+ short_paths.add(path)
+ return short_paths
+
+
+def compress_for_rename(paths: Iterable[str]) -> Set[str]:
+ """Returns a set containing the paths that need to be renamed.
+
+ This set may include directories when the original sequence of paths
+ included every file on disk.
+ """
+ case_map = {os.path.normcase(p): p for p in paths}
+ remaining = set(case_map)
+ unchecked = sorted({os.path.split(p)[0] for p in case_map.values()}, key=len)
+ wildcards: Set[str] = set()
+
+ def norm_join(*a: str) -> str:
+ return os.path.normcase(os.path.join(*a))
+
+ for root in unchecked:
+ if any(os.path.normcase(root).startswith(w)
+ for w in wildcards):
+ # This directory has already been handled.
+ continue
+
+ all_files: Set[str] = set()
+ all_subdirs: Set[str] = set()
+ for dirname, subdirs, files in os.walk(root):
+ all_subdirs.update(norm_join(root, dirname, d)
+ for d in subdirs)
+ all_files.update(norm_join(root, dirname, f)
+ for f in files)
+ # If all the files we found are in our remaining set of files to
+ # remove, then remove them from the latter set and add a wildcard
+ # for the directory.
+ if not (all_files - remaining):
+ remaining.difference_update(all_files)
+ wildcards.add(root + os.sep)
+
+ return set(map(case_map.__getitem__, remaining)) | wildcards
+
+
+def compress_for_output_listing(paths: Iterable[str]) -> Tuple[Set[str], Set[str]]:
+ """Returns a tuple of 2 sets of which paths to display to user
+
+ The first set contains paths that would be deleted. Files of a package
+ are not added and the top-level directory of the package has a '*' added
+ at the end - to signify that all it's contents are removed.
+
+ The second set contains files that would have been skipped in the above
+ folders.
+ """
+
+ will_remove = set(paths)
+ will_skip = set()
+
+ # Determine folders and files
+ folders = set()
+ files = set()
+ for path in will_remove:
+ if path.endswith(".pyc"):
+ continue
+ if path.endswith("__init__.py") or ".dist-info" in path:
+ folders.add(os.path.dirname(path))
+ files.add(path)
+
+ # probably this one https://github.com/python/mypy/issues/390
+ _normcased_files = set(map(os.path.normcase, files)) # type: ignore
+
+ folders = compact(folders)
+
+ # This walks the tree using os.walk to not miss extra folders
+ # that might get added.
+ for folder in folders:
+ for dirpath, _, dirfiles in os.walk(folder):
+ for fname in dirfiles:
+ if fname.endswith(".pyc"):
+ continue
+
+ file_ = os.path.join(dirpath, fname)
+ if (os.path.isfile(file_) and
+ os.path.normcase(file_) not in _normcased_files):
+ # We are skipping this file. Add it to the set.
+ will_skip.add(file_)
+
+ will_remove = files | {
+ os.path.join(folder, "*") for folder in folders
+ }
+
+ return will_remove, will_skip
+
+
+class StashedUninstallPathSet:
+ """A set of file rename operations to stash files while
+ tentatively uninstalling them."""
+ def __init__(self) -> None:
+ # Mapping from source file root to [Adjacent]TempDirectory
+ # for files under that directory.
+ self._save_dirs: Dict[str, TempDirectory] = {}
+ # (old path, new path) tuples for each move that may need
+ # to be undone.
+ self._moves: List[Tuple[str, str]] = []
+
+ def _get_directory_stash(self, path: str) -> str:
+ """Stashes a directory.
+
+ Directories are stashed adjacent to their original location if
+ possible, or else moved/copied into the user's temp dir."""
+
+ try:
+ save_dir: TempDirectory = AdjacentTempDirectory(path)
+ except OSError:
+ save_dir = TempDirectory(kind="uninstall")
+ self._save_dirs[os.path.normcase(path)] = save_dir
+
+ return save_dir.path
+
+ def _get_file_stash(self, path: str) -> str:
+ """Stashes a file.
+
+ If no root has been provided, one will be created for the directory
+ in the user's temp directory."""
+ path = os.path.normcase(path)
+ head, old_head = os.path.dirname(path), None
+ save_dir = None
+
+ while head != old_head:
+ try:
+ save_dir = self._save_dirs[head]
+ break
+ except KeyError:
+ pass
+ head, old_head = os.path.dirname(head), head
+ else:
+ # Did not find any suitable root
+ head = os.path.dirname(path)
+ save_dir = TempDirectory(kind='uninstall')
+ self._save_dirs[head] = save_dir
+
+ relpath = os.path.relpath(path, head)
+ if relpath and relpath != os.path.curdir:
+ return os.path.join(save_dir.path, relpath)
+ return save_dir.path
+
+ def stash(self, path: str) -> str:
+ """Stashes the directory or file and returns its new location.
+ Handle symlinks as files to avoid modifying the symlink targets.
+ """
+ path_is_dir = os.path.isdir(path) and not os.path.islink(path)
+ if path_is_dir:
+ new_path = self._get_directory_stash(path)
+ else:
+ new_path = self._get_file_stash(path)
+
+ self._moves.append((path, new_path))
+ if (path_is_dir and os.path.isdir(new_path)):
+ # If we're moving a directory, we need to
+ # remove the destination first or else it will be
+ # moved to inside the existing directory.
+ # We just created new_path ourselves, so it will
+ # be removable.
+ os.rmdir(new_path)
+ renames(path, new_path)
+ return new_path
+
+ def commit(self) -> None:
+ """Commits the uninstall by removing stashed files."""
+ for _, save_dir in self._save_dirs.items():
+ save_dir.cleanup()
+ self._moves = []
+ self._save_dirs = {}
+
+ def rollback(self) -> None:
+ """Undoes the uninstall by moving stashed files back."""
+ for p in self._moves:
+ logger.info("Moving to %s\n from %s", *p)
+
+ for new_path, path in self._moves:
+ try:
+ logger.debug('Replacing %s from %s', new_path, path)
+ if os.path.isfile(new_path) or os.path.islink(new_path):
+ os.unlink(new_path)
+ elif os.path.isdir(new_path):
+ rmtree(new_path)
+ renames(path, new_path)
+ except OSError as ex:
+ logger.error("Failed to restore %s", new_path)
+ logger.debug("Exception: %s", ex)
+
+ self.commit()
+
+ @property
+ def can_rollback(self) -> bool:
+ return bool(self._moves)
+
+
+class UninstallPathSet:
+ """A set of file paths to be removed in the uninstallation of a
+ requirement."""
+ def __init__(self, dist: Distribution) -> None:
+ self.paths: Set[str] = set()
+ self._refuse: Set[str] = set()
+ self.pth: Dict[str, UninstallPthEntries] = {}
+ self.dist = dist
+ self._moved_paths = StashedUninstallPathSet()
+
+ def _permitted(self, path: str) -> bool:
+ """
+ Return True if the given path is one we are permitted to
+ remove/modify, False otherwise.
+
+ """
+ return is_local(path)
+
+ def add(self, path: str) -> None:
+ head, tail = os.path.split(path)
+
+ # we normalize the head to resolve parent directory symlinks, but not
+ # the tail, since we only want to uninstall symlinks, not their targets
+ path = os.path.join(normalize_path(head), os.path.normcase(tail))
+
+ if not os.path.exists(path):
+ return
+ if self._permitted(path):
+ self.paths.add(path)
+ else:
+ self._refuse.add(path)
+
+ # __pycache__ files can show up after 'installed-files.txt' is created,
+ # due to imports
+ if os.path.splitext(path)[1] == '.py':
+ self.add(cache_from_source(path))
+
+ def add_pth(self, pth_file: str, entry: str) -> None:
+ pth_file = normalize_path(pth_file)
+ if self._permitted(pth_file):
+ if pth_file not in self.pth:
+ self.pth[pth_file] = UninstallPthEntries(pth_file)
+ self.pth[pth_file].add(entry)
+ else:
+ self._refuse.add(pth_file)
+
+ def remove(self, auto_confirm: bool = False, verbose: bool = False) -> None:
+ """Remove paths in ``self.paths`` with confirmation (unless
+ ``auto_confirm`` is True)."""
+
+ if not self.paths:
+ logger.info(
+ "Can't uninstall '%s'. No files were found to uninstall.",
+ self.dist.project_name,
+ )
+ return
+
+ dist_name_version = (
+ self.dist.project_name + "-" + self.dist.version
+ )
+ logger.info('Uninstalling %s:', dist_name_version)
+
+ with indent_log():
+ if auto_confirm or self._allowed_to_proceed(verbose):
+ moved = self._moved_paths
+
+ for_rename = compress_for_rename(self.paths)
+
+ for path in sorted(compact(for_rename)):
+ moved.stash(path)
+ logger.verbose('Removing file or directory %s', path)
+
+ for pth in self.pth.values():
+ pth.remove()
+
+ logger.info('Successfully uninstalled %s', dist_name_version)
+
+ def _allowed_to_proceed(self, verbose: bool) -> bool:
+ """Display which files would be deleted and prompt for confirmation
+ """
+
+ def _display(msg: str, paths: Iterable[str]) -> None:
+ if not paths:
+ return
+
+ logger.info(msg)
+ with indent_log():
+ for path in sorted(compact(paths)):
+ logger.info(path)
+
+ if not verbose:
+ will_remove, will_skip = compress_for_output_listing(self.paths)
+ else:
+ # In verbose mode, display all the files that are going to be
+ # deleted.
+ will_remove = set(self.paths)
+ will_skip = set()
+
+ _display('Would remove:', will_remove)
+ _display('Would not remove (might be manually added):', will_skip)
+ _display('Would not remove (outside of prefix):', self._refuse)
+ if verbose:
+ _display('Will actually move:', compress_for_rename(self.paths))
+
+ return ask('Proceed (Y/n)? ', ('y', 'n', '')) != 'n'
+
+ def rollback(self) -> None:
+ """Rollback the changes previously made by remove()."""
+ if not self._moved_paths.can_rollback:
+ logger.error(
+ "Can't roll back %s; was not uninstalled",
+ self.dist.project_name,
+ )
+ return
+ logger.info('Rolling back uninstall of %s', self.dist.project_name)
+ self._moved_paths.rollback()
+ for pth in self.pth.values():
+ pth.rollback()
+
+ def commit(self) -> None:
+ """Remove temporary save dir: rollback will no longer be possible."""
+ self._moved_paths.commit()
+
+ @classmethod
+ def from_dist(cls, dist: Distribution) -> "UninstallPathSet":
+ dist_path = normalize_path(dist.location)
+ if not dist_is_local(dist):
+ logger.info(
+ "Not uninstalling %s at %s, outside environment %s",
+ dist.key,
+ dist_path,
+ sys.prefix,
+ )
+ return cls(dist)
+
+ if dist_path in {p for p in {sysconfig.get_path("stdlib"),
+ sysconfig.get_path("platstdlib")}
+ if p}:
+ logger.info(
+ "Not uninstalling %s at %s, as it is in the standard library.",
+ dist.key,
+ dist_path,
+ )
+ return cls(dist)
+
+ paths_to_remove = cls(dist)
+ develop_egg_link = egg_link_path(dist)
+ develop_egg_link_egg_info = '{}.egg-info'.format(
+ pkg_resources.to_filename(dist.project_name))
+ egg_info_exists = dist.egg_info and os.path.exists(dist.egg_info)
+ # Special case for distutils installed package
+ distutils_egg_info = getattr(dist._provider, 'path', None)
+
+ # Uninstall cases order do matter as in the case of 2 installs of the
+ # same package, pip needs to uninstall the currently detected version
+ if (egg_info_exists and dist.egg_info.endswith('.egg-info') and
+ not dist.egg_info.endswith(develop_egg_link_egg_info)):
+ # if dist.egg_info.endswith(develop_egg_link_egg_info), we
+ # are in fact in the develop_egg_link case
+ paths_to_remove.add(dist.egg_info)
+ if dist.has_metadata('installed-files.txt'):
+ for installed_file in dist.get_metadata(
+ 'installed-files.txt').splitlines():
+ path = os.path.normpath(
+ os.path.join(dist.egg_info, installed_file)
+ )
+ paths_to_remove.add(path)
+ # FIXME: need a test for this elif block
+ # occurs with --single-version-externally-managed/--record outside
+ # of pip
+ elif dist.has_metadata('top_level.txt'):
+ if dist.has_metadata('namespace_packages.txt'):
+ namespaces = dist.get_metadata('namespace_packages.txt')
+ else:
+ namespaces = []
+ for top_level_pkg in [
+ p for p
+ in dist.get_metadata('top_level.txt').splitlines()
+ if p and p not in namespaces]:
+ path = os.path.join(dist.location, top_level_pkg)
+ paths_to_remove.add(path)
+ paths_to_remove.add(path + '.py')
+ paths_to_remove.add(path + '.pyc')
+ paths_to_remove.add(path + '.pyo')
+
+ elif distutils_egg_info:
+ raise UninstallationError(
+ "Cannot uninstall {!r}. It is a distutils installed project "
+ "and thus we cannot accurately determine which files belong "
+ "to it which would lead to only a partial uninstall.".format(
+ dist.project_name,
+ )
+ )
+
+ elif dist.location.endswith('.egg'):
+ # package installed by easy_install
+ # We cannot match on dist.egg_name because it can slightly vary
+ # i.e. setuptools-0.6c11-py2.6.egg vs setuptools-0.6rc11-py2.6.egg
+ paths_to_remove.add(dist.location)
+ easy_install_egg = os.path.split(dist.location)[1]
+ easy_install_pth = os.path.join(os.path.dirname(dist.location),
+ 'easy-install.pth')
+ paths_to_remove.add_pth(easy_install_pth, './' + easy_install_egg)
+
+ elif egg_info_exists and dist.egg_info.endswith('.dist-info'):
+ for path in uninstallation_paths(dist):
+ paths_to_remove.add(path)
+
+ elif develop_egg_link:
+ # develop egg
+ with open(develop_egg_link) as fh:
+ link_pointer = os.path.normcase(fh.readline().strip())
+ assert (link_pointer == dist.location), (
+ 'Egg-link {} does not match installed location of {} '
+ '(at {})'.format(
+ link_pointer, dist.project_name, dist.location)
+ )
+ paths_to_remove.add(develop_egg_link)
+ easy_install_pth = os.path.join(os.path.dirname(develop_egg_link),
+ 'easy-install.pth')
+ paths_to_remove.add_pth(easy_install_pth, dist.location)
+
+ else:
+ logger.debug(
+ 'Not sure how to uninstall: %s - Check: %s',
+ dist, dist.location,
+ )
+
+ # find distutils scripts= scripts
+ if dist.has_metadata('scripts') and dist.metadata_isdir('scripts'):
+ for script in dist.metadata_listdir('scripts'):
+ if dist_in_usersite(dist):
+ bin_dir = get_bin_user()
+ else:
+ bin_dir = get_bin_prefix()
+ paths_to_remove.add(os.path.join(bin_dir, script))
+ if WINDOWS:
+ paths_to_remove.add(os.path.join(bin_dir, script) + '.bat')
+
+ # find console_scripts
+ _scripts_to_remove = []
+ console_scripts = dist.get_entry_map(group='console_scripts')
+ for name in console_scripts.keys():
+ _scripts_to_remove.extend(_script_names(dist, name, False))
+ # find gui_scripts
+ gui_scripts = dist.get_entry_map(group='gui_scripts')
+ for name in gui_scripts.keys():
+ _scripts_to_remove.extend(_script_names(dist, name, True))
+
+ for s in _scripts_to_remove:
+ paths_to_remove.add(s)
+
+ return paths_to_remove
+
+
+class UninstallPthEntries:
+ def __init__(self, pth_file: str) -> None:
+ self.file = pth_file
+ self.entries: Set[str] = set()
+ self._saved_lines: Optional[List[bytes]] = None
+
+ def add(self, entry: str) -> None:
+ entry = os.path.normcase(entry)
+ # On Windows, os.path.normcase converts the entry to use
+ # backslashes. This is correct for entries that describe absolute
+ # paths outside of site-packages, but all the others use forward
+ # slashes.
+ # os.path.splitdrive is used instead of os.path.isabs because isabs
+ # treats non-absolute paths with drive letter markings like c:foo\bar
+ # as absolute paths. It also does not recognize UNC paths if they don't
+ # have more than "\\sever\share". Valid examples: "\\server\share\" or
+ # "\\server\share\folder".
+ if WINDOWS and not os.path.splitdrive(entry)[0]:
+ entry = entry.replace('\\', '/')
+ self.entries.add(entry)
+
+ def remove(self) -> None:
+ logger.verbose('Removing pth entries from %s:', self.file)
+
+ # If the file doesn't exist, log a warning and return
+ if not os.path.isfile(self.file):
+ logger.warning(
+ "Cannot remove entries from nonexistent file %s", self.file
+ )
+ return
+ with open(self.file, 'rb') as fh:
+ # windows uses '\r\n' with py3k, but uses '\n' with py2.x
+ lines = fh.readlines()
+ self._saved_lines = lines
+ if any(b'\r\n' in line for line in lines):
+ endline = '\r\n'
+ else:
+ endline = '\n'
+ # handle missing trailing newline
+ if lines and not lines[-1].endswith(endline.encode("utf-8")):
+ lines[-1] = lines[-1] + endline.encode("utf-8")
+ for entry in self.entries:
+ try:
+ logger.verbose('Removing entry: %s', entry)
+ lines.remove((entry + endline).encode("utf-8"))
+ except ValueError:
+ pass
+ with open(self.file, 'wb') as fh:
+ fh.writelines(lines)
+
+ def rollback(self) -> bool:
+ if self._saved_lines is None:
+ logger.error(
+ 'Cannot roll back changes to %s, none were made', self.file
+ )
+ return False
+ logger.debug('Rolling %s back to previous state', self.file)
+ with open(self.file, 'wb') as fh:
+ fh.writelines(self._saved_lines)
+ return True
diff --git a/Scripts/Lib/site-packages/pip/_internal/resolution/__init__.py b/Scripts/Lib/site-packages/pip/_internal/resolution/__init__.py
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diff --git a/Scripts/Lib/site-packages/pip/_internal/resolution/__pycache__/base.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_internal/resolution/__pycache__/base.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_internal/resolution/base.py b/Scripts/Lib/site-packages/pip/_internal/resolution/base.py
new file mode 100644
index 0000000..3f83ef0
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/resolution/base.py
@@ -0,0 +1,18 @@
+from typing import Callable, List
+
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.req.req_set import RequirementSet
+
+InstallRequirementProvider = Callable[[str, InstallRequirement], InstallRequirement]
+
+
+class BaseResolver:
+ def resolve(
+ self, root_reqs: List[InstallRequirement], check_supported_wheels: bool
+ ) -> RequirementSet:
+ raise NotImplementedError()
+
+ def get_installation_order(
+ self, req_set: RequirementSet
+ ) -> List[InstallRequirement]:
+ raise NotImplementedError()
diff --git a/Scripts/Lib/site-packages/pip/_internal/resolution/legacy/__init__.py b/Scripts/Lib/site-packages/pip/_internal/resolution/legacy/__init__.py
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diff --git a/Scripts/Lib/site-packages/pip/_internal/resolution/legacy/resolver.py b/Scripts/Lib/site-packages/pip/_internal/resolution/legacy/resolver.py
new file mode 100644
index 0000000..4df8f7e
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/resolution/legacy/resolver.py
@@ -0,0 +1,453 @@
+"""Dependency Resolution
+
+The dependency resolution in pip is performed as follows:
+
+for top-level requirements:
+ a. only one spec allowed per project, regardless of conflicts or not.
+ otherwise a "double requirement" exception is raised
+ b. they override sub-dependency requirements.
+for sub-dependencies
+ a. "first found, wins" (where the order is breadth first)
+"""
+
+# The following comment should be removed at some point in the future.
+# mypy: strict-optional=False
+
+import logging
+import sys
+from collections import defaultdict
+from itertools import chain
+from typing import DefaultDict, Iterable, List, Optional, Set, Tuple
+
+from pip._vendor.packaging import specifiers
+from pip._vendor.pkg_resources import Distribution
+
+from pip._internal.cache import WheelCache
+from pip._internal.exceptions import (
+ BestVersionAlreadyInstalled,
+ DistributionNotFound,
+ HashError,
+ HashErrors,
+ UnsupportedPythonVersion,
+)
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.models.link import Link
+from pip._internal.operations.prepare import RequirementPreparer
+from pip._internal.req.req_install import (
+ InstallRequirement,
+ check_invalid_constraint_type,
+)
+from pip._internal.req.req_set import RequirementSet
+from pip._internal.resolution.base import BaseResolver, InstallRequirementProvider
+from pip._internal.utils.compatibility_tags import get_supported
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import dist_in_usersite, normalize_version_info
+from pip._internal.utils.packaging import check_requires_python, get_requires_python
+
+logger = logging.getLogger(__name__)
+
+DiscoveredDependencies = DefaultDict[str, List[InstallRequirement]]
+
+
+def _check_dist_requires_python(
+ dist: Distribution,
+ version_info: Tuple[int, int, int],
+ ignore_requires_python: bool = False,
+) -> None:
+ """
+ Check whether the given Python version is compatible with a distribution's
+ "Requires-Python" value.
+
+ :param version_info: A 3-tuple of ints representing the Python
+ major-minor-micro version to check.
+ :param ignore_requires_python: Whether to ignore the "Requires-Python"
+ value if the given Python version isn't compatible.
+
+ :raises UnsupportedPythonVersion: When the given Python version isn't
+ compatible.
+ """
+ requires_python = get_requires_python(dist)
+ try:
+ is_compatible = check_requires_python(
+ requires_python, version_info=version_info
+ )
+ except specifiers.InvalidSpecifier as exc:
+ logger.warning(
+ "Package %r has an invalid Requires-Python: %s", dist.project_name, exc
+ )
+ return
+
+ if is_compatible:
+ return
+
+ version = ".".join(map(str, version_info))
+ if ignore_requires_python:
+ logger.debug(
+ "Ignoring failed Requires-Python check for package %r: %s not in %r",
+ dist.project_name,
+ version,
+ requires_python,
+ )
+ return
+
+ raise UnsupportedPythonVersion(
+ "Package {!r} requires a different Python: {} not in {!r}".format(
+ dist.project_name, version, requires_python
+ )
+ )
+
+
+class Resolver(BaseResolver):
+ """Resolves which packages need to be installed/uninstalled to perform \
+ the requested operation without breaking the requirements of any package.
+ """
+
+ _allowed_strategies = {"eager", "only-if-needed", "to-satisfy-only"}
+
+ def __init__(
+ self,
+ preparer: RequirementPreparer,
+ finder: PackageFinder,
+ wheel_cache: Optional[WheelCache],
+ make_install_req: InstallRequirementProvider,
+ use_user_site: bool,
+ ignore_dependencies: bool,
+ ignore_installed: bool,
+ ignore_requires_python: bool,
+ force_reinstall: bool,
+ upgrade_strategy: str,
+ py_version_info: Optional[Tuple[int, ...]] = None,
+ ) -> None:
+ super().__init__()
+ assert upgrade_strategy in self._allowed_strategies
+
+ if py_version_info is None:
+ py_version_info = sys.version_info[:3]
+ else:
+ py_version_info = normalize_version_info(py_version_info)
+
+ self._py_version_info = py_version_info
+
+ self.preparer = preparer
+ self.finder = finder
+ self.wheel_cache = wheel_cache
+
+ self.upgrade_strategy = upgrade_strategy
+ self.force_reinstall = force_reinstall
+ self.ignore_dependencies = ignore_dependencies
+ self.ignore_installed = ignore_installed
+ self.ignore_requires_python = ignore_requires_python
+ self.use_user_site = use_user_site
+ self._make_install_req = make_install_req
+
+ self._discovered_dependencies: DiscoveredDependencies = defaultdict(list)
+
+ def resolve(
+ self, root_reqs: List[InstallRequirement], check_supported_wheels: bool
+ ) -> RequirementSet:
+ """Resolve what operations need to be done
+
+ As a side-effect of this method, the packages (and their dependencies)
+ are downloaded, unpacked and prepared for installation. This
+ preparation is done by ``pip.operations.prepare``.
+
+ Once PyPI has static dependency metadata available, it would be
+ possible to move the preparation to become a step separated from
+ dependency resolution.
+ """
+ requirement_set = RequirementSet(check_supported_wheels=check_supported_wheels)
+ for req in root_reqs:
+ if req.constraint:
+ check_invalid_constraint_type(req)
+ requirement_set.add_requirement(req)
+
+ # Actually prepare the files, and collect any exceptions. Most hash
+ # exceptions cannot be checked ahead of time, because
+ # _populate_link() needs to be called before we can make decisions
+ # based on link type.
+ discovered_reqs: List[InstallRequirement] = []
+ hash_errors = HashErrors()
+ for req in chain(requirement_set.all_requirements, discovered_reqs):
+ try:
+ discovered_reqs.extend(self._resolve_one(requirement_set, req))
+ except HashError as exc:
+ exc.req = req
+ hash_errors.append(exc)
+
+ if hash_errors:
+ raise hash_errors
+
+ return requirement_set
+
+ def _is_upgrade_allowed(self, req: InstallRequirement) -> bool:
+ if self.upgrade_strategy == "to-satisfy-only":
+ return False
+ elif self.upgrade_strategy == "eager":
+ return True
+ else:
+ assert self.upgrade_strategy == "only-if-needed"
+ return req.user_supplied or req.constraint
+
+ def _set_req_to_reinstall(self, req: InstallRequirement) -> None:
+ """
+ Set a requirement to be installed.
+ """
+ # Don't uninstall the conflict if doing a user install and the
+ # conflict is not a user install.
+ if not self.use_user_site or dist_in_usersite(req.satisfied_by):
+ req.should_reinstall = True
+ req.satisfied_by = None
+
+ def _check_skip_installed(
+ self, req_to_install: InstallRequirement
+ ) -> Optional[str]:
+ """Check if req_to_install should be skipped.
+
+ This will check if the req is installed, and whether we should upgrade
+ or reinstall it, taking into account all the relevant user options.
+
+ After calling this req_to_install will only have satisfied_by set to
+ None if the req_to_install is to be upgraded/reinstalled etc. Any
+ other value will be a dist recording the current thing installed that
+ satisfies the requirement.
+
+ Note that for vcs urls and the like we can't assess skipping in this
+ routine - we simply identify that we need to pull the thing down,
+ then later on it is pulled down and introspected to assess upgrade/
+ reinstalls etc.
+
+ :return: A text reason for why it was skipped, or None.
+ """
+ if self.ignore_installed:
+ return None
+
+ req_to_install.check_if_exists(self.use_user_site)
+ if not req_to_install.satisfied_by:
+ return None
+
+ if self.force_reinstall:
+ self._set_req_to_reinstall(req_to_install)
+ return None
+
+ if not self._is_upgrade_allowed(req_to_install):
+ if self.upgrade_strategy == "only-if-needed":
+ return "already satisfied, skipping upgrade"
+ return "already satisfied"
+
+ # Check for the possibility of an upgrade. For link-based
+ # requirements we have to pull the tree down and inspect to assess
+ # the version #, so it's handled way down.
+ if not req_to_install.link:
+ try:
+ self.finder.find_requirement(req_to_install, upgrade=True)
+ except BestVersionAlreadyInstalled:
+ # Then the best version is installed.
+ return "already up-to-date"
+ except DistributionNotFound:
+ # No distribution found, so we squash the error. It will
+ # be raised later when we re-try later to do the install.
+ # Why don't we just raise here?
+ pass
+
+ self._set_req_to_reinstall(req_to_install)
+ return None
+
+ def _find_requirement_link(self, req: InstallRequirement) -> Optional[Link]:
+ upgrade = self._is_upgrade_allowed(req)
+ best_candidate = self.finder.find_requirement(req, upgrade)
+ if not best_candidate:
+ return None
+
+ # Log a warning per PEP 592 if necessary before returning.
+ link = best_candidate.link
+ if link.is_yanked:
+ reason = link.yanked_reason or ""
+ msg = (
+ # Mark this as a unicode string to prevent
+ # "UnicodeEncodeError: 'ascii' codec can't encode character"
+ # in Python 2 when the reason contains non-ascii characters.
+ "The candidate selected for download or install is a "
+ "yanked version: {candidate}\n"
+ "Reason for being yanked: {reason}"
+ ).format(candidate=best_candidate, reason=reason)
+ logger.warning(msg)
+
+ return link
+
+ def _populate_link(self, req: InstallRequirement) -> None:
+ """Ensure that if a link can be found for this, that it is found.
+
+ Note that req.link may still be None - if the requirement is already
+ installed and not needed to be upgraded based on the return value of
+ _is_upgrade_allowed().
+
+ If preparer.require_hashes is True, don't use the wheel cache, because
+ cached wheels, always built locally, have different hashes than the
+ files downloaded from the index server and thus throw false hash
+ mismatches. Furthermore, cached wheels at present have undeterministic
+ contents due to file modification times.
+ """
+ if req.link is None:
+ req.link = self._find_requirement_link(req)
+
+ if self.wheel_cache is None or self.preparer.require_hashes:
+ return
+ cache_entry = self.wheel_cache.get_cache_entry(
+ link=req.link,
+ package_name=req.name,
+ supported_tags=get_supported(),
+ )
+ if cache_entry is not None:
+ logger.debug("Using cached wheel link: %s", cache_entry.link)
+ if req.link is req.original_link and cache_entry.persistent:
+ req.original_link_is_in_wheel_cache = True
+ req.link = cache_entry.link
+
+ def _get_dist_for(self, req: InstallRequirement) -> Distribution:
+ """Takes a InstallRequirement and returns a single AbstractDist \
+ representing a prepared variant of the same.
+ """
+ if req.editable:
+ return self.preparer.prepare_editable_requirement(req)
+
+ # satisfied_by is only evaluated by calling _check_skip_installed,
+ # so it must be None here.
+ assert req.satisfied_by is None
+ skip_reason = self._check_skip_installed(req)
+
+ if req.satisfied_by:
+ return self.preparer.prepare_installed_requirement(req, skip_reason)
+
+ # We eagerly populate the link, since that's our "legacy" behavior.
+ self._populate_link(req)
+ dist = self.preparer.prepare_linked_requirement(req)
+
+ # NOTE
+ # The following portion is for determining if a certain package is
+ # going to be re-installed/upgraded or not and reporting to the user.
+ # This should probably get cleaned up in a future refactor.
+
+ # req.req is only avail after unpack for URL
+ # pkgs repeat check_if_exists to uninstall-on-upgrade
+ # (#14)
+ if not self.ignore_installed:
+ req.check_if_exists(self.use_user_site)
+
+ if req.satisfied_by:
+ should_modify = (
+ self.upgrade_strategy != "to-satisfy-only"
+ or self.force_reinstall
+ or self.ignore_installed
+ or req.link.scheme == "file"
+ )
+ if should_modify:
+ self._set_req_to_reinstall(req)
+ else:
+ logger.info(
+ "Requirement already satisfied (use --upgrade to upgrade): %s",
+ req,
+ )
+ return dist
+
+ def _resolve_one(
+ self,
+ requirement_set: RequirementSet,
+ req_to_install: InstallRequirement,
+ ) -> List[InstallRequirement]:
+ """Prepare a single requirements file.
+
+ :return: A list of additional InstallRequirements to also install.
+ """
+ # Tell user what we are doing for this requirement:
+ # obtain (editable), skipping, processing (local url), collecting
+ # (remote url or package name)
+ if req_to_install.constraint or req_to_install.prepared:
+ return []
+
+ req_to_install.prepared = True
+
+ # Parse and return dependencies
+ dist = self._get_dist_for(req_to_install)
+ # This will raise UnsupportedPythonVersion if the given Python
+ # version isn't compatible with the distribution's Requires-Python.
+ _check_dist_requires_python(
+ dist,
+ version_info=self._py_version_info,
+ ignore_requires_python=self.ignore_requires_python,
+ )
+
+ more_reqs: List[InstallRequirement] = []
+
+ def add_req(subreq: Distribution, extras_requested: Iterable[str]) -> None:
+ sub_install_req = self._make_install_req(
+ str(subreq),
+ req_to_install,
+ )
+ parent_req_name = req_to_install.name
+ to_scan_again, add_to_parent = requirement_set.add_requirement(
+ sub_install_req,
+ parent_req_name=parent_req_name,
+ extras_requested=extras_requested,
+ )
+ if parent_req_name and add_to_parent:
+ self._discovered_dependencies[parent_req_name].append(add_to_parent)
+ more_reqs.extend(to_scan_again)
+
+ with indent_log():
+ # We add req_to_install before its dependencies, so that we
+ # can refer to it when adding dependencies.
+ if not requirement_set.has_requirement(req_to_install.name):
+ # 'unnamed' requirements will get added here
+ # 'unnamed' requirements can only come from being directly
+ # provided by the user.
+ assert req_to_install.user_supplied
+ requirement_set.add_requirement(req_to_install, parent_req_name=None)
+
+ if not self.ignore_dependencies:
+ if req_to_install.extras:
+ logger.debug(
+ "Installing extra requirements: %r",
+ ",".join(req_to_install.extras),
+ )
+ missing_requested = sorted(
+ set(req_to_install.extras) - set(dist.extras)
+ )
+ for missing in missing_requested:
+ logger.warning("%s does not provide the extra '%s'", dist, missing)
+
+ available_requested = sorted(
+ set(dist.extras) & set(req_to_install.extras)
+ )
+ for subreq in dist.requires(available_requested):
+ add_req(subreq, extras_requested=available_requested)
+
+ return more_reqs
+
+ def get_installation_order(
+ self, req_set: RequirementSet
+ ) -> List[InstallRequirement]:
+ """Create the installation order.
+
+ The installation order is topological - requirements are installed
+ before the requiring thing. We break cycles at an arbitrary point,
+ and make no other guarantees.
+ """
+ # The current implementation, which we may change at any point
+ # installs the user specified things in the order given, except when
+ # dependencies must come earlier to achieve topological order.
+ order = []
+ ordered_reqs: Set[InstallRequirement] = set()
+
+ def schedule(req: InstallRequirement) -> None:
+ if req.satisfied_by or req in ordered_reqs:
+ return
+ if req.constraint:
+ return
+ ordered_reqs.add(req)
+ for dep in self._discovered_dependencies[req.name]:
+ schedule(dep)
+ order.append(req)
+
+ for install_req in req_set.requirements.values():
+ schedule(install_req)
+ return order
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diff --git a/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/base.py b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/base.py
new file mode 100644
index 0000000..7f258c5
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/base.py
@@ -0,0 +1,144 @@
+from typing import FrozenSet, Iterable, Optional, Tuple, Union
+
+from pip._vendor.packaging.specifiers import SpecifierSet
+from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
+from pip._vendor.packaging.version import LegacyVersion, Version
+
+from pip._internal.models.link import Link, links_equivalent
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.utils.hashes import Hashes
+
+CandidateLookup = Tuple[Optional["Candidate"], Optional[InstallRequirement]]
+CandidateVersion = Union[LegacyVersion, Version]
+
+
+def format_name(project: str, extras: FrozenSet[str]) -> str:
+ if not extras:
+ return project
+ canonical_extras = sorted(canonicalize_name(e) for e in extras)
+ return "{}[{}]".format(project, ",".join(canonical_extras))
+
+
+class Constraint:
+ def __init__(
+ self, specifier: SpecifierSet, hashes: Hashes, links: FrozenSet[Link]
+ ) -> None:
+ self.specifier = specifier
+ self.hashes = hashes
+ self.links = links
+
+ @classmethod
+ def empty(cls) -> "Constraint":
+ return Constraint(SpecifierSet(), Hashes(), frozenset())
+
+ @classmethod
+ def from_ireq(cls, ireq: InstallRequirement) -> "Constraint":
+ links = frozenset([ireq.link]) if ireq.link else frozenset()
+ return Constraint(ireq.specifier, ireq.hashes(trust_internet=False), links)
+
+ def __nonzero__(self) -> bool:
+ return bool(self.specifier) or bool(self.hashes) or bool(self.links)
+
+ def __bool__(self) -> bool:
+ return self.__nonzero__()
+
+ def __and__(self, other: InstallRequirement) -> "Constraint":
+ if not isinstance(other, InstallRequirement):
+ return NotImplemented
+ specifier = self.specifier & other.specifier
+ hashes = self.hashes & other.hashes(trust_internet=False)
+ links = self.links
+ if other.link:
+ links = links.union([other.link])
+ return Constraint(specifier, hashes, links)
+
+ def is_satisfied_by(self, candidate: "Candidate") -> bool:
+ # Reject if there are any mismatched URL constraints on this package.
+ if self.links and not all(_match_link(link, candidate) for link in self.links):
+ return False
+ # We can safely always allow prereleases here since PackageFinder
+ # already implements the prerelease logic, and would have filtered out
+ # prerelease candidates if the user does not expect them.
+ return self.specifier.contains(candidate.version, prereleases=True)
+
+
+class Requirement:
+ @property
+ def project_name(self) -> NormalizedName:
+ """The "project name" of a requirement.
+
+ This is different from ``name`` if this requirement contains extras,
+ in which case ``name`` would contain the ``[...]`` part, while this
+ refers to the name of the project.
+ """
+ raise NotImplementedError("Subclass should override")
+
+ @property
+ def name(self) -> str:
+ """The name identifying this requirement in the resolver.
+
+ This is different from ``project_name`` if this requirement contains
+ extras, where ``project_name`` would not contain the ``[...]`` part.
+ """
+ raise NotImplementedError("Subclass should override")
+
+ def is_satisfied_by(self, candidate: "Candidate") -> bool:
+ return False
+
+ def get_candidate_lookup(self) -> CandidateLookup:
+ raise NotImplementedError("Subclass should override")
+
+ def format_for_error(self) -> str:
+ raise NotImplementedError("Subclass should override")
+
+
+def _match_link(link: Link, candidate: "Candidate") -> bool:
+ if candidate.source_link:
+ return links_equivalent(link, candidate.source_link)
+ return False
+
+
+class Candidate:
+ @property
+ def project_name(self) -> NormalizedName:
+ """The "project name" of the candidate.
+
+ This is different from ``name`` if this candidate contains extras,
+ in which case ``name`` would contain the ``[...]`` part, while this
+ refers to the name of the project.
+ """
+ raise NotImplementedError("Override in subclass")
+
+ @property
+ def name(self) -> str:
+ """The name identifying this candidate in the resolver.
+
+ This is different from ``project_name`` if this candidate contains
+ extras, where ``project_name`` would not contain the ``[...]`` part.
+ """
+ raise NotImplementedError("Override in subclass")
+
+ @property
+ def version(self) -> CandidateVersion:
+ raise NotImplementedError("Override in subclass")
+
+ @property
+ def is_installed(self) -> bool:
+ raise NotImplementedError("Override in subclass")
+
+ @property
+ def is_editable(self) -> bool:
+ raise NotImplementedError("Override in subclass")
+
+ @property
+ def source_link(self) -> Optional[Link]:
+ raise NotImplementedError("Override in subclass")
+
+ def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]:
+ raise NotImplementedError("Override in subclass")
+
+ def get_install_requirement(self) -> Optional[InstallRequirement]:
+ raise NotImplementedError("Override in subclass")
+
+ def format_for_error(self) -> str:
+ raise NotImplementedError("Subclass should override")
diff --git a/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/candidates.py b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/candidates.py
new file mode 100644
index 0000000..5d510db
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/candidates.py
@@ -0,0 +1,555 @@
+import logging
+import sys
+from typing import TYPE_CHECKING, Any, FrozenSet, Iterable, Optional, Tuple, Union, cast
+
+from pip._vendor.packaging.specifiers import InvalidSpecifier, SpecifierSet
+from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
+from pip._vendor.packaging.version import Version
+from pip._vendor.packaging.version import parse as parse_version
+from pip._vendor.pkg_resources import Distribution
+
+from pip._internal.exceptions import HashError, MetadataInconsistent
+from pip._internal.models.link import Link, links_equivalent
+from pip._internal.models.wheel import Wheel
+from pip._internal.req.constructors import (
+ install_req_from_editable,
+ install_req_from_line,
+)
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.utils.misc import dist_is_editable, normalize_version_info
+from pip._internal.utils.packaging import get_requires_python
+
+from .base import Candidate, CandidateVersion, Requirement, format_name
+
+if TYPE_CHECKING:
+ from .factory import Factory
+
+logger = logging.getLogger(__name__)
+
+BaseCandidate = Union[
+ "AlreadyInstalledCandidate",
+ "EditableCandidate",
+ "LinkCandidate",
+]
+
+# Avoid conflicting with the PyPI package "Python".
+REQUIRES_PYTHON_IDENTIFIER = cast(NormalizedName, "")
+
+
+def as_base_candidate(candidate: Candidate) -> Optional[BaseCandidate]:
+ """The runtime version of BaseCandidate."""
+ base_candidate_classes = (
+ AlreadyInstalledCandidate,
+ EditableCandidate,
+ LinkCandidate,
+ )
+ if isinstance(candidate, base_candidate_classes):
+ return candidate
+ return None
+
+
+def make_install_req_from_link(
+ link: Link, template: InstallRequirement
+) -> InstallRequirement:
+ assert not template.editable, "template is editable"
+ if template.req:
+ line = str(template.req)
+ else:
+ line = link.url
+ ireq = install_req_from_line(
+ line,
+ user_supplied=template.user_supplied,
+ comes_from=template.comes_from,
+ use_pep517=template.use_pep517,
+ isolated=template.isolated,
+ constraint=template.constraint,
+ options=dict(
+ install_options=template.install_options,
+ global_options=template.global_options,
+ hashes=template.hash_options,
+ ),
+ )
+ ireq.original_link = template.original_link
+ ireq.link = link
+ return ireq
+
+
+def make_install_req_from_editable(
+ link: Link, template: InstallRequirement
+) -> InstallRequirement:
+ assert template.editable, "template not editable"
+ return install_req_from_editable(
+ link.url,
+ user_supplied=template.user_supplied,
+ comes_from=template.comes_from,
+ use_pep517=template.use_pep517,
+ isolated=template.isolated,
+ constraint=template.constraint,
+ options=dict(
+ install_options=template.install_options,
+ global_options=template.global_options,
+ hashes=template.hash_options,
+ ),
+ )
+
+
+def make_install_req_from_dist(
+ dist: Distribution, template: InstallRequirement
+) -> InstallRequirement:
+ project_name = canonicalize_name(dist.project_name)
+ if template.req:
+ line = str(template.req)
+ elif template.link:
+ line = f"{project_name} @ {template.link.url}"
+ else:
+ line = f"{project_name}=={dist.parsed_version}"
+ ireq = install_req_from_line(
+ line,
+ user_supplied=template.user_supplied,
+ comes_from=template.comes_from,
+ use_pep517=template.use_pep517,
+ isolated=template.isolated,
+ constraint=template.constraint,
+ options=dict(
+ install_options=template.install_options,
+ global_options=template.global_options,
+ hashes=template.hash_options,
+ ),
+ )
+ ireq.satisfied_by = dist
+ return ireq
+
+
+class _InstallRequirementBackedCandidate(Candidate):
+ """A candidate backed by an ``InstallRequirement``.
+
+ This represents a package request with the target not being already
+ in the environment, and needs to be fetched and installed. The backing
+ ``InstallRequirement`` is responsible for most of the leg work; this
+ class exposes appropriate information to the resolver.
+
+ :param link: The link passed to the ``InstallRequirement``. The backing
+ ``InstallRequirement`` will use this link to fetch the distribution.
+ :param source_link: The link this candidate "originates" from. This is
+ different from ``link`` when the link is found in the wheel cache.
+ ``link`` would point to the wheel cache, while this points to the
+ found remote link (e.g. from pypi.org).
+ """
+
+ is_installed = False
+
+ def __init__(
+ self,
+ link: Link,
+ source_link: Link,
+ ireq: InstallRequirement,
+ factory: "Factory",
+ name: Optional[NormalizedName] = None,
+ version: Optional[CandidateVersion] = None,
+ ) -> None:
+ self._link = link
+ self._source_link = source_link
+ self._factory = factory
+ self._ireq = ireq
+ self._name = name
+ self._version = version
+ self.dist = self._prepare()
+
+ def __str__(self) -> str:
+ return f"{self.name} {self.version}"
+
+ def __repr__(self) -> str:
+ return "{class_name}({link!r})".format(
+ class_name=self.__class__.__name__,
+ link=str(self._link),
+ )
+
+ def __hash__(self) -> int:
+ return hash((self.__class__, self._link))
+
+ def __eq__(self, other: Any) -> bool:
+ if isinstance(other, self.__class__):
+ return links_equivalent(self._link, other._link)
+ return False
+
+ @property
+ def source_link(self) -> Optional[Link]:
+ return self._source_link
+
+ @property
+ def project_name(self) -> NormalizedName:
+ """The normalised name of the project the candidate refers to"""
+ if self._name is None:
+ self._name = canonicalize_name(self.dist.project_name)
+ return self._name
+
+ @property
+ def name(self) -> str:
+ return self.project_name
+
+ @property
+ def version(self) -> CandidateVersion:
+ if self._version is None:
+ self._version = parse_version(self.dist.version)
+ return self._version
+
+ def format_for_error(self) -> str:
+ return "{} {} (from {})".format(
+ self.name,
+ self.version,
+ self._link.file_path if self._link.is_file else self._link,
+ )
+
+ def _prepare_distribution(self) -> Distribution:
+ raise NotImplementedError("Override in subclass")
+
+ def _check_metadata_consistency(self, dist: Distribution) -> None:
+ """Check for consistency of project name and version of dist."""
+ canonical_name = canonicalize_name(dist.project_name)
+ if self._name is not None and self._name != canonical_name:
+ raise MetadataInconsistent(
+ self._ireq,
+ "name",
+ self._name,
+ dist.project_name,
+ )
+ parsed_version = parse_version(dist.version)
+ if self._version is not None and self._version != parsed_version:
+ raise MetadataInconsistent(
+ self._ireq,
+ "version",
+ str(self._version),
+ dist.version,
+ )
+
+ def _prepare(self) -> Distribution:
+ try:
+ dist = self._prepare_distribution()
+ except HashError as e:
+ # Provide HashError the underlying ireq that caused it. This
+ # provides context for the resulting error message to show the
+ # offending line to the user.
+ e.req = self._ireq
+ raise
+ self._check_metadata_consistency(dist)
+ return dist
+
+ def _get_requires_python_dependency(self) -> Optional[Requirement]:
+ requires_python = get_requires_python(self.dist)
+ if requires_python is None:
+ return None
+ try:
+ spec = SpecifierSet(requires_python)
+ except InvalidSpecifier as e:
+ message = "Package %r has an invalid Requires-Python: %s"
+ logger.warning(message, self.name, e)
+ return None
+ return self._factory.make_requires_python_requirement(spec)
+
+ def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]:
+ requires = self.dist.requires() if with_requires else ()
+ for r in requires:
+ yield self._factory.make_requirement_from_spec(str(r), self._ireq)
+ yield self._get_requires_python_dependency()
+
+ def get_install_requirement(self) -> Optional[InstallRequirement]:
+ return self._ireq
+
+
+class LinkCandidate(_InstallRequirementBackedCandidate):
+ is_editable = False
+
+ def __init__(
+ self,
+ link: Link,
+ template: InstallRequirement,
+ factory: "Factory",
+ name: Optional[NormalizedName] = None,
+ version: Optional[CandidateVersion] = None,
+ ) -> None:
+ source_link = link
+ cache_entry = factory.get_wheel_cache_entry(link, name)
+ if cache_entry is not None:
+ logger.debug("Using cached wheel link: %s", cache_entry.link)
+ link = cache_entry.link
+ ireq = make_install_req_from_link(link, template)
+ assert ireq.link == link
+ if ireq.link.is_wheel and not ireq.link.is_file:
+ wheel = Wheel(ireq.link.filename)
+ wheel_name = canonicalize_name(wheel.name)
+ assert name == wheel_name, f"{name!r} != {wheel_name!r} for wheel"
+ # Version may not be present for PEP 508 direct URLs
+ if version is not None:
+ wheel_version = Version(wheel.version)
+ assert version == wheel_version, "{!r} != {!r} for wheel {}".format(
+ version, wheel_version, name
+ )
+
+ if (
+ cache_entry is not None
+ and cache_entry.persistent
+ and template.link is template.original_link
+ ):
+ ireq.original_link_is_in_wheel_cache = True
+
+ super().__init__(
+ link=link,
+ source_link=source_link,
+ ireq=ireq,
+ factory=factory,
+ name=name,
+ version=version,
+ )
+
+ def _prepare_distribution(self) -> Distribution:
+ return self._factory.preparer.prepare_linked_requirement(
+ self._ireq, parallel_builds=True
+ )
+
+
+class EditableCandidate(_InstallRequirementBackedCandidate):
+ is_editable = True
+
+ def __init__(
+ self,
+ link: Link,
+ template: InstallRequirement,
+ factory: "Factory",
+ name: Optional[NormalizedName] = None,
+ version: Optional[CandidateVersion] = None,
+ ) -> None:
+ super().__init__(
+ link=link,
+ source_link=link,
+ ireq=make_install_req_from_editable(link, template),
+ factory=factory,
+ name=name,
+ version=version,
+ )
+
+ def _prepare_distribution(self) -> Distribution:
+ return self._factory.preparer.prepare_editable_requirement(self._ireq)
+
+
+class AlreadyInstalledCandidate(Candidate):
+ is_installed = True
+ source_link = None
+
+ def __init__(
+ self,
+ dist: Distribution,
+ template: InstallRequirement,
+ factory: "Factory",
+ ) -> None:
+ self.dist = dist
+ self._ireq = make_install_req_from_dist(dist, template)
+ self._factory = factory
+
+ # This is just logging some messages, so we can do it eagerly.
+ # The returned dist would be exactly the same as self.dist because we
+ # set satisfied_by in make_install_req_from_dist.
+ # TODO: Supply reason based on force_reinstall and upgrade_strategy.
+ skip_reason = "already satisfied"
+ factory.preparer.prepare_installed_requirement(self._ireq, skip_reason)
+
+ def __str__(self) -> str:
+ return str(self.dist)
+
+ def __repr__(self) -> str:
+ return "{class_name}({distribution!r})".format(
+ class_name=self.__class__.__name__,
+ distribution=self.dist,
+ )
+
+ def __hash__(self) -> int:
+ return hash((self.__class__, self.name, self.version))
+
+ def __eq__(self, other: Any) -> bool:
+ if isinstance(other, self.__class__):
+ return self.name == other.name and self.version == other.version
+ return False
+
+ @property
+ def project_name(self) -> NormalizedName:
+ return canonicalize_name(self.dist.project_name)
+
+ @property
+ def name(self) -> str:
+ return self.project_name
+
+ @property
+ def version(self) -> CandidateVersion:
+ return parse_version(self.dist.version)
+
+ @property
+ def is_editable(self) -> bool:
+ return dist_is_editable(self.dist)
+
+ def format_for_error(self) -> str:
+ return f"{self.name} {self.version} (Installed)"
+
+ def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]:
+ if not with_requires:
+ return
+ for r in self.dist.requires():
+ yield self._factory.make_requirement_from_spec(str(r), self._ireq)
+
+ def get_install_requirement(self) -> Optional[InstallRequirement]:
+ return None
+
+
+class ExtrasCandidate(Candidate):
+ """A candidate that has 'extras', indicating additional dependencies.
+
+ Requirements can be for a project with dependencies, something like
+ foo[extra]. The extras don't affect the project/version being installed
+ directly, but indicate that we need additional dependencies. We model that
+ by having an artificial ExtrasCandidate that wraps the "base" candidate.
+
+ The ExtrasCandidate differs from the base in the following ways:
+
+ 1. It has a unique name, of the form foo[extra]. This causes the resolver
+ to treat it as a separate node in the dependency graph.
+ 2. When we're getting the candidate's dependencies,
+ a) We specify that we want the extra dependencies as well.
+ b) We add a dependency on the base candidate.
+ See below for why this is needed.
+ 3. We return None for the underlying InstallRequirement, as the base
+ candidate will provide it, and we don't want to end up with duplicates.
+
+ The dependency on the base candidate is needed so that the resolver can't
+ decide that it should recommend foo[extra1] version 1.0 and foo[extra2]
+ version 2.0. Having those candidates depend on foo=1.0 and foo=2.0
+ respectively forces the resolver to recognise that this is a conflict.
+ """
+
+ def __init__(
+ self,
+ base: BaseCandidate,
+ extras: FrozenSet[str],
+ ) -> None:
+ self.base = base
+ self.extras = extras
+
+ def __str__(self) -> str:
+ name, rest = str(self.base).split(" ", 1)
+ return "{}[{}] {}".format(name, ",".join(self.extras), rest)
+
+ def __repr__(self) -> str:
+ return "{class_name}(base={base!r}, extras={extras!r})".format(
+ class_name=self.__class__.__name__,
+ base=self.base,
+ extras=self.extras,
+ )
+
+ def __hash__(self) -> int:
+ return hash((self.base, self.extras))
+
+ def __eq__(self, other: Any) -> bool:
+ if isinstance(other, self.__class__):
+ return self.base == other.base and self.extras == other.extras
+ return False
+
+ @property
+ def project_name(self) -> NormalizedName:
+ return self.base.project_name
+
+ @property
+ def name(self) -> str:
+ """The normalised name of the project the candidate refers to"""
+ return format_name(self.base.project_name, self.extras)
+
+ @property
+ def version(self) -> CandidateVersion:
+ return self.base.version
+
+ def format_for_error(self) -> str:
+ return "{} [{}]".format(
+ self.base.format_for_error(), ", ".join(sorted(self.extras))
+ )
+
+ @property
+ def is_installed(self) -> bool:
+ return self.base.is_installed
+
+ @property
+ def is_editable(self) -> bool:
+ return self.base.is_editable
+
+ @property
+ def source_link(self) -> Optional[Link]:
+ return self.base.source_link
+
+ def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]:
+ factory = self.base._factory
+
+ # Add a dependency on the exact base
+ # (See note 2b in the class docstring)
+ yield factory.make_requirement_from_candidate(self.base)
+ if not with_requires:
+ return
+
+ # The user may have specified extras that the candidate doesn't
+ # support. We ignore any unsupported extras here.
+ valid_extras = self.extras.intersection(self.base.dist.extras)
+ invalid_extras = self.extras.difference(self.base.dist.extras)
+ for extra in sorted(invalid_extras):
+ logger.warning(
+ "%s %s does not provide the extra '%s'",
+ self.base.name,
+ self.version,
+ extra,
+ )
+
+ for r in self.base.dist.requires(valid_extras):
+ requirement = factory.make_requirement_from_spec(
+ str(r), self.base._ireq, valid_extras
+ )
+ if requirement:
+ yield requirement
+
+ def get_install_requirement(self) -> Optional[InstallRequirement]:
+ # We don't return anything here, because we always
+ # depend on the base candidate, and we'll get the
+ # install requirement from that.
+ return None
+
+
+class RequiresPythonCandidate(Candidate):
+ is_installed = False
+ source_link = None
+
+ def __init__(self, py_version_info: Optional[Tuple[int, ...]]) -> None:
+ if py_version_info is not None:
+ version_info = normalize_version_info(py_version_info)
+ else:
+ version_info = sys.version_info[:3]
+ self._version = Version(".".join(str(c) for c in version_info))
+
+ # We don't need to implement __eq__() and __ne__() since there is always
+ # only one RequiresPythonCandidate in a resolution, i.e. the host Python.
+ # The built-in object.__eq__() and object.__ne__() do exactly what we want.
+
+ def __str__(self) -> str:
+ return f"Python {self._version}"
+
+ @property
+ def project_name(self) -> NormalizedName:
+ return REQUIRES_PYTHON_IDENTIFIER
+
+ @property
+ def name(self) -> str:
+ return REQUIRES_PYTHON_IDENTIFIER
+
+ @property
+ def version(self) -> CandidateVersion:
+ return self._version
+
+ def format_for_error(self) -> str:
+ return f"Python {self.version}"
+
+ def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]:
+ return ()
+
+ def get_install_requirement(self) -> Optional[InstallRequirement]:
+ return None
diff --git a/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/factory.py b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/factory.py
new file mode 100644
index 0000000..e7fd344
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/factory.py
@@ -0,0 +1,700 @@
+import contextlib
+import functools
+import logging
+from typing import (
+ TYPE_CHECKING,
+ Dict,
+ FrozenSet,
+ Iterable,
+ Iterator,
+ List,
+ Mapping,
+ NamedTuple,
+ Optional,
+ Sequence,
+ Set,
+ Tuple,
+ TypeVar,
+ cast,
+)
+
+from pip._vendor.packaging.requirements import InvalidRequirement
+from pip._vendor.packaging.requirements import Requirement as PackagingRequirement
+from pip._vendor.packaging.specifiers import SpecifierSet
+from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
+from pip._vendor.resolvelib import ResolutionImpossible
+
+from pip._internal.cache import CacheEntry, WheelCache
+from pip._internal.exceptions import (
+ DistributionNotFound,
+ InstallationError,
+ InstallationSubprocessError,
+ MetadataInconsistent,
+ UnsupportedPythonVersion,
+ UnsupportedWheel,
+)
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.metadata import BaseDistribution, get_default_environment
+from pip._internal.models.link import Link
+from pip._internal.models.wheel import Wheel
+from pip._internal.operations.prepare import RequirementPreparer
+from pip._internal.req.constructors import install_req_from_link_and_ireq
+from pip._internal.req.req_install import (
+ InstallRequirement,
+ check_invalid_constraint_type,
+)
+from pip._internal.resolution.base import InstallRequirementProvider
+from pip._internal.utils.compatibility_tags import get_supported
+from pip._internal.utils.hashes import Hashes
+from pip._internal.utils.virtualenv import running_under_virtualenv
+
+from .base import Candidate, CandidateVersion, Constraint, Requirement
+from .candidates import (
+ AlreadyInstalledCandidate,
+ BaseCandidate,
+ EditableCandidate,
+ ExtrasCandidate,
+ LinkCandidate,
+ RequiresPythonCandidate,
+ as_base_candidate,
+)
+from .found_candidates import FoundCandidates, IndexCandidateInfo
+from .requirements import (
+ ExplicitRequirement,
+ RequiresPythonRequirement,
+ SpecifierRequirement,
+ UnsatisfiableRequirement,
+)
+
+if TYPE_CHECKING:
+ from typing import Protocol
+
+ class ConflictCause(Protocol):
+ requirement: RequiresPythonRequirement
+ parent: Candidate
+
+
+logger = logging.getLogger(__name__)
+
+C = TypeVar("C")
+Cache = Dict[Link, C]
+
+
+class CollectedRootRequirements(NamedTuple):
+ requirements: List[Requirement]
+ constraints: Dict[str, Constraint]
+ user_requested: Dict[str, int]
+
+
+class Factory:
+ def __init__(
+ self,
+ finder: PackageFinder,
+ preparer: RequirementPreparer,
+ make_install_req: InstallRequirementProvider,
+ wheel_cache: Optional[WheelCache],
+ use_user_site: bool,
+ force_reinstall: bool,
+ ignore_installed: bool,
+ ignore_requires_python: bool,
+ py_version_info: Optional[Tuple[int, ...]] = None,
+ ) -> None:
+ self._finder = finder
+ self.preparer = preparer
+ self._wheel_cache = wheel_cache
+ self._python_candidate = RequiresPythonCandidate(py_version_info)
+ self._make_install_req_from_spec = make_install_req
+ self._use_user_site = use_user_site
+ self._force_reinstall = force_reinstall
+ self._ignore_requires_python = ignore_requires_python
+
+ self._build_failures: Cache[InstallationError] = {}
+ self._link_candidate_cache: Cache[LinkCandidate] = {}
+ self._editable_candidate_cache: Cache[EditableCandidate] = {}
+ self._installed_candidate_cache: Dict[str, AlreadyInstalledCandidate] = {}
+ self._extras_candidate_cache: Dict[
+ Tuple[int, FrozenSet[str]], ExtrasCandidate
+ ] = {}
+
+ if not ignore_installed:
+ env = get_default_environment()
+ self._installed_dists = {
+ dist.canonical_name: dist
+ for dist in env.iter_installed_distributions(local_only=False)
+ }
+ else:
+ self._installed_dists = {}
+
+ @property
+ def force_reinstall(self) -> bool:
+ return self._force_reinstall
+
+ def _fail_if_link_is_unsupported_wheel(self, link: Link) -> None:
+ if not link.is_wheel:
+ return
+ wheel = Wheel(link.filename)
+ if wheel.supported(self._finder.target_python.get_tags()):
+ return
+ msg = f"{link.filename} is not a supported wheel on this platform."
+ raise UnsupportedWheel(msg)
+
+ def _make_extras_candidate(
+ self, base: BaseCandidate, extras: FrozenSet[str]
+ ) -> ExtrasCandidate:
+ cache_key = (id(base), extras)
+ try:
+ candidate = self._extras_candidate_cache[cache_key]
+ except KeyError:
+ candidate = ExtrasCandidate(base, extras)
+ self._extras_candidate_cache[cache_key] = candidate
+ return candidate
+
+ def _make_candidate_from_dist(
+ self,
+ dist: BaseDistribution,
+ extras: FrozenSet[str],
+ template: InstallRequirement,
+ ) -> Candidate:
+ try:
+ base = self._installed_candidate_cache[dist.canonical_name]
+ except KeyError:
+ from pip._internal.metadata.pkg_resources import Distribution as _Dist
+
+ compat_dist = cast(_Dist, dist)._dist
+ base = AlreadyInstalledCandidate(compat_dist, template, factory=self)
+ self._installed_candidate_cache[dist.canonical_name] = base
+ if not extras:
+ return base
+ return self._make_extras_candidate(base, extras)
+
+ def _make_candidate_from_link(
+ self,
+ link: Link,
+ extras: FrozenSet[str],
+ template: InstallRequirement,
+ name: Optional[NormalizedName],
+ version: Optional[CandidateVersion],
+ ) -> Optional[Candidate]:
+ # TODO: Check already installed candidate, and use it if the link and
+ # editable flag match.
+
+ if link in self._build_failures:
+ # We already tried this candidate before, and it does not build.
+ # Don't bother trying again.
+ return None
+
+ if template.editable:
+ if link not in self._editable_candidate_cache:
+ try:
+ self._editable_candidate_cache[link] = EditableCandidate(
+ link,
+ template,
+ factory=self,
+ name=name,
+ version=version,
+ )
+ except (InstallationSubprocessError, MetadataInconsistent) as e:
+ logger.warning("Discarding %s. %s", link, e)
+ self._build_failures[link] = e
+ return None
+ base: BaseCandidate = self._editable_candidate_cache[link]
+ else:
+ if link not in self._link_candidate_cache:
+ try:
+ self._link_candidate_cache[link] = LinkCandidate(
+ link,
+ template,
+ factory=self,
+ name=name,
+ version=version,
+ )
+ except (InstallationSubprocessError, MetadataInconsistent) as e:
+ logger.warning("Discarding %s. %s", link, e)
+ self._build_failures[link] = e
+ return None
+ base = self._link_candidate_cache[link]
+
+ if not extras:
+ return base
+ return self._make_extras_candidate(base, extras)
+
+ def _iter_found_candidates(
+ self,
+ ireqs: Sequence[InstallRequirement],
+ specifier: SpecifierSet,
+ hashes: Hashes,
+ prefers_installed: bool,
+ incompatible_ids: Set[int],
+ ) -> Iterable[Candidate]:
+ if not ireqs:
+ return ()
+
+ # The InstallRequirement implementation requires us to give it a
+ # "template". Here we just choose the first requirement to represent
+ # all of them.
+ # Hopefully the Project model can correct this mismatch in the future.
+ template = ireqs[0]
+ assert template.req, "Candidates found on index must be PEP 508"
+ name = canonicalize_name(template.req.name)
+
+ extras: FrozenSet[str] = frozenset()
+ for ireq in ireqs:
+ assert ireq.req, "Candidates found on index must be PEP 508"
+ specifier &= ireq.req.specifier
+ hashes &= ireq.hashes(trust_internet=False)
+ extras |= frozenset(ireq.extras)
+
+ def _get_installed_candidate() -> Optional[Candidate]:
+ """Get the candidate for the currently-installed version."""
+ # If --force-reinstall is set, we want the version from the index
+ # instead, so we "pretend" there is nothing installed.
+ if self._force_reinstall:
+ return None
+ try:
+ installed_dist = self._installed_dists[name]
+ except KeyError:
+ return None
+ # Don't use the installed distribution if its version does not fit
+ # the current dependency graph.
+ if not specifier.contains(installed_dist.version, prereleases=True):
+ return None
+ candidate = self._make_candidate_from_dist(
+ dist=installed_dist,
+ extras=extras,
+ template=template,
+ )
+ # The candidate is a known incompatiblity. Don't use it.
+ if id(candidate) in incompatible_ids:
+ return None
+ return candidate
+
+ def iter_index_candidate_infos() -> Iterator[IndexCandidateInfo]:
+ result = self._finder.find_best_candidate(
+ project_name=name,
+ specifier=specifier,
+ hashes=hashes,
+ )
+ icans = list(result.iter_applicable())
+
+ # PEP 592: Yanked releases must be ignored unless only yanked
+ # releases can satisfy the version range. So if this is false,
+ # all yanked icans need to be skipped.
+ all_yanked = all(ican.link.is_yanked for ican in icans)
+
+ # PackageFinder returns earlier versions first, so we reverse.
+ for ican in reversed(icans):
+ if not all_yanked and ican.link.is_yanked:
+ continue
+ func = functools.partial(
+ self._make_candidate_from_link,
+ link=ican.link,
+ extras=extras,
+ template=template,
+ name=name,
+ version=ican.version,
+ )
+ yield ican.version, func
+
+ return FoundCandidates(
+ iter_index_candidate_infos,
+ _get_installed_candidate(),
+ prefers_installed,
+ incompatible_ids,
+ )
+
+ def _iter_explicit_candidates_from_base(
+ self,
+ base_requirements: Iterable[Requirement],
+ extras: FrozenSet[str],
+ ) -> Iterator[Candidate]:
+ """Produce explicit candidates from the base given an extra-ed package.
+
+ :param base_requirements: Requirements known to the resolver. The
+ requirements are guaranteed to not have extras.
+ :param extras: The extras to inject into the explicit requirements'
+ candidates.
+ """
+ for req in base_requirements:
+ lookup_cand, _ = req.get_candidate_lookup()
+ if lookup_cand is None: # Not explicit.
+ continue
+ # We've stripped extras from the identifier, and should always
+ # get a BaseCandidate here, unless there's a bug elsewhere.
+ base_cand = as_base_candidate(lookup_cand)
+ assert base_cand is not None, "no extras here"
+ yield self._make_extras_candidate(base_cand, extras)
+
+ def _iter_candidates_from_constraints(
+ self,
+ identifier: str,
+ constraint: Constraint,
+ template: InstallRequirement,
+ ) -> Iterator[Candidate]:
+ """Produce explicit candidates from constraints.
+
+ This creates "fake" InstallRequirement objects that are basically clones
+ of what "should" be the template, but with original_link set to link.
+ """
+ for link in constraint.links:
+ self._fail_if_link_is_unsupported_wheel(link)
+ candidate = self._make_candidate_from_link(
+ link,
+ extras=frozenset(),
+ template=install_req_from_link_and_ireq(link, template),
+ name=canonicalize_name(identifier),
+ version=None,
+ )
+ if candidate:
+ yield candidate
+
+ def find_candidates(
+ self,
+ identifier: str,
+ requirements: Mapping[str, Iterator[Requirement]],
+ incompatibilities: Mapping[str, Iterator[Candidate]],
+ constraint: Constraint,
+ prefers_installed: bool,
+ ) -> Iterable[Candidate]:
+ # Collect basic lookup information from the requirements.
+ explicit_candidates: Set[Candidate] = set()
+ ireqs: List[InstallRequirement] = []
+ for req in requirements[identifier]:
+ cand, ireq = req.get_candidate_lookup()
+ if cand is not None:
+ explicit_candidates.add(cand)
+ if ireq is not None:
+ ireqs.append(ireq)
+
+ # If the current identifier contains extras, add explicit candidates
+ # from entries from extra-less identifier.
+ with contextlib.suppress(InvalidRequirement):
+ parsed_requirement = PackagingRequirement(identifier)
+ explicit_candidates.update(
+ self._iter_explicit_candidates_from_base(
+ requirements.get(parsed_requirement.name, ()),
+ frozenset(parsed_requirement.extras),
+ ),
+ )
+
+ # Add explicit candidates from constraints. We only do this if there are
+ # kown ireqs, which represent requirements not already explicit. If
+ # there are no ireqs, we're constraining already-explicit requirements,
+ # which is handled later when we return the explicit candidates.
+ if ireqs:
+ try:
+ explicit_candidates.update(
+ self._iter_candidates_from_constraints(
+ identifier,
+ constraint,
+ template=ireqs[0],
+ ),
+ )
+ except UnsupportedWheel:
+ # If we're constrained to install a wheel incompatible with the
+ # target architecture, no candidates will ever be valid.
+ return ()
+
+ # Since we cache all the candidates, incompatibility identification
+ # can be made quicker by comparing only the id() values.
+ incompat_ids = {id(c) for c in incompatibilities.get(identifier, ())}
+
+ # If none of the requirements want an explicit candidate, we can ask
+ # the finder for candidates.
+ if not explicit_candidates:
+ return self._iter_found_candidates(
+ ireqs,
+ constraint.specifier,
+ constraint.hashes,
+ prefers_installed,
+ incompat_ids,
+ )
+
+ return (
+ c
+ for c in explicit_candidates
+ if id(c) not in incompat_ids
+ and constraint.is_satisfied_by(c)
+ and all(req.is_satisfied_by(c) for req in requirements[identifier])
+ )
+
+ def _make_requirement_from_install_req(
+ self, ireq: InstallRequirement, requested_extras: Iterable[str]
+ ) -> Optional[Requirement]:
+ if not ireq.match_markers(requested_extras):
+ logger.info(
+ "Ignoring %s: markers '%s' don't match your environment",
+ ireq.name,
+ ireq.markers,
+ )
+ return None
+ if not ireq.link:
+ return SpecifierRequirement(ireq)
+ self._fail_if_link_is_unsupported_wheel(ireq.link)
+ cand = self._make_candidate_from_link(
+ ireq.link,
+ extras=frozenset(ireq.extras),
+ template=ireq,
+ name=canonicalize_name(ireq.name) if ireq.name else None,
+ version=None,
+ )
+ if cand is None:
+ # There's no way we can satisfy a URL requirement if the underlying
+ # candidate fails to build. An unnamed URL must be user-supplied, so
+ # we fail eagerly. If the URL is named, an unsatisfiable requirement
+ # can make the resolver do the right thing, either backtrack (and
+ # maybe find some other requirement that's buildable) or raise a
+ # ResolutionImpossible eventually.
+ if not ireq.name:
+ raise self._build_failures[ireq.link]
+ return UnsatisfiableRequirement(canonicalize_name(ireq.name))
+ return self.make_requirement_from_candidate(cand)
+
+ def collect_root_requirements(
+ self, root_ireqs: List[InstallRequirement]
+ ) -> CollectedRootRequirements:
+ collected = CollectedRootRequirements([], {}, {})
+ for i, ireq in enumerate(root_ireqs):
+ if ireq.constraint:
+ # Ensure we only accept valid constraints
+ problem = check_invalid_constraint_type(ireq)
+ if problem:
+ raise InstallationError(problem)
+ if not ireq.match_markers():
+ continue
+ assert ireq.name, "Constraint must be named"
+ name = canonicalize_name(ireq.name)
+ if name in collected.constraints:
+ collected.constraints[name] &= ireq
+ else:
+ collected.constraints[name] = Constraint.from_ireq(ireq)
+ else:
+ req = self._make_requirement_from_install_req(
+ ireq,
+ requested_extras=(),
+ )
+ if req is None:
+ continue
+ if ireq.user_supplied and req.name not in collected.user_requested:
+ collected.user_requested[req.name] = i
+ collected.requirements.append(req)
+ return collected
+
+ def make_requirement_from_candidate(
+ self, candidate: Candidate
+ ) -> ExplicitRequirement:
+ return ExplicitRequirement(candidate)
+
+ def make_requirement_from_spec(
+ self,
+ specifier: str,
+ comes_from: InstallRequirement,
+ requested_extras: Iterable[str] = (),
+ ) -> Optional[Requirement]:
+ ireq = self._make_install_req_from_spec(specifier, comes_from)
+ return self._make_requirement_from_install_req(ireq, requested_extras)
+
+ def make_requires_python_requirement(
+ self, specifier: Optional[SpecifierSet]
+ ) -> Optional[Requirement]:
+ if self._ignore_requires_python or specifier is None:
+ return None
+ return RequiresPythonRequirement(specifier, self._python_candidate)
+
+ def get_wheel_cache_entry(
+ self, link: Link, name: Optional[str]
+ ) -> Optional[CacheEntry]:
+ """Look up the link in the wheel cache.
+
+ If ``preparer.require_hashes`` is True, don't use the wheel cache,
+ because cached wheels, always built locally, have different hashes
+ than the files downloaded from the index server and thus throw false
+ hash mismatches. Furthermore, cached wheels at present have
+ nondeterministic contents due to file modification times.
+ """
+ if self._wheel_cache is None or self.preparer.require_hashes:
+ return None
+ return self._wheel_cache.get_cache_entry(
+ link=link,
+ package_name=name,
+ supported_tags=get_supported(),
+ )
+
+ def get_dist_to_uninstall(self, candidate: Candidate) -> Optional[BaseDistribution]:
+ # TODO: Are there more cases this needs to return True? Editable?
+ dist = self._installed_dists.get(candidate.project_name)
+ if dist is None: # Not installed, no uninstallation required.
+ return None
+
+ # We're installing into global site. The current installation must
+ # be uninstalled, no matter it's in global or user site, because the
+ # user site installation has precedence over global.
+ if not self._use_user_site:
+ return dist
+
+ # We're installing into user site. Remove the user site installation.
+ if dist.in_usersite:
+ return dist
+
+ # We're installing into user site, but the installed incompatible
+ # package is in global site. We can't uninstall that, and would let
+ # the new user installation to "shadow" it. But shadowing won't work
+ # in virtual environments, so we error out.
+ if running_under_virtualenv() and dist.in_site_packages:
+ message = (
+ f"Will not install to the user site because it will lack "
+ f"sys.path precedence to {dist.raw_name} in {dist.location}"
+ )
+ raise InstallationError(message)
+ return None
+
+ def _report_requires_python_error(
+ self, causes: Sequence["ConflictCause"]
+ ) -> UnsupportedPythonVersion:
+ assert causes, "Requires-Python error reported with no cause"
+
+ version = self._python_candidate.version
+
+ if len(causes) == 1:
+ specifier = str(causes[0].requirement.specifier)
+ message = (
+ f"Package {causes[0].parent.name!r} requires a different "
+ f"Python: {version} not in {specifier!r}"
+ )
+ return UnsupportedPythonVersion(message)
+
+ message = f"Packages require a different Python. {version} not in:"
+ for cause in causes:
+ package = cause.parent.format_for_error()
+ specifier = str(cause.requirement.specifier)
+ message += f"\n{specifier!r} (required by {package})"
+ return UnsupportedPythonVersion(message)
+
+ def _report_single_requirement_conflict(
+ self, req: Requirement, parent: Optional[Candidate]
+ ) -> DistributionNotFound:
+ if parent is None:
+ req_disp = str(req)
+ else:
+ req_disp = f"{req} (from {parent.name})"
+
+ cands = self._finder.find_all_candidates(req.project_name)
+ versions = [str(v) for v in sorted({c.version for c in cands})]
+
+ logger.critical(
+ "Could not find a version that satisfies the requirement %s "
+ "(from versions: %s)",
+ req_disp,
+ ", ".join(versions) or "none",
+ )
+ if str(req) == "requirements.txt":
+ logger.info(
+ "HINT: You are attempting to install a package literally "
+ 'named "requirements.txt" (which cannot exist). Consider '
+ "using the '-r' flag to install the packages listed in "
+ "requirements.txt"
+ )
+
+ return DistributionNotFound(f"No matching distribution found for {req}")
+
+ def get_installation_error(
+ self,
+ e: "ResolutionImpossible[Requirement, Candidate]",
+ constraints: Dict[str, Constraint],
+ ) -> InstallationError:
+
+ assert e.causes, "Installation error reported with no cause"
+
+ # If one of the things we can't solve is "we need Python X.Y",
+ # that is what we report.
+ requires_python_causes = [
+ cause
+ for cause in e.causes
+ if isinstance(cause.requirement, RequiresPythonRequirement)
+ and not cause.requirement.is_satisfied_by(self._python_candidate)
+ ]
+ if requires_python_causes:
+ # The comprehension above makes sure all Requirement instances are
+ # RequiresPythonRequirement, so let's cast for convinience.
+ return self._report_requires_python_error(
+ cast("Sequence[ConflictCause]", requires_python_causes),
+ )
+
+ # Otherwise, we have a set of causes which can't all be satisfied
+ # at once.
+
+ # The simplest case is when we have *one* cause that can't be
+ # satisfied. We just report that case.
+ if len(e.causes) == 1:
+ req, parent = e.causes[0]
+ if req.name not in constraints:
+ return self._report_single_requirement_conflict(req, parent)
+
+ # OK, we now have a list of requirements that can't all be
+ # satisfied at once.
+
+ # A couple of formatting helpers
+ def text_join(parts: List[str]) -> str:
+ if len(parts) == 1:
+ return parts[0]
+
+ return ", ".join(parts[:-1]) + " and " + parts[-1]
+
+ def describe_trigger(parent: Candidate) -> str:
+ ireq = parent.get_install_requirement()
+ if not ireq or not ireq.comes_from:
+ return f"{parent.name}=={parent.version}"
+ if isinstance(ireq.comes_from, InstallRequirement):
+ return str(ireq.comes_from.name)
+ return str(ireq.comes_from)
+
+ triggers = set()
+ for req, parent in e.causes:
+ if parent is None:
+ # This is a root requirement, so we can report it directly
+ trigger = req.format_for_error()
+ else:
+ trigger = describe_trigger(parent)
+ triggers.add(trigger)
+
+ if triggers:
+ info = text_join(sorted(triggers))
+ else:
+ info = "the requested packages"
+
+ msg = (
+ "Cannot install {} because these package versions "
+ "have conflicting dependencies.".format(info)
+ )
+ logger.critical(msg)
+ msg = "\nThe conflict is caused by:"
+
+ relevant_constraints = set()
+ for req, parent in e.causes:
+ if req.name in constraints:
+ relevant_constraints.add(req.name)
+ msg = msg + "\n "
+ if parent:
+ msg = msg + f"{parent.name} {parent.version} depends on "
+ else:
+ msg = msg + "The user requested "
+ msg = msg + req.format_for_error()
+ for key in relevant_constraints:
+ spec = constraints[key].specifier
+ msg += f"\n The user requested (constraint) {key}{spec}"
+
+ msg = (
+ msg
+ + "\n\n"
+ + "To fix this you could try to:\n"
+ + "1. loosen the range of package versions you've specified\n"
+ + "2. remove package versions to allow pip attempt to solve "
+ + "the dependency conflict\n"
+ )
+
+ logger.info(msg)
+
+ return DistributionNotFound(
+ "ResolutionImpossible: for help visit "
+ "https://pip.pypa.io/en/latest/user_guide/"
+ "#fixing-conflicting-dependencies"
+ )
diff --git a/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py
new file mode 100644
index 0000000..d2fa5ef
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py
@@ -0,0 +1,142 @@
+"""Utilities to lazily create and visit candidates found.
+
+Creating and visiting a candidate is a *very* costly operation. It involves
+fetching, extracting, potentially building modules from source, and verifying
+distribution metadata. It is therefore crucial for performance to keep
+everything here lazy all the way down, so we only touch candidates that we
+absolutely need, and not "download the world" when we only need one version of
+something.
+"""
+
+import functools
+from typing import Callable, Iterator, Optional, Set, Tuple
+
+from pip._vendor.packaging.version import _BaseVersion
+from pip._vendor.six.moves import collections_abc # type: ignore
+
+from .base import Candidate
+
+IndexCandidateInfo = Tuple[_BaseVersion, Callable[[], Optional[Candidate]]]
+
+
+def _iter_built(infos: Iterator[IndexCandidateInfo]) -> Iterator[Candidate]:
+ """Iterator for ``FoundCandidates``.
+
+ This iterator is used when the package is not already installed. Candidates
+ from index come later in their normal ordering.
+ """
+ versions_found: Set[_BaseVersion] = set()
+ for version, func in infos:
+ if version in versions_found:
+ continue
+ candidate = func()
+ if candidate is None:
+ continue
+ yield candidate
+ versions_found.add(version)
+
+
+def _iter_built_with_prepended(
+ installed: Candidate, infos: Iterator[IndexCandidateInfo]
+) -> Iterator[Candidate]:
+ """Iterator for ``FoundCandidates``.
+
+ This iterator is used when the resolver prefers the already-installed
+ candidate and NOT to upgrade. The installed candidate is therefore
+ always yielded first, and candidates from index come later in their
+ normal ordering, except skipped when the version is already installed.
+ """
+ yield installed
+ versions_found: Set[_BaseVersion] = {installed.version}
+ for version, func in infos:
+ if version in versions_found:
+ continue
+ candidate = func()
+ if candidate is None:
+ continue
+ yield candidate
+ versions_found.add(version)
+
+
+def _iter_built_with_inserted(
+ installed: Candidate, infos: Iterator[IndexCandidateInfo]
+) -> Iterator[Candidate]:
+ """Iterator for ``FoundCandidates``.
+
+ This iterator is used when the resolver prefers to upgrade an
+ already-installed package. Candidates from index are returned in their
+ normal ordering, except replaced when the version is already installed.
+
+ The implementation iterates through and yields other candidates, inserting
+ the installed candidate exactly once before we start yielding older or
+ equivalent candidates, or after all other candidates if they are all newer.
+ """
+ versions_found: Set[_BaseVersion] = set()
+ for version, func in infos:
+ if version in versions_found:
+ continue
+ # If the installed candidate is better, yield it first.
+ if installed.version >= version:
+ yield installed
+ versions_found.add(installed.version)
+ candidate = func()
+ if candidate is None:
+ continue
+ yield candidate
+ versions_found.add(version)
+
+ # If the installed candidate is older than all other candidates.
+ if installed.version not in versions_found:
+ yield installed
+
+
+class FoundCandidates(collections_abc.Sequence):
+ """A lazy sequence to provide candidates to the resolver.
+
+ The intended usage is to return this from `find_matches()` so the resolver
+ can iterate through the sequence multiple times, but only access the index
+ page when remote packages are actually needed. This improve performances
+ when suitable candidates are already installed on disk.
+ """
+
+ def __init__(
+ self,
+ get_infos: Callable[[], Iterator[IndexCandidateInfo]],
+ installed: Optional[Candidate],
+ prefers_installed: bool,
+ incompatible_ids: Set[int],
+ ):
+ self._get_infos = get_infos
+ self._installed = installed
+ self._prefers_installed = prefers_installed
+ self._incompatible_ids = incompatible_ids
+
+ def __getitem__(self, index: int) -> Candidate:
+ # Implemented to satisfy the ABC check. This is not needed by the
+ # resolver, and should not be used by the provider either (for
+ # performance reasons).
+ raise NotImplementedError("don't do this")
+
+ def __iter__(self) -> Iterator[Candidate]:
+ infos = self._get_infos()
+ if not self._installed:
+ iterator = _iter_built(infos)
+ elif self._prefers_installed:
+ iterator = _iter_built_with_prepended(self._installed, infos)
+ else:
+ iterator = _iter_built_with_inserted(self._installed, infos)
+ return (c for c in iterator if id(c) not in self._incompatible_ids)
+
+ def __len__(self) -> int:
+ # Implemented to satisfy the ABC check. This is not needed by the
+ # resolver, and should not be used by the provider either (for
+ # performance reasons).
+ raise NotImplementedError("don't do this")
+
+ @functools.lru_cache(maxsize=1)
+ def __bool__(self) -> bool:
+ if self._prefers_installed and self._installed:
+ return True
+ return any(self)
+
+ __nonzero__ = __bool__ # XXX: Python 2.
diff --git a/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/provider.py b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/provider.py
new file mode 100644
index 0000000..632854d
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/provider.py
@@ -0,0 +1,197 @@
+import collections
+import math
+from typing import TYPE_CHECKING, Dict, Iterable, Iterator, Mapping, Sequence, Union
+
+from pip._vendor.resolvelib.providers import AbstractProvider
+
+from .base import Candidate, Constraint, Requirement
+from .candidates import REQUIRES_PYTHON_IDENTIFIER
+from .factory import Factory
+
+if TYPE_CHECKING:
+ from pip._vendor.resolvelib.providers import Preference
+ from pip._vendor.resolvelib.resolvers import RequirementInformation
+
+ PreferenceInformation = RequirementInformation[Requirement, Candidate]
+
+ _ProviderBase = AbstractProvider[Requirement, Candidate, str]
+else:
+ _ProviderBase = AbstractProvider
+
+# Notes on the relationship between the provider, the factory, and the
+# candidate and requirement classes.
+#
+# The provider is a direct implementation of the resolvelib class. Its role
+# is to deliver the API that resolvelib expects.
+#
+# Rather than work with completely abstract "requirement" and "candidate"
+# concepts as resolvelib does, pip has concrete classes implementing these two
+# ideas. The API of Requirement and Candidate objects are defined in the base
+# classes, but essentially map fairly directly to the equivalent provider
+# methods. In particular, `find_matches` and `is_satisfied_by` are
+# requirement methods, and `get_dependencies` is a candidate method.
+#
+# The factory is the interface to pip's internal mechanisms. It is stateless,
+# and is created by the resolver and held as a property of the provider. It is
+# responsible for creating Requirement and Candidate objects, and provides
+# services to those objects (access to pip's finder and preparer).
+
+
+class PipProvider(_ProviderBase):
+ """Pip's provider implementation for resolvelib.
+
+ :params constraints: A mapping of constraints specified by the user. Keys
+ are canonicalized project names.
+ :params ignore_dependencies: Whether the user specified ``--no-deps``.
+ :params upgrade_strategy: The user-specified upgrade strategy.
+ :params user_requested: A set of canonicalized package names that the user
+ supplied for pip to install/upgrade.
+ """
+
+ def __init__(
+ self,
+ factory: Factory,
+ constraints: Dict[str, Constraint],
+ ignore_dependencies: bool,
+ upgrade_strategy: str,
+ user_requested: Dict[str, int],
+ ) -> None:
+ self._factory = factory
+ self._constraints = constraints
+ self._ignore_dependencies = ignore_dependencies
+ self._upgrade_strategy = upgrade_strategy
+ self._user_requested = user_requested
+ self._known_depths: Dict[str, float] = collections.defaultdict(lambda: math.inf)
+
+ def identify(self, requirement_or_candidate: Union[Requirement, Candidate]) -> str:
+ return requirement_or_candidate.name
+
+ def get_preference(
+ self,
+ identifier: str,
+ resolutions: Mapping[str, Candidate],
+ candidates: Mapping[str, Iterator[Candidate]],
+ information: Mapping[str, Iterator["PreferenceInformation"]],
+ ) -> "Preference":
+ """Produce a sort key for given requirement based on preference.
+
+ The lower the return value is, the more preferred this group of
+ arguments is.
+
+ Currently pip considers the followings in order:
+
+ * Prefer if any of the known requirements is "direct", e.g. points to an
+ explicit URL.
+ * If equal, prefer if any requirement is "pinned", i.e. contains
+ operator ``===`` or ``==``.
+ * If equal, calculate an approximate "depth" and resolve requirements
+ closer to the user-specified requirements first.
+ * Order user-specified requirements by the order they are specified.
+ * If equal, prefers "non-free" requirements, i.e. contains at least one
+ operator, such as ``>=`` or ``<``.
+ * If equal, order alphabetically for consistency (helps debuggability).
+ """
+ lookups = (r.get_candidate_lookup() for r, _ in information[identifier])
+ candidate, ireqs = zip(*lookups)
+ operators = [
+ specifier.operator
+ for specifier_set in (ireq.specifier for ireq in ireqs if ireq)
+ for specifier in specifier_set
+ ]
+
+ direct = candidate is not None
+ pinned = any(op[:2] == "==" for op in operators)
+ unfree = bool(operators)
+
+ try:
+ requested_order: Union[int, float] = self._user_requested[identifier]
+ except KeyError:
+ requested_order = math.inf
+ parent_depths = (
+ self._known_depths[parent.name] if parent is not None else 0.0
+ for _, parent in information[identifier]
+ )
+ inferred_depth = min(d for d in parent_depths) + 1.0
+ self._known_depths[identifier] = inferred_depth
+ else:
+ inferred_depth = 1.0
+
+ requested_order = self._user_requested.get(identifier, math.inf)
+
+ # Requires-Python has only one candidate and the check is basically
+ # free, so we always do it first to avoid needless work if it fails.
+ requires_python = identifier == REQUIRES_PYTHON_IDENTIFIER
+
+ # HACK: Setuptools have a very long and solid backward compatibility
+ # track record, and extremely few projects would request a narrow,
+ # non-recent version range of it since that would break a lot things.
+ # (Most projects specify it only to request for an installer feature,
+ # which does not work, but that's another topic.) Intentionally
+ # delaying Setuptools helps reduce branches the resolver has to check.
+ # This serves as a temporary fix for issues like "apache-airlfow[all]"
+ # while we work on "proper" branch pruning techniques.
+ delay_this = identifier == "setuptools"
+
+ return (
+ not requires_python,
+ delay_this,
+ not direct,
+ not pinned,
+ inferred_depth,
+ requested_order,
+ not unfree,
+ identifier,
+ )
+
+ def _get_constraint(self, identifier: str) -> Constraint:
+ if identifier in self._constraints:
+ return self._constraints[identifier]
+
+ # HACK: Theoratically we should check whether this identifier is a valid
+ # "NAME[EXTRAS]" format, and parse out the name part with packaging or
+ # some regular expression. But since pip's resolver only spits out
+ # three kinds of identifiers: normalized PEP 503 names, normalized names
+ # plus extras, and Requires-Python, we can cheat a bit here.
+ name, open_bracket, _ = identifier.partition("[")
+ if open_bracket and name in self._constraints:
+ return self._constraints[name]
+
+ return Constraint.empty()
+
+ def find_matches(
+ self,
+ identifier: str,
+ requirements: Mapping[str, Iterator[Requirement]],
+ incompatibilities: Mapping[str, Iterator[Candidate]],
+ ) -> Iterable[Candidate]:
+ def _eligible_for_upgrade(name: str) -> bool:
+ """Are upgrades allowed for this project?
+
+ This checks the upgrade strategy, and whether the project was one
+ that the user specified in the command line, in order to decide
+ whether we should upgrade if there's a newer version available.
+
+ (Note that we don't need access to the `--upgrade` flag, because
+ an upgrade strategy of "to-satisfy-only" means that `--upgrade`
+ was not specified).
+ """
+ if self._upgrade_strategy == "eager":
+ return True
+ elif self._upgrade_strategy == "only-if-needed":
+ return name in self._user_requested
+ return False
+
+ return self._factory.find_candidates(
+ identifier=identifier,
+ requirements=requirements,
+ constraint=self._get_constraint(identifier),
+ prefers_installed=(not _eligible_for_upgrade(identifier)),
+ incompatibilities=incompatibilities,
+ )
+
+ def is_satisfied_by(self, requirement: Requirement, candidate: Candidate) -> bool:
+ return requirement.is_satisfied_by(candidate)
+
+ def get_dependencies(self, candidate: Candidate) -> Sequence[Requirement]:
+ with_requires = not self._ignore_dependencies
+ return [r for r in candidate.iter_dependencies(with_requires) if r is not None]
diff --git a/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/reporter.py b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/reporter.py
new file mode 100644
index 0000000..7cf88ba
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/reporter.py
@@ -0,0 +1,69 @@
+from collections import defaultdict
+from logging import getLogger
+from typing import Any, DefaultDict
+
+from pip._vendor.resolvelib.reporters import BaseReporter
+
+from .base import Candidate, Requirement
+
+logger = getLogger(__name__)
+
+
+class PipReporter(BaseReporter):
+ def __init__(self) -> None:
+ self.backtracks_by_package: DefaultDict[str, int] = defaultdict(int)
+
+ self._messages_at_backtrack = {
+ 1: (
+ "pip is looking at multiple versions of {package_name} to "
+ "determine which version is compatible with other "
+ "requirements. This could take a while."
+ ),
+ 8: (
+ "pip is looking at multiple versions of {package_name} to "
+ "determine which version is compatible with other "
+ "requirements. This could take a while."
+ ),
+ 13: (
+ "This is taking longer than usual. You might need to provide "
+ "the dependency resolver with stricter constraints to reduce "
+ "runtime. If you want to abort this run, you can press "
+ "Ctrl + C to do so. To improve how pip performs, tell us what "
+ "happened here: https://pip.pypa.io/surveys/backtracking"
+ ),
+ }
+
+ def backtracking(self, candidate: Candidate) -> None:
+ self.backtracks_by_package[candidate.name] += 1
+
+ count = self.backtracks_by_package[candidate.name]
+ if count not in self._messages_at_backtrack:
+ return
+
+ message = self._messages_at_backtrack[count]
+ logger.info("INFO: %s", message.format(package_name=candidate.name))
+
+
+class PipDebuggingReporter(BaseReporter):
+ """A reporter that does an info log for every event it sees."""
+
+ def starting(self) -> None:
+ logger.info("Reporter.starting()")
+
+ def starting_round(self, index: int) -> None:
+ logger.info("Reporter.starting_round(%r)", index)
+
+ def ending_round(self, index: int, state: Any) -> None:
+ logger.info("Reporter.ending_round(%r, state)", index)
+
+ def ending(self, state: Any) -> None:
+ logger.info("Reporter.ending(%r)", state)
+
+ def adding_requirement(self, requirement: Requirement, parent: Candidate) -> None:
+ logger.info("Reporter.adding_requirement(%r, %r)", requirement, parent)
+
+ def backtracking(self, candidate: Candidate) -> None:
+ logger.info("Reporter.backtracking(%r)", candidate)
+
+ def pinning(self, candidate: Candidate) -> None:
+ logger.info("Reporter.pinning(%r)", candidate)
diff --git a/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/requirements.py b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/requirements.py
new file mode 100644
index 0000000..c19f83c
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/requirements.py
@@ -0,0 +1,166 @@
+from pip._vendor.packaging.specifiers import SpecifierSet
+from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
+
+from pip._internal.req.req_install import InstallRequirement
+
+from .base import Candidate, CandidateLookup, Requirement, format_name
+
+
+class ExplicitRequirement(Requirement):
+ def __init__(self, candidate: Candidate) -> None:
+ self.candidate = candidate
+
+ def __str__(self) -> str:
+ return str(self.candidate)
+
+ def __repr__(self) -> str:
+ return "{class_name}({candidate!r})".format(
+ class_name=self.__class__.__name__,
+ candidate=self.candidate,
+ )
+
+ @property
+ def project_name(self) -> NormalizedName:
+ # No need to canonicalise - the candidate did this
+ return self.candidate.project_name
+
+ @property
+ def name(self) -> str:
+ # No need to canonicalise - the candidate did this
+ return self.candidate.name
+
+ def format_for_error(self) -> str:
+ return self.candidate.format_for_error()
+
+ def get_candidate_lookup(self) -> CandidateLookup:
+ return self.candidate, None
+
+ def is_satisfied_by(self, candidate: Candidate) -> bool:
+ return candidate == self.candidate
+
+
+class SpecifierRequirement(Requirement):
+ def __init__(self, ireq: InstallRequirement) -> None:
+ assert ireq.link is None, "This is a link, not a specifier"
+ self._ireq = ireq
+ self._extras = frozenset(ireq.extras)
+
+ def __str__(self) -> str:
+ return str(self._ireq.req)
+
+ def __repr__(self) -> str:
+ return "{class_name}({requirement!r})".format(
+ class_name=self.__class__.__name__,
+ requirement=str(self._ireq.req),
+ )
+
+ @property
+ def project_name(self) -> NormalizedName:
+ assert self._ireq.req, "Specifier-backed ireq is always PEP 508"
+ return canonicalize_name(self._ireq.req.name)
+
+ @property
+ def name(self) -> str:
+ return format_name(self.project_name, self._extras)
+
+ def format_for_error(self) -> str:
+
+ # Convert comma-separated specifiers into "A, B, ..., F and G"
+ # This makes the specifier a bit more "human readable", without
+ # risking a change in meaning. (Hopefully! Not all edge cases have
+ # been checked)
+ parts = [s.strip() for s in str(self).split(",")]
+ if len(parts) == 0:
+ return ""
+ elif len(parts) == 1:
+ return parts[0]
+
+ return ", ".join(parts[:-1]) + " and " + parts[-1]
+
+ def get_candidate_lookup(self) -> CandidateLookup:
+ return None, self._ireq
+
+ def is_satisfied_by(self, candidate: Candidate) -> bool:
+ assert candidate.name == self.name, (
+ f"Internal issue: Candidate is not for this requirement "
+ f"{candidate.name} vs {self.name}"
+ )
+ # We can safely always allow prereleases here since PackageFinder
+ # already implements the prerelease logic, and would have filtered out
+ # prerelease candidates if the user does not expect them.
+ assert self._ireq.req, "Specifier-backed ireq is always PEP 508"
+ spec = self._ireq.req.specifier
+ return spec.contains(candidate.version, prereleases=True)
+
+
+class RequiresPythonRequirement(Requirement):
+ """A requirement representing Requires-Python metadata."""
+
+ def __init__(self, specifier: SpecifierSet, match: Candidate) -> None:
+ self.specifier = specifier
+ self._candidate = match
+
+ def __str__(self) -> str:
+ return f"Python {self.specifier}"
+
+ def __repr__(self) -> str:
+ return "{class_name}({specifier!r})".format(
+ class_name=self.__class__.__name__,
+ specifier=str(self.specifier),
+ )
+
+ @property
+ def project_name(self) -> NormalizedName:
+ return self._candidate.project_name
+
+ @property
+ def name(self) -> str:
+ return self._candidate.name
+
+ def format_for_error(self) -> str:
+ return str(self)
+
+ def get_candidate_lookup(self) -> CandidateLookup:
+ if self.specifier.contains(self._candidate.version, prereleases=True):
+ return self._candidate, None
+ return None, None
+
+ def is_satisfied_by(self, candidate: Candidate) -> bool:
+ assert candidate.name == self._candidate.name, "Not Python candidate"
+ # We can safely always allow prereleases here since PackageFinder
+ # already implements the prerelease logic, and would have filtered out
+ # prerelease candidates if the user does not expect them.
+ return self.specifier.contains(candidate.version, prereleases=True)
+
+
+class UnsatisfiableRequirement(Requirement):
+ """A requirement that cannot be satisfied."""
+
+ def __init__(self, name: NormalizedName) -> None:
+ self._name = name
+
+ def __str__(self) -> str:
+ return f"{self._name} (unavailable)"
+
+ def __repr__(self) -> str:
+ return "{class_name}({name!r})".format(
+ class_name=self.__class__.__name__,
+ name=str(self._name),
+ )
+
+ @property
+ def project_name(self) -> NormalizedName:
+ return self._name
+
+ @property
+ def name(self) -> str:
+ return self._name
+
+ def format_for_error(self) -> str:
+ return str(self)
+
+ def get_candidate_lookup(self) -> CandidateLookup:
+ return None, None
+
+ def is_satisfied_by(self, candidate: Candidate) -> bool:
+ return False
diff --git a/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/resolver.py b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/resolver.py
new file mode 100644
index 0000000..f89afaf
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/resolution/resolvelib/resolver.py
@@ -0,0 +1,272 @@
+import functools
+import logging
+import os
+from typing import TYPE_CHECKING, Dict, List, Optional, Set, Tuple, cast
+
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.resolvelib import BaseReporter, ResolutionImpossible
+from pip._vendor.resolvelib import Resolver as RLResolver
+from pip._vendor.resolvelib.structs import DirectedGraph
+
+from pip._internal.cache import WheelCache
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.operations.prepare import RequirementPreparer
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.req.req_set import RequirementSet
+from pip._internal.resolution.base import BaseResolver, InstallRequirementProvider
+from pip._internal.resolution.resolvelib.provider import PipProvider
+from pip._internal.resolution.resolvelib.reporter import (
+ PipDebuggingReporter,
+ PipReporter,
+)
+from pip._internal.utils.deprecation import deprecated
+from pip._internal.utils.filetypes import is_archive_file
+
+from .base import Candidate, Requirement
+from .factory import Factory
+
+if TYPE_CHECKING:
+ from pip._vendor.resolvelib.resolvers import Result as RLResult
+
+ Result = RLResult[Requirement, Candidate, str]
+
+
+logger = logging.getLogger(__name__)
+
+
+class Resolver(BaseResolver):
+ _allowed_strategies = {"eager", "only-if-needed", "to-satisfy-only"}
+
+ def __init__(
+ self,
+ preparer: RequirementPreparer,
+ finder: PackageFinder,
+ wheel_cache: Optional[WheelCache],
+ make_install_req: InstallRequirementProvider,
+ use_user_site: bool,
+ ignore_dependencies: bool,
+ ignore_installed: bool,
+ ignore_requires_python: bool,
+ force_reinstall: bool,
+ upgrade_strategy: str,
+ py_version_info: Optional[Tuple[int, ...]] = None,
+ ):
+ super().__init__()
+ assert upgrade_strategy in self._allowed_strategies
+
+ self.factory = Factory(
+ finder=finder,
+ preparer=preparer,
+ make_install_req=make_install_req,
+ wheel_cache=wheel_cache,
+ use_user_site=use_user_site,
+ force_reinstall=force_reinstall,
+ ignore_installed=ignore_installed,
+ ignore_requires_python=ignore_requires_python,
+ py_version_info=py_version_info,
+ )
+ self.ignore_dependencies = ignore_dependencies
+ self.upgrade_strategy = upgrade_strategy
+ self._result: Optional[Result] = None
+
+ def resolve(
+ self, root_reqs: List[InstallRequirement], check_supported_wheels: bool
+ ) -> RequirementSet:
+ collected = self.factory.collect_root_requirements(root_reqs)
+ provider = PipProvider(
+ factory=self.factory,
+ constraints=collected.constraints,
+ ignore_dependencies=self.ignore_dependencies,
+ upgrade_strategy=self.upgrade_strategy,
+ user_requested=collected.user_requested,
+ )
+ if "PIP_RESOLVER_DEBUG" in os.environ:
+ reporter: BaseReporter = PipDebuggingReporter()
+ else:
+ reporter = PipReporter()
+ resolver: RLResolver[Requirement, Candidate, str] = RLResolver(
+ provider,
+ reporter,
+ )
+
+ try:
+ try_to_avoid_resolution_too_deep = 2000000
+ result = self._result = resolver.resolve(
+ collected.requirements, max_rounds=try_to_avoid_resolution_too_deep
+ )
+
+ except ResolutionImpossible as e:
+ error = self.factory.get_installation_error(
+ cast("ResolutionImpossible[Requirement, Candidate]", e),
+ collected.constraints,
+ )
+ raise error from e
+
+ req_set = RequirementSet(check_supported_wheels=check_supported_wheels)
+ for candidate in result.mapping.values():
+ ireq = candidate.get_install_requirement()
+ if ireq is None:
+ continue
+
+ # Check if there is already an installation under the same name,
+ # and set a flag for later stages to uninstall it, if needed.
+ installed_dist = self.factory.get_dist_to_uninstall(candidate)
+ if installed_dist is None:
+ # There is no existing installation -- nothing to uninstall.
+ ireq.should_reinstall = False
+ elif self.factory.force_reinstall:
+ # The --force-reinstall flag is set -- reinstall.
+ ireq.should_reinstall = True
+ elif installed_dist.version != candidate.version:
+ # The installation is different in version -- reinstall.
+ ireq.should_reinstall = True
+ elif candidate.is_editable or installed_dist.editable:
+ # The incoming distribution is editable, or different in
+ # editable-ness to installation -- reinstall.
+ ireq.should_reinstall = True
+ elif candidate.source_link and candidate.source_link.is_file:
+ # The incoming distribution is under file://
+ if candidate.source_link.is_wheel:
+ # is a local wheel -- do nothing.
+ logger.info(
+ "%s is already installed with the same version as the "
+ "provided wheel. Use --force-reinstall to force an "
+ "installation of the wheel.",
+ ireq.name,
+ )
+ continue
+
+ looks_like_sdist = (
+ is_archive_file(candidate.source_link.file_path)
+ and candidate.source_link.ext != ".zip"
+ )
+ if looks_like_sdist:
+ # is a local sdist -- show a deprecation warning!
+ reason = (
+ "Source distribution is being reinstalled despite an "
+ "installed package having the same name and version as "
+ "the installed package."
+ )
+ replacement = "use --force-reinstall"
+ deprecated(
+ reason=reason,
+ replacement=replacement,
+ gone_in="21.3",
+ issue=8711,
+ )
+
+ # is a local sdist or path -- reinstall
+ ireq.should_reinstall = True
+ else:
+ continue
+
+ link = candidate.source_link
+ if link and link.is_yanked:
+ # The reason can contain non-ASCII characters, Unicode
+ # is required for Python 2.
+ msg = (
+ "The candidate selected for download or install is a "
+ "yanked version: {name!r} candidate (version {version} "
+ "at {link})\nReason for being yanked: {reason}"
+ ).format(
+ name=candidate.name,
+ version=candidate.version,
+ link=link,
+ reason=link.yanked_reason or "",
+ )
+ logger.warning(msg)
+
+ req_set.add_named_requirement(ireq)
+
+ reqs = req_set.all_requirements
+ self.factory.preparer.prepare_linked_requirements_more(reqs)
+ return req_set
+
+ def get_installation_order(
+ self, req_set: RequirementSet
+ ) -> List[InstallRequirement]:
+ """Get order for installation of requirements in RequirementSet.
+
+ The returned list contains a requirement before another that depends on
+ it. This helps ensure that the environment is kept consistent as they
+ get installed one-by-one.
+
+ The current implementation creates a topological ordering of the
+ dependency graph, while breaking any cycles in the graph at arbitrary
+ points. We make no guarantees about where the cycle would be broken,
+ other than they would be broken.
+ """
+ assert self._result is not None, "must call resolve() first"
+
+ graph = self._result.graph
+ weights = get_topological_weights(
+ graph,
+ expected_node_count=len(self._result.mapping) + 1,
+ )
+
+ sorted_items = sorted(
+ req_set.requirements.items(),
+ key=functools.partial(_req_set_item_sorter, weights=weights),
+ reverse=True,
+ )
+ return [ireq for _, ireq in sorted_items]
+
+
+def get_topological_weights(
+ graph: "DirectedGraph[Optional[str]]", expected_node_count: int
+) -> Dict[Optional[str], int]:
+ """Assign weights to each node based on how "deep" they are.
+
+ This implementation may change at any point in the future without prior
+ notice.
+
+ We take the length for the longest path to any node from root, ignoring any
+ paths that contain a single node twice (i.e. cycles). This is done through
+ a depth-first search through the graph, while keeping track of the path to
+ the node.
+
+ Cycles in the graph result would result in node being revisited while also
+ being it's own path. In this case, take no action. This helps ensure we
+ don't get stuck in a cycle.
+
+ When assigning weight, the longer path (i.e. larger length) is preferred.
+ """
+ path: Set[Optional[str]] = set()
+ weights: Dict[Optional[str], int] = {}
+
+ def visit(node: Optional[str]) -> None:
+ if node in path:
+ # We hit a cycle, so we'll break it here.
+ return
+
+ # Time to visit the children!
+ path.add(node)
+ for child in graph.iter_children(node):
+ visit(child)
+ path.remove(node)
+
+ last_known_parent_count = weights.get(node, 0)
+ weights[node] = max(last_known_parent_count, len(path))
+
+ # `None` is guaranteed to be the root node by resolvelib.
+ visit(None)
+
+ # Sanity checks
+ assert weights[None] == 0
+ assert len(weights) == expected_node_count
+
+ return weights
+
+
+def _req_set_item_sorter(
+ item: Tuple[str, InstallRequirement],
+ weights: Dict[Optional[str], int],
+) -> Tuple[int, str]:
+ """Key function used to sort install requirements for installation.
+
+ Based on the "weight" mapping calculated in ``get_installation_order()``.
+ The canonical package name is returned as the second member as a tie-
+ breaker to ensure the result is predictable, which is useful in tests.
+ """
+ name = canonicalize_name(item[0])
+ return weights[name], name
diff --git a/Scripts/Lib/site-packages/pip/_internal/self_outdated_check.py b/Scripts/Lib/site-packages/pip/_internal/self_outdated_check.py
new file mode 100644
index 0000000..6b24965
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/self_outdated_check.py
@@ -0,0 +1,187 @@
+import datetime
+import hashlib
+import json
+import logging
+import optparse
+import os.path
+import sys
+from typing import Any, Dict
+
+from pip._vendor.packaging.version import parse as parse_version
+
+from pip._internal.index.collector import LinkCollector
+from pip._internal.index.package_finder import PackageFinder
+from pip._internal.metadata import get_default_environment
+from pip._internal.models.selection_prefs import SelectionPreferences
+from pip._internal.network.session import PipSession
+from pip._internal.utils.filesystem import adjacent_tmp_file, check_path_owner, replace
+from pip._internal.utils.misc import ensure_dir
+
+SELFCHECK_DATE_FMT = "%Y-%m-%dT%H:%M:%SZ"
+
+
+logger = logging.getLogger(__name__)
+
+
+def _get_statefile_name(key):
+ # type: (str) -> str
+ key_bytes = key.encode()
+ name = hashlib.sha224(key_bytes).hexdigest()
+ return name
+
+
+class SelfCheckState:
+ def __init__(self, cache_dir):
+ # type: (str) -> None
+ self.state = {} # type: Dict[str, Any]
+ self.statefile_path = None
+
+ # Try to load the existing state
+ if cache_dir:
+ self.statefile_path = os.path.join(
+ cache_dir, "selfcheck", _get_statefile_name(self.key)
+ )
+ try:
+ with open(self.statefile_path, encoding="utf-8") as statefile:
+ self.state = json.load(statefile)
+ except (OSError, ValueError, KeyError):
+ # Explicitly suppressing exceptions, since we don't want to
+ # error out if the cache file is invalid.
+ pass
+
+ @property
+ def key(self):
+ # type: () -> str
+ return sys.prefix
+
+ def save(self, pypi_version, current_time):
+ # type: (str, datetime.datetime) -> None
+ # If we do not have a path to cache in, don't bother saving.
+ if not self.statefile_path:
+ return
+
+ # Check to make sure that we own the directory
+ if not check_path_owner(os.path.dirname(self.statefile_path)):
+ return
+
+ # Now that we've ensured the directory is owned by this user, we'll go
+ # ahead and make sure that all our directories are created.
+ ensure_dir(os.path.dirname(self.statefile_path))
+
+ state = {
+ # Include the key so it's easy to tell which pip wrote the
+ # file.
+ "key": self.key,
+ "last_check": current_time.strftime(SELFCHECK_DATE_FMT),
+ "pypi_version": pypi_version,
+ }
+
+ text = json.dumps(state, sort_keys=True, separators=(",", ":"))
+
+ with adjacent_tmp_file(self.statefile_path) as f:
+ f.write(text.encode())
+
+ try:
+ # Since we have a prefix-specific state file, we can just
+ # overwrite whatever is there, no need to check.
+ replace(f.name, self.statefile_path)
+ except OSError:
+ # Best effort.
+ pass
+
+
+def was_installed_by_pip(pkg):
+ # type: (str) -> bool
+ """Checks whether pkg was installed by pip
+
+ This is used not to display the upgrade message when pip is in fact
+ installed by system package manager, such as dnf on Fedora.
+ """
+ dist = get_default_environment().get_distribution(pkg)
+ return dist is not None and "pip" == dist.installer
+
+
+def pip_self_version_check(session, options):
+ # type: (PipSession, optparse.Values) -> None
+ """Check for an update for pip.
+
+ Limit the frequency of checks to once per week. State is stored either in
+ the active virtualenv or in the user's USER_CACHE_DIR keyed off the prefix
+ of the pip script path.
+ """
+ installed_dist = get_default_environment().get_distribution("pip")
+ if not installed_dist:
+ return
+
+ pip_version = installed_dist.version
+ pypi_version = None
+
+ try:
+ state = SelfCheckState(cache_dir=options.cache_dir)
+
+ current_time = datetime.datetime.utcnow()
+ # Determine if we need to refresh the state
+ if "last_check" in state.state and "pypi_version" in state.state:
+ last_check = datetime.datetime.strptime(
+ state.state["last_check"],
+ SELFCHECK_DATE_FMT
+ )
+ if (current_time - last_check).total_seconds() < 7 * 24 * 60 * 60:
+ pypi_version = state.state["pypi_version"]
+
+ # Refresh the version if we need to or just see if we need to warn
+ if pypi_version is None:
+ # Lets use PackageFinder to see what the latest pip version is
+ link_collector = LinkCollector.create(
+ session,
+ options=options,
+ suppress_no_index=True,
+ )
+
+ # Pass allow_yanked=False so we don't suggest upgrading to a
+ # yanked version.
+ selection_prefs = SelectionPreferences(
+ allow_yanked=False,
+ allow_all_prereleases=False, # Explicitly set to False
+ )
+
+ finder = PackageFinder.create(
+ link_collector=link_collector,
+ selection_prefs=selection_prefs,
+ )
+ best_candidate = finder.find_best_candidate("pip").best_candidate
+ if best_candidate is None:
+ return
+ pypi_version = str(best_candidate.version)
+
+ # save that we've performed a check
+ state.save(pypi_version, current_time)
+
+ remote_version = parse_version(pypi_version)
+
+ local_version_is_older = (
+ pip_version < remote_version and
+ pip_version.base_version != remote_version.base_version and
+ was_installed_by_pip('pip')
+ )
+
+ # Determine if our pypi_version is older
+ if not local_version_is_older:
+ return
+
+ # We cannot tell how the current pip is available in the current
+ # command context, so be pragmatic here and suggest the command
+ # that's always available. This does not accommodate spaces in
+ # `sys.executable`.
+ pip_cmd = f"{sys.executable} -m pip"
+ logger.warning(
+ "You are using pip version %s; however, version %s is "
+ "available.\nYou should consider upgrading via the "
+ "'%s install --upgrade pip' command.",
+ pip_version, pypi_version, pip_cmd
+ )
+ except Exception:
+ logger.debug(
+ "There was an error checking the latest version of pip",
+ exc_info=True,
+ )
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index 0000000..92c4c6a
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/_log.py
@@ -0,0 +1,38 @@
+"""Customize logging
+
+Defines custom logger class for the `logger.verbose(...)` method.
+
+init_logging() must be called before any other modules that call logging.getLogger.
+"""
+
+import logging
+from typing import Any, cast
+
+# custom log level for `--verbose` output
+# between DEBUG and INFO
+VERBOSE = 15
+
+
+class VerboseLogger(logging.Logger):
+ """Custom Logger, defining a verbose log-level
+
+ VERBOSE is between INFO and DEBUG.
+ """
+
+ def verbose(self, msg: str, *args: Any, **kwargs: Any) -> None:
+ return self.log(VERBOSE, msg, *args, **kwargs)
+
+
+def getLogger(name: str) -> VerboseLogger:
+ """logging.getLogger, but ensures our VerboseLogger class is returned"""
+ return cast(VerboseLogger, logging.getLogger(name))
+
+
+def init_logging() -> None:
+ """Register our VerboseLogger and VERBOSE log level.
+
+ Should be called before any calls to getLogger(),
+ i.e. in pip._internal.__init__
+ """
+ logging.setLoggerClass(VerboseLogger)
+ logging.addLevelName(VERBOSE, "VERBOSE")
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/appdirs.py b/Scripts/Lib/site-packages/pip/_internal/utils/appdirs.py
new file mode 100644
index 0000000..a8403b7
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/appdirs.py
@@ -0,0 +1,35 @@
+"""
+This code wraps the vendored appdirs module to so the return values are
+compatible for the current pip code base.
+
+The intention is to rewrite current usages gradually, keeping the tests pass,
+and eventually drop this after all usages are changed.
+"""
+
+import os
+from typing import List
+
+from pip._vendor import appdirs as _appdirs
+
+
+def user_cache_dir(appname: str) -> str:
+ return _appdirs.user_cache_dir(appname, appauthor=False)
+
+
+def user_config_dir(appname: str, roaming: bool = True) -> str:
+ path = _appdirs.user_config_dir(appname, appauthor=False, roaming=roaming)
+ if _appdirs.system == "darwin" and not os.path.isdir(path):
+ path = os.path.expanduser("~/.config/")
+ if appname:
+ path = os.path.join(path, appname)
+ return path
+
+
+# for the discussion regarding site_config_dir locations
+# see
+def site_config_dirs(appname: str) -> List[str]:
+ dirval = _appdirs.site_config_dir(appname, appauthor=False, multipath=True)
+ if _appdirs.system not in ["win32", "darwin"]:
+ # always look in /etc directly as well
+ return dirval.split(os.pathsep) + ["/etc"]
+ return [dirval]
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/compat.py b/Scripts/Lib/site-packages/pip/_internal/utils/compat.py
new file mode 100644
index 0000000..3f4d300
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/compat.py
@@ -0,0 +1,63 @@
+"""Stuff that differs in different Python versions and platform
+distributions."""
+
+import logging
+import os
+import sys
+
+__all__ = ["get_path_uid", "stdlib_pkgs", "WINDOWS"]
+
+
+logger = logging.getLogger(__name__)
+
+
+def has_tls() -> bool:
+ try:
+ import _ssl # noqa: F401 # ignore unused
+
+ return True
+ except ImportError:
+ pass
+
+ from pip._vendor.urllib3.util import IS_PYOPENSSL
+
+ return IS_PYOPENSSL
+
+
+def get_path_uid(path: str) -> int:
+ """
+ Return path's uid.
+
+ Does not follow symlinks:
+ https://github.com/pypa/pip/pull/935#discussion_r5307003
+
+ Placed this function in compat due to differences on AIX and
+ Jython, that should eventually go away.
+
+ :raises OSError: When path is a symlink or can't be read.
+ """
+ if hasattr(os, "O_NOFOLLOW"):
+ fd = os.open(path, os.O_RDONLY | os.O_NOFOLLOW)
+ file_uid = os.fstat(fd).st_uid
+ os.close(fd)
+ else: # AIX and Jython
+ # WARNING: time of check vulnerability, but best we can do w/o NOFOLLOW
+ if not os.path.islink(path):
+ # older versions of Jython don't have `os.fstat`
+ file_uid = os.stat(path).st_uid
+ else:
+ # raise OSError for parity with os.O_NOFOLLOW above
+ raise OSError(f"{path} is a symlink; Will not return uid for symlinks")
+ return file_uid
+
+
+# packages in the stdlib that may have installation metadata, but should not be
+# considered 'installed'. this theoretically could be determined based on
+# dist.location (py27:`sysconfig.get_paths()['stdlib']`,
+# py26:sysconfig.get_config_vars('LIBDEST')), but fear platform variation may
+# make this ineffective, so hard-coding
+stdlib_pkgs = {"python", "wsgiref", "argparse"}
+
+
+# windows detection, covers cpython and ironpython
+WINDOWS = sys.platform.startswith("win") or (sys.platform == "cli" and os.name == "nt")
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/compatibility_tags.py b/Scripts/Lib/site-packages/pip/_internal/utils/compatibility_tags.py
new file mode 100644
index 0000000..f1c0f06
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/compatibility_tags.py
@@ -0,0 +1,168 @@
+"""Generate and work with PEP 425 Compatibility Tags.
+"""
+
+import re
+from typing import TYPE_CHECKING, List, Optional, Tuple
+
+from pip._vendor.packaging.tags import (
+ Tag,
+ compatible_tags,
+ cpython_tags,
+ generic_tags,
+ interpreter_name,
+ interpreter_version,
+ mac_platforms,
+)
+
+if TYPE_CHECKING:
+ from pip._vendor.packaging.tags import PythonVersion
+
+
+_osx_arch_pat = re.compile(r"(.+)_(\d+)_(\d+)_(.+)")
+
+
+def version_info_to_nodot(version_info: Tuple[int, ...]) -> str:
+ # Only use up to the first two numbers.
+ return "".join(map(str, version_info[:2]))
+
+
+def _mac_platforms(arch: str) -> List[str]:
+ match = _osx_arch_pat.match(arch)
+ if match:
+ name, major, minor, actual_arch = match.groups()
+ mac_version = (int(major), int(minor))
+ arches = [
+ # Since we have always only checked that the platform starts
+ # with "macosx", for backwards-compatibility we extract the
+ # actual prefix provided by the user in case they provided
+ # something like "macosxcustom_". It may be good to remove
+ # this as undocumented or deprecate it in the future.
+ "{}_{}".format(name, arch[len("macosx_") :])
+ for arch in mac_platforms(mac_version, actual_arch)
+ ]
+ else:
+ # arch pattern didn't match (?!)
+ arches = [arch]
+ return arches
+
+
+def _custom_manylinux_platforms(arch: str) -> List[str]:
+ arches = [arch]
+ arch_prefix, arch_sep, arch_suffix = arch.partition("_")
+ if arch_prefix == "manylinux2014":
+ # manylinux1/manylinux2010 wheels run on most manylinux2014 systems
+ # with the exception of wheels depending on ncurses. PEP 599 states
+ # manylinux1/manylinux2010 wheels should be considered
+ # manylinux2014 wheels:
+ # https://www.python.org/dev/peps/pep-0599/#backwards-compatibility-with-manylinux2010-wheels
+ if arch_suffix in {"i686", "x86_64"}:
+ arches.append("manylinux2010" + arch_sep + arch_suffix)
+ arches.append("manylinux1" + arch_sep + arch_suffix)
+ elif arch_prefix == "manylinux2010":
+ # manylinux1 wheels run on most manylinux2010 systems with the
+ # exception of wheels depending on ncurses. PEP 571 states
+ # manylinux1 wheels should be considered manylinux2010 wheels:
+ # https://www.python.org/dev/peps/pep-0571/#backwards-compatibility-with-manylinux1-wheels
+ arches.append("manylinux1" + arch_sep + arch_suffix)
+ return arches
+
+
+def _get_custom_platforms(arch: str) -> List[str]:
+ arch_prefix, arch_sep, arch_suffix = arch.partition("_")
+ if arch.startswith("macosx"):
+ arches = _mac_platforms(arch)
+ elif arch_prefix in ["manylinux2014", "manylinux2010"]:
+ arches = _custom_manylinux_platforms(arch)
+ else:
+ arches = [arch]
+ return arches
+
+
+def _expand_allowed_platforms(platforms: Optional[List[str]]) -> Optional[List[str]]:
+ if not platforms:
+ return None
+
+ seen = set()
+ result = []
+
+ for p in platforms:
+ if p in seen:
+ continue
+ additions = [c for c in _get_custom_platforms(p) if c not in seen]
+ seen.update(additions)
+ result.extend(additions)
+
+ return result
+
+
+def _get_python_version(version: str) -> "PythonVersion":
+ if len(version) > 1:
+ return int(version[0]), int(version[1:])
+ else:
+ return (int(version[0]),)
+
+
+def _get_custom_interpreter(
+ implementation: Optional[str] = None, version: Optional[str] = None
+) -> str:
+ if implementation is None:
+ implementation = interpreter_name()
+ if version is None:
+ version = interpreter_version()
+ return f"{implementation}{version}"
+
+
+def get_supported(
+ version: Optional[str] = None,
+ platforms: Optional[List[str]] = None,
+ impl: Optional[str] = None,
+ abis: Optional[List[str]] = None,
+) -> List[Tag]:
+ """Return a list of supported tags for each version specified in
+ `versions`.
+
+ :param version: a string version, of the form "33" or "32",
+ or None. The version will be assumed to support our ABI.
+ :param platform: specify a list of platforms you want valid
+ tags for, or None. If None, use the local system platform.
+ :param impl: specify the exact implementation you want valid
+ tags for, or None. If None, use the local interpreter impl.
+ :param abis: specify a list of abis you want valid
+ tags for, or None. If None, use the local interpreter abi.
+ """
+ supported: List[Tag] = []
+
+ python_version: Optional["PythonVersion"] = None
+ if version is not None:
+ python_version = _get_python_version(version)
+
+ interpreter = _get_custom_interpreter(impl, version)
+
+ platforms = _expand_allowed_platforms(platforms)
+
+ is_cpython = (impl or interpreter_name()) == "cp"
+ if is_cpython:
+ supported.extend(
+ cpython_tags(
+ python_version=python_version,
+ abis=abis,
+ platforms=platforms,
+ )
+ )
+ else:
+ supported.extend(
+ generic_tags(
+ interpreter=interpreter,
+ abis=abis,
+ platforms=platforms,
+ )
+ )
+ supported.extend(
+ compatible_tags(
+ python_version=python_version,
+ interpreter=interpreter,
+ platforms=platforms,
+ )
+ )
+
+ return supported
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/datetime.py b/Scripts/Lib/site-packages/pip/_internal/utils/datetime.py
new file mode 100644
index 0000000..8668b3b
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/datetime.py
@@ -0,0 +1,11 @@
+"""For when pip wants to check the date or time.
+"""
+
+import datetime
+
+
+def today_is_later_than(year: int, month: int, day: int) -> bool:
+ today = datetime.date.today()
+ given = datetime.date(year, month, day)
+
+ return today > given
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/deprecation.py b/Scripts/Lib/site-packages/pip/_internal/utils/deprecation.py
new file mode 100644
index 0000000..57dbdbd
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/deprecation.py
@@ -0,0 +1,104 @@
+"""
+A module that implements tooling to enable easy warnings about deprecations.
+"""
+
+import logging
+import warnings
+from typing import Any, Optional, TextIO, Type, Union
+
+from pip._vendor.packaging.version import parse
+
+from pip import __version__ as current_version
+
+DEPRECATION_MSG_PREFIX = "DEPRECATION: "
+
+
+class PipDeprecationWarning(Warning):
+ pass
+
+
+_original_showwarning: Any = None
+
+
+# Warnings <-> Logging Integration
+def _showwarning(
+ message: Union[Warning, str],
+ category: Type[Warning],
+ filename: str,
+ lineno: int,
+ file: Optional[TextIO] = None,
+ line: Optional[str] = None,
+) -> None:
+ if file is not None:
+ if _original_showwarning is not None:
+ _original_showwarning(message, category, filename, lineno, file, line)
+ elif issubclass(category, PipDeprecationWarning):
+ # We use a specially named logger which will handle all of the
+ # deprecation messages for pip.
+ logger = logging.getLogger("pip._internal.deprecations")
+ logger.warning(message)
+ else:
+ _original_showwarning(message, category, filename, lineno, file, line)
+
+
+def install_warning_logger() -> None:
+ # Enable our Deprecation Warnings
+ warnings.simplefilter("default", PipDeprecationWarning, append=True)
+
+ global _original_showwarning
+
+ if _original_showwarning is None:
+ _original_showwarning = warnings.showwarning
+ warnings.showwarning = _showwarning
+
+
+def deprecated(
+ reason: str,
+ replacement: Optional[str],
+ gone_in: Optional[str],
+ issue: Optional[int] = None,
+) -> None:
+ """Helper to deprecate existing functionality.
+
+ reason:
+ Textual reason shown to the user about why this functionality has
+ been deprecated.
+ replacement:
+ Textual suggestion shown to the user about what alternative
+ functionality they can use.
+ gone_in:
+ The version of pip does this functionality should get removed in.
+ Raises errors if pip's current version is greater than or equal to
+ this.
+ issue:
+ Issue number on the tracker that would serve as a useful place for
+ users to find related discussion and provide feedback.
+
+ Always pass replacement, gone_in and issue as keyword arguments for clarity
+ at the call site.
+ """
+
+ # Construct a nice message.
+ # This is eagerly formatted as we want it to get logged as if someone
+ # typed this entire message out.
+ sentences = [
+ (reason, DEPRECATION_MSG_PREFIX + "{}"),
+ (gone_in, "pip {} will remove support for this functionality."),
+ (replacement, "A possible replacement is {}."),
+ (
+ issue,
+ (
+ "You can find discussion regarding this at "
+ "https://github.com/pypa/pip/issues/{}."
+ ),
+ ),
+ ]
+ message = " ".join(
+ template.format(val) for val, template in sentences if val is not None
+ )
+
+ # Raise as an error if it has to be removed.
+ if gone_in is not None and parse(current_version) >= parse(gone_in):
+ raise PipDeprecationWarning(message)
+
+ warnings.warn(message, category=PipDeprecationWarning, stacklevel=2)
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/direct_url_helpers.py b/Scripts/Lib/site-packages/pip/_internal/utils/direct_url_helpers.py
new file mode 100644
index 0000000..088e977
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/direct_url_helpers.py
@@ -0,0 +1,79 @@
+from typing import Optional
+
+from pip._internal.models.direct_url import ArchiveInfo, DirectUrl, DirInfo, VcsInfo
+from pip._internal.models.link import Link
+from pip._internal.vcs import vcs
+
+
+def direct_url_as_pep440_direct_reference(direct_url: DirectUrl, name: str) -> str:
+ """Convert a DirectUrl to a pip requirement string."""
+ direct_url.validate() # if invalid, this is a pip bug
+ requirement = name + " @ "
+ fragments = []
+ if isinstance(direct_url.info, VcsInfo):
+ requirement += "{}+{}@{}".format(
+ direct_url.info.vcs, direct_url.url, direct_url.info.commit_id
+ )
+ elif isinstance(direct_url.info, ArchiveInfo):
+ requirement += direct_url.url
+ if direct_url.info.hash:
+ fragments.append(direct_url.info.hash)
+ else:
+ assert isinstance(direct_url.info, DirInfo)
+ requirement += direct_url.url
+ if direct_url.subdirectory:
+ fragments.append("subdirectory=" + direct_url.subdirectory)
+ if fragments:
+ requirement += "#" + "&".join(fragments)
+ return requirement
+
+
+def direct_url_from_link(
+ link: Link, source_dir: Optional[str] = None, link_is_in_wheel_cache: bool = False
+) -> DirectUrl:
+ if link.is_vcs:
+ vcs_backend = vcs.get_backend_for_scheme(link.scheme)
+ assert vcs_backend
+ url, requested_revision, _ = vcs_backend.get_url_rev_and_auth(
+ link.url_without_fragment
+ )
+ # For VCS links, we need to find out and add commit_id.
+ if link_is_in_wheel_cache:
+ # If the requested VCS link corresponds to a cached
+ # wheel, it means the requested revision was an
+ # immutable commit hash, otherwise it would not have
+ # been cached. In that case we don't have a source_dir
+ # with the VCS checkout.
+ assert requested_revision
+ commit_id = requested_revision
+ else:
+ # If the wheel was not in cache, it means we have
+ # had to checkout from VCS to build and we have a source_dir
+ # which we can inspect to find out the commit id.
+ assert source_dir
+ commit_id = vcs_backend.get_revision(source_dir)
+ return DirectUrl(
+ url=url,
+ info=VcsInfo(
+ vcs=vcs_backend.name,
+ commit_id=commit_id,
+ requested_revision=requested_revision,
+ ),
+ subdirectory=link.subdirectory_fragment,
+ )
+ elif link.is_existing_dir():
+ return DirectUrl(
+ url=link.url_without_fragment,
+ info=DirInfo(),
+ subdirectory=link.subdirectory_fragment,
+ )
+ else:
+ hash = None
+ hash_name = link.hash_name
+ if hash_name:
+ hash = f"{hash_name}={link.hash}"
+ return DirectUrl(
+ url=link.url_without_fragment,
+ info=ArchiveInfo(hash=hash),
+ subdirectory=link.subdirectory_fragment,
+ )
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/distutils_args.py b/Scripts/Lib/site-packages/pip/_internal/utils/distutils_args.py
new file mode 100644
index 0000000..e4aa5b8
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/distutils_args.py
@@ -0,0 +1,42 @@
+from distutils.errors import DistutilsArgError
+from distutils.fancy_getopt import FancyGetopt
+from typing import Dict, List
+
+_options = [
+ ("exec-prefix=", None, ""),
+ ("home=", None, ""),
+ ("install-base=", None, ""),
+ ("install-data=", None, ""),
+ ("install-headers=", None, ""),
+ ("install-lib=", None, ""),
+ ("install-platlib=", None, ""),
+ ("install-purelib=", None, ""),
+ ("install-scripts=", None, ""),
+ ("prefix=", None, ""),
+ ("root=", None, ""),
+ ("user", None, ""),
+]
+
+
+# typeshed doesn't permit Tuple[str, None, str], see python/typeshed#3469.
+_distutils_getopt = FancyGetopt(_options) # type: ignore
+
+
+def parse_distutils_args(args: List[str]) -> Dict[str, str]:
+ """Parse provided arguments, returning an object that has the
+ matched arguments.
+
+ Any unknown arguments are ignored.
+ """
+ result = {}
+ for arg in args:
+ try:
+ _, match = _distutils_getopt.getopt(args=[arg])
+ except DistutilsArgError:
+ # We don't care about any other options, which here may be
+ # considered unrecognized since our option list is not
+ # exhaustive.
+ pass
+ else:
+ result.update(match.__dict__)
+ return result
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/encoding.py b/Scripts/Lib/site-packages/pip/_internal/utils/encoding.py
new file mode 100644
index 0000000..1c73f6c
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/encoding.py
@@ -0,0 +1,36 @@
+import codecs
+import locale
+import re
+import sys
+from typing import List, Tuple
+
+BOMS: List[Tuple[bytes, str]] = [
+ (codecs.BOM_UTF8, "utf-8"),
+ (codecs.BOM_UTF16, "utf-16"),
+ (codecs.BOM_UTF16_BE, "utf-16-be"),
+ (codecs.BOM_UTF16_LE, "utf-16-le"),
+ (codecs.BOM_UTF32, "utf-32"),
+ (codecs.BOM_UTF32_BE, "utf-32-be"),
+ (codecs.BOM_UTF32_LE, "utf-32-le"),
+]
+
+ENCODING_RE = re.compile(br"coding[:=]\s*([-\w.]+)")
+
+
+def auto_decode(data: bytes) -> str:
+ """Check a bytes string for a BOM to correctly detect the encoding
+
+ Fallback to locale.getpreferredencoding(False) like open() on Python3"""
+ for bom, encoding in BOMS:
+ if data.startswith(bom):
+ return data[len(bom) :].decode(encoding)
+ # Lets check the first two lines as in PEP263
+ for line in data.split(b"\n")[:2]:
+ if line[0:1] == b"#" and ENCODING_RE.search(line):
+ result = ENCODING_RE.search(line)
+ assert result is not None
+ encoding = result.groups()[0].decode("ascii")
+ return data.decode(encoding)
+ return data.decode(
+ locale.getpreferredencoding(False) or sys.getdefaultencoding(),
+ )
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/entrypoints.py b/Scripts/Lib/site-packages/pip/_internal/utils/entrypoints.py
new file mode 100644
index 0000000..1504a12
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/entrypoints.py
@@ -0,0 +1,27 @@
+import sys
+from typing import List, Optional
+
+from pip._internal.cli.main import main
+
+
+def _wrapper(args: Optional[List[str]] = None) -> int:
+ """Central wrapper for all old entrypoints.
+
+ Historically pip has had several entrypoints defined. Because of issues
+ arising from PATH, sys.path, multiple Pythons, their interactions, and most
+ of them having a pip installed, users suffer every time an entrypoint gets
+ moved.
+
+ To alleviate this pain, and provide a mechanism for warning users and
+ directing them to an appropriate place for help, we now define all of
+ our old entrypoints as wrappers for the current one.
+ """
+ sys.stderr.write(
+ "WARNING: pip is being invoked by an old script wrapper. This will "
+ "fail in a future version of pip.\n"
+ "Please see https://github.com/pypa/pip/issues/5599 for advice on "
+ "fixing the underlying issue.\n"
+ "To avoid this problem you can invoke Python with '-m pip' instead of "
+ "running pip directly.\n"
+ )
+ return main(args)
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/filesystem.py b/Scripts/Lib/site-packages/pip/_internal/utils/filesystem.py
new file mode 100644
index 0000000..b7e6191
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/filesystem.py
@@ -0,0 +1,182 @@
+import fnmatch
+import os
+import os.path
+import random
+import shutil
+import stat
+import sys
+from contextlib import contextmanager
+from tempfile import NamedTemporaryFile
+from typing import Any, BinaryIO, Iterator, List, Union, cast
+
+from pip._vendor.tenacity import retry, stop_after_delay, wait_fixed
+
+from pip._internal.utils.compat import get_path_uid
+from pip._internal.utils.misc import format_size
+
+
+def check_path_owner(path: str) -> bool:
+ # If we don't have a way to check the effective uid of this process, then
+ # we'll just assume that we own the directory.
+ if sys.platform == "win32" or not hasattr(os, "geteuid"):
+ return True
+
+ assert os.path.isabs(path)
+
+ previous = None
+ while path != previous:
+ if os.path.lexists(path):
+ # Check if path is writable by current user.
+ if os.geteuid() == 0:
+ # Special handling for root user in order to handle properly
+ # cases where users use sudo without -H flag.
+ try:
+ path_uid = get_path_uid(path)
+ except OSError:
+ return False
+ return path_uid == 0
+ else:
+ return os.access(path, os.W_OK)
+ else:
+ previous, path = path, os.path.dirname(path)
+ return False # assume we don't own the path
+
+
+def copy2_fixed(src: str, dest: str) -> None:
+ """Wrap shutil.copy2() but map errors copying socket files to
+ SpecialFileError as expected.
+
+ See also https://bugs.python.org/issue37700.
+ """
+ try:
+ shutil.copy2(src, dest)
+ except OSError:
+ for f in [src, dest]:
+ try:
+ is_socket_file = is_socket(f)
+ except OSError:
+ # An error has already occurred. Another error here is not
+ # a problem and we can ignore it.
+ pass
+ else:
+ if is_socket_file:
+ raise shutil.SpecialFileError(f"`{f}` is a socket")
+
+ raise
+
+
+def is_socket(path: str) -> bool:
+ return stat.S_ISSOCK(os.lstat(path).st_mode)
+
+
+@contextmanager
+def adjacent_tmp_file(path: str, **kwargs: Any) -> Iterator[BinaryIO]:
+ """Return a file-like object pointing to a tmp file next to path.
+
+ The file is created securely and is ensured to be written to disk
+ after the context reaches its end.
+
+ kwargs will be passed to tempfile.NamedTemporaryFile to control
+ the way the temporary file will be opened.
+ """
+ with NamedTemporaryFile(
+ delete=False,
+ dir=os.path.dirname(path),
+ prefix=os.path.basename(path),
+ suffix=".tmp",
+ **kwargs,
+ ) as f:
+ result = cast(BinaryIO, f)
+ try:
+ yield result
+ finally:
+ result.flush()
+ os.fsync(result.fileno())
+
+
+# Tenacity raises RetryError by default, explicitly raise the original exception
+_replace_retry = retry(reraise=True, stop=stop_after_delay(1), wait=wait_fixed(0.25))
+
+replace = _replace_retry(os.replace)
+
+
+# test_writable_dir and _test_writable_dir_win are copied from Flit,
+# with the author's agreement to also place them under pip's license.
+def test_writable_dir(path: str) -> bool:
+ """Check if a directory is writable.
+
+ Uses os.access() on POSIX, tries creating files on Windows.
+ """
+ # If the directory doesn't exist, find the closest parent that does.
+ while not os.path.isdir(path):
+ parent = os.path.dirname(path)
+ if parent == path:
+ break # Should never get here, but infinite loops are bad
+ path = parent
+
+ if os.name == "posix":
+ return os.access(path, os.W_OK)
+
+ return _test_writable_dir_win(path)
+
+
+def _test_writable_dir_win(path: str) -> bool:
+ # os.access doesn't work on Windows: http://bugs.python.org/issue2528
+ # and we can't use tempfile: http://bugs.python.org/issue22107
+ basename = "accesstest_deleteme_fishfingers_custard_"
+ alphabet = "abcdefghijklmnopqrstuvwxyz0123456789"
+ for _ in range(10):
+ name = basename + "".join(random.choice(alphabet) for _ in range(6))
+ file = os.path.join(path, name)
+ try:
+ fd = os.open(file, os.O_RDWR | os.O_CREAT | os.O_EXCL)
+ except FileExistsError:
+ pass
+ except PermissionError:
+ # This could be because there's a directory with the same name.
+ # But it's highly unlikely there's a directory called that,
+ # so we'll assume it's because the parent dir is not writable.
+ # This could as well be because the parent dir is not readable,
+ # due to non-privileged user access.
+ return False
+ else:
+ os.close(fd)
+ os.unlink(file)
+ return True
+
+ # This should never be reached
+ raise OSError("Unexpected condition testing for writable directory")
+
+
+def find_files(path: str, pattern: str) -> List[str]:
+ """Returns a list of absolute paths of files beneath path, recursively,
+ with filenames which match the UNIX-style shell glob pattern."""
+ result: List[str] = []
+ for root, _, files in os.walk(path):
+ matches = fnmatch.filter(files, pattern)
+ result.extend(os.path.join(root, f) for f in matches)
+ return result
+
+
+def file_size(path: str) -> Union[int, float]:
+ # If it's a symlink, return 0.
+ if os.path.islink(path):
+ return 0
+ return os.path.getsize(path)
+
+
+def format_file_size(path: str) -> str:
+ return format_size(file_size(path))
+
+
+def directory_size(path: str) -> Union[int, float]:
+ size = 0.0
+ for root, _dirs, files in os.walk(path):
+ for filename in files:
+ file_path = os.path.join(root, filename)
+ size += file_size(file_path)
+ return size
+
+
+def format_directory_size(path: str) -> str:
+ return format_size(directory_size(path))
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/filetypes.py b/Scripts/Lib/site-packages/pip/_internal/utils/filetypes.py
new file mode 100644
index 0000000..da93584
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/filetypes.py
@@ -0,0 +1,28 @@
+"""Filetype information.
+"""
+
+from typing import Tuple
+
+from pip._internal.utils.misc import splitext
+
+WHEEL_EXTENSION = ".whl"
+BZ2_EXTENSIONS = (".tar.bz2", ".tbz") # type: Tuple[str, ...]
+XZ_EXTENSIONS = (
+ ".tar.xz",
+ ".txz",
+ ".tlz",
+ ".tar.lz",
+ ".tar.lzma",
+) # type: Tuple[str, ...]
+ZIP_EXTENSIONS = (".zip", WHEEL_EXTENSION) # type: Tuple[str, ...]
+TAR_EXTENSIONS = (".tar.gz", ".tgz", ".tar") # type: Tuple[str, ...]
+ARCHIVE_EXTENSIONS = ZIP_EXTENSIONS + BZ2_EXTENSIONS + TAR_EXTENSIONS + XZ_EXTENSIONS
+
+
+def is_archive_file(name):
+ # type: (str) -> bool
+ """Return True if `name` is a considered as an archive file."""
+ ext = splitext(name)[1].lower()
+ if ext in ARCHIVE_EXTENSIONS:
+ return True
+ return False
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/glibc.py b/Scripts/Lib/site-packages/pip/_internal/utils/glibc.py
new file mode 100644
index 0000000..1c9ff35
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/glibc.py
@@ -0,0 +1,92 @@
+# The following comment should be removed at some point in the future.
+# mypy: strict-optional=False
+
+import os
+import sys
+from typing import Optional, Tuple
+
+
+def glibc_version_string():
+ # type: () -> Optional[str]
+ "Returns glibc version string, or None if not using glibc."
+ return glibc_version_string_confstr() or glibc_version_string_ctypes()
+
+
+def glibc_version_string_confstr():
+ # type: () -> Optional[str]
+ "Primary implementation of glibc_version_string using os.confstr."
+ # os.confstr is quite a bit faster than ctypes.DLL. It's also less likely
+ # to be broken or missing. This strategy is used in the standard library
+ # platform module:
+ # https://github.com/python/cpython/blob/fcf1d003bf4f0100c9d0921ff3d70e1127ca1b71/Lib/platform.py#L175-L183
+ if sys.platform == "win32":
+ return None
+ try:
+ # os.confstr("CS_GNU_LIBC_VERSION") returns a string like "glibc 2.17":
+ _, version = os.confstr("CS_GNU_LIBC_VERSION").split()
+ except (AttributeError, OSError, ValueError):
+ # os.confstr() or CS_GNU_LIBC_VERSION not available (or a bad value)...
+ return None
+ return version
+
+
+def glibc_version_string_ctypes():
+ # type: () -> Optional[str]
+ "Fallback implementation of glibc_version_string using ctypes."
+
+ try:
+ import ctypes
+ except ImportError:
+ return None
+
+ # ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen
+ # manpage says, "If filename is NULL, then the returned handle is for the
+ # main program". This way we can let the linker do the work to figure out
+ # which libc our process is actually using.
+ process_namespace = ctypes.CDLL(None)
+ try:
+ gnu_get_libc_version = process_namespace.gnu_get_libc_version
+ except AttributeError:
+ # Symbol doesn't exist -> therefore, we are not linked to
+ # glibc.
+ return None
+
+ # Call gnu_get_libc_version, which returns a string like "2.5"
+ gnu_get_libc_version.restype = ctypes.c_char_p
+ version_str = gnu_get_libc_version()
+ # py2 / py3 compatibility:
+ if not isinstance(version_str, str):
+ version_str = version_str.decode("ascii")
+
+ return version_str
+
+
+# platform.libc_ver regularly returns completely nonsensical glibc
+# versions. E.g. on my computer, platform says:
+#
+# ~$ python2.7 -c 'import platform; print(platform.libc_ver())'
+# ('glibc', '2.7')
+# ~$ python3.5 -c 'import platform; print(platform.libc_ver())'
+# ('glibc', '2.9')
+#
+# But the truth is:
+#
+# ~$ ldd --version
+# ldd (Debian GLIBC 2.22-11) 2.22
+#
+# This is unfortunate, because it means that the linehaul data on libc
+# versions that was generated by pip 8.1.2 and earlier is useless and
+# misleading. Solution: instead of using platform, use our code that actually
+# works.
+def libc_ver():
+ # type: () -> Tuple[str, str]
+ """Try to determine the glibc version
+
+ Returns a tuple of strings (lib, version) which default to empty strings
+ in case the lookup fails.
+ """
+ glibc_version = glibc_version_string()
+ if glibc_version is None:
+ return ("", "")
+ else:
+ return ("glibc", glibc_version)
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/hashes.py b/Scripts/Lib/site-packages/pip/_internal/utils/hashes.py
new file mode 100644
index 0000000..3d20b8d
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/hashes.py
@@ -0,0 +1,165 @@
+import hashlib
+from typing import TYPE_CHECKING, BinaryIO, Dict, Iterator, List
+
+from pip._internal.exceptions import HashMismatch, HashMissing, InstallationError
+from pip._internal.utils.misc import read_chunks
+
+if TYPE_CHECKING:
+ from hashlib import _Hash
+
+ # NoReturn introduced in 3.6.2; imported only for type checking to maintain
+ # pip compatibility with older patch versions of Python 3.6
+ from typing import NoReturn
+
+
+# The recommended hash algo of the moment. Change this whenever the state of
+# the art changes; it won't hurt backward compatibility.
+FAVORITE_HASH = "sha256"
+
+
+# Names of hashlib algorithms allowed by the --hash option and ``pip hash``
+# Currently, those are the ones at least as collision-resistant as sha256.
+STRONG_HASHES = ["sha256", "sha384", "sha512"]
+
+
+class Hashes:
+ """A wrapper that builds multiple hashes at once and checks them against
+ known-good values
+
+ """
+
+ def __init__(self, hashes=None):
+ # type: (Dict[str, List[str]]) -> None
+ """
+ :param hashes: A dict of algorithm names pointing to lists of allowed
+ hex digests
+ """
+ allowed = {}
+ if hashes is not None:
+ for alg, keys in hashes.items():
+ # Make sure values are always sorted (to ease equality checks)
+ allowed[alg] = sorted(keys)
+ self._allowed = allowed
+
+ def __and__(self, other):
+ # type: (Hashes) -> Hashes
+ if not isinstance(other, Hashes):
+ return NotImplemented
+
+ # If either of the Hashes object is entirely empty (i.e. no hash
+ # specified at all), all hashes from the other object are allowed.
+ if not other:
+ return self
+ if not self:
+ return other
+
+ # Otherwise only hashes that present in both objects are allowed.
+ new = {}
+ for alg, values in other._allowed.items():
+ if alg not in self._allowed:
+ continue
+ new[alg] = [v for v in values if v in self._allowed[alg]]
+ return Hashes(new)
+
+ @property
+ def digest_count(self):
+ # type: () -> int
+ return sum(len(digests) for digests in self._allowed.values())
+
+ def is_hash_allowed(
+ self,
+ hash_name, # type: str
+ hex_digest, # type: str
+ ):
+ # type: (...) -> bool
+ """Return whether the given hex digest is allowed."""
+ return hex_digest in self._allowed.get(hash_name, [])
+
+ def check_against_chunks(self, chunks):
+ # type: (Iterator[bytes]) -> None
+ """Check good hashes against ones built from iterable of chunks of
+ data.
+
+ Raise HashMismatch if none match.
+
+ """
+ gots = {}
+ for hash_name in self._allowed.keys():
+ try:
+ gots[hash_name] = hashlib.new(hash_name)
+ except (ValueError, TypeError):
+ raise InstallationError(f"Unknown hash name: {hash_name}")
+
+ for chunk in chunks:
+ for hash in gots.values():
+ hash.update(chunk)
+
+ for hash_name, got in gots.items():
+ if got.hexdigest() in self._allowed[hash_name]:
+ return
+ self._raise(gots)
+
+ def _raise(self, gots):
+ # type: (Dict[str, _Hash]) -> NoReturn
+ raise HashMismatch(self._allowed, gots)
+
+ def check_against_file(self, file):
+ # type: (BinaryIO) -> None
+ """Check good hashes against a file-like object
+
+ Raise HashMismatch if none match.
+
+ """
+ return self.check_against_chunks(read_chunks(file))
+
+ def check_against_path(self, path):
+ # type: (str) -> None
+ with open(path, "rb") as file:
+ return self.check_against_file(file)
+
+ def __nonzero__(self):
+ # type: () -> bool
+ """Return whether I know any known-good hashes."""
+ return bool(self._allowed)
+
+ def __bool__(self):
+ # type: () -> bool
+ return self.__nonzero__()
+
+ def __eq__(self, other):
+ # type: (object) -> bool
+ if not isinstance(other, Hashes):
+ return NotImplemented
+ return self._allowed == other._allowed
+
+ def __hash__(self):
+ # type: () -> int
+ return hash(
+ ",".join(
+ sorted(
+ ":".join((alg, digest))
+ for alg, digest_list in self._allowed.items()
+ for digest in digest_list
+ )
+ )
+ )
+
+
+class MissingHashes(Hashes):
+ """A workalike for Hashes used when we're missing a hash for a requirement
+
+ It computes the actual hash of the requirement and raises a HashMissing
+ exception showing it to the user.
+
+ """
+
+ def __init__(self):
+ # type: () -> None
+ """Don't offer the ``hashes`` kwarg."""
+ # Pass our favorite hash in to generate a "gotten hash". With the
+ # empty list, it will never match, so an error will always raise.
+ super().__init__(hashes={FAVORITE_HASH: []})
+
+ def _raise(self, gots):
+ # type: (Dict[str, _Hash]) -> NoReturn
+ raise HashMissing(gots[FAVORITE_HASH].hexdigest())
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/inject_securetransport.py b/Scripts/Lib/site-packages/pip/_internal/utils/inject_securetransport.py
new file mode 100644
index 0000000..b6863d9
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/inject_securetransport.py
@@ -0,0 +1,36 @@
+"""A helper module that injects SecureTransport, on import.
+
+The import should be done as early as possible, to ensure all requests and
+sessions (or whatever) are created after injecting SecureTransport.
+
+Note that we only do the injection on macOS, when the linked OpenSSL is too
+old to handle TLSv1.2.
+"""
+
+import sys
+
+
+def inject_securetransport():
+ # type: () -> None
+ # Only relevant on macOS
+ if sys.platform != "darwin":
+ return
+
+ try:
+ import ssl
+ except ImportError:
+ return
+
+ # Checks for OpenSSL 1.0.1
+ if ssl.OPENSSL_VERSION_NUMBER >= 0x1000100F:
+ return
+
+ try:
+ from pip._vendor.urllib3.contrib import securetransport
+ except (ImportError, OSError):
+ return
+
+ securetransport.inject_into_urllib3()
+
+
+inject_securetransport()
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/logging.py b/Scripts/Lib/site-packages/pip/_internal/utils/logging.py
new file mode 100644
index 0000000..39a18fd
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/logging.py
@@ -0,0 +1,391 @@
+import contextlib
+import errno
+import logging
+import logging.handlers
+import os
+import sys
+from logging import Filter
+from typing import IO, Any, Callable, Iterator, Optional, TextIO, Type, cast
+
+from pip._internal.utils._log import VERBOSE, getLogger
+from pip._internal.utils.compat import WINDOWS
+from pip._internal.utils.deprecation import DEPRECATION_MSG_PREFIX
+from pip._internal.utils.misc import ensure_dir
+
+try:
+ import threading
+except ImportError:
+ import dummy_threading as threading # type: ignore
+
+
+try:
+ from pip._vendor import colorama
+# Lots of different errors can come from this, including SystemError and
+# ImportError.
+except Exception:
+ colorama = None
+
+
+_log_state = threading.local()
+subprocess_logger = getLogger("pip.subprocessor")
+
+
+class BrokenStdoutLoggingError(Exception):
+ """
+ Raised if BrokenPipeError occurs for the stdout stream while logging.
+ """
+
+ pass
+
+
+# BrokenPipeError manifests differently in Windows and non-Windows.
+if WINDOWS:
+ # In Windows, a broken pipe can show up as EINVAL rather than EPIPE:
+ # https://bugs.python.org/issue19612
+ # https://bugs.python.org/issue30418
+ def _is_broken_pipe_error(exc_class, exc):
+ # type: (Type[BaseException], BaseException) -> bool
+ """See the docstring for non-Windows below."""
+ return (exc_class is BrokenPipeError) or (
+ isinstance(exc, OSError) and exc.errno in (errno.EINVAL, errno.EPIPE)
+ )
+
+
+else:
+ # Then we are in the non-Windows case.
+ def _is_broken_pipe_error(exc_class, exc):
+ # type: (Type[BaseException], BaseException) -> bool
+ """
+ Return whether an exception is a broken pipe error.
+
+ Args:
+ exc_class: an exception class.
+ exc: an exception instance.
+ """
+ return exc_class is BrokenPipeError
+
+
+@contextlib.contextmanager
+def indent_log(num=2):
+ # type: (int) -> Iterator[None]
+ """
+ A context manager which will cause the log output to be indented for any
+ log messages emitted inside it.
+ """
+ # For thread-safety
+ _log_state.indentation = get_indentation()
+ _log_state.indentation += num
+ try:
+ yield
+ finally:
+ _log_state.indentation -= num
+
+
+def get_indentation():
+ # type: () -> int
+ return getattr(_log_state, "indentation", 0)
+
+
+class IndentingFormatter(logging.Formatter):
+ default_time_format = "%Y-%m-%dT%H:%M:%S"
+
+ def __init__(
+ self,
+ *args, # type: Any
+ add_timestamp=False, # type: bool
+ **kwargs, # type: Any
+ ):
+ # type: (...) -> None
+ """
+ A logging.Formatter that obeys the indent_log() context manager.
+
+ :param add_timestamp: A bool indicating output lines should be prefixed
+ with their record's timestamp.
+ """
+ self.add_timestamp = add_timestamp
+ super().__init__(*args, **kwargs)
+
+ def get_message_start(self, formatted, levelno):
+ # type: (str, int) -> str
+ """
+ Return the start of the formatted log message (not counting the
+ prefix to add to each line).
+ """
+ if levelno < logging.WARNING:
+ return ""
+ if formatted.startswith(DEPRECATION_MSG_PREFIX):
+ # Then the message already has a prefix. We don't want it to
+ # look like "WARNING: DEPRECATION: ...."
+ return ""
+ if levelno < logging.ERROR:
+ return "WARNING: "
+
+ return "ERROR: "
+
+ def format(self, record):
+ # type: (logging.LogRecord) -> str
+ """
+ Calls the standard formatter, but will indent all of the log message
+ lines by our current indentation level.
+ """
+ formatted = super().format(record)
+ message_start = self.get_message_start(formatted, record.levelno)
+ formatted = message_start + formatted
+
+ prefix = ""
+ if self.add_timestamp:
+ prefix = f"{self.formatTime(record)} "
+ prefix += " " * get_indentation()
+ formatted = "".join([prefix + line for line in formatted.splitlines(True)])
+ return formatted
+
+
+def _color_wrap(*colors):
+ # type: (*str) -> Callable[[str], str]
+ def wrapped(inp):
+ # type: (str) -> str
+ return "".join(list(colors) + [inp, colorama.Style.RESET_ALL])
+
+ return wrapped
+
+
+class ColorizedStreamHandler(logging.StreamHandler):
+
+ # Don't build up a list of colors if we don't have colorama
+ if colorama:
+ COLORS = [
+ # This needs to be in order from highest logging level to lowest.
+ (logging.ERROR, _color_wrap(colorama.Fore.RED)),
+ (logging.WARNING, _color_wrap(colorama.Fore.YELLOW)),
+ ]
+ else:
+ COLORS = []
+
+ def __init__(self, stream=None, no_color=None):
+ # type: (Optional[TextIO], bool) -> None
+ super().__init__(stream)
+ self._no_color = no_color
+
+ if WINDOWS and colorama:
+ self.stream = colorama.AnsiToWin32(self.stream)
+
+ def _using_stdout(self):
+ # type: () -> bool
+ """
+ Return whether the handler is using sys.stdout.
+ """
+ if WINDOWS and colorama:
+ # Then self.stream is an AnsiToWin32 object.
+ stream = cast(colorama.AnsiToWin32, self.stream)
+ return stream.wrapped is sys.stdout
+
+ return self.stream is sys.stdout
+
+ def should_color(self):
+ # type: () -> bool
+ # Don't colorize things if we do not have colorama or if told not to
+ if not colorama or self._no_color:
+ return False
+
+ real_stream = (
+ self.stream
+ if not isinstance(self.stream, colorama.AnsiToWin32)
+ else self.stream.wrapped
+ )
+
+ # If the stream is a tty we should color it
+ if hasattr(real_stream, "isatty") and real_stream.isatty():
+ return True
+
+ # If we have an ANSI term we should color it
+ if os.environ.get("TERM") == "ANSI":
+ return True
+
+ # If anything else we should not color it
+ return False
+
+ def format(self, record):
+ # type: (logging.LogRecord) -> str
+ msg = super().format(record)
+
+ if self.should_color():
+ for level, color in self.COLORS:
+ if record.levelno >= level:
+ msg = color(msg)
+ break
+
+ return msg
+
+ # The logging module says handleError() can be customized.
+ def handleError(self, record):
+ # type: (logging.LogRecord) -> None
+ exc_class, exc = sys.exc_info()[:2]
+ # If a broken pipe occurred while calling write() or flush() on the
+ # stdout stream in logging's Handler.emit(), then raise our special
+ # exception so we can handle it in main() instead of logging the
+ # broken pipe error and continuing.
+ if (
+ exc_class
+ and exc
+ and self._using_stdout()
+ and _is_broken_pipe_error(exc_class, exc)
+ ):
+ raise BrokenStdoutLoggingError()
+
+ return super().handleError(record)
+
+
+class BetterRotatingFileHandler(logging.handlers.RotatingFileHandler):
+ def _open(self):
+ # type: () -> IO[Any]
+ ensure_dir(os.path.dirname(self.baseFilename))
+ return super()._open()
+
+
+class MaxLevelFilter(Filter):
+ def __init__(self, level):
+ # type: (int) -> None
+ self.level = level
+
+ def filter(self, record):
+ # type: (logging.LogRecord) -> bool
+ return record.levelno < self.level
+
+
+class ExcludeLoggerFilter(Filter):
+
+ """
+ A logging Filter that excludes records from a logger (or its children).
+ """
+
+ def filter(self, record):
+ # type: (logging.LogRecord) -> bool
+ # The base Filter class allows only records from a logger (or its
+ # children).
+ return not super().filter(record)
+
+
+def setup_logging(verbosity, no_color, user_log_file):
+ # type: (int, bool, Optional[str]) -> int
+ """Configures and sets up all of the logging
+
+ Returns the requested logging level, as its integer value.
+ """
+
+ # Determine the level to be logging at.
+ if verbosity >= 2:
+ level_number = logging.DEBUG
+ elif verbosity == 1:
+ level_number = VERBOSE
+ elif verbosity == -1:
+ level_number = logging.WARNING
+ elif verbosity == -2:
+ level_number = logging.ERROR
+ elif verbosity <= -3:
+ level_number = logging.CRITICAL
+ else:
+ level_number = logging.INFO
+
+ level = logging.getLevelName(level_number)
+
+ # The "root" logger should match the "console" level *unless* we also need
+ # to log to a user log file.
+ include_user_log = user_log_file is not None
+ if include_user_log:
+ additional_log_file = user_log_file
+ root_level = "DEBUG"
+ else:
+ additional_log_file = "/dev/null"
+ root_level = level
+
+ # Disable any logging besides WARNING unless we have DEBUG level logging
+ # enabled for vendored libraries.
+ vendored_log_level = "WARNING" if level in ["INFO", "ERROR"] else "DEBUG"
+
+ # Shorthands for clarity
+ log_streams = {
+ "stdout": "ext://sys.stdout",
+ "stderr": "ext://sys.stderr",
+ }
+ handler_classes = {
+ "stream": "pip._internal.utils.logging.ColorizedStreamHandler",
+ "file": "pip._internal.utils.logging.BetterRotatingFileHandler",
+ }
+ handlers = ["console", "console_errors", "console_subprocess"] + (
+ ["user_log"] if include_user_log else []
+ )
+
+ logging.config.dictConfig(
+ {
+ "version": 1,
+ "disable_existing_loggers": False,
+ "filters": {
+ "exclude_warnings": {
+ "()": "pip._internal.utils.logging.MaxLevelFilter",
+ "level": logging.WARNING,
+ },
+ "restrict_to_subprocess": {
+ "()": "logging.Filter",
+ "name": subprocess_logger.name,
+ },
+ "exclude_subprocess": {
+ "()": "pip._internal.utils.logging.ExcludeLoggerFilter",
+ "name": subprocess_logger.name,
+ },
+ },
+ "formatters": {
+ "indent": {
+ "()": IndentingFormatter,
+ "format": "%(message)s",
+ },
+ "indent_with_timestamp": {
+ "()": IndentingFormatter,
+ "format": "%(message)s",
+ "add_timestamp": True,
+ },
+ },
+ "handlers": {
+ "console": {
+ "level": level,
+ "class": handler_classes["stream"],
+ "no_color": no_color,
+ "stream": log_streams["stdout"],
+ "filters": ["exclude_subprocess", "exclude_warnings"],
+ "formatter": "indent",
+ },
+ "console_errors": {
+ "level": "WARNING",
+ "class": handler_classes["stream"],
+ "no_color": no_color,
+ "stream": log_streams["stderr"],
+ "filters": ["exclude_subprocess"],
+ "formatter": "indent",
+ },
+ # A handler responsible for logging to the console messages
+ # from the "subprocessor" logger.
+ "console_subprocess": {
+ "level": level,
+ "class": handler_classes["stream"],
+ "no_color": no_color,
+ "stream": log_streams["stderr"],
+ "filters": ["restrict_to_subprocess"],
+ "formatter": "indent",
+ },
+ "user_log": {
+ "level": "DEBUG",
+ "class": handler_classes["file"],
+ "filename": additional_log_file,
+ "encoding": "utf-8",
+ "delay": True,
+ "formatter": "indent_with_timestamp",
+ },
+ },
+ "root": {
+ "level": root_level,
+ "handlers": handlers,
+ },
+ "loggers": {"pip._vendor": {"level": vendored_log_level}},
+ }
+ )
+
+ return level_number
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/misc.py b/Scripts/Lib/site-packages/pip/_internal/utils/misc.py
new file mode 100644
index 0000000..99ebea3
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/misc.py
@@ -0,0 +1,828 @@
+# The following comment should be removed at some point in the future.
+# mypy: strict-optional=False
+
+import contextlib
+import errno
+import getpass
+import hashlib
+import io
+import logging
+import os
+import posixpath
+import shutil
+import stat
+import sys
+import urllib.parse
+from io import StringIO
+from itertools import filterfalse, tee, zip_longest
+from types import TracebackType
+from typing import (
+ Any,
+ AnyStr,
+ BinaryIO,
+ Callable,
+ Container,
+ ContextManager,
+ Iterable,
+ Iterator,
+ List,
+ Optional,
+ TextIO,
+ Tuple,
+ Type,
+ TypeVar,
+ cast,
+)
+
+from pip._vendor.pkg_resources import Distribution
+from pip._vendor.tenacity import retry, stop_after_delay, wait_fixed
+
+from pip import __version__
+from pip._internal.exceptions import CommandError
+from pip._internal.locations import get_major_minor_version, site_packages, user_site
+from pip._internal.utils.compat import WINDOWS, stdlib_pkgs
+from pip._internal.utils.virtualenv import (
+ running_under_virtualenv,
+ virtualenv_no_global,
+)
+
+__all__ = [
+ "rmtree",
+ "display_path",
+ "backup_dir",
+ "ask",
+ "splitext",
+ "format_size",
+ "is_installable_dir",
+ "normalize_path",
+ "renames",
+ "get_prog",
+ "captured_stdout",
+ "ensure_dir",
+ "remove_auth_from_url",
+]
+
+
+logger = logging.getLogger(__name__)
+
+T = TypeVar("T")
+ExcInfo = Tuple[Type[BaseException], BaseException, TracebackType]
+VersionInfo = Tuple[int, int, int]
+NetlocTuple = Tuple[str, Tuple[Optional[str], Optional[str]]]
+
+
+def get_pip_version():
+ # type: () -> str
+ pip_pkg_dir = os.path.join(os.path.dirname(__file__), "..", "..")
+ pip_pkg_dir = os.path.abspath(pip_pkg_dir)
+
+ return "pip {} from {} (python {})".format(
+ __version__,
+ pip_pkg_dir,
+ get_major_minor_version(),
+ )
+
+
+def normalize_version_info(py_version_info):
+ # type: (Tuple[int, ...]) -> Tuple[int, int, int]
+ """
+ Convert a tuple of ints representing a Python version to one of length
+ three.
+
+ :param py_version_info: a tuple of ints representing a Python version,
+ or None to specify no version. The tuple can have any length.
+
+ :return: a tuple of length three if `py_version_info` is non-None.
+ Otherwise, return `py_version_info` unchanged (i.e. None).
+ """
+ if len(py_version_info) < 3:
+ py_version_info += (3 - len(py_version_info)) * (0,)
+ elif len(py_version_info) > 3:
+ py_version_info = py_version_info[:3]
+
+ return cast("VersionInfo", py_version_info)
+
+
+def ensure_dir(path):
+ # type: (AnyStr) -> None
+ """os.path.makedirs without EEXIST."""
+ try:
+ os.makedirs(path)
+ except OSError as e:
+ # Windows can raise spurious ENOTEMPTY errors. See #6426.
+ if e.errno != errno.EEXIST and e.errno != errno.ENOTEMPTY:
+ raise
+
+
+def get_prog():
+ # type: () -> str
+ try:
+ prog = os.path.basename(sys.argv[0])
+ if prog in ("__main__.py", "-c"):
+ return f"{sys.executable} -m pip"
+ else:
+ return prog
+ except (AttributeError, TypeError, IndexError):
+ pass
+ return "pip"
+
+
+# Retry every half second for up to 3 seconds
+# Tenacity raises RetryError by default, explicitly raise the original exception
+@retry(reraise=True, stop=stop_after_delay(3), wait=wait_fixed(0.5))
+def rmtree(dir, ignore_errors=False):
+ # type: (AnyStr, bool) -> None
+ shutil.rmtree(dir, ignore_errors=ignore_errors, onerror=rmtree_errorhandler)
+
+
+def rmtree_errorhandler(func, path, exc_info):
+ # type: (Callable[..., Any], str, ExcInfo) -> None
+ """On Windows, the files in .svn are read-only, so when rmtree() tries to
+ remove them, an exception is thrown. We catch that here, remove the
+ read-only attribute, and hopefully continue without problems."""
+ try:
+ has_attr_readonly = not (os.stat(path).st_mode & stat.S_IWRITE)
+ except OSError:
+ # it's equivalent to os.path.exists
+ return
+
+ if has_attr_readonly:
+ # convert to read/write
+ os.chmod(path, stat.S_IWRITE)
+ # use the original function to repeat the operation
+ func(path)
+ return
+ else:
+ raise
+
+
+def display_path(path):
+ # type: (str) -> str
+ """Gives the display value for a given path, making it relative to cwd
+ if possible."""
+ path = os.path.normcase(os.path.abspath(path))
+ if path.startswith(os.getcwd() + os.path.sep):
+ path = "." + path[len(os.getcwd()) :]
+ return path
+
+
+def backup_dir(dir, ext=".bak"):
+ # type: (str, str) -> str
+ """Figure out the name of a directory to back up the given dir to
+ (adding .bak, .bak2, etc)"""
+ n = 1
+ extension = ext
+ while os.path.exists(dir + extension):
+ n += 1
+ extension = ext + str(n)
+ return dir + extension
+
+
+def ask_path_exists(message, options):
+ # type: (str, Iterable[str]) -> str
+ for action in os.environ.get("PIP_EXISTS_ACTION", "").split():
+ if action in options:
+ return action
+ return ask(message, options)
+
+
+def _check_no_input(message):
+ # type: (str) -> None
+ """Raise an error if no input is allowed."""
+ if os.environ.get("PIP_NO_INPUT"):
+ raise Exception(
+ f"No input was expected ($PIP_NO_INPUT set); question: {message}"
+ )
+
+
+def ask(message, options):
+ # type: (str, Iterable[str]) -> str
+ """Ask the message interactively, with the given possible responses"""
+ while 1:
+ _check_no_input(message)
+ response = input(message)
+ response = response.strip().lower()
+ if response not in options:
+ print(
+ "Your response ({!r}) was not one of the expected responses: "
+ "{}".format(response, ", ".join(options))
+ )
+ else:
+ return response
+
+
+def ask_input(message):
+ # type: (str) -> str
+ """Ask for input interactively."""
+ _check_no_input(message)
+ return input(message)
+
+
+def ask_password(message):
+ # type: (str) -> str
+ """Ask for a password interactively."""
+ _check_no_input(message)
+ return getpass.getpass(message)
+
+
+def strtobool(val):
+ # type: (str) -> int
+ """Convert a string representation of truth to true (1) or false (0).
+
+ True values are 'y', 'yes', 't', 'true', 'on', and '1'; false values
+ are 'n', 'no', 'f', 'false', 'off', and '0'. Raises ValueError if
+ 'val' is anything else.
+ """
+ val = val.lower()
+ if val in ("y", "yes", "t", "true", "on", "1"):
+ return 1
+ elif val in ("n", "no", "f", "false", "off", "0"):
+ return 0
+ else:
+ raise ValueError(f"invalid truth value {val!r}")
+
+
+def format_size(bytes):
+ # type: (float) -> str
+ if bytes > 1000 * 1000:
+ return "{:.1f} MB".format(bytes / 1000.0 / 1000)
+ elif bytes > 10 * 1000:
+ return "{} kB".format(int(bytes / 1000))
+ elif bytes > 1000:
+ return "{:.1f} kB".format(bytes / 1000.0)
+ else:
+ return "{} bytes".format(int(bytes))
+
+
+def tabulate(rows):
+ # type: (Iterable[Iterable[Any]]) -> Tuple[List[str], List[int]]
+ """Return a list of formatted rows and a list of column sizes.
+
+ For example::
+
+ >>> tabulate([['foobar', 2000], [0xdeadbeef]])
+ (['foobar 2000', '3735928559'], [10, 4])
+ """
+ rows = [tuple(map(str, row)) for row in rows]
+ sizes = [max(map(len, col)) for col in zip_longest(*rows, fillvalue="")]
+ table = [" ".join(map(str.ljust, row, sizes)).rstrip() for row in rows]
+ return table, sizes
+
+
+def is_installable_dir(path: str) -> bool:
+ """Is path is a directory containing pyproject.toml or setup.py?
+
+ If pyproject.toml exists, this is a PEP 517 project. Otherwise we look for
+ a legacy setuptools layout by identifying setup.py. We don't check for the
+ setup.cfg because using it without setup.py is only available for PEP 517
+ projects, which are already covered by the pyproject.toml check.
+ """
+ if not os.path.isdir(path):
+ return False
+ if os.path.isfile(os.path.join(path, "pyproject.toml")):
+ return True
+ if os.path.isfile(os.path.join(path, "setup.py")):
+ return True
+ return False
+
+
+def read_chunks(file, size=io.DEFAULT_BUFFER_SIZE):
+ # type: (BinaryIO, int) -> Iterator[bytes]
+ """Yield pieces of data from a file-like object until EOF."""
+ while True:
+ chunk = file.read(size)
+ if not chunk:
+ break
+ yield chunk
+
+
+def normalize_path(path, resolve_symlinks=True):
+ # type: (str, bool) -> str
+ """
+ Convert a path to its canonical, case-normalized, absolute version.
+
+ """
+ path = os.path.expanduser(path)
+ if resolve_symlinks:
+ path = os.path.realpath(path)
+ else:
+ path = os.path.abspath(path)
+ return os.path.normcase(path)
+
+
+def splitext(path):
+ # type: (str) -> Tuple[str, str]
+ """Like os.path.splitext, but take off .tar too"""
+ base, ext = posixpath.splitext(path)
+ if base.lower().endswith(".tar"):
+ ext = base[-4:] + ext
+ base = base[:-4]
+ return base, ext
+
+
+def renames(old, new):
+ # type: (str, str) -> None
+ """Like os.renames(), but handles renaming across devices."""
+ # Implementation borrowed from os.renames().
+ head, tail = os.path.split(new)
+ if head and tail and not os.path.exists(head):
+ os.makedirs(head)
+
+ shutil.move(old, new)
+
+ head, tail = os.path.split(old)
+ if head and tail:
+ try:
+ os.removedirs(head)
+ except OSError:
+ pass
+
+
+def is_local(path):
+ # type: (str) -> bool
+ """
+ Return True if path is within sys.prefix, if we're running in a virtualenv.
+
+ If we're not in a virtualenv, all paths are considered "local."
+
+ Caution: this function assumes the head of path has been normalized
+ with normalize_path.
+ """
+ if not running_under_virtualenv():
+ return True
+ return path.startswith(normalize_path(sys.prefix))
+
+
+def dist_is_local(dist):
+ # type: (Distribution) -> bool
+ """
+ Return True if given Distribution object is installed locally
+ (i.e. within current virtualenv).
+
+ Always True if we're not in a virtualenv.
+
+ """
+ return is_local(dist_location(dist))
+
+
+def dist_in_usersite(dist):
+ # type: (Distribution) -> bool
+ """
+ Return True if given Distribution is installed in user site.
+ """
+ return dist_location(dist).startswith(normalize_path(user_site))
+
+
+def dist_in_site_packages(dist):
+ # type: (Distribution) -> bool
+ """
+ Return True if given Distribution is installed in
+ sysconfig.get_python_lib().
+ """
+ return dist_location(dist).startswith(normalize_path(site_packages))
+
+
+def dist_is_editable(dist):
+ # type: (Distribution) -> bool
+ """
+ Return True if given Distribution is an editable install.
+ """
+ for path_item in sys.path:
+ egg_link = os.path.join(path_item, dist.project_name + ".egg-link")
+ if os.path.isfile(egg_link):
+ return True
+ return False
+
+
+def get_installed_distributions(
+ local_only=True, # type: bool
+ skip=stdlib_pkgs, # type: Container[str]
+ include_editables=True, # type: bool
+ editables_only=False, # type: bool
+ user_only=False, # type: bool
+ paths=None, # type: Optional[List[str]]
+):
+ # type: (...) -> List[Distribution]
+ """Return a list of installed Distribution objects.
+
+ Left for compatibility until direct pkg_resources uses are refactored out.
+ """
+ from pip._internal.metadata import get_default_environment, get_environment
+ from pip._internal.metadata.pkg_resources import Distribution as _Dist
+
+ if paths is None:
+ env = get_default_environment()
+ else:
+ env = get_environment(paths)
+ dists = env.iter_installed_distributions(
+ local_only=local_only,
+ skip=skip,
+ include_editables=include_editables,
+ editables_only=editables_only,
+ user_only=user_only,
+ )
+ return [cast(_Dist, dist)._dist for dist in dists]
+
+
+def get_distribution(req_name):
+ # type: (str) -> Optional[Distribution]
+ """Given a requirement name, return the installed Distribution object.
+
+ This searches from *all* distributions available in the environment, to
+ match the behavior of ``pkg_resources.get_distribution()``.
+
+ Left for compatibility until direct pkg_resources uses are refactored out.
+ """
+ from pip._internal.metadata import get_default_environment
+ from pip._internal.metadata.pkg_resources import Distribution as _Dist
+
+ dist = get_default_environment().get_distribution(req_name)
+ if dist is None:
+ return None
+ return cast(_Dist, dist)._dist
+
+
+def egg_link_path(dist):
+ # type: (Distribution) -> Optional[str]
+ """
+ Return the path for the .egg-link file if it exists, otherwise, None.
+
+ There's 3 scenarios:
+ 1) not in a virtualenv
+ try to find in site.USER_SITE, then site_packages
+ 2) in a no-global virtualenv
+ try to find in site_packages
+ 3) in a yes-global virtualenv
+ try to find in site_packages, then site.USER_SITE
+ (don't look in global location)
+
+ For #1 and #3, there could be odd cases, where there's an egg-link in 2
+ locations.
+
+ This method will just return the first one found.
+ """
+ sites = []
+ if running_under_virtualenv():
+ sites.append(site_packages)
+ if not virtualenv_no_global() and user_site:
+ sites.append(user_site)
+ else:
+ if user_site:
+ sites.append(user_site)
+ sites.append(site_packages)
+
+ for site in sites:
+ egglink = os.path.join(site, dist.project_name) + ".egg-link"
+ if os.path.isfile(egglink):
+ return egglink
+ return None
+
+
+def dist_location(dist):
+ # type: (Distribution) -> str
+ """
+ Get the site-packages location of this distribution. Generally
+ this is dist.location, except in the case of develop-installed
+ packages, where dist.location is the source code location, and we
+ want to know where the egg-link file is.
+
+ The returned location is normalized (in particular, with symlinks removed).
+ """
+ egg_link = egg_link_path(dist)
+ if egg_link:
+ return normalize_path(egg_link)
+ return normalize_path(dist.location)
+
+
+def write_output(msg, *args):
+ # type: (Any, Any) -> None
+ logger.info(msg, *args)
+
+
+class StreamWrapper(StringIO):
+ orig_stream = None # type: TextIO
+
+ @classmethod
+ def from_stream(cls, orig_stream):
+ # type: (TextIO) -> StreamWrapper
+ cls.orig_stream = orig_stream
+ return cls()
+
+ # compileall.compile_dir() needs stdout.encoding to print to stdout
+ # https://github.com/python/mypy/issues/4125
+ @property
+ def encoding(self): # type: ignore
+ return self.orig_stream.encoding
+
+
+@contextlib.contextmanager
+def captured_output(stream_name):
+ # type: (str) -> Iterator[StreamWrapper]
+ """Return a context manager used by captured_stdout/stdin/stderr
+ that temporarily replaces the sys stream *stream_name* with a StringIO.
+
+ Taken from Lib/support/__init__.py in the CPython repo.
+ """
+ orig_stdout = getattr(sys, stream_name)
+ setattr(sys, stream_name, StreamWrapper.from_stream(orig_stdout))
+ try:
+ yield getattr(sys, stream_name)
+ finally:
+ setattr(sys, stream_name, orig_stdout)
+
+
+def captured_stdout():
+ # type: () -> ContextManager[StreamWrapper]
+ """Capture the output of sys.stdout:
+
+ with captured_stdout() as stdout:
+ print('hello')
+ self.assertEqual(stdout.getvalue(), 'hello\n')
+
+ Taken from Lib/support/__init__.py in the CPython repo.
+ """
+ return captured_output("stdout")
+
+
+def captured_stderr():
+ # type: () -> ContextManager[StreamWrapper]
+ """
+ See captured_stdout().
+ """
+ return captured_output("stderr")
+
+
+# Simulates an enum
+def enum(*sequential, **named):
+ # type: (*Any, **Any) -> Type[Any]
+ enums = dict(zip(sequential, range(len(sequential))), **named)
+ reverse = {value: key for key, value in enums.items()}
+ enums["reverse_mapping"] = reverse
+ return type("Enum", (), enums)
+
+
+def build_netloc(host, port):
+ # type: (str, Optional[int]) -> str
+ """
+ Build a netloc from a host-port pair
+ """
+ if port is None:
+ return host
+ if ":" in host:
+ # Only wrap host with square brackets when it is IPv6
+ host = f"[{host}]"
+ return f"{host}:{port}"
+
+
+def build_url_from_netloc(netloc, scheme="https"):
+ # type: (str, str) -> str
+ """
+ Build a full URL from a netloc.
+ """
+ if netloc.count(":") >= 2 and "@" not in netloc and "[" not in netloc:
+ # It must be a bare IPv6 address, so wrap it with brackets.
+ netloc = f"[{netloc}]"
+ return f"{scheme}://{netloc}"
+
+
+def parse_netloc(netloc):
+ # type: (str) -> Tuple[str, Optional[int]]
+ """
+ Return the host-port pair from a netloc.
+ """
+ url = build_url_from_netloc(netloc)
+ parsed = urllib.parse.urlparse(url)
+ return parsed.hostname, parsed.port
+
+
+def split_auth_from_netloc(netloc):
+ # type: (str) -> NetlocTuple
+ """
+ Parse out and remove the auth information from a netloc.
+
+ Returns: (netloc, (username, password)).
+ """
+ if "@" not in netloc:
+ return netloc, (None, None)
+
+ # Split from the right because that's how urllib.parse.urlsplit()
+ # behaves if more than one @ is present (which can be checked using
+ # the password attribute of urlsplit()'s return value).
+ auth, netloc = netloc.rsplit("@", 1)
+ pw = None # type: Optional[str]
+ if ":" in auth:
+ # Split from the left because that's how urllib.parse.urlsplit()
+ # behaves if more than one : is present (which again can be checked
+ # using the password attribute of the return value)
+ user, pw = auth.split(":", 1)
+ else:
+ user, pw = auth, None
+
+ user = urllib.parse.unquote(user)
+ if pw is not None:
+ pw = urllib.parse.unquote(pw)
+
+ return netloc, (user, pw)
+
+
+def redact_netloc(netloc):
+ # type: (str) -> str
+ """
+ Replace the sensitive data in a netloc with "****", if it exists.
+
+ For example:
+ - "user:pass@example.com" returns "user:****@example.com"
+ - "accesstoken@example.com" returns "****@example.com"
+ """
+ netloc, (user, password) = split_auth_from_netloc(netloc)
+ if user is None:
+ return netloc
+ if password is None:
+ user = "****"
+ password = ""
+ else:
+ user = urllib.parse.quote(user)
+ password = ":****"
+ return "{user}{password}@{netloc}".format(
+ user=user, password=password, netloc=netloc
+ )
+
+
+def _transform_url(url, transform_netloc):
+ # type: (str, Callable[[str], Tuple[Any, ...]]) -> Tuple[str, NetlocTuple]
+ """Transform and replace netloc in a url.
+
+ transform_netloc is a function taking the netloc and returning a
+ tuple. The first element of this tuple is the new netloc. The
+ entire tuple is returned.
+
+ Returns a tuple containing the transformed url as item 0 and the
+ original tuple returned by transform_netloc as item 1.
+ """
+ purl = urllib.parse.urlsplit(url)
+ netloc_tuple = transform_netloc(purl.netloc)
+ # stripped url
+ url_pieces = (purl.scheme, netloc_tuple[0], purl.path, purl.query, purl.fragment)
+ surl = urllib.parse.urlunsplit(url_pieces)
+ return surl, cast("NetlocTuple", netloc_tuple)
+
+
+def _get_netloc(netloc):
+ # type: (str) -> NetlocTuple
+ return split_auth_from_netloc(netloc)
+
+
+def _redact_netloc(netloc):
+ # type: (str) -> Tuple[str,]
+ return (redact_netloc(netloc),)
+
+
+def split_auth_netloc_from_url(url):
+ # type: (str) -> Tuple[str, str, Tuple[str, str]]
+ """
+ Parse a url into separate netloc, auth, and url with no auth.
+
+ Returns: (url_without_auth, netloc, (username, password))
+ """
+ url_without_auth, (netloc, auth) = _transform_url(url, _get_netloc)
+ return url_without_auth, netloc, auth
+
+
+def remove_auth_from_url(url):
+ # type: (str) -> str
+ """Return a copy of url with 'username:password@' removed."""
+ # username/pass params are passed to subversion through flags
+ # and are not recognized in the url.
+ return _transform_url(url, _get_netloc)[0]
+
+
+def redact_auth_from_url(url):
+ # type: (str) -> str
+ """Replace the password in a given url with ****."""
+ return _transform_url(url, _redact_netloc)[0]
+
+
+class HiddenText:
+ def __init__(
+ self,
+ secret, # type: str
+ redacted, # type: str
+ ):
+ # type: (...) -> None
+ self.secret = secret
+ self.redacted = redacted
+
+ def __repr__(self):
+ # type: (...) -> str
+ return "".format(str(self))
+
+ def __str__(self):
+ # type: (...) -> str
+ return self.redacted
+
+ # This is useful for testing.
+ def __eq__(self, other):
+ # type: (Any) -> bool
+ if type(self) != type(other):
+ return False
+
+ # The string being used for redaction doesn't also have to match,
+ # just the raw, original string.
+ return self.secret == other.secret
+
+
+def hide_value(value):
+ # type: (str) -> HiddenText
+ return HiddenText(value, redacted="****")
+
+
+def hide_url(url):
+ # type: (str) -> HiddenText
+ redacted = redact_auth_from_url(url)
+ return HiddenText(url, redacted=redacted)
+
+
+def protect_pip_from_modification_on_windows(modifying_pip):
+ # type: (bool) -> None
+ """Protection of pip.exe from modification on Windows
+
+ On Windows, any operation modifying pip should be run as:
+ python -m pip ...
+ """
+ pip_names = [
+ "pip.exe",
+ "pip{}.exe".format(sys.version_info[0]),
+ "pip{}.{}.exe".format(*sys.version_info[:2]),
+ ]
+
+ # See https://github.com/pypa/pip/issues/1299 for more discussion
+ should_show_use_python_msg = (
+ modifying_pip and WINDOWS and os.path.basename(sys.argv[0]) in pip_names
+ )
+
+ if should_show_use_python_msg:
+ new_command = [sys.executable, "-m", "pip"] + sys.argv[1:]
+ raise CommandError(
+ "To modify pip, please run the following command:\n{}".format(
+ " ".join(new_command)
+ )
+ )
+
+
+def is_console_interactive():
+ # type: () -> bool
+ """Is this console interactive?"""
+ return sys.stdin is not None and sys.stdin.isatty()
+
+
+def hash_file(path, blocksize=1 << 20):
+ # type: (str, int) -> Tuple[Any, int]
+ """Return (hash, length) for path using hashlib.sha256()"""
+
+ h = hashlib.sha256()
+ length = 0
+ with open(path, "rb") as f:
+ for block in read_chunks(f, size=blocksize):
+ length += len(block)
+ h.update(block)
+ return h, length
+
+
+def is_wheel_installed():
+ # type: () -> bool
+ """
+ Return whether the wheel package is installed.
+ """
+ try:
+ import wheel # noqa: F401
+ except ImportError:
+ return False
+
+ return True
+
+
+def pairwise(iterable):
+ # type: (Iterable[Any]) -> Iterator[Tuple[Any, Any]]
+ """
+ Return paired elements.
+
+ For example:
+ s -> (s0, s1), (s2, s3), (s4, s5), ...
+ """
+ iterable = iter(iterable)
+ return zip_longest(iterable, iterable)
+
+
+def partition(
+ pred, # type: Callable[[T], bool]
+ iterable, # type: Iterable[T]
+):
+ # type: (...) -> Tuple[Iterable[T], Iterable[T]]
+ """
+ Use a predicate to partition entries into false entries and true entries,
+ like
+
+ partition(is_odd, range(10)) --> 0 2 4 6 8 and 1 3 5 7 9
+ """
+ t1, t2 = tee(iterable)
+ return filterfalse(pred, t1), filter(pred, t2)
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/models.py b/Scripts/Lib/site-packages/pip/_internal/utils/models.py
new file mode 100644
index 0000000..0e02bc7
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/models.py
@@ -0,0 +1,47 @@
+"""Utilities for defining models
+"""
+
+import operator
+from typing import Any, Callable, Type
+
+
+class KeyBasedCompareMixin:
+ """Provides comparison capabilities that is based on a key"""
+
+ __slots__ = ["_compare_key", "_defining_class"]
+
+ def __init__(self, key, defining_class):
+ # type: (Any, Type[KeyBasedCompareMixin]) -> None
+ self._compare_key = key
+ self._defining_class = defining_class
+
+ def __hash__(self):
+ # type: () -> int
+ return hash(self._compare_key)
+
+ def __lt__(self, other):
+ # type: (Any) -> bool
+ return self._compare(other, operator.__lt__)
+
+ def __le__(self, other):
+ # type: (Any) -> bool
+ return self._compare(other, operator.__le__)
+
+ def __gt__(self, other):
+ # type: (Any) -> bool
+ return self._compare(other, operator.__gt__)
+
+ def __ge__(self, other):
+ # type: (Any) -> bool
+ return self._compare(other, operator.__ge__)
+
+ def __eq__(self, other):
+ # type: (Any) -> bool
+ return self._compare(other, operator.__eq__)
+
+ def _compare(self, other, method):
+ # type: (Any, Callable[[Any, Any], bool]) -> bool
+ if not isinstance(other, self._defining_class):
+ return NotImplemented
+
+ return method(self._compare_key, other._compare_key)
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/packaging.py b/Scripts/Lib/site-packages/pip/_internal/utils/packaging.py
new file mode 100644
index 0000000..3f9dbd3
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/packaging.py
@@ -0,0 +1,89 @@
+import logging
+from email.message import Message
+from email.parser import FeedParser
+from typing import Optional, Tuple
+
+from pip._vendor import pkg_resources
+from pip._vendor.packaging import specifiers, version
+from pip._vendor.pkg_resources import Distribution
+
+from pip._internal.exceptions import NoneMetadataError
+from pip._internal.utils.misc import display_path
+
+logger = logging.getLogger(__name__)
+
+
+def check_requires_python(requires_python, version_info):
+ # type: (Optional[str], Tuple[int, ...]) -> bool
+ """
+ Check if the given Python version matches a "Requires-Python" specifier.
+
+ :param version_info: A 3-tuple of ints representing a Python
+ major-minor-micro version to check (e.g. `sys.version_info[:3]`).
+
+ :return: `True` if the given Python version satisfies the requirement.
+ Otherwise, return `False`.
+
+ :raises InvalidSpecifier: If `requires_python` has an invalid format.
+ """
+ if requires_python is None:
+ # The package provides no information
+ return True
+ requires_python_specifier = specifiers.SpecifierSet(requires_python)
+
+ python_version = version.parse(".".join(map(str, version_info)))
+ return python_version in requires_python_specifier
+
+
+def get_metadata(dist):
+ # type: (Distribution) -> Message
+ """
+ :raises NoneMetadataError: if the distribution reports `has_metadata()`
+ True but `get_metadata()` returns None.
+ """
+ metadata_name = "METADATA"
+ if isinstance(dist, pkg_resources.DistInfoDistribution) and dist.has_metadata(
+ metadata_name
+ ):
+ metadata = dist.get_metadata(metadata_name)
+ elif dist.has_metadata("PKG-INFO"):
+ metadata_name = "PKG-INFO"
+ metadata = dist.get_metadata(metadata_name)
+ else:
+ logger.warning("No metadata found in %s", display_path(dist.location))
+ metadata = ""
+
+ if metadata is None:
+ raise NoneMetadataError(dist, metadata_name)
+
+ feed_parser = FeedParser()
+ # The following line errors out if with a "NoneType" TypeError if
+ # passed metadata=None.
+ feed_parser.feed(metadata)
+ return feed_parser.close()
+
+
+def get_requires_python(dist):
+ # type: (pkg_resources.Distribution) -> Optional[str]
+ """
+ Return the "Requires-Python" metadata for a distribution, or None
+ if not present.
+ """
+ pkg_info_dict = get_metadata(dist)
+ requires_python = pkg_info_dict.get("Requires-Python")
+
+ if requires_python is not None:
+ # Convert to a str to satisfy the type checker, since requires_python
+ # can be a Header object.
+ requires_python = str(requires_python)
+
+ return requires_python
+
+
+def get_installer(dist):
+ # type: (Distribution) -> str
+ if dist.has_metadata("INSTALLER"):
+ for line in dist.get_metadata_lines("INSTALLER"):
+ if line.strip():
+ return line.strip()
+ return ""
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/parallel.py b/Scripts/Lib/site-packages/pip/_internal/utils/parallel.py
new file mode 100644
index 0000000..de91dc8
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/parallel.py
@@ -0,0 +1,101 @@
+"""Convenient parallelization of higher order functions.
+
+This module provides two helper functions, with appropriate fallbacks on
+Python 2 and on systems lacking support for synchronization mechanisms:
+
+- map_multiprocess
+- map_multithread
+
+These helpers work like Python 3's map, with two differences:
+
+- They don't guarantee the order of processing of
+ the elements of the iterable.
+- The underlying process/thread pools chop the iterable into
+ a number of chunks, so that for very long iterables using
+ a large value for chunksize can make the job complete much faster
+ than using the default value of 1.
+"""
+
+__all__ = ["map_multiprocess", "map_multithread"]
+
+from contextlib import contextmanager
+from multiprocessing import Pool as ProcessPool
+from multiprocessing import pool
+from multiprocessing.dummy import Pool as ThreadPool
+from typing import Callable, Iterable, Iterator, TypeVar, Union
+
+from pip._vendor.requests.adapters import DEFAULT_POOLSIZE
+
+Pool = Union[pool.Pool, pool.ThreadPool]
+S = TypeVar("S")
+T = TypeVar("T")
+
+# On platforms without sem_open, multiprocessing[.dummy] Pool
+# cannot be created.
+try:
+ import multiprocessing.synchronize # noqa
+except ImportError:
+ LACK_SEM_OPEN = True
+else:
+ LACK_SEM_OPEN = False
+
+# Incredibly large timeout to work around bpo-8296 on Python 2.
+TIMEOUT = 2000000
+
+
+@contextmanager
+def closing(pool):
+ # type: (Pool) -> Iterator[Pool]
+ """Return a context manager making sure the pool closes properly."""
+ try:
+ yield pool
+ finally:
+ # For Pool.imap*, close and join are needed
+ # for the returned iterator to begin yielding.
+ pool.close()
+ pool.join()
+ pool.terminate()
+
+
+def _map_fallback(func, iterable, chunksize=1):
+ # type: (Callable[[S], T], Iterable[S], int) -> Iterator[T]
+ """Make an iterator applying func to each element in iterable.
+
+ This function is the sequential fallback either on Python 2
+ where Pool.imap* doesn't react to KeyboardInterrupt
+ or when sem_open is unavailable.
+ """
+ return map(func, iterable)
+
+
+def _map_multiprocess(func, iterable, chunksize=1):
+ # type: (Callable[[S], T], Iterable[S], int) -> Iterator[T]
+ """Chop iterable into chunks and submit them to a process pool.
+
+ For very long iterables using a large value for chunksize can make
+ the job complete much faster than using the default value of 1.
+
+ Return an unordered iterator of the results.
+ """
+ with closing(ProcessPool()) as pool:
+ return pool.imap_unordered(func, iterable, chunksize)
+
+
+def _map_multithread(func, iterable, chunksize=1):
+ # type: (Callable[[S], T], Iterable[S], int) -> Iterator[T]
+ """Chop iterable into chunks and submit them to a thread pool.
+
+ For very long iterables using a large value for chunksize can make
+ the job complete much faster than using the default value of 1.
+
+ Return an unordered iterator of the results.
+ """
+ with closing(ThreadPool(DEFAULT_POOLSIZE)) as pool:
+ return pool.imap_unordered(func, iterable, chunksize)
+
+
+if LACK_SEM_OPEN:
+ map_multiprocess = map_multithread = _map_fallback
+else:
+ map_multiprocess = _map_multiprocess
+ map_multithread = _map_multithread
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/pkg_resources.py b/Scripts/Lib/site-packages/pip/_internal/utils/pkg_resources.py
new file mode 100644
index 0000000..ee1eca3
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/pkg_resources.py
@@ -0,0 +1,40 @@
+from typing import Dict, Iterable, List
+
+from pip._vendor.pkg_resources import yield_lines
+
+
+class DictMetadata:
+ """IMetadataProvider that reads metadata files from a dictionary."""
+
+ def __init__(self, metadata):
+ # type: (Dict[str, bytes]) -> None
+ self._metadata = metadata
+
+ def has_metadata(self, name):
+ # type: (str) -> bool
+ return name in self._metadata
+
+ def get_metadata(self, name):
+ # type: (str) -> str
+ try:
+ return self._metadata[name].decode()
+ except UnicodeDecodeError as e:
+ # Mirrors handling done in pkg_resources.NullProvider.
+ e.reason += f" in {name} file"
+ raise
+
+ def get_metadata_lines(self, name):
+ # type: (str) -> Iterable[str]
+ return yield_lines(self.get_metadata(name))
+
+ def metadata_isdir(self, name):
+ # type: (str) -> bool
+ return False
+
+ def metadata_listdir(self, name):
+ # type: (str) -> List[str]
+ return []
+
+ def run_script(self, script_name, namespace):
+ # type: (str, str) -> None
+ pass
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/setuptools_build.py b/Scripts/Lib/site-packages/pip/_internal/utils/setuptools_build.py
new file mode 100644
index 0000000..4b8e4b3
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/setuptools_build.py
@@ -0,0 +1,173 @@
+import sys
+from typing import List, Optional, Sequence
+
+# Shim to wrap setup.py invocation with setuptools
+#
+# We set sys.argv[0] to the path to the underlying setup.py file so
+# setuptools / distutils don't take the path to the setup.py to be "-c" when
+# invoking via the shim. This avoids e.g. the following manifest_maker
+# warning: "warning: manifest_maker: standard file '-c' not found".
+_SETUPTOOLS_SHIM = (
+ "import io, os, sys, setuptools, tokenize; sys.argv[0] = {0!r}; __file__={0!r};"
+ "f = getattr(tokenize, 'open', open)(__file__) "
+ "if os.path.exists(__file__) "
+ "else io.StringIO('from setuptools import setup; setup()');"
+ "code = f.read().replace('\\r\\n', '\\n');"
+ "f.close();"
+ "exec(compile(code, __file__, 'exec'))"
+)
+
+
+def make_setuptools_shim_args(
+ setup_py_path, # type: str
+ global_options=None, # type: Sequence[str]
+ no_user_config=False, # type: bool
+ unbuffered_output=False, # type: bool
+):
+ # type: (...) -> List[str]
+ """
+ Get setuptools command arguments with shim wrapped setup file invocation.
+
+ :param setup_py_path: The path to setup.py to be wrapped.
+ :param global_options: Additional global options.
+ :param no_user_config: If True, disables personal user configuration.
+ :param unbuffered_output: If True, adds the unbuffered switch to the
+ argument list.
+ """
+ args = [sys.executable]
+ if unbuffered_output:
+ args += ["-u"]
+ args += ["-c", _SETUPTOOLS_SHIM.format(setup_py_path)]
+ if global_options:
+ args += global_options
+ if no_user_config:
+ args += ["--no-user-cfg"]
+ return args
+
+
+def make_setuptools_bdist_wheel_args(
+ setup_py_path, # type: str
+ global_options, # type: Sequence[str]
+ build_options, # type: Sequence[str]
+ destination_dir, # type: str
+):
+ # type: (...) -> List[str]
+ # NOTE: Eventually, we'd want to also -S to the flags here, when we're
+ # isolating. Currently, it breaks Python in virtualenvs, because it
+ # relies on site.py to find parts of the standard library outside the
+ # virtualenv.
+ args = make_setuptools_shim_args(
+ setup_py_path, global_options=global_options, unbuffered_output=True
+ )
+ args += ["bdist_wheel", "-d", destination_dir]
+ args += build_options
+ return args
+
+
+def make_setuptools_clean_args(
+ setup_py_path, # type: str
+ global_options, # type: Sequence[str]
+):
+ # type: (...) -> List[str]
+ args = make_setuptools_shim_args(
+ setup_py_path, global_options=global_options, unbuffered_output=True
+ )
+ args += ["clean", "--all"]
+ return args
+
+
+def make_setuptools_develop_args(
+ setup_py_path, # type: str
+ global_options, # type: Sequence[str]
+ install_options, # type: Sequence[str]
+ no_user_config, # type: bool
+ prefix, # type: Optional[str]
+ home, # type: Optional[str]
+ use_user_site, # type: bool
+):
+ # type: (...) -> List[str]
+ assert not (use_user_site and prefix)
+
+ args = make_setuptools_shim_args(
+ setup_py_path,
+ global_options=global_options,
+ no_user_config=no_user_config,
+ )
+
+ args += ["develop", "--no-deps"]
+
+ args += install_options
+
+ if prefix:
+ args += ["--prefix", prefix]
+ if home is not None:
+ args += ["--install-dir", home]
+
+ if use_user_site:
+ args += ["--user", "--prefix="]
+
+ return args
+
+
+def make_setuptools_egg_info_args(
+ setup_py_path, # type: str
+ egg_info_dir, # type: Optional[str]
+ no_user_config, # type: bool
+):
+ # type: (...) -> List[str]
+ args = make_setuptools_shim_args(setup_py_path, no_user_config=no_user_config)
+
+ args += ["egg_info"]
+
+ if egg_info_dir:
+ args += ["--egg-base", egg_info_dir]
+
+ return args
+
+
+def make_setuptools_install_args(
+ setup_py_path, # type: str
+ global_options, # type: Sequence[str]
+ install_options, # type: Sequence[str]
+ record_filename, # type: str
+ root, # type: Optional[str]
+ prefix, # type: Optional[str]
+ header_dir, # type: Optional[str]
+ home, # type: Optional[str]
+ use_user_site, # type: bool
+ no_user_config, # type: bool
+ pycompile, # type: bool
+):
+ # type: (...) -> List[str]
+ assert not (use_user_site and prefix)
+ assert not (use_user_site and root)
+
+ args = make_setuptools_shim_args(
+ setup_py_path,
+ global_options=global_options,
+ no_user_config=no_user_config,
+ unbuffered_output=True,
+ )
+ args += ["install", "--record", record_filename]
+ args += ["--single-version-externally-managed"]
+
+ if root is not None:
+ args += ["--root", root]
+ if prefix is not None:
+ args += ["--prefix", prefix]
+ if home is not None:
+ args += ["--home", home]
+ if use_user_site:
+ args += ["--user", "--prefix="]
+
+ if pycompile:
+ args += ["--compile"]
+ else:
+ args += ["--no-compile"]
+
+ if header_dir:
+ args += ["--install-headers", header_dir]
+
+ args += install_options
+
+ return args
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/subprocess.py b/Scripts/Lib/site-packages/pip/_internal/utils/subprocess.py
new file mode 100644
index 0000000..da052ee
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/subprocess.py
@@ -0,0 +1,281 @@
+import logging
+import os
+import shlex
+import subprocess
+from typing import Any, Callable, Iterable, List, Mapping, Optional, Union
+
+from pip._internal.cli.spinners import SpinnerInterface, open_spinner
+from pip._internal.exceptions import InstallationSubprocessError
+from pip._internal.utils.logging import VERBOSE, subprocess_logger
+from pip._internal.utils.misc import HiddenText
+
+CommandArgs = List[Union[str, HiddenText]]
+
+
+LOG_DIVIDER = "----------------------------------------"
+
+
+def make_command(*args):
+ # type: (Union[str, HiddenText, CommandArgs]) -> CommandArgs
+ """
+ Create a CommandArgs object.
+ """
+ command_args = [] # type: CommandArgs
+ for arg in args:
+ # Check for list instead of CommandArgs since CommandArgs is
+ # only known during type-checking.
+ if isinstance(arg, list):
+ command_args.extend(arg)
+ else:
+ # Otherwise, arg is str or HiddenText.
+ command_args.append(arg)
+
+ return command_args
+
+
+def format_command_args(args):
+ # type: (Union[List[str], CommandArgs]) -> str
+ """
+ Format command arguments for display.
+ """
+ # For HiddenText arguments, display the redacted form by calling str().
+ # Also, we don't apply str() to arguments that aren't HiddenText since
+ # this can trigger a UnicodeDecodeError in Python 2 if the argument
+ # has type unicode and includes a non-ascii character. (The type
+ # checker doesn't ensure the annotations are correct in all cases.)
+ return " ".join(
+ shlex.quote(str(arg)) if isinstance(arg, HiddenText) else shlex.quote(arg)
+ for arg in args
+ )
+
+
+def reveal_command_args(args):
+ # type: (Union[List[str], CommandArgs]) -> List[str]
+ """
+ Return the arguments in their raw, unredacted form.
+ """
+ return [arg.secret if isinstance(arg, HiddenText) else arg for arg in args]
+
+
+def make_subprocess_output_error(
+ cmd_args, # type: Union[List[str], CommandArgs]
+ cwd, # type: Optional[str]
+ lines, # type: List[str]
+ exit_status, # type: int
+):
+ # type: (...) -> str
+ """
+ Create and return the error message to use to log a subprocess error
+ with command output.
+
+ :param lines: A list of lines, each ending with a newline.
+ """
+ command = format_command_args(cmd_args)
+
+ # We know the joined output value ends in a newline.
+ output = "".join(lines)
+ msg = (
+ # Use a unicode string to avoid "UnicodeEncodeError: 'ascii'
+ # codec can't encode character ..." in Python 2 when a format
+ # argument (e.g. `output`) has a non-ascii character.
+ "Command errored out with exit status {exit_status}:\n"
+ " command: {command_display}\n"
+ " cwd: {cwd_display}\n"
+ "Complete output ({line_count} lines):\n{output}{divider}"
+ ).format(
+ exit_status=exit_status,
+ command_display=command,
+ cwd_display=cwd,
+ line_count=len(lines),
+ output=output,
+ divider=LOG_DIVIDER,
+ )
+ return msg
+
+
+def call_subprocess(
+ cmd, # type: Union[List[str], CommandArgs]
+ show_stdout=False, # type: bool
+ cwd=None, # type: Optional[str]
+ on_returncode="raise", # type: str
+ extra_ok_returncodes=None, # type: Optional[Iterable[int]]
+ command_desc=None, # type: Optional[str]
+ extra_environ=None, # type: Optional[Mapping[str, Any]]
+ unset_environ=None, # type: Optional[Iterable[str]]
+ spinner=None, # type: Optional[SpinnerInterface]
+ log_failed_cmd=True, # type: Optional[bool]
+ stdout_only=False, # type: Optional[bool]
+):
+ # type: (...) -> str
+ """
+ Args:
+ show_stdout: if true, use INFO to log the subprocess's stderr and
+ stdout streams. Otherwise, use DEBUG. Defaults to False.
+ extra_ok_returncodes: an iterable of integer return codes that are
+ acceptable, in addition to 0. Defaults to None, which means [].
+ unset_environ: an iterable of environment variable names to unset
+ prior to calling subprocess.Popen().
+ log_failed_cmd: if false, failed commands are not logged, only raised.
+ stdout_only: if true, return only stdout, else return both. When true,
+ logging of both stdout and stderr occurs when the subprocess has
+ terminated, else logging occurs as subprocess output is produced.
+ """
+ if extra_ok_returncodes is None:
+ extra_ok_returncodes = []
+ if unset_environ is None:
+ unset_environ = []
+ # Most places in pip use show_stdout=False. What this means is--
+ #
+ # - We connect the child's output (combined stderr and stdout) to a
+ # single pipe, which we read.
+ # - We log this output to stderr at DEBUG level as it is received.
+ # - If DEBUG logging isn't enabled (e.g. if --verbose logging wasn't
+ # requested), then we show a spinner so the user can still see the
+ # subprocess is in progress.
+ # - If the subprocess exits with an error, we log the output to stderr
+ # at ERROR level if it hasn't already been displayed to the console
+ # (e.g. if --verbose logging wasn't enabled). This way we don't log
+ # the output to the console twice.
+ #
+ # If show_stdout=True, then the above is still done, but with DEBUG
+ # replaced by INFO.
+ if show_stdout:
+ # Then log the subprocess output at INFO level.
+ log_subprocess = subprocess_logger.info
+ used_level = logging.INFO
+ else:
+ # Then log the subprocess output using VERBOSE. This also ensures
+ # it will be logged to the log file (aka user_log), if enabled.
+ log_subprocess = subprocess_logger.verbose
+ used_level = VERBOSE
+
+ # Whether the subprocess will be visible in the console.
+ showing_subprocess = subprocess_logger.getEffectiveLevel() <= used_level
+
+ # Only use the spinner if we're not showing the subprocess output
+ # and we have a spinner.
+ use_spinner = not showing_subprocess and spinner is not None
+
+ if command_desc is None:
+ command_desc = format_command_args(cmd)
+
+ log_subprocess("Running command %s", command_desc)
+ env = os.environ.copy()
+ if extra_environ:
+ env.update(extra_environ)
+ for name in unset_environ:
+ env.pop(name, None)
+ try:
+ proc = subprocess.Popen(
+ # Convert HiddenText objects to the underlying str.
+ reveal_command_args(cmd),
+ stdin=subprocess.PIPE,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.STDOUT if not stdout_only else subprocess.PIPE,
+ cwd=cwd,
+ env=env,
+ errors="backslashreplace",
+ )
+ except Exception as exc:
+ if log_failed_cmd:
+ subprocess_logger.critical(
+ "Error %s while executing command %s",
+ exc,
+ command_desc,
+ )
+ raise
+ all_output = []
+ if not stdout_only:
+ assert proc.stdout
+ assert proc.stdin
+ proc.stdin.close()
+ # In this mode, stdout and stderr are in the same pipe.
+ while True:
+ line = proc.stdout.readline() # type: str
+ if not line:
+ break
+ line = line.rstrip()
+ all_output.append(line + "\n")
+
+ # Show the line immediately.
+ log_subprocess(line)
+ # Update the spinner.
+ if use_spinner:
+ assert spinner
+ spinner.spin()
+ try:
+ proc.wait()
+ finally:
+ if proc.stdout:
+ proc.stdout.close()
+ output = "".join(all_output)
+ else:
+ # In this mode, stdout and stderr are in different pipes.
+ # We must use communicate() which is the only safe way to read both.
+ out, err = proc.communicate()
+ # log line by line to preserve pip log indenting
+ for out_line in out.splitlines():
+ log_subprocess(out_line)
+ all_output.append(out)
+ for err_line in err.splitlines():
+ log_subprocess(err_line)
+ all_output.append(err)
+ output = out
+
+ proc_had_error = proc.returncode and proc.returncode not in extra_ok_returncodes
+ if use_spinner:
+ assert spinner
+ if proc_had_error:
+ spinner.finish("error")
+ else:
+ spinner.finish("done")
+ if proc_had_error:
+ if on_returncode == "raise":
+ if not showing_subprocess and log_failed_cmd:
+ # Then the subprocess streams haven't been logged to the
+ # console yet.
+ msg = make_subprocess_output_error(
+ cmd_args=cmd,
+ cwd=cwd,
+ lines=all_output,
+ exit_status=proc.returncode,
+ )
+ subprocess_logger.error(msg)
+ raise InstallationSubprocessError(proc.returncode, command_desc)
+ elif on_returncode == "warn":
+ subprocess_logger.warning(
+ 'Command "%s" had error code %s in %s',
+ command_desc,
+ proc.returncode,
+ cwd,
+ )
+ elif on_returncode == "ignore":
+ pass
+ else:
+ raise ValueError(f"Invalid value: on_returncode={on_returncode!r}")
+ return output
+
+
+def runner_with_spinner_message(message):
+ # type: (str) -> Callable[..., None]
+ """Provide a subprocess_runner that shows a spinner message.
+
+ Intended for use with for pep517's Pep517HookCaller. Thus, the runner has
+ an API that matches what's expected by Pep517HookCaller.subprocess_runner.
+ """
+
+ def runner(
+ cmd, # type: List[str]
+ cwd=None, # type: Optional[str]
+ extra_environ=None, # type: Optional[Mapping[str, Any]]
+ ):
+ # type: (...) -> None
+ with open_spinner(message) as spinner:
+ call_subprocess(
+ cmd,
+ cwd=cwd,
+ extra_environ=extra_environ,
+ spinner=spinner,
+ )
+
+ return runner
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/temp_dir.py b/Scripts/Lib/site-packages/pip/_internal/utils/temp_dir.py
new file mode 100644
index 0000000..477cbe6
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/temp_dir.py
@@ -0,0 +1,260 @@
+import errno
+import itertools
+import logging
+import os.path
+import tempfile
+from contextlib import ExitStack, contextmanager
+from typing import Any, Dict, Iterator, Optional, TypeVar, Union
+
+from pip._internal.utils.misc import enum, rmtree
+
+logger = logging.getLogger(__name__)
+
+_T = TypeVar("_T", bound="TempDirectory")
+
+
+# Kinds of temporary directories. Only needed for ones that are
+# globally-managed.
+tempdir_kinds = enum(
+ BUILD_ENV="build-env",
+ EPHEM_WHEEL_CACHE="ephem-wheel-cache",
+ REQ_BUILD="req-build",
+)
+
+
+_tempdir_manager = None # type: Optional[ExitStack]
+
+
+@contextmanager
+def global_tempdir_manager():
+ # type: () -> Iterator[None]
+ global _tempdir_manager
+ with ExitStack() as stack:
+ old_tempdir_manager, _tempdir_manager = _tempdir_manager, stack
+ try:
+ yield
+ finally:
+ _tempdir_manager = old_tempdir_manager
+
+
+class TempDirectoryTypeRegistry:
+ """Manages temp directory behavior"""
+
+ def __init__(self):
+ # type: () -> None
+ self._should_delete = {} # type: Dict[str, bool]
+
+ def set_delete(self, kind, value):
+ # type: (str, bool) -> None
+ """Indicate whether a TempDirectory of the given kind should be
+ auto-deleted.
+ """
+ self._should_delete[kind] = value
+
+ def get_delete(self, kind):
+ # type: (str) -> bool
+ """Get configured auto-delete flag for a given TempDirectory type,
+ default True.
+ """
+ return self._should_delete.get(kind, True)
+
+
+_tempdir_registry = None # type: Optional[TempDirectoryTypeRegistry]
+
+
+@contextmanager
+def tempdir_registry():
+ # type: () -> Iterator[TempDirectoryTypeRegistry]
+ """Provides a scoped global tempdir registry that can be used to dictate
+ whether directories should be deleted.
+ """
+ global _tempdir_registry
+ old_tempdir_registry = _tempdir_registry
+ _tempdir_registry = TempDirectoryTypeRegistry()
+ try:
+ yield _tempdir_registry
+ finally:
+ _tempdir_registry = old_tempdir_registry
+
+
+class _Default:
+ pass
+
+
+_default = _Default()
+
+
+class TempDirectory:
+ """Helper class that owns and cleans up a temporary directory.
+
+ This class can be used as a context manager or as an OO representation of a
+ temporary directory.
+
+ Attributes:
+ path
+ Location to the created temporary directory
+ delete
+ Whether the directory should be deleted when exiting
+ (when used as a contextmanager)
+
+ Methods:
+ cleanup()
+ Deletes the temporary directory
+
+ When used as a context manager, if the delete attribute is True, on
+ exiting the context the temporary directory is deleted.
+ """
+
+ def __init__(
+ self,
+ path=None, # type: Optional[str]
+ delete=_default, # type: Union[bool, None, _Default]
+ kind="temp", # type: str
+ globally_managed=False, # type: bool
+ ):
+ super().__init__()
+
+ if delete is _default:
+ if path is not None:
+ # If we were given an explicit directory, resolve delete option
+ # now.
+ delete = False
+ else:
+ # Otherwise, we wait until cleanup and see what
+ # tempdir_registry says.
+ delete = None
+
+ # The only time we specify path is in for editables where it
+ # is the value of the --src option.
+ if path is None:
+ path = self._create(kind)
+
+ self._path = path
+ self._deleted = False
+ self.delete = delete
+ self.kind = kind
+
+ if globally_managed:
+ assert _tempdir_manager is not None
+ _tempdir_manager.enter_context(self)
+
+ @property
+ def path(self):
+ # type: () -> str
+ assert not self._deleted, f"Attempted to access deleted path: {self._path}"
+ return self._path
+
+ def __repr__(self):
+ # type: () -> str
+ return f"<{self.__class__.__name__} {self.path!r}>"
+
+ def __enter__(self):
+ # type: (_T) -> _T
+ return self
+
+ def __exit__(self, exc, value, tb):
+ # type: (Any, Any, Any) -> None
+ if self.delete is not None:
+ delete = self.delete
+ elif _tempdir_registry:
+ delete = _tempdir_registry.get_delete(self.kind)
+ else:
+ delete = True
+
+ if delete:
+ self.cleanup()
+
+ def _create(self, kind):
+ # type: (str) -> str
+ """Create a temporary directory and store its path in self.path"""
+ # We realpath here because some systems have their default tmpdir
+ # symlinked to another directory. This tends to confuse build
+ # scripts, so we canonicalize the path by traversing potential
+ # symlinks here.
+ path = os.path.realpath(tempfile.mkdtemp(prefix=f"pip-{kind}-"))
+ logger.debug("Created temporary directory: %s", path)
+ return path
+
+ def cleanup(self):
+ # type: () -> None
+ """Remove the temporary directory created and reset state"""
+ self._deleted = True
+ if not os.path.exists(self._path):
+ return
+ rmtree(self._path)
+
+
+class AdjacentTempDirectory(TempDirectory):
+ """Helper class that creates a temporary directory adjacent to a real one.
+
+ Attributes:
+ original
+ The original directory to create a temp directory for.
+ path
+ After calling create() or entering, contains the full
+ path to the temporary directory.
+ delete
+ Whether the directory should be deleted when exiting
+ (when used as a contextmanager)
+
+ """
+
+ # The characters that may be used to name the temp directory
+ # We always prepend a ~ and then rotate through these until
+ # a usable name is found.
+ # pkg_resources raises a different error for .dist-info folder
+ # with leading '-' and invalid metadata
+ LEADING_CHARS = "-~.=%0123456789"
+
+ def __init__(self, original, delete=None):
+ # type: (str, Optional[bool]) -> None
+ self.original = original.rstrip("/\\")
+ super().__init__(delete=delete)
+
+ @classmethod
+ def _generate_names(cls, name):
+ # type: (str) -> Iterator[str]
+ """Generates a series of temporary names.
+
+ The algorithm replaces the leading characters in the name
+ with ones that are valid filesystem characters, but are not
+ valid package names (for both Python and pip definitions of
+ package).
+ """
+ for i in range(1, len(name)):
+ for candidate in itertools.combinations_with_replacement(
+ cls.LEADING_CHARS, i - 1
+ ):
+ new_name = "~" + "".join(candidate) + name[i:]
+ if new_name != name:
+ yield new_name
+
+ # If we make it this far, we will have to make a longer name
+ for i in range(len(cls.LEADING_CHARS)):
+ for candidate in itertools.combinations_with_replacement(
+ cls.LEADING_CHARS, i
+ ):
+ new_name = "~" + "".join(candidate) + name
+ if new_name != name:
+ yield new_name
+
+ def _create(self, kind):
+ # type: (str) -> str
+ root, name = os.path.split(self.original)
+ for candidate in self._generate_names(name):
+ path = os.path.join(root, candidate)
+ try:
+ os.mkdir(path)
+ except OSError as ex:
+ # Continue if the name exists already
+ if ex.errno != errno.EEXIST:
+ raise
+ else:
+ path = os.path.realpath(path)
+ break
+ else:
+ # Final fallback on the default behavior.
+ path = os.path.realpath(tempfile.mkdtemp(prefix=f"pip-{kind}-"))
+
+ logger.debug("Created temporary directory: %s", path)
+ return path
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/unpacking.py b/Scripts/Lib/site-packages/pip/_internal/utils/unpacking.py
new file mode 100644
index 0000000..bffb3cd
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/unpacking.py
@@ -0,0 +1,267 @@
+"""Utilities related archives.
+"""
+
+import logging
+import os
+import shutil
+import stat
+import tarfile
+import zipfile
+from typing import Iterable, List, Optional
+from zipfile import ZipInfo
+
+from pip._internal.exceptions import InstallationError
+from pip._internal.utils.filetypes import (
+ BZ2_EXTENSIONS,
+ TAR_EXTENSIONS,
+ XZ_EXTENSIONS,
+ ZIP_EXTENSIONS,
+)
+from pip._internal.utils.misc import ensure_dir
+
+logger = logging.getLogger(__name__)
+
+
+SUPPORTED_EXTENSIONS = ZIP_EXTENSIONS + TAR_EXTENSIONS
+
+try:
+ import bz2 # noqa
+
+ SUPPORTED_EXTENSIONS += BZ2_EXTENSIONS
+except ImportError:
+ logger.debug("bz2 module is not available")
+
+try:
+ # Only for Python 3.3+
+ import lzma # noqa
+
+ SUPPORTED_EXTENSIONS += XZ_EXTENSIONS
+except ImportError:
+ logger.debug("lzma module is not available")
+
+
+def current_umask():
+ # type: () -> int
+ """Get the current umask which involves having to set it temporarily."""
+ mask = os.umask(0)
+ os.umask(mask)
+ return mask
+
+
+def split_leading_dir(path):
+ # type: (str) -> List[str]
+ path = path.lstrip("/").lstrip("\\")
+ if "/" in path and (
+ ("\\" in path and path.find("/") < path.find("\\")) or "\\" not in path
+ ):
+ return path.split("/", 1)
+ elif "\\" in path:
+ return path.split("\\", 1)
+ else:
+ return [path, ""]
+
+
+def has_leading_dir(paths):
+ # type: (Iterable[str]) -> bool
+ """Returns true if all the paths have the same leading path name
+ (i.e., everything is in one subdirectory in an archive)"""
+ common_prefix = None
+ for path in paths:
+ prefix, rest = split_leading_dir(path)
+ if not prefix:
+ return False
+ elif common_prefix is None:
+ common_prefix = prefix
+ elif prefix != common_prefix:
+ return False
+ return True
+
+
+def is_within_directory(directory, target):
+ # type: (str, str) -> bool
+ """
+ Return true if the absolute path of target is within the directory
+ """
+ abs_directory = os.path.abspath(directory)
+ abs_target = os.path.abspath(target)
+
+ prefix = os.path.commonprefix([abs_directory, abs_target])
+ return prefix == abs_directory
+
+
+def set_extracted_file_to_default_mode_plus_executable(path):
+ # type: (str) -> None
+ """
+ Make file present at path have execute for user/group/world
+ (chmod +x) is no-op on windows per python docs
+ """
+ os.chmod(path, (0o777 & ~current_umask() | 0o111))
+
+
+def zip_item_is_executable(info):
+ # type: (ZipInfo) -> bool
+ mode = info.external_attr >> 16
+ # if mode and regular file and any execute permissions for
+ # user/group/world?
+ return bool(mode and stat.S_ISREG(mode) and mode & 0o111)
+
+
+def unzip_file(filename, location, flatten=True):
+ # type: (str, str, bool) -> None
+ """
+ Unzip the file (with path `filename`) to the destination `location`. All
+ files are written based on system defaults and umask (i.e. permissions are
+ not preserved), except that regular file members with any execute
+ permissions (user, group, or world) have "chmod +x" applied after being
+ written. Note that for windows, any execute changes using os.chmod are
+ no-ops per the python docs.
+ """
+ ensure_dir(location)
+ zipfp = open(filename, "rb")
+ try:
+ zip = zipfile.ZipFile(zipfp, allowZip64=True)
+ leading = has_leading_dir(zip.namelist()) and flatten
+ for info in zip.infolist():
+ name = info.filename
+ fn = name
+ if leading:
+ fn = split_leading_dir(name)[1]
+ fn = os.path.join(location, fn)
+ dir = os.path.dirname(fn)
+ if not is_within_directory(location, fn):
+ message = (
+ "The zip file ({}) has a file ({}) trying to install "
+ "outside target directory ({})"
+ )
+ raise InstallationError(message.format(filename, fn, location))
+ if fn.endswith("/") or fn.endswith("\\"):
+ # A directory
+ ensure_dir(fn)
+ else:
+ ensure_dir(dir)
+ # Don't use read() to avoid allocating an arbitrarily large
+ # chunk of memory for the file's content
+ fp = zip.open(name)
+ try:
+ with open(fn, "wb") as destfp:
+ shutil.copyfileobj(fp, destfp)
+ finally:
+ fp.close()
+ if zip_item_is_executable(info):
+ set_extracted_file_to_default_mode_plus_executable(fn)
+ finally:
+ zipfp.close()
+
+
+def untar_file(filename, location):
+ # type: (str, str) -> None
+ """
+ Untar the file (with path `filename`) to the destination `location`.
+ All files are written based on system defaults and umask (i.e. permissions
+ are not preserved), except that regular file members with any execute
+ permissions (user, group, or world) have "chmod +x" applied after being
+ written. Note that for windows, any execute changes using os.chmod are
+ no-ops per the python docs.
+ """
+ ensure_dir(location)
+ if filename.lower().endswith(".gz") or filename.lower().endswith(".tgz"):
+ mode = "r:gz"
+ elif filename.lower().endswith(BZ2_EXTENSIONS):
+ mode = "r:bz2"
+ elif filename.lower().endswith(XZ_EXTENSIONS):
+ mode = "r:xz"
+ elif filename.lower().endswith(".tar"):
+ mode = "r"
+ else:
+ logger.warning(
+ "Cannot determine compression type for file %s",
+ filename,
+ )
+ mode = "r:*"
+ tar = tarfile.open(filename, mode, encoding="utf-8")
+ try:
+ leading = has_leading_dir([member.name for member in tar.getmembers()])
+ for member in tar.getmembers():
+ fn = member.name
+ if leading:
+ fn = split_leading_dir(fn)[1]
+ path = os.path.join(location, fn)
+ if not is_within_directory(location, path):
+ message = (
+ "The tar file ({}) has a file ({}) trying to install "
+ "outside target directory ({})"
+ )
+ raise InstallationError(message.format(filename, path, location))
+ if member.isdir():
+ ensure_dir(path)
+ elif member.issym():
+ try:
+ # https://github.com/python/typeshed/issues/2673
+ tar._extract_member(member, path) # type: ignore
+ except Exception as exc:
+ # Some corrupt tar files seem to produce this
+ # (specifically bad symlinks)
+ logger.warning(
+ "In the tar file %s the member %s is invalid: %s",
+ filename,
+ member.name,
+ exc,
+ )
+ continue
+ else:
+ try:
+ fp = tar.extractfile(member)
+ except (KeyError, AttributeError) as exc:
+ # Some corrupt tar files seem to produce this
+ # (specifically bad symlinks)
+ logger.warning(
+ "In the tar file %s the member %s is invalid: %s",
+ filename,
+ member.name,
+ exc,
+ )
+ continue
+ ensure_dir(os.path.dirname(path))
+ assert fp is not None
+ with open(path, "wb") as destfp:
+ shutil.copyfileobj(fp, destfp)
+ fp.close()
+ # Update the timestamp (useful for cython compiled files)
+ tar.utime(member, path)
+ # member have any execute permissions for user/group/world?
+ if member.mode & 0o111:
+ set_extracted_file_to_default_mode_plus_executable(path)
+ finally:
+ tar.close()
+
+
+def unpack_file(
+ filename, # type: str
+ location, # type: str
+ content_type=None, # type: Optional[str]
+):
+ # type: (...) -> None
+ filename = os.path.realpath(filename)
+ if (
+ content_type == "application/zip"
+ or filename.lower().endswith(ZIP_EXTENSIONS)
+ or zipfile.is_zipfile(filename)
+ ):
+ unzip_file(filename, location, flatten=not filename.endswith(".whl"))
+ elif (
+ content_type == "application/x-gzip"
+ or tarfile.is_tarfile(filename)
+ or filename.lower().endswith(TAR_EXTENSIONS + BZ2_EXTENSIONS + XZ_EXTENSIONS)
+ ):
+ untar_file(filename, location)
+ else:
+ # FIXME: handle?
+ # FIXME: magic signatures?
+ logger.critical(
+ "Cannot unpack file %s (downloaded from %s, content-type: %s); "
+ "cannot detect archive format",
+ filename,
+ location,
+ content_type,
+ )
+ raise InstallationError(f"Cannot determine archive format of {location}")
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/urls.py b/Scripts/Lib/site-packages/pip/_internal/utils/urls.py
new file mode 100644
index 0000000..7b51052
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/urls.py
@@ -0,0 +1,65 @@
+import os
+import string
+import urllib.parse
+import urllib.request
+from typing import Optional
+
+from .compat import WINDOWS
+
+
+def get_url_scheme(url):
+ # type: (str) -> Optional[str]
+ if ":" not in url:
+ return None
+ return url.split(":", 1)[0].lower()
+
+
+def path_to_url(path):
+ # type: (str) -> str
+ """
+ Convert a path to a file: URL. The path will be made absolute and have
+ quoted path parts.
+ """
+ path = os.path.normpath(os.path.abspath(path))
+ url = urllib.parse.urljoin("file:", urllib.request.pathname2url(path))
+ return url
+
+
+def url_to_path(url):
+ # type: (str) -> str
+ """
+ Convert a file: URL to a path.
+ """
+ assert url.startswith(
+ "file:"
+ ), f"You can only turn file: urls into filenames (not {url!r})"
+
+ _, netloc, path, _, _ = urllib.parse.urlsplit(url)
+
+ if not netloc or netloc == "localhost":
+ # According to RFC 8089, same as empty authority.
+ netloc = ""
+ elif WINDOWS:
+ # If we have a UNC path, prepend UNC share notation.
+ netloc = "\\\\" + netloc
+ else:
+ raise ValueError(
+ f"non-local file URIs are not supported on this platform: {url!r}"
+ )
+
+ path = urllib.request.url2pathname(netloc + path)
+
+ # On Windows, urlsplit parses the path as something like "/C:/Users/foo".
+ # This creates issues for path-related functions like io.open(), so we try
+ # to detect and strip the leading slash.
+ if (
+ WINDOWS
+ and not netloc # Not UNC.
+ and len(path) >= 3
+ and path[0] == "/" # Leading slash to strip.
+ and path[1] in string.ascii_letters # Drive letter.
+ and path[2:4] in (":", ":/") # Colon + end of string, or colon + absolute path.
+ ):
+ path = path[1:]
+
+ return path
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/virtualenv.py b/Scripts/Lib/site-packages/pip/_internal/utils/virtualenv.py
new file mode 100644
index 0000000..51cacb5
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/virtualenv.py
@@ -0,0 +1,111 @@
+import logging
+import os
+import re
+import site
+import sys
+from typing import List, Optional
+
+logger = logging.getLogger(__name__)
+_INCLUDE_SYSTEM_SITE_PACKAGES_REGEX = re.compile(
+ r"include-system-site-packages\s*=\s*(?Ptrue|false)"
+)
+
+
+def _running_under_venv():
+ # type: () -> bool
+ """Checks if sys.base_prefix and sys.prefix match.
+
+ This handles PEP 405 compliant virtual environments.
+ """
+ return sys.prefix != getattr(sys, "base_prefix", sys.prefix)
+
+
+def _running_under_regular_virtualenv():
+ # type: () -> bool
+ """Checks if sys.real_prefix is set.
+
+ This handles virtual environments created with pypa's virtualenv.
+ """
+ # pypa/virtualenv case
+ return hasattr(sys, "real_prefix")
+
+
+def running_under_virtualenv():
+ # type: () -> bool
+ """Return True if we're running inside a virtualenv, False otherwise."""
+ return _running_under_venv() or _running_under_regular_virtualenv()
+
+
+def _get_pyvenv_cfg_lines():
+ # type: () -> Optional[List[str]]
+ """Reads {sys.prefix}/pyvenv.cfg and returns its contents as list of lines
+
+ Returns None, if it could not read/access the file.
+ """
+ pyvenv_cfg_file = os.path.join(sys.prefix, "pyvenv.cfg")
+ try:
+ # Although PEP 405 does not specify, the built-in venv module always
+ # writes with UTF-8. (pypa/pip#8717)
+ with open(pyvenv_cfg_file, encoding="utf-8") as f:
+ return f.read().splitlines() # avoids trailing newlines
+ except OSError:
+ return None
+
+
+def _no_global_under_venv():
+ # type: () -> bool
+ """Check `{sys.prefix}/pyvenv.cfg` for system site-packages inclusion
+
+ PEP 405 specifies that when system site-packages are not supposed to be
+ visible from a virtual environment, `pyvenv.cfg` must contain the following
+ line:
+
+ include-system-site-packages = false
+
+ Additionally, log a warning if accessing the file fails.
+ """
+ cfg_lines = _get_pyvenv_cfg_lines()
+ if cfg_lines is None:
+ # We're not in a "sane" venv, so assume there is no system
+ # site-packages access (since that's PEP 405's default state).
+ logger.warning(
+ "Could not access 'pyvenv.cfg' despite a virtual environment "
+ "being active. Assuming global site-packages is not accessible "
+ "in this environment."
+ )
+ return True
+
+ for line in cfg_lines:
+ match = _INCLUDE_SYSTEM_SITE_PACKAGES_REGEX.match(line)
+ if match is not None and match.group("value") == "false":
+ return True
+ return False
+
+
+def _no_global_under_regular_virtualenv():
+ # type: () -> bool
+ """Check if "no-global-site-packages.txt" exists beside site.py
+
+ This mirrors logic in pypa/virtualenv for determining whether system
+ site-packages are visible in the virtual environment.
+ """
+ site_mod_dir = os.path.dirname(os.path.abspath(site.__file__))
+ no_global_site_packages_file = os.path.join(
+ site_mod_dir,
+ "no-global-site-packages.txt",
+ )
+ return os.path.exists(no_global_site_packages_file)
+
+
+def virtualenv_no_global():
+ # type: () -> bool
+ """Returns a boolean, whether running in venv with no system site-packages."""
+ # PEP 405 compliance needs to be checked first since virtualenv >=20 would
+ # return True for both checks, but is only able to use the PEP 405 config.
+ if _running_under_venv():
+ return _no_global_under_venv()
+
+ if _running_under_regular_virtualenv():
+ return _no_global_under_regular_virtualenv()
+
+ return False
diff --git a/Scripts/Lib/site-packages/pip/_internal/utils/wheel.py b/Scripts/Lib/site-packages/pip/_internal/utils/wheel.py
new file mode 100644
index 0000000..42f0808
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/utils/wheel.py
@@ -0,0 +1,189 @@
+"""Support functions for working with wheel files.
+"""
+
+import logging
+from email.message import Message
+from email.parser import Parser
+from typing import Dict, Tuple
+from zipfile import BadZipFile, ZipFile
+
+from pip._vendor.packaging.utils import canonicalize_name
+from pip._vendor.pkg_resources import DistInfoDistribution, Distribution
+
+from pip._internal.exceptions import UnsupportedWheel
+from pip._internal.utils.pkg_resources import DictMetadata
+
+VERSION_COMPATIBLE = (1, 0)
+
+
+logger = logging.getLogger(__name__)
+
+
+class WheelMetadata(DictMetadata):
+ """Metadata provider that maps metadata decoding exceptions to our
+ internal exception type.
+ """
+
+ def __init__(self, metadata, wheel_name):
+ # type: (Dict[str, bytes], str) -> None
+ super().__init__(metadata)
+ self._wheel_name = wheel_name
+
+ def get_metadata(self, name):
+ # type: (str) -> str
+ try:
+ return super().get_metadata(name)
+ except UnicodeDecodeError as e:
+ # Augment the default error with the origin of the file.
+ raise UnsupportedWheel(
+ f"Error decoding metadata for {self._wheel_name}: {e}"
+ )
+
+
+def pkg_resources_distribution_for_wheel(wheel_zip, name, location):
+ # type: (ZipFile, str, str) -> Distribution
+ """Get a pkg_resources distribution given a wheel.
+
+ :raises UnsupportedWheel: on any errors
+ """
+ info_dir, _ = parse_wheel(wheel_zip, name)
+
+ metadata_files = [p for p in wheel_zip.namelist() if p.startswith(f"{info_dir}/")]
+
+ metadata_text = {} # type: Dict[str, bytes]
+ for path in metadata_files:
+ _, metadata_name = path.split("/", 1)
+
+ try:
+ metadata_text[metadata_name] = read_wheel_metadata_file(wheel_zip, path)
+ except UnsupportedWheel as e:
+ raise UnsupportedWheel("{} has an invalid wheel, {}".format(name, str(e)))
+
+ metadata = WheelMetadata(metadata_text, location)
+
+ return DistInfoDistribution(location=location, metadata=metadata, project_name=name)
+
+
+def parse_wheel(wheel_zip, name):
+ # type: (ZipFile, str) -> Tuple[str, Message]
+ """Extract information from the provided wheel, ensuring it meets basic
+ standards.
+
+ Returns the name of the .dist-info directory and the parsed WHEEL metadata.
+ """
+ try:
+ info_dir = wheel_dist_info_dir(wheel_zip, name)
+ metadata = wheel_metadata(wheel_zip, info_dir)
+ version = wheel_version(metadata)
+ except UnsupportedWheel as e:
+ raise UnsupportedWheel("{} has an invalid wheel, {}".format(name, str(e)))
+
+ check_compatibility(version, name)
+
+ return info_dir, metadata
+
+
+def wheel_dist_info_dir(source, name):
+ # type: (ZipFile, str) -> str
+ """Returns the name of the contained .dist-info directory.
+
+ Raises AssertionError or UnsupportedWheel if not found, >1 found, or
+ it doesn't match the provided name.
+ """
+ # Zip file path separators must be /
+ subdirs = {p.split("/", 1)[0] for p in source.namelist()}
+
+ info_dirs = [s for s in subdirs if s.endswith(".dist-info")]
+
+ if not info_dirs:
+ raise UnsupportedWheel(".dist-info directory not found")
+
+ if len(info_dirs) > 1:
+ raise UnsupportedWheel(
+ "multiple .dist-info directories found: {}".format(", ".join(info_dirs))
+ )
+
+ info_dir = info_dirs[0]
+
+ info_dir_name = canonicalize_name(info_dir)
+ canonical_name = canonicalize_name(name)
+ if not info_dir_name.startswith(canonical_name):
+ raise UnsupportedWheel(
+ ".dist-info directory {!r} does not start with {!r}".format(
+ info_dir, canonical_name
+ )
+ )
+
+ return info_dir
+
+
+def read_wheel_metadata_file(source, path):
+ # type: (ZipFile, str) -> bytes
+ try:
+ return source.read(path)
+ # BadZipFile for general corruption, KeyError for missing entry,
+ # and RuntimeError for password-protected files
+ except (BadZipFile, KeyError, RuntimeError) as e:
+ raise UnsupportedWheel(f"could not read {path!r} file: {e!r}")
+
+
+def wheel_metadata(source, dist_info_dir):
+ # type: (ZipFile, str) -> Message
+ """Return the WHEEL metadata of an extracted wheel, if possible.
+ Otherwise, raise UnsupportedWheel.
+ """
+ path = f"{dist_info_dir}/WHEEL"
+ # Zip file path separators must be /
+ wheel_contents = read_wheel_metadata_file(source, path)
+
+ try:
+ wheel_text = wheel_contents.decode()
+ except UnicodeDecodeError as e:
+ raise UnsupportedWheel(f"error decoding {path!r}: {e!r}")
+
+ # FeedParser (used by Parser) does not raise any exceptions. The returned
+ # message may have .defects populated, but for backwards-compatibility we
+ # currently ignore them.
+ return Parser().parsestr(wheel_text)
+
+
+def wheel_version(wheel_data):
+ # type: (Message) -> Tuple[int, ...]
+ """Given WHEEL metadata, return the parsed Wheel-Version.
+ Otherwise, raise UnsupportedWheel.
+ """
+ version_text = wheel_data["Wheel-Version"]
+ if version_text is None:
+ raise UnsupportedWheel("WHEEL is missing Wheel-Version")
+
+ version = version_text.strip()
+
+ try:
+ return tuple(map(int, version.split(".")))
+ except ValueError:
+ raise UnsupportedWheel(f"invalid Wheel-Version: {version!r}")
+
+
+def check_compatibility(version, name):
+ # type: (Tuple[int, ...], str) -> None
+ """Raises errors or warns if called with an incompatible Wheel-Version.
+
+ pip should refuse to install a Wheel-Version that's a major series
+ ahead of what it's compatible with (e.g 2.0 > 1.1); and warn when
+ installing a version only minor version ahead (e.g 1.2 > 1.1).
+
+ version: a 2-tuple representing a Wheel-Version (Major, Minor)
+ name: name of wheel or package to raise exception about
+
+ :raises UnsupportedWheel: when an incompatible Wheel-Version is given
+ """
+ if version[0] > VERSION_COMPATIBLE[0]:
+ raise UnsupportedWheel(
+ "{}'s Wheel-Version ({}) is not compatible with this version "
+ "of pip".format(name, ".".join(map(str, version)))
+ )
+ elif version > VERSION_COMPATIBLE:
+ logger.warning(
+ "Installing from a newer Wheel-Version (%s)",
+ ".".join(map(str, version)),
+ )
diff --git a/Scripts/Lib/site-packages/pip/_internal/vcs/__init__.py b/Scripts/Lib/site-packages/pip/_internal/vcs/__init__.py
new file mode 100644
index 0000000..b6beddb
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/vcs/__init__.py
@@ -0,0 +1,15 @@
+# Expose a limited set of classes and functions so callers outside of
+# the vcs package don't need to import deeper than `pip._internal.vcs`.
+# (The test directory may still need to import from a vcs sub-package.)
+# Import all vcs modules to register each VCS in the VcsSupport object.
+import pip._internal.vcs.bazaar
+import pip._internal.vcs.git
+import pip._internal.vcs.mercurial
+import pip._internal.vcs.subversion # noqa: F401
+from pip._internal.vcs.versioncontrol import ( # noqa: F401
+ RemoteNotFoundError,
+ RemoteNotValidError,
+ is_url,
+ make_vcs_requirement_url,
+ vcs,
+)
diff --git a/Scripts/Lib/site-packages/pip/_internal/vcs/__pycache__/__init__.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_internal/vcs/__pycache__/__init__.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_internal/vcs/bazaar.py b/Scripts/Lib/site-packages/pip/_internal/vcs/bazaar.py
new file mode 100644
index 0000000..42b6877
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/vcs/bazaar.py
@@ -0,0 +1,96 @@
+import logging
+from typing import List, Optional, Tuple
+
+from pip._internal.utils.misc import HiddenText, display_path
+from pip._internal.utils.subprocess import make_command
+from pip._internal.utils.urls import path_to_url
+from pip._internal.vcs.versioncontrol import (
+ AuthInfo,
+ RemoteNotFoundError,
+ RevOptions,
+ VersionControl,
+ vcs,
+)
+
+logger = logging.getLogger(__name__)
+
+
+class Bazaar(VersionControl):
+ name = 'bzr'
+ dirname = '.bzr'
+ repo_name = 'branch'
+ schemes = (
+ 'bzr+http', 'bzr+https', 'bzr+ssh', 'bzr+sftp', 'bzr+ftp',
+ 'bzr+lp', 'bzr+file'
+ )
+
+ @staticmethod
+ def get_base_rev_args(rev):
+ # type: (str) -> List[str]
+ return ['-r', rev]
+
+ def fetch_new(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ rev_display = rev_options.to_display()
+ logger.info(
+ 'Checking out %s%s to %s',
+ url,
+ rev_display,
+ display_path(dest),
+ )
+ cmd_args = (
+ make_command('branch', '-q', rev_options.to_args(), url, dest)
+ )
+ self.run_command(cmd_args)
+
+ def switch(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ self.run_command(make_command('switch', url), cwd=dest)
+
+ def update(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ cmd_args = make_command('pull', '-q', rev_options.to_args())
+ self.run_command(cmd_args, cwd=dest)
+
+ @classmethod
+ def get_url_rev_and_auth(cls, url):
+ # type: (str) -> Tuple[str, Optional[str], AuthInfo]
+ # hotfix the URL scheme after removing bzr+ from bzr+ssh:// readd it
+ url, rev, user_pass = super().get_url_rev_and_auth(url)
+ if url.startswith('ssh://'):
+ url = 'bzr+' + url
+ return url, rev, user_pass
+
+ @classmethod
+ def get_remote_url(cls, location):
+ # type: (str) -> str
+ urls = cls.run_command(
+ ['info'], show_stdout=False, stdout_only=True, cwd=location
+ )
+ for line in urls.splitlines():
+ line = line.strip()
+ for x in ('checkout of branch: ',
+ 'parent branch: '):
+ if line.startswith(x):
+ repo = line.split(x)[1]
+ if cls._is_local_repository(repo):
+ return path_to_url(repo)
+ return repo
+ raise RemoteNotFoundError
+
+ @classmethod
+ def get_revision(cls, location):
+ # type: (str) -> str
+ revision = cls.run_command(
+ ['revno'], show_stdout=False, stdout_only=True, cwd=location,
+ )
+ return revision.splitlines()[-1]
+
+ @classmethod
+ def is_commit_id_equal(cls, dest, name):
+ # type: (str, Optional[str]) -> bool
+ """Always assume the versions don't match"""
+ return False
+
+
+vcs.register(Bazaar)
diff --git a/Scripts/Lib/site-packages/pip/_internal/vcs/git.py b/Scripts/Lib/site-packages/pip/_internal/vcs/git.py
new file mode 100644
index 0000000..8919aa5
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/vcs/git.py
@@ -0,0 +1,506 @@
+import logging
+import os.path
+import pathlib
+import re
+import urllib.parse
+import urllib.request
+from typing import List, Optional, Tuple
+
+from pip._internal.exceptions import BadCommand, InstallationError
+from pip._internal.utils.misc import HiddenText, display_path, hide_url
+from pip._internal.utils.subprocess import make_command
+from pip._internal.vcs.versioncontrol import (
+ AuthInfo,
+ RemoteNotFoundError,
+ RemoteNotValidError,
+ RevOptions,
+ VersionControl,
+ find_path_to_project_root_from_repo_root,
+ vcs,
+)
+
+urlsplit = urllib.parse.urlsplit
+urlunsplit = urllib.parse.urlunsplit
+
+
+logger = logging.getLogger(__name__)
+
+
+GIT_VERSION_REGEX = re.compile(
+ r"^git version " # Prefix.
+ r"(\d+)" # Major.
+ r"\.(\d+)" # Dot, minor.
+ r"(?:\.(\d+))?" # Optional dot, patch.
+ r".*$" # Suffix, including any pre- and post-release segments we don't care about.
+)
+
+HASH_REGEX = re.compile('^[a-fA-F0-9]{40}$')
+
+# SCP (Secure copy protocol) shorthand. e.g. 'git@example.com:foo/bar.git'
+SCP_REGEX = re.compile(r"""^
+ # Optional user, e.g. 'git@'
+ (\w+@)?
+ # Server, e.g. 'github.com'.
+ ([^/:]+):
+ # The server-side path. e.g. 'user/project.git'. Must start with an
+ # alphanumeric character so as not to be confusable with a Windows paths
+ # like 'C:/foo/bar' or 'C:\foo\bar'.
+ (\w[^:]*)
+$""", re.VERBOSE)
+
+
+def looks_like_hash(sha):
+ # type: (str) -> bool
+ return bool(HASH_REGEX.match(sha))
+
+
+class Git(VersionControl):
+ name = 'git'
+ dirname = '.git'
+ repo_name = 'clone'
+ schemes = (
+ 'git+http', 'git+https', 'git+ssh', 'git+git', 'git+file',
+ )
+ # Prevent the user's environment variables from interfering with pip:
+ # https://github.com/pypa/pip/issues/1130
+ unset_environ = ('GIT_DIR', 'GIT_WORK_TREE')
+ default_arg_rev = 'HEAD'
+
+ @staticmethod
+ def get_base_rev_args(rev):
+ # type: (str) -> List[str]
+ return [rev]
+
+ def is_immutable_rev_checkout(self, url, dest):
+ # type: (str, str) -> bool
+ _, rev_options = self.get_url_rev_options(hide_url(url))
+ if not rev_options.rev:
+ return False
+ if not self.is_commit_id_equal(dest, rev_options.rev):
+ # the current commit is different from rev,
+ # which means rev was something else than a commit hash
+ return False
+ # return False in the rare case rev is both a commit hash
+ # and a tag or a branch; we don't want to cache in that case
+ # because that branch/tag could point to something else in the future
+ is_tag_or_branch = bool(
+ self.get_revision_sha(dest, rev_options.rev)[0]
+ )
+ return not is_tag_or_branch
+
+ def get_git_version(self) -> Tuple[int, ...]:
+ version = self.run_command(
+ ['version'], show_stdout=False, stdout_only=True
+ )
+ match = GIT_VERSION_REGEX.match(version)
+ if not match:
+ return ()
+ return tuple(int(c) for c in match.groups())
+
+ @classmethod
+ def get_current_branch(cls, location):
+ # type: (str) -> Optional[str]
+ """
+ Return the current branch, or None if HEAD isn't at a branch
+ (e.g. detached HEAD).
+ """
+ # git-symbolic-ref exits with empty stdout if "HEAD" is a detached
+ # HEAD rather than a symbolic ref. In addition, the -q causes the
+ # command to exit with status code 1 instead of 128 in this case
+ # and to suppress the message to stderr.
+ args = ['symbolic-ref', '-q', 'HEAD']
+ output = cls.run_command(
+ args,
+ extra_ok_returncodes=(1, ),
+ show_stdout=False,
+ stdout_only=True,
+ cwd=location,
+ )
+ ref = output.strip()
+
+ if ref.startswith('refs/heads/'):
+ return ref[len('refs/heads/'):]
+
+ return None
+
+ @classmethod
+ def get_revision_sha(cls, dest, rev):
+ # type: (str, str) -> Tuple[Optional[str], bool]
+ """
+ Return (sha_or_none, is_branch), where sha_or_none is a commit hash
+ if the revision names a remote branch or tag, otherwise None.
+
+ Args:
+ dest: the repository directory.
+ rev: the revision name.
+ """
+ # Pass rev to pre-filter the list.
+ output = cls.run_command(
+ ['show-ref', rev],
+ cwd=dest,
+ show_stdout=False,
+ stdout_only=True,
+ on_returncode='ignore',
+ )
+ refs = {}
+ # NOTE: We do not use splitlines here since that would split on other
+ # unicode separators, which can be maliciously used to install a
+ # different revision.
+ for line in output.strip().split("\n"):
+ line = line.rstrip("\r")
+ if not line:
+ continue
+ try:
+ ref_sha, ref_name = line.split(" ", maxsplit=2)
+ except ValueError:
+ # Include the offending line to simplify troubleshooting if
+ # this error ever occurs.
+ raise ValueError(f'unexpected show-ref line: {line!r}')
+
+ refs[ref_name] = ref_sha
+
+ branch_ref = f'refs/remotes/origin/{rev}'
+ tag_ref = f'refs/tags/{rev}'
+
+ sha = refs.get(branch_ref)
+ if sha is not None:
+ return (sha, True)
+
+ sha = refs.get(tag_ref)
+
+ return (sha, False)
+
+ @classmethod
+ def _should_fetch(cls, dest, rev):
+ # type: (str, str) -> bool
+ """
+ Return true if rev is a ref or is a commit that we don't have locally.
+
+ Branches and tags are not considered in this method because they are
+ assumed to be always available locally (which is a normal outcome of
+ ``git clone`` and ``git fetch --tags``).
+ """
+ if rev.startswith("refs/"):
+ # Always fetch remote refs.
+ return True
+
+ if not looks_like_hash(rev):
+ # Git fetch would fail with abbreviated commits.
+ return False
+
+ if cls.has_commit(dest, rev):
+ # Don't fetch if we have the commit locally.
+ return False
+
+ return True
+
+ @classmethod
+ def resolve_revision(cls, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> RevOptions
+ """
+ Resolve a revision to a new RevOptions object with the SHA1 of the
+ branch, tag, or ref if found.
+
+ Args:
+ rev_options: a RevOptions object.
+ """
+ rev = rev_options.arg_rev
+ # The arg_rev property's implementation for Git ensures that the
+ # rev return value is always non-None.
+ assert rev is not None
+
+ sha, is_branch = cls.get_revision_sha(dest, rev)
+
+ if sha is not None:
+ rev_options = rev_options.make_new(sha)
+ rev_options.branch_name = rev if is_branch else None
+
+ return rev_options
+
+ # Do not show a warning for the common case of something that has
+ # the form of a Git commit hash.
+ if not looks_like_hash(rev):
+ logger.warning(
+ "Did not find branch or tag '%s', assuming revision or ref.",
+ rev,
+ )
+
+ if not cls._should_fetch(dest, rev):
+ return rev_options
+
+ # fetch the requested revision
+ cls.run_command(
+ make_command('fetch', '-q', url, rev_options.to_args()),
+ cwd=dest,
+ )
+ # Change the revision to the SHA of the ref we fetched
+ sha = cls.get_revision(dest, rev='FETCH_HEAD')
+ rev_options = rev_options.make_new(sha)
+
+ return rev_options
+
+ @classmethod
+ def is_commit_id_equal(cls, dest, name):
+ # type: (str, Optional[str]) -> bool
+ """
+ Return whether the current commit hash equals the given name.
+
+ Args:
+ dest: the repository directory.
+ name: a string name.
+ """
+ if not name:
+ # Then avoid an unnecessary subprocess call.
+ return False
+
+ return cls.get_revision(dest) == name
+
+ def fetch_new(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ rev_display = rev_options.to_display()
+ logger.info('Cloning %s%s to %s', url, rev_display, display_path(dest))
+ self.run_command(make_command('clone', '-q', url, dest))
+
+ if rev_options.rev:
+ # Then a specific revision was requested.
+ rev_options = self.resolve_revision(dest, url, rev_options)
+ branch_name = getattr(rev_options, 'branch_name', None)
+ if branch_name is None:
+ # Only do a checkout if the current commit id doesn't match
+ # the requested revision.
+ if not self.is_commit_id_equal(dest, rev_options.rev):
+ cmd_args = make_command(
+ 'checkout', '-q', rev_options.to_args(),
+ )
+ self.run_command(cmd_args, cwd=dest)
+ elif self.get_current_branch(dest) != branch_name:
+ # Then a specific branch was requested, and that branch
+ # is not yet checked out.
+ track_branch = f'origin/{branch_name}'
+ cmd_args = [
+ 'checkout', '-b', branch_name, '--track', track_branch,
+ ]
+ self.run_command(cmd_args, cwd=dest)
+ else:
+ sha = self.get_revision(dest)
+ rev_options = rev_options.make_new(sha)
+
+ logger.info("Resolved %s to commit %s", url, rev_options.rev)
+
+ #: repo may contain submodules
+ self.update_submodules(dest)
+
+ def switch(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ self.run_command(
+ make_command('config', 'remote.origin.url', url),
+ cwd=dest,
+ )
+ cmd_args = make_command('checkout', '-q', rev_options.to_args())
+ self.run_command(cmd_args, cwd=dest)
+
+ self.update_submodules(dest)
+
+ def update(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ # First fetch changes from the default remote
+ if self.get_git_version() >= (1, 9):
+ # fetch tags in addition to everything else
+ self.run_command(['fetch', '-q', '--tags'], cwd=dest)
+ else:
+ self.run_command(['fetch', '-q'], cwd=dest)
+ # Then reset to wanted revision (maybe even origin/master)
+ rev_options = self.resolve_revision(dest, url, rev_options)
+ cmd_args = make_command('reset', '--hard', '-q', rev_options.to_args())
+ self.run_command(cmd_args, cwd=dest)
+ #: update submodules
+ self.update_submodules(dest)
+
+ @classmethod
+ def get_remote_url(cls, location):
+ # type: (str) -> str
+ """
+ Return URL of the first remote encountered.
+
+ Raises RemoteNotFoundError if the repository does not have a remote
+ url configured.
+ """
+ # We need to pass 1 for extra_ok_returncodes since the command
+ # exits with return code 1 if there are no matching lines.
+ stdout = cls.run_command(
+ ['config', '--get-regexp', r'remote\..*\.url'],
+ extra_ok_returncodes=(1, ),
+ show_stdout=False,
+ stdout_only=True,
+ cwd=location,
+ )
+ remotes = stdout.splitlines()
+ try:
+ found_remote = remotes[0]
+ except IndexError:
+ raise RemoteNotFoundError
+
+ for remote in remotes:
+ if remote.startswith('remote.origin.url '):
+ found_remote = remote
+ break
+ url = found_remote.split(' ')[1]
+ return cls._git_remote_to_pip_url(url.strip())
+
+ @staticmethod
+ def _git_remote_to_pip_url(url):
+ # type: (str) -> str
+ """
+ Convert a remote url from what git uses to what pip accepts.
+
+ There are 3 legal forms **url** may take:
+
+ 1. A fully qualified url: ssh://git@example.com/foo/bar.git
+ 2. A local project.git folder: /path/to/bare/repository.git
+ 3. SCP shorthand for form 1: git@example.com:foo/bar.git
+
+ Form 1 is output as-is. Form 2 must be converted to URI and form 3 must
+ be converted to form 1.
+
+ See the corresponding test test_git_remote_url_to_pip() for examples of
+ sample inputs/outputs.
+ """
+ if re.match(r"\w+://", url):
+ # This is already valid. Pass it though as-is.
+ return url
+ if os.path.exists(url):
+ # A local bare remote (git clone --mirror).
+ # Needs a file:// prefix.
+ return pathlib.PurePath(url).as_uri()
+ scp_match = SCP_REGEX.match(url)
+ if scp_match:
+ # Add an ssh:// prefix and replace the ':' with a '/'.
+ return scp_match.expand(r"ssh://\1\2/\3")
+ # Otherwise, bail out.
+ raise RemoteNotValidError(url)
+
+ @classmethod
+ def has_commit(cls, location, rev):
+ # type: (str, str) -> bool
+ """
+ Check if rev is a commit that is available in the local repository.
+ """
+ try:
+ cls.run_command(
+ ['rev-parse', '-q', '--verify', "sha^" + rev],
+ cwd=location,
+ log_failed_cmd=False,
+ )
+ except InstallationError:
+ return False
+ else:
+ return True
+
+ @classmethod
+ def get_revision(cls, location, rev=None):
+ # type: (str, Optional[str]) -> str
+ if rev is None:
+ rev = 'HEAD'
+ current_rev = cls.run_command(
+ ['rev-parse', rev],
+ show_stdout=False,
+ stdout_only=True,
+ cwd=location,
+ )
+ return current_rev.strip()
+
+ @classmethod
+ def get_subdirectory(cls, location):
+ # type: (str) -> Optional[str]
+ """
+ Return the path to Python project root, relative to the repo root.
+ Return None if the project root is in the repo root.
+ """
+ # find the repo root
+ git_dir = cls.run_command(
+ ['rev-parse', '--git-dir'],
+ show_stdout=False,
+ stdout_only=True,
+ cwd=location,
+ ).strip()
+ if not os.path.isabs(git_dir):
+ git_dir = os.path.join(location, git_dir)
+ repo_root = os.path.abspath(os.path.join(git_dir, '..'))
+ return find_path_to_project_root_from_repo_root(location, repo_root)
+
+ @classmethod
+ def get_url_rev_and_auth(cls, url):
+ # type: (str) -> Tuple[str, Optional[str], AuthInfo]
+ """
+ Prefixes stub URLs like 'user@hostname:user/repo.git' with 'ssh://'.
+ That's required because although they use SSH they sometimes don't
+ work with a ssh:// scheme (e.g. GitHub). But we need a scheme for
+ parsing. Hence we remove it again afterwards and return it as a stub.
+ """
+ # Works around an apparent Git bug
+ # (see https://article.gmane.org/gmane.comp.version-control.git/146500)
+ scheme, netloc, path, query, fragment = urlsplit(url)
+ if scheme.endswith('file'):
+ initial_slashes = path[:-len(path.lstrip('/'))]
+ newpath = (
+ initial_slashes +
+ urllib.request.url2pathname(path)
+ .replace('\\', '/').lstrip('/')
+ )
+ after_plus = scheme.find('+') + 1
+ url = scheme[:after_plus] + urlunsplit(
+ (scheme[after_plus:], netloc, newpath, query, fragment),
+ )
+
+ if '://' not in url:
+ assert 'file:' not in url
+ url = url.replace('git+', 'git+ssh://')
+ url, rev, user_pass = super().get_url_rev_and_auth(url)
+ url = url.replace('ssh://', '')
+ else:
+ url, rev, user_pass = super().get_url_rev_and_auth(url)
+
+ return url, rev, user_pass
+
+ @classmethod
+ def update_submodules(cls, location):
+ # type: (str) -> None
+ if not os.path.exists(os.path.join(location, '.gitmodules')):
+ return
+ cls.run_command(
+ ['submodule', 'update', '--init', '--recursive', '-q'],
+ cwd=location,
+ )
+
+ @classmethod
+ def get_repository_root(cls, location):
+ # type: (str) -> Optional[str]
+ loc = super().get_repository_root(location)
+ if loc:
+ return loc
+ try:
+ r = cls.run_command(
+ ['rev-parse', '--show-toplevel'],
+ cwd=location,
+ show_stdout=False,
+ stdout_only=True,
+ on_returncode='raise',
+ log_failed_cmd=False,
+ )
+ except BadCommand:
+ logger.debug("could not determine if %s is under git control "
+ "because git is not available", location)
+ return None
+ except InstallationError:
+ return None
+ return os.path.normpath(r.rstrip('\r\n'))
+
+ @staticmethod
+ def should_add_vcs_url_prefix(repo_url):
+ # type: (str) -> bool
+ """In either https or ssh form, requirements must be prefixed with git+.
+ """
+ return True
+
+
+vcs.register(Git)
diff --git a/Scripts/Lib/site-packages/pip/_internal/vcs/mercurial.py b/Scripts/Lib/site-packages/pip/_internal/vcs/mercurial.py
new file mode 100644
index 0000000..8f8b09b
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/vcs/mercurial.py
@@ -0,0 +1,158 @@
+import configparser
+import logging
+import os
+from typing import List, Optional
+
+from pip._internal.exceptions import BadCommand, InstallationError
+from pip._internal.utils.misc import HiddenText, display_path
+from pip._internal.utils.subprocess import make_command
+from pip._internal.utils.urls import path_to_url
+from pip._internal.vcs.versioncontrol import (
+ RevOptions,
+ VersionControl,
+ find_path_to_project_root_from_repo_root,
+ vcs,
+)
+
+logger = logging.getLogger(__name__)
+
+
+class Mercurial(VersionControl):
+ name = 'hg'
+ dirname = '.hg'
+ repo_name = 'clone'
+ schemes = (
+ 'hg+file', 'hg+http', 'hg+https', 'hg+ssh', 'hg+static-http',
+ )
+
+ @staticmethod
+ def get_base_rev_args(rev):
+ # type: (str) -> List[str]
+ return [rev]
+
+ def fetch_new(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ rev_display = rev_options.to_display()
+ logger.info(
+ 'Cloning hg %s%s to %s',
+ url,
+ rev_display,
+ display_path(dest),
+ )
+ self.run_command(make_command('clone', '--noupdate', '-q', url, dest))
+ self.run_command(
+ make_command('update', '-q', rev_options.to_args()),
+ cwd=dest,
+ )
+
+ def switch(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ repo_config = os.path.join(dest, self.dirname, 'hgrc')
+ config = configparser.RawConfigParser()
+ try:
+ config.read(repo_config)
+ config.set('paths', 'default', url.secret)
+ with open(repo_config, 'w') as config_file:
+ config.write(config_file)
+ except (OSError, configparser.NoSectionError) as exc:
+ logger.warning(
+ 'Could not switch Mercurial repository to %s: %s', url, exc,
+ )
+ else:
+ cmd_args = make_command('update', '-q', rev_options.to_args())
+ self.run_command(cmd_args, cwd=dest)
+
+ def update(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ self.run_command(['pull', '-q'], cwd=dest)
+ cmd_args = make_command('update', '-q', rev_options.to_args())
+ self.run_command(cmd_args, cwd=dest)
+
+ @classmethod
+ def get_remote_url(cls, location):
+ # type: (str) -> str
+ url = cls.run_command(
+ ['showconfig', 'paths.default'],
+ show_stdout=False,
+ stdout_only=True,
+ cwd=location,
+ ).strip()
+ if cls._is_local_repository(url):
+ url = path_to_url(url)
+ return url.strip()
+
+ @classmethod
+ def get_revision(cls, location):
+ # type: (str) -> str
+ """
+ Return the repository-local changeset revision number, as an integer.
+ """
+ current_revision = cls.run_command(
+ ['parents', '--template={rev}'],
+ show_stdout=False,
+ stdout_only=True,
+ cwd=location,
+ ).strip()
+ return current_revision
+
+ @classmethod
+ def get_requirement_revision(cls, location):
+ # type: (str) -> str
+ """
+ Return the changeset identification hash, as a 40-character
+ hexadecimal string
+ """
+ current_rev_hash = cls.run_command(
+ ['parents', '--template={node}'],
+ show_stdout=False,
+ stdout_only=True,
+ cwd=location,
+ ).strip()
+ return current_rev_hash
+
+ @classmethod
+ def is_commit_id_equal(cls, dest, name):
+ # type: (str, Optional[str]) -> bool
+ """Always assume the versions don't match"""
+ return False
+
+ @classmethod
+ def get_subdirectory(cls, location):
+ # type: (str) -> Optional[str]
+ """
+ Return the path to Python project root, relative to the repo root.
+ Return None if the project root is in the repo root.
+ """
+ # find the repo root
+ repo_root = cls.run_command(
+ ['root'], show_stdout=False, stdout_only=True, cwd=location
+ ).strip()
+ if not os.path.isabs(repo_root):
+ repo_root = os.path.abspath(os.path.join(location, repo_root))
+ return find_path_to_project_root_from_repo_root(location, repo_root)
+
+ @classmethod
+ def get_repository_root(cls, location):
+ # type: (str) -> Optional[str]
+ loc = super().get_repository_root(location)
+ if loc:
+ return loc
+ try:
+ r = cls.run_command(
+ ['root'],
+ cwd=location,
+ show_stdout=False,
+ stdout_only=True,
+ on_returncode='raise',
+ log_failed_cmd=False,
+ )
+ except BadCommand:
+ logger.debug("could not determine if %s is under hg control "
+ "because hg is not available", location)
+ return None
+ except InstallationError:
+ return None
+ return os.path.normpath(r.rstrip('\r\n'))
+
+
+vcs.register(Mercurial)
diff --git a/Scripts/Lib/site-packages/pip/_internal/vcs/subversion.py b/Scripts/Lib/site-packages/pip/_internal/vcs/subversion.py
new file mode 100644
index 0000000..965e0b4
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/vcs/subversion.py
@@ -0,0 +1,329 @@
+import logging
+import os
+import re
+from typing import List, Optional, Tuple
+
+from pip._internal.utils.misc import (
+ HiddenText,
+ display_path,
+ is_console_interactive,
+ is_installable_dir,
+ split_auth_from_netloc,
+)
+from pip._internal.utils.subprocess import CommandArgs, make_command
+from pip._internal.vcs.versioncontrol import (
+ AuthInfo,
+ RemoteNotFoundError,
+ RevOptions,
+ VersionControl,
+ vcs,
+)
+
+logger = logging.getLogger(__name__)
+
+_svn_xml_url_re = re.compile('url="([^"]+)"')
+_svn_rev_re = re.compile(r'committed-rev="(\d+)"')
+_svn_info_xml_rev_re = re.compile(r'\s*revision="(\d+)"')
+_svn_info_xml_url_re = re.compile(r'(.*) ')
+
+
+class Subversion(VersionControl):
+ name = 'svn'
+ dirname = '.svn'
+ repo_name = 'checkout'
+ schemes = (
+ 'svn+ssh', 'svn+http', 'svn+https', 'svn+svn', 'svn+file'
+ )
+
+ @classmethod
+ def should_add_vcs_url_prefix(cls, remote_url):
+ # type: (str) -> bool
+ return True
+
+ @staticmethod
+ def get_base_rev_args(rev):
+ # type: (str) -> List[str]
+ return ['-r', rev]
+
+ @classmethod
+ def get_revision(cls, location):
+ # type: (str) -> str
+ """
+ Return the maximum revision for all files under a given location
+ """
+ # Note: taken from setuptools.command.egg_info
+ revision = 0
+
+ for base, dirs, _ in os.walk(location):
+ if cls.dirname not in dirs:
+ dirs[:] = []
+ continue # no sense walking uncontrolled subdirs
+ dirs.remove(cls.dirname)
+ entries_fn = os.path.join(base, cls.dirname, 'entries')
+ if not os.path.exists(entries_fn):
+ # FIXME: should we warn?
+ continue
+
+ dirurl, localrev = cls._get_svn_url_rev(base)
+
+ if base == location:
+ assert dirurl is not None
+ base = dirurl + '/' # save the root url
+ elif not dirurl or not dirurl.startswith(base):
+ dirs[:] = []
+ continue # not part of the same svn tree, skip it
+ revision = max(revision, localrev)
+ return str(revision)
+
+ @classmethod
+ def get_netloc_and_auth(cls, netloc, scheme):
+ # type: (str, str) -> Tuple[str, Tuple[Optional[str], Optional[str]]]
+ """
+ This override allows the auth information to be passed to svn via the
+ --username and --password options instead of via the URL.
+ """
+ if scheme == 'ssh':
+ # The --username and --password options can't be used for
+ # svn+ssh URLs, so keep the auth information in the URL.
+ return super().get_netloc_and_auth(netloc, scheme)
+
+ return split_auth_from_netloc(netloc)
+
+ @classmethod
+ def get_url_rev_and_auth(cls, url):
+ # type: (str) -> Tuple[str, Optional[str], AuthInfo]
+ # hotfix the URL scheme after removing svn+ from svn+ssh:// readd it
+ url, rev, user_pass = super().get_url_rev_and_auth(url)
+ if url.startswith('ssh://'):
+ url = 'svn+' + url
+ return url, rev, user_pass
+
+ @staticmethod
+ def make_rev_args(username, password):
+ # type: (Optional[str], Optional[HiddenText]) -> CommandArgs
+ extra_args = [] # type: CommandArgs
+ if username:
+ extra_args += ['--username', username]
+ if password:
+ extra_args += ['--password', password]
+
+ return extra_args
+
+ @classmethod
+ def get_remote_url(cls, location):
+ # type: (str) -> str
+ # In cases where the source is in a subdirectory, we have to look up in
+ # the location until we find a valid project root.
+ orig_location = location
+ while not is_installable_dir(location):
+ last_location = location
+ location = os.path.dirname(location)
+ if location == last_location:
+ # We've traversed up to the root of the filesystem without
+ # finding a Python project.
+ logger.warning(
+ "Could not find Python project for directory %s (tried all "
+ "parent directories)",
+ orig_location,
+ )
+ raise RemoteNotFoundError
+
+ url, _rev = cls._get_svn_url_rev(location)
+ if url is None:
+ raise RemoteNotFoundError
+
+ return url
+
+ @classmethod
+ def _get_svn_url_rev(cls, location):
+ # type: (str) -> Tuple[Optional[str], int]
+ from pip._internal.exceptions import InstallationError
+
+ entries_path = os.path.join(location, cls.dirname, 'entries')
+ if os.path.exists(entries_path):
+ with open(entries_path) as f:
+ data = f.read()
+ else: # subversion >= 1.7 does not have the 'entries' file
+ data = ''
+
+ url = None
+ if (data.startswith('8') or
+ data.startswith('9') or
+ data.startswith('10')):
+ entries = list(map(str.splitlines, data.split('\n\x0c\n')))
+ del entries[0][0] # get rid of the '8'
+ url = entries[0][3]
+ revs = [int(d[9]) for d in entries if len(d) > 9 and d[9]] + [0]
+ elif data.startswith('= 1.7
+ # Note that using get_remote_call_options is not necessary here
+ # because `svn info` is being run against a local directory.
+ # We don't need to worry about making sure interactive mode
+ # is being used to prompt for passwords, because passwords
+ # are only potentially needed for remote server requests.
+ xml = cls.run_command(
+ ['info', '--xml', location],
+ show_stdout=False,
+ stdout_only=True,
+ )
+ match = _svn_info_xml_url_re.search(xml)
+ assert match is not None
+ url = match.group(1)
+ revs = [
+ int(m.group(1)) for m in _svn_info_xml_rev_re.finditer(xml)
+ ]
+ except InstallationError:
+ url, revs = None, []
+
+ if revs:
+ rev = max(revs)
+ else:
+ rev = 0
+
+ return url, rev
+
+ @classmethod
+ def is_commit_id_equal(cls, dest, name):
+ # type: (str, Optional[str]) -> bool
+ """Always assume the versions don't match"""
+ return False
+
+ def __init__(self, use_interactive=None):
+ # type: (bool) -> None
+ if use_interactive is None:
+ use_interactive = is_console_interactive()
+ self.use_interactive = use_interactive
+
+ # This member is used to cache the fetched version of the current
+ # ``svn`` client.
+ # Special value definitions:
+ # None: Not evaluated yet.
+ # Empty tuple: Could not parse version.
+ self._vcs_version = None # type: Optional[Tuple[int, ...]]
+
+ super().__init__()
+
+ def call_vcs_version(self):
+ # type: () -> Tuple[int, ...]
+ """Query the version of the currently installed Subversion client.
+
+ :return: A tuple containing the parts of the version information or
+ ``()`` if the version returned from ``svn`` could not be parsed.
+ :raises: BadCommand: If ``svn`` is not installed.
+ """
+ # Example versions:
+ # svn, version 1.10.3 (r1842928)
+ # compiled Feb 25 2019, 14:20:39 on x86_64-apple-darwin17.0.0
+ # svn, version 1.7.14 (r1542130)
+ # compiled Mar 28 2018, 08:49:13 on x86_64-pc-linux-gnu
+ # svn, version 1.12.0-SlikSvn (SlikSvn/1.12.0)
+ # compiled May 28 2019, 13:44:56 on x86_64-microsoft-windows6.2
+ version_prefix = 'svn, version '
+ version = self.run_command(
+ ['--version'], show_stdout=False, stdout_only=True
+ )
+ if not version.startswith(version_prefix):
+ return ()
+
+ version = version[len(version_prefix):].split()[0]
+ version_list = version.partition('-')[0].split('.')
+ try:
+ parsed_version = tuple(map(int, version_list))
+ except ValueError:
+ return ()
+
+ return parsed_version
+
+ def get_vcs_version(self):
+ # type: () -> Tuple[int, ...]
+ """Return the version of the currently installed Subversion client.
+
+ If the version of the Subversion client has already been queried,
+ a cached value will be used.
+
+ :return: A tuple containing the parts of the version information or
+ ``()`` if the version returned from ``svn`` could not be parsed.
+ :raises: BadCommand: If ``svn`` is not installed.
+ """
+ if self._vcs_version is not None:
+ # Use cached version, if available.
+ # If parsing the version failed previously (empty tuple),
+ # do not attempt to parse it again.
+ return self._vcs_version
+
+ vcs_version = self.call_vcs_version()
+ self._vcs_version = vcs_version
+ return vcs_version
+
+ def get_remote_call_options(self):
+ # type: () -> CommandArgs
+ """Return options to be used on calls to Subversion that contact the server.
+
+ These options are applicable for the following ``svn`` subcommands used
+ in this class.
+
+ - checkout
+ - switch
+ - update
+
+ :return: A list of command line arguments to pass to ``svn``.
+ """
+ if not self.use_interactive:
+ # --non-interactive switch is available since Subversion 0.14.4.
+ # Subversion < 1.8 runs in interactive mode by default.
+ return ['--non-interactive']
+
+ svn_version = self.get_vcs_version()
+ # By default, Subversion >= 1.8 runs in non-interactive mode if
+ # stdin is not a TTY. Since that is how pip invokes SVN, in
+ # call_subprocess(), pip must pass --force-interactive to ensure
+ # the user can be prompted for a password, if required.
+ # SVN added the --force-interactive option in SVN 1.8. Since
+ # e.g. RHEL/CentOS 7, which is supported until 2024, ships with
+ # SVN 1.7, pip should continue to support SVN 1.7. Therefore, pip
+ # can't safely add the option if the SVN version is < 1.8 (or unknown).
+ if svn_version >= (1, 8):
+ return ['--force-interactive']
+
+ return []
+
+ def fetch_new(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ rev_display = rev_options.to_display()
+ logger.info(
+ 'Checking out %s%s to %s',
+ url,
+ rev_display,
+ display_path(dest),
+ )
+ cmd_args = make_command(
+ 'checkout', '-q', self.get_remote_call_options(),
+ rev_options.to_args(), url, dest,
+ )
+ self.run_command(cmd_args)
+
+ def switch(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ cmd_args = make_command(
+ 'switch', self.get_remote_call_options(), rev_options.to_args(),
+ url, dest,
+ )
+ self.run_command(cmd_args)
+
+ def update(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ cmd_args = make_command(
+ 'update', self.get_remote_call_options(), rev_options.to_args(),
+ dest,
+ )
+ self.run_command(cmd_args)
+
+
+vcs.register(Subversion)
diff --git a/Scripts/Lib/site-packages/pip/_internal/vcs/versioncontrol.py b/Scripts/Lib/site-packages/pip/_internal/vcs/versioncontrol.py
new file mode 100644
index 0000000..cddd78c
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/vcs/versioncontrol.py
@@ -0,0 +1,722 @@
+"""Handles all VCS (version control) support"""
+
+import logging
+import os
+import shutil
+import sys
+import urllib.parse
+from typing import (
+ Any,
+ Dict,
+ Iterable,
+ Iterator,
+ List,
+ Mapping,
+ Optional,
+ Tuple,
+ Type,
+ Union,
+)
+
+from pip._internal.cli.spinners import SpinnerInterface
+from pip._internal.exceptions import BadCommand, InstallationError
+from pip._internal.utils.misc import (
+ HiddenText,
+ ask_path_exists,
+ backup_dir,
+ display_path,
+ hide_url,
+ hide_value,
+ is_installable_dir,
+ rmtree,
+)
+from pip._internal.utils.subprocess import CommandArgs, call_subprocess, make_command
+from pip._internal.utils.urls import get_url_scheme
+
+__all__ = ['vcs']
+
+
+logger = logging.getLogger(__name__)
+
+AuthInfo = Tuple[Optional[str], Optional[str]]
+
+
+def is_url(name):
+ # type: (str) -> bool
+ """
+ Return true if the name looks like a URL.
+ """
+ scheme = get_url_scheme(name)
+ if scheme is None:
+ return False
+ return scheme in ['http', 'https', 'file', 'ftp'] + vcs.all_schemes
+
+
+def make_vcs_requirement_url(repo_url, rev, project_name, subdir=None):
+ # type: (str, str, str, Optional[str]) -> str
+ """
+ Return the URL for a VCS requirement.
+
+ Args:
+ repo_url: the remote VCS url, with any needed VCS prefix (e.g. "git+").
+ project_name: the (unescaped) project name.
+ """
+ egg_project_name = project_name.replace("-", "_")
+ req = f'{repo_url}@{rev}#egg={egg_project_name}'
+ if subdir:
+ req += f'&subdirectory={subdir}'
+
+ return req
+
+
+def find_path_to_project_root_from_repo_root(location, repo_root):
+ # type: (str, str) -> Optional[str]
+ """
+ Find the the Python project's root by searching up the filesystem from
+ `location`. Return the path to project root relative to `repo_root`.
+ Return None if the project root is `repo_root`, or cannot be found.
+ """
+ # find project root.
+ orig_location = location
+ while not is_installable_dir(location):
+ last_location = location
+ location = os.path.dirname(location)
+ if location == last_location:
+ # We've traversed up to the root of the filesystem without
+ # finding a Python project.
+ logger.warning(
+ "Could not find a Python project for directory %s (tried all "
+ "parent directories)",
+ orig_location,
+ )
+ return None
+
+ if os.path.samefile(repo_root, location):
+ return None
+
+ return os.path.relpath(location, repo_root)
+
+
+class RemoteNotFoundError(Exception):
+ pass
+
+
+class RemoteNotValidError(Exception):
+ def __init__(self, url: str):
+ super().__init__(url)
+ self.url = url
+
+
+class RevOptions:
+
+ """
+ Encapsulates a VCS-specific revision to install, along with any VCS
+ install options.
+
+ Instances of this class should be treated as if immutable.
+ """
+
+ def __init__(
+ self,
+ vc_class, # type: Type[VersionControl]
+ rev=None, # type: Optional[str]
+ extra_args=None, # type: Optional[CommandArgs]
+ ):
+ # type: (...) -> None
+ """
+ Args:
+ vc_class: a VersionControl subclass.
+ rev: the name of the revision to install.
+ extra_args: a list of extra options.
+ """
+ if extra_args is None:
+ extra_args = []
+
+ self.extra_args = extra_args
+ self.rev = rev
+ self.vc_class = vc_class
+ self.branch_name = None # type: Optional[str]
+
+ def __repr__(self):
+ # type: () -> str
+ return f''
+
+ @property
+ def arg_rev(self):
+ # type: () -> Optional[str]
+ if self.rev is None:
+ return self.vc_class.default_arg_rev
+
+ return self.rev
+
+ def to_args(self):
+ # type: () -> CommandArgs
+ """
+ Return the VCS-specific command arguments.
+ """
+ args = [] # type: CommandArgs
+ rev = self.arg_rev
+ if rev is not None:
+ args += self.vc_class.get_base_rev_args(rev)
+ args += self.extra_args
+
+ return args
+
+ def to_display(self):
+ # type: () -> str
+ if not self.rev:
+ return ''
+
+ return f' (to revision {self.rev})'
+
+ def make_new(self, rev):
+ # type: (str) -> RevOptions
+ """
+ Make a copy of the current instance, but with a new rev.
+
+ Args:
+ rev: the name of the revision for the new object.
+ """
+ return self.vc_class.make_rev_options(rev, extra_args=self.extra_args)
+
+
+class VcsSupport:
+ _registry = {} # type: Dict[str, VersionControl]
+ schemes = ['ssh', 'git', 'hg', 'bzr', 'sftp', 'svn']
+
+ def __init__(self):
+ # type: () -> None
+ # Register more schemes with urlparse for various version control
+ # systems
+ urllib.parse.uses_netloc.extend(self.schemes)
+ super().__init__()
+
+ def __iter__(self):
+ # type: () -> Iterator[str]
+ return self._registry.__iter__()
+
+ @property
+ def backends(self):
+ # type: () -> List[VersionControl]
+ return list(self._registry.values())
+
+ @property
+ def dirnames(self):
+ # type: () -> List[str]
+ return [backend.dirname for backend in self.backends]
+
+ @property
+ def all_schemes(self):
+ # type: () -> List[str]
+ schemes = [] # type: List[str]
+ for backend in self.backends:
+ schemes.extend(backend.schemes)
+ return schemes
+
+ def register(self, cls):
+ # type: (Type[VersionControl]) -> None
+ if not hasattr(cls, 'name'):
+ logger.warning('Cannot register VCS %s', cls.__name__)
+ return
+ if cls.name not in self._registry:
+ self._registry[cls.name] = cls()
+ logger.debug('Registered VCS backend: %s', cls.name)
+
+ def unregister(self, name):
+ # type: (str) -> None
+ if name in self._registry:
+ del self._registry[name]
+
+ def get_backend_for_dir(self, location):
+ # type: (str) -> Optional[VersionControl]
+ """
+ Return a VersionControl object if a repository of that type is found
+ at the given directory.
+ """
+ vcs_backends = {}
+ for vcs_backend in self._registry.values():
+ repo_path = vcs_backend.get_repository_root(location)
+ if not repo_path:
+ continue
+ logger.debug('Determine that %s uses VCS: %s',
+ location, vcs_backend.name)
+ vcs_backends[repo_path] = vcs_backend
+
+ if not vcs_backends:
+ return None
+
+ # Choose the VCS in the inner-most directory. Since all repository
+ # roots found here would be either `location` or one of its
+ # parents, the longest path should have the most path components,
+ # i.e. the backend representing the inner-most repository.
+ inner_most_repo_path = max(vcs_backends, key=len)
+ return vcs_backends[inner_most_repo_path]
+
+ def get_backend_for_scheme(self, scheme):
+ # type: (str) -> Optional[VersionControl]
+ """
+ Return a VersionControl object or None.
+ """
+ for vcs_backend in self._registry.values():
+ if scheme in vcs_backend.schemes:
+ return vcs_backend
+ return None
+
+ def get_backend(self, name):
+ # type: (str) -> Optional[VersionControl]
+ """
+ Return a VersionControl object or None.
+ """
+ name = name.lower()
+ return self._registry.get(name)
+
+
+vcs = VcsSupport()
+
+
+class VersionControl:
+ name = ''
+ dirname = ''
+ repo_name = ''
+ # List of supported schemes for this Version Control
+ schemes = () # type: Tuple[str, ...]
+ # Iterable of environment variable names to pass to call_subprocess().
+ unset_environ = () # type: Tuple[str, ...]
+ default_arg_rev = None # type: Optional[str]
+
+ @classmethod
+ def should_add_vcs_url_prefix(cls, remote_url):
+ # type: (str) -> bool
+ """
+ Return whether the vcs prefix (e.g. "git+") should be added to a
+ repository's remote url when used in a requirement.
+ """
+ return not remote_url.lower().startswith(f'{cls.name}:')
+
+ @classmethod
+ def get_subdirectory(cls, location):
+ # type: (str) -> Optional[str]
+ """
+ Return the path to Python project root, relative to the repo root.
+ Return None if the project root is in the repo root.
+ """
+ return None
+
+ @classmethod
+ def get_requirement_revision(cls, repo_dir):
+ # type: (str) -> str
+ """
+ Return the revision string that should be used in a requirement.
+ """
+ return cls.get_revision(repo_dir)
+
+ @classmethod
+ def get_src_requirement(cls, repo_dir, project_name):
+ # type: (str, str) -> str
+ """
+ Return the requirement string to use to redownload the files
+ currently at the given repository directory.
+
+ Args:
+ project_name: the (unescaped) project name.
+
+ The return value has a form similar to the following:
+
+ {repository_url}@{revision}#egg={project_name}
+ """
+ repo_url = cls.get_remote_url(repo_dir)
+
+ if cls.should_add_vcs_url_prefix(repo_url):
+ repo_url = f'{cls.name}+{repo_url}'
+
+ revision = cls.get_requirement_revision(repo_dir)
+ subdir = cls.get_subdirectory(repo_dir)
+ req = make_vcs_requirement_url(repo_url, revision, project_name,
+ subdir=subdir)
+
+ return req
+
+ @staticmethod
+ def get_base_rev_args(rev):
+ # type: (str) -> List[str]
+ """
+ Return the base revision arguments for a vcs command.
+
+ Args:
+ rev: the name of a revision to install. Cannot be None.
+ """
+ raise NotImplementedError
+
+ def is_immutable_rev_checkout(self, url, dest):
+ # type: (str, str) -> bool
+ """
+ Return true if the commit hash checked out at dest matches
+ the revision in url.
+
+ Always return False, if the VCS does not support immutable commit
+ hashes.
+
+ This method does not check if there are local uncommitted changes
+ in dest after checkout, as pip currently has no use case for that.
+ """
+ return False
+
+ @classmethod
+ def make_rev_options(cls, rev=None, extra_args=None):
+ # type: (Optional[str], Optional[CommandArgs]) -> RevOptions
+ """
+ Return a RevOptions object.
+
+ Args:
+ rev: the name of a revision to install.
+ extra_args: a list of extra options.
+ """
+ return RevOptions(cls, rev, extra_args=extra_args)
+
+ @classmethod
+ def _is_local_repository(cls, repo):
+ # type: (str) -> bool
+ """
+ posix absolute paths start with os.path.sep,
+ win32 ones start with drive (like c:\\folder)
+ """
+ drive, tail = os.path.splitdrive(repo)
+ return repo.startswith(os.path.sep) or bool(drive)
+
+ @classmethod
+ def get_netloc_and_auth(cls, netloc, scheme):
+ # type: (str, str) -> Tuple[str, Tuple[Optional[str], Optional[str]]]
+ """
+ Parse the repository URL's netloc, and return the new netloc to use
+ along with auth information.
+
+ Args:
+ netloc: the original repository URL netloc.
+ scheme: the repository URL's scheme without the vcs prefix.
+
+ This is mainly for the Subversion class to override, so that auth
+ information can be provided via the --username and --password options
+ instead of through the URL. For other subclasses like Git without
+ such an option, auth information must stay in the URL.
+
+ Returns: (netloc, (username, password)).
+ """
+ return netloc, (None, None)
+
+ @classmethod
+ def get_url_rev_and_auth(cls, url):
+ # type: (str) -> Tuple[str, Optional[str], AuthInfo]
+ """
+ Parse the repository URL to use, and return the URL, revision,
+ and auth info to use.
+
+ Returns: (url, rev, (username, password)).
+ """
+ scheme, netloc, path, query, frag = urllib.parse.urlsplit(url)
+ if '+' not in scheme:
+ raise ValueError(
+ "Sorry, {!r} is a malformed VCS url. "
+ "The format is +://, "
+ "e.g. svn+http://myrepo/svn/MyApp#egg=MyApp".format(url)
+ )
+ # Remove the vcs prefix.
+ scheme = scheme.split('+', 1)[1]
+ netloc, user_pass = cls.get_netloc_and_auth(netloc, scheme)
+ rev = None
+ if '@' in path:
+ path, rev = path.rsplit('@', 1)
+ if not rev:
+ raise InstallationError(
+ "The URL {!r} has an empty revision (after @) "
+ "which is not supported. Include a revision after @ "
+ "or remove @ from the URL.".format(url)
+ )
+ url = urllib.parse.urlunsplit((scheme, netloc, path, query, ''))
+ return url, rev, user_pass
+
+ @staticmethod
+ def make_rev_args(username, password):
+ # type: (Optional[str], Optional[HiddenText]) -> CommandArgs
+ """
+ Return the RevOptions "extra arguments" to use in obtain().
+ """
+ return []
+
+ def get_url_rev_options(self, url):
+ # type: (HiddenText) -> Tuple[HiddenText, RevOptions]
+ """
+ Return the URL and RevOptions object to use in obtain(),
+ as a tuple (url, rev_options).
+ """
+ secret_url, rev, user_pass = self.get_url_rev_and_auth(url.secret)
+ username, secret_password = user_pass
+ password = None # type: Optional[HiddenText]
+ if secret_password is not None:
+ password = hide_value(secret_password)
+ extra_args = self.make_rev_args(username, password)
+ rev_options = self.make_rev_options(rev, extra_args=extra_args)
+
+ return hide_url(secret_url), rev_options
+
+ @staticmethod
+ def normalize_url(url):
+ # type: (str) -> str
+ """
+ Normalize a URL for comparison by unquoting it and removing any
+ trailing slash.
+ """
+ return urllib.parse.unquote(url).rstrip('/')
+
+ @classmethod
+ def compare_urls(cls, url1, url2):
+ # type: (str, str) -> bool
+ """
+ Compare two repo URLs for identity, ignoring incidental differences.
+ """
+ return (cls.normalize_url(url1) == cls.normalize_url(url2))
+
+ def fetch_new(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ """
+ Fetch a revision from a repository, in the case that this is the
+ first fetch from the repository.
+
+ Args:
+ dest: the directory to fetch the repository to.
+ rev_options: a RevOptions object.
+ """
+ raise NotImplementedError
+
+ def switch(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ """
+ Switch the repo at ``dest`` to point to ``URL``.
+
+ Args:
+ rev_options: a RevOptions object.
+ """
+ raise NotImplementedError
+
+ def update(self, dest, url, rev_options):
+ # type: (str, HiddenText, RevOptions) -> None
+ """
+ Update an already-existing repo to the given ``rev_options``.
+
+ Args:
+ rev_options: a RevOptions object.
+ """
+ raise NotImplementedError
+
+ @classmethod
+ def is_commit_id_equal(cls, dest, name):
+ # type: (str, Optional[str]) -> bool
+ """
+ Return whether the id of the current commit equals the given name.
+
+ Args:
+ dest: the repository directory.
+ name: a string name.
+ """
+ raise NotImplementedError
+
+ def obtain(self, dest, url):
+ # type: (str, HiddenText) -> None
+ """
+ Install or update in editable mode the package represented by this
+ VersionControl object.
+
+ :param dest: the repository directory in which to install or update.
+ :param url: the repository URL starting with a vcs prefix.
+ """
+ url, rev_options = self.get_url_rev_options(url)
+
+ if not os.path.exists(dest):
+ self.fetch_new(dest, url, rev_options)
+ return
+
+ rev_display = rev_options.to_display()
+ if self.is_repository_directory(dest):
+ existing_url = self.get_remote_url(dest)
+ if self.compare_urls(existing_url, url.secret):
+ logger.debug(
+ '%s in %s exists, and has correct URL (%s)',
+ self.repo_name.title(),
+ display_path(dest),
+ url,
+ )
+ if not self.is_commit_id_equal(dest, rev_options.rev):
+ logger.info(
+ 'Updating %s %s%s',
+ display_path(dest),
+ self.repo_name,
+ rev_display,
+ )
+ self.update(dest, url, rev_options)
+ else:
+ logger.info('Skipping because already up-to-date.')
+ return
+
+ logger.warning(
+ '%s %s in %s exists with URL %s',
+ self.name,
+ self.repo_name,
+ display_path(dest),
+ existing_url,
+ )
+ prompt = ('(s)witch, (i)gnore, (w)ipe, (b)ackup ',
+ ('s', 'i', 'w', 'b'))
+ else:
+ logger.warning(
+ 'Directory %s already exists, and is not a %s %s.',
+ dest,
+ self.name,
+ self.repo_name,
+ )
+ # https://github.com/python/mypy/issues/1174
+ prompt = ('(i)gnore, (w)ipe, (b)ackup ', # type: ignore
+ ('i', 'w', 'b'))
+
+ logger.warning(
+ 'The plan is to install the %s repository %s',
+ self.name,
+ url,
+ )
+ response = ask_path_exists('What to do? {}'.format(
+ prompt[0]), prompt[1])
+
+ if response == 'a':
+ sys.exit(-1)
+
+ if response == 'w':
+ logger.warning('Deleting %s', display_path(dest))
+ rmtree(dest)
+ self.fetch_new(dest, url, rev_options)
+ return
+
+ if response == 'b':
+ dest_dir = backup_dir(dest)
+ logger.warning(
+ 'Backing up %s to %s', display_path(dest), dest_dir,
+ )
+ shutil.move(dest, dest_dir)
+ self.fetch_new(dest, url, rev_options)
+ return
+
+ # Do nothing if the response is "i".
+ if response == 's':
+ logger.info(
+ 'Switching %s %s to %s%s',
+ self.repo_name,
+ display_path(dest),
+ url,
+ rev_display,
+ )
+ self.switch(dest, url, rev_options)
+
+ def unpack(self, location, url):
+ # type: (str, HiddenText) -> None
+ """
+ Clean up current location and download the url repository
+ (and vcs infos) into location
+
+ :param url: the repository URL starting with a vcs prefix.
+ """
+ if os.path.exists(location):
+ rmtree(location)
+ self.obtain(location, url=url)
+
+ @classmethod
+ def get_remote_url(cls, location):
+ # type: (str) -> str
+ """
+ Return the url used at location
+
+ Raises RemoteNotFoundError if the repository does not have a remote
+ url configured.
+ """
+ raise NotImplementedError
+
+ @classmethod
+ def get_revision(cls, location):
+ # type: (str) -> str
+ """
+ Return the current commit id of the files at the given location.
+ """
+ raise NotImplementedError
+
+ @classmethod
+ def run_command(
+ cls,
+ cmd, # type: Union[List[str], CommandArgs]
+ show_stdout=True, # type: bool
+ cwd=None, # type: Optional[str]
+ on_returncode='raise', # type: str
+ extra_ok_returncodes=None, # type: Optional[Iterable[int]]
+ command_desc=None, # type: Optional[str]
+ extra_environ=None, # type: Optional[Mapping[str, Any]]
+ spinner=None, # type: Optional[SpinnerInterface]
+ log_failed_cmd=True, # type: bool
+ stdout_only=False, # type: bool
+ ):
+ # type: (...) -> str
+ """
+ Run a VCS subcommand
+ This is simply a wrapper around call_subprocess that adds the VCS
+ command name, and checks that the VCS is available
+ """
+ cmd = make_command(cls.name, *cmd)
+ try:
+ return call_subprocess(cmd, show_stdout, cwd,
+ on_returncode=on_returncode,
+ extra_ok_returncodes=extra_ok_returncodes,
+ command_desc=command_desc,
+ extra_environ=extra_environ,
+ unset_environ=cls.unset_environ,
+ spinner=spinner,
+ log_failed_cmd=log_failed_cmd,
+ stdout_only=stdout_only)
+ except FileNotFoundError:
+ # errno.ENOENT = no such file or directory
+ # In other words, the VCS executable isn't available
+ raise BadCommand(
+ f'Cannot find command {cls.name!r} - do you have '
+ f'{cls.name!r} installed and in your PATH?')
+ except PermissionError:
+ # errno.EACCES = Permission denied
+ # This error occurs, for instance, when the command is installed
+ # only for another user. So, the current user don't have
+ # permission to call the other user command.
+ raise BadCommand(
+ f"No permission to execute {cls.name!r} - install it "
+ f"locally, globally (ask admin), or check your PATH. "
+ f"See possible solutions at "
+ f"https://pip.pypa.io/en/latest/reference/pip_freeze/"
+ f"#fixing-permission-denied."
+ )
+
+ @classmethod
+ def is_repository_directory(cls, path):
+ # type: (str) -> bool
+ """
+ Return whether a directory path is a repository directory.
+ """
+ logger.debug('Checking in %s for %s (%s)...',
+ path, cls.dirname, cls.name)
+ return os.path.exists(os.path.join(path, cls.dirname))
+
+ @classmethod
+ def get_repository_root(cls, location):
+ # type: (str) -> Optional[str]
+ """
+ Return the "root" (top-level) directory controlled by the vcs,
+ or `None` if the directory is not in any.
+
+ It is meant to be overridden to implement smarter detection
+ mechanisms for specific vcs.
+
+ This can do more than is_repository_directory() alone. For
+ example, the Git override checks that Git is actually available.
+ """
+ if cls.is_repository_directory(location):
+ return location
+ return None
diff --git a/Scripts/Lib/site-packages/pip/_internal/wheel_builder.py b/Scripts/Lib/site-packages/pip/_internal/wheel_builder.py
new file mode 100644
index 0000000..92f172b
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_internal/wheel_builder.py
@@ -0,0 +1,360 @@
+"""Orchestrator for building wheels from InstallRequirements.
+"""
+
+import logging
+import os.path
+import re
+import shutil
+from typing import Any, Callable, Iterable, List, Optional, Tuple
+
+from pip._vendor.packaging.utils import canonicalize_name, canonicalize_version
+from pip._vendor.packaging.version import InvalidVersion, Version
+
+from pip._internal.cache import WheelCache
+from pip._internal.exceptions import InvalidWheelFilename, UnsupportedWheel
+from pip._internal.metadata import get_wheel_distribution
+from pip._internal.models.link import Link
+from pip._internal.models.wheel import Wheel
+from pip._internal.operations.build.wheel import build_wheel_pep517
+from pip._internal.operations.build.wheel_legacy import build_wheel_legacy
+from pip._internal.req.req_install import InstallRequirement
+from pip._internal.utils.logging import indent_log
+from pip._internal.utils.misc import ensure_dir, hash_file, is_wheel_installed
+from pip._internal.utils.setuptools_build import make_setuptools_clean_args
+from pip._internal.utils.subprocess import call_subprocess
+from pip._internal.utils.temp_dir import TempDirectory
+from pip._internal.utils.urls import path_to_url
+from pip._internal.vcs import vcs
+
+logger = logging.getLogger(__name__)
+
+_egg_info_re = re.compile(r'([a-z0-9_.]+)-([a-z0-9_.!+-]+)', re.IGNORECASE)
+
+BinaryAllowedPredicate = Callable[[InstallRequirement], bool]
+BuildResult = Tuple[List[InstallRequirement], List[InstallRequirement]]
+
+
+def _contains_egg_info(s):
+ # type: (str) -> bool
+ """Determine whether the string looks like an egg_info.
+
+ :param s: The string to parse. E.g. foo-2.1
+ """
+ return bool(_egg_info_re.search(s))
+
+
+def _should_build(
+ req, # type: InstallRequirement
+ need_wheel, # type: bool
+ check_binary_allowed, # type: BinaryAllowedPredicate
+):
+ # type: (...) -> bool
+ """Return whether an InstallRequirement should be built into a wheel."""
+ if req.constraint:
+ # never build requirements that are merely constraints
+ return False
+ if req.is_wheel:
+ if need_wheel:
+ logger.info(
+ 'Skipping %s, due to already being wheel.', req.name,
+ )
+ return False
+
+ if need_wheel:
+ # i.e. pip wheel, not pip install
+ return True
+
+ # From this point, this concerns the pip install command only
+ # (need_wheel=False).
+
+ if req.editable or not req.source_dir:
+ return False
+
+ if req.use_pep517:
+ return True
+
+ if not check_binary_allowed(req):
+ logger.info(
+ "Skipping wheel build for %s, due to binaries "
+ "being disabled for it.", req.name,
+ )
+ return False
+
+ if not is_wheel_installed():
+ # we don't build legacy requirements if wheel is not installed
+ logger.info(
+ "Using legacy 'setup.py install' for %s, "
+ "since package 'wheel' is not installed.", req.name,
+ )
+ return False
+
+ return True
+
+
+def should_build_for_wheel_command(
+ req, # type: InstallRequirement
+):
+ # type: (...) -> bool
+ return _should_build(
+ req, need_wheel=True, check_binary_allowed=_always_true
+ )
+
+
+def should_build_for_install_command(
+ req, # type: InstallRequirement
+ check_binary_allowed, # type: BinaryAllowedPredicate
+):
+ # type: (...) -> bool
+ return _should_build(
+ req, need_wheel=False, check_binary_allowed=check_binary_allowed
+ )
+
+
+def _should_cache(
+ req, # type: InstallRequirement
+):
+ # type: (...) -> Optional[bool]
+ """
+ Return whether a built InstallRequirement can be stored in the persistent
+ wheel cache, assuming the wheel cache is available, and _should_build()
+ has determined a wheel needs to be built.
+ """
+ if req.editable or not req.source_dir:
+ # never cache editable requirements
+ return False
+
+ if req.link and req.link.is_vcs:
+ # VCS checkout. Do not cache
+ # unless it points to an immutable commit hash.
+ assert not req.editable
+ assert req.source_dir
+ vcs_backend = vcs.get_backend_for_scheme(req.link.scheme)
+ assert vcs_backend
+ if vcs_backend.is_immutable_rev_checkout(req.link.url, req.source_dir):
+ return True
+ return False
+
+ assert req.link
+ base, ext = req.link.splitext()
+ if _contains_egg_info(base):
+ return True
+
+ # Otherwise, do not cache.
+ return False
+
+
+def _get_cache_dir(
+ req, # type: InstallRequirement
+ wheel_cache, # type: WheelCache
+):
+ # type: (...) -> str
+ """Return the persistent or temporary cache directory where the built
+ wheel need to be stored.
+ """
+ cache_available = bool(wheel_cache.cache_dir)
+ assert req.link
+ if cache_available and _should_cache(req):
+ cache_dir = wheel_cache.get_path_for_link(req.link)
+ else:
+ cache_dir = wheel_cache.get_ephem_path_for_link(req.link)
+ return cache_dir
+
+
+def _always_true(_):
+ # type: (Any) -> bool
+ return True
+
+
+def _verify_one(req, wheel_path):
+ # type: (InstallRequirement, str) -> None
+ canonical_name = canonicalize_name(req.name or "")
+ w = Wheel(os.path.basename(wheel_path))
+ if canonicalize_name(w.name) != canonical_name:
+ raise InvalidWheelFilename(
+ "Wheel has unexpected file name: expected {!r}, "
+ "got {!r}".format(canonical_name, w.name),
+ )
+ dist = get_wheel_distribution(wheel_path, canonical_name)
+ dist_verstr = str(dist.version)
+ if canonicalize_version(dist_verstr) != canonicalize_version(w.version):
+ raise InvalidWheelFilename(
+ "Wheel has unexpected file name: expected {!r}, "
+ "got {!r}".format(dist_verstr, w.version),
+ )
+ metadata_version_value = dist.metadata_version
+ if metadata_version_value is None:
+ raise UnsupportedWheel("Missing Metadata-Version")
+ try:
+ metadata_version = Version(metadata_version_value)
+ except InvalidVersion:
+ msg = f"Invalid Metadata-Version: {metadata_version_value}"
+ raise UnsupportedWheel(msg)
+ if (metadata_version >= Version("1.2")
+ and not isinstance(dist.version, Version)):
+ raise UnsupportedWheel(
+ "Metadata 1.2 mandates PEP 440 version, "
+ "but {!r} is not".format(dist_verstr)
+ )
+
+
+def _build_one(
+ req, # type: InstallRequirement
+ output_dir, # type: str
+ verify, # type: bool
+ build_options, # type: List[str]
+ global_options, # type: List[str]
+):
+ # type: (...) -> Optional[str]
+ """Build one wheel.
+
+ :return: The filename of the built wheel, or None if the build failed.
+ """
+ try:
+ ensure_dir(output_dir)
+ except OSError as e:
+ logger.warning(
+ "Building wheel for %s failed: %s",
+ req.name, e,
+ )
+ return None
+
+ # Install build deps into temporary directory (PEP 518)
+ with req.build_env:
+ wheel_path = _build_one_inside_env(
+ req, output_dir, build_options, global_options
+ )
+ if wheel_path and verify:
+ try:
+ _verify_one(req, wheel_path)
+ except (InvalidWheelFilename, UnsupportedWheel) as e:
+ logger.warning("Built wheel for %s is invalid: %s", req.name, e)
+ return None
+ return wheel_path
+
+
+def _build_one_inside_env(
+ req, # type: InstallRequirement
+ output_dir, # type: str
+ build_options, # type: List[str]
+ global_options, # type: List[str]
+):
+ # type: (...) -> Optional[str]
+ with TempDirectory(kind="wheel") as temp_dir:
+ assert req.name
+ if req.use_pep517:
+ assert req.metadata_directory
+ assert req.pep517_backend
+ if global_options:
+ logger.warning(
+ 'Ignoring --global-option when building %s using PEP 517', req.name
+ )
+ if build_options:
+ logger.warning(
+ 'Ignoring --build-option when building %s using PEP 517', req.name
+ )
+ wheel_path = build_wheel_pep517(
+ name=req.name,
+ backend=req.pep517_backend,
+ metadata_directory=req.metadata_directory,
+ tempd=temp_dir.path,
+ )
+ else:
+ wheel_path = build_wheel_legacy(
+ name=req.name,
+ setup_py_path=req.setup_py_path,
+ source_dir=req.unpacked_source_directory,
+ global_options=global_options,
+ build_options=build_options,
+ tempd=temp_dir.path,
+ )
+
+ if wheel_path is not None:
+ wheel_name = os.path.basename(wheel_path)
+ dest_path = os.path.join(output_dir, wheel_name)
+ try:
+ wheel_hash, length = hash_file(wheel_path)
+ shutil.move(wheel_path, dest_path)
+ logger.info('Created wheel for %s: '
+ 'filename=%s size=%d sha256=%s',
+ req.name, wheel_name, length,
+ wheel_hash.hexdigest())
+ logger.info('Stored in directory: %s', output_dir)
+ return dest_path
+ except Exception as e:
+ logger.warning(
+ "Building wheel for %s failed: %s",
+ req.name, e,
+ )
+ # Ignore return, we can't do anything else useful.
+ if not req.use_pep517:
+ _clean_one_legacy(req, global_options)
+ return None
+
+
+def _clean_one_legacy(req, global_options):
+ # type: (InstallRequirement, List[str]) -> bool
+ clean_args = make_setuptools_clean_args(
+ req.setup_py_path,
+ global_options=global_options,
+ )
+
+ logger.info('Running setup.py clean for %s', req.name)
+ try:
+ call_subprocess(clean_args, cwd=req.source_dir)
+ return True
+ except Exception:
+ logger.error('Failed cleaning build dir for %s', req.name)
+ return False
+
+
+def build(
+ requirements, # type: Iterable[InstallRequirement]
+ wheel_cache, # type: WheelCache
+ verify, # type: bool
+ build_options, # type: List[str]
+ global_options, # type: List[str]
+):
+ # type: (...) -> BuildResult
+ """Build wheels.
+
+ :return: The list of InstallRequirement that succeeded to build and
+ the list of InstallRequirement that failed to build.
+ """
+ if not requirements:
+ return [], []
+
+ # Build the wheels.
+ logger.info(
+ 'Building wheels for collected packages: %s',
+ ', '.join(req.name for req in requirements), # type: ignore
+ )
+
+ with indent_log():
+ build_successes, build_failures = [], []
+ for req in requirements:
+ cache_dir = _get_cache_dir(req, wheel_cache)
+ wheel_file = _build_one(
+ req, cache_dir, verify, build_options, global_options
+ )
+ if wheel_file:
+ # Update the link for this.
+ req.link = Link(path_to_url(wheel_file))
+ req.local_file_path = req.link.file_path
+ assert req.link.is_wheel
+ build_successes.append(req)
+ else:
+ build_failures.append(req)
+
+ # notify success/failure
+ if build_successes:
+ logger.info(
+ 'Successfully built %s',
+ ' '.join([req.name for req in build_successes]), # type: ignore
+ )
+ if build_failures:
+ logger.info(
+ 'Failed to build %s',
+ ' '.join([req.name for req in build_failures]), # type: ignore
+ )
+ # Return a list of requirements that failed to build
+ return build_successes, build_failures
diff --git a/Scripts/Lib/site-packages/pip/_vendor/__init__.py b/Scripts/Lib/site-packages/pip/_vendor/__init__.py
new file mode 100644
index 0000000..57e32da
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/__init__.py
@@ -0,0 +1,111 @@
+"""
+pip._vendor is for vendoring dependencies of pip to prevent needing pip to
+depend on something external.
+
+Files inside of pip._vendor should be considered immutable and should only be
+updated to versions from upstream.
+"""
+from __future__ import absolute_import
+
+import glob
+import os.path
+import sys
+
+# Downstream redistributors which have debundled our dependencies should also
+# patch this value to be true. This will trigger the additional patching
+# to cause things like "six" to be available as pip.
+DEBUNDLED = False
+
+# By default, look in this directory for a bunch of .whl files which we will
+# add to the beginning of sys.path before attempting to import anything. This
+# is done to support downstream re-distributors like Debian and Fedora who
+# wish to create their own Wheels for our dependencies to aid in debundling.
+WHEEL_DIR = os.path.abspath(os.path.dirname(__file__))
+
+
+# Define a small helper function to alias our vendored modules to the real ones
+# if the vendored ones do not exist. This idea of this was taken from
+# https://github.com/kennethreitz/requests/pull/2567.
+def vendored(modulename):
+ vendored_name = "{0}.{1}".format(__name__, modulename)
+
+ try:
+ __import__(modulename, globals(), locals(), level=0)
+ except ImportError:
+ # We can just silently allow import failures to pass here. If we
+ # got to this point it means that ``import pip._vendor.whatever``
+ # failed and so did ``import whatever``. Since we're importing this
+ # upfront in an attempt to alias imports, not erroring here will
+ # just mean we get a regular import error whenever pip *actually*
+ # tries to import one of these modules to use it, which actually
+ # gives us a better error message than we would have otherwise
+ # gotten.
+ pass
+ else:
+ sys.modules[vendored_name] = sys.modules[modulename]
+ base, head = vendored_name.rsplit(".", 1)
+ setattr(sys.modules[base], head, sys.modules[modulename])
+
+
+# If we're operating in a debundled setup, then we want to go ahead and trigger
+# the aliasing of our vendored libraries as well as looking for wheels to add
+# to our sys.path. This will cause all of this code to be a no-op typically
+# however downstream redistributors can enable it in a consistent way across
+# all platforms.
+if DEBUNDLED:
+ # Actually look inside of WHEEL_DIR to find .whl files and add them to the
+ # front of our sys.path.
+ sys.path[:] = glob.glob(os.path.join(WHEEL_DIR, "*.whl")) + sys.path
+
+ # Actually alias all of our vendored dependencies.
+ vendored("appdirs")
+ vendored("cachecontrol")
+ vendored("certifi")
+ vendored("colorama")
+ vendored("distlib")
+ vendored("distro")
+ vendored("html5lib")
+ vendored("six")
+ vendored("six.moves")
+ vendored("six.moves.urllib")
+ vendored("six.moves.urllib.parse")
+ vendored("packaging")
+ vendored("packaging.version")
+ vendored("packaging.specifiers")
+ vendored("pep517")
+ vendored("pkg_resources")
+ vendored("progress")
+ vendored("requests")
+ vendored("requests.exceptions")
+ vendored("requests.packages")
+ vendored("requests.packages.urllib3")
+ vendored("requests.packages.urllib3._collections")
+ vendored("requests.packages.urllib3.connection")
+ vendored("requests.packages.urllib3.connectionpool")
+ vendored("requests.packages.urllib3.contrib")
+ vendored("requests.packages.urllib3.contrib.ntlmpool")
+ vendored("requests.packages.urllib3.contrib.pyopenssl")
+ vendored("requests.packages.urllib3.exceptions")
+ vendored("requests.packages.urllib3.fields")
+ vendored("requests.packages.urllib3.filepost")
+ vendored("requests.packages.urllib3.packages")
+ vendored("requests.packages.urllib3.packages.ordered_dict")
+ vendored("requests.packages.urllib3.packages.six")
+ vendored("requests.packages.urllib3.packages.ssl_match_hostname")
+ vendored("requests.packages.urllib3.packages.ssl_match_hostname."
+ "_implementation")
+ vendored("requests.packages.urllib3.poolmanager")
+ vendored("requests.packages.urllib3.request")
+ vendored("requests.packages.urllib3.response")
+ vendored("requests.packages.urllib3.util")
+ vendored("requests.packages.urllib3.util.connection")
+ vendored("requests.packages.urllib3.util.request")
+ vendored("requests.packages.urllib3.util.response")
+ vendored("requests.packages.urllib3.util.retry")
+ vendored("requests.packages.urllib3.util.ssl_")
+ vendored("requests.packages.urllib3.util.timeout")
+ vendored("requests.packages.urllib3.util.url")
+ vendored("resolvelib")
+ vendored("tenacity")
+ vendored("tomli")
+ vendored("urllib3")
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diff --git a/Scripts/Lib/site-packages/pip/_vendor/appdirs.py b/Scripts/Lib/site-packages/pip/_vendor/appdirs.py
new file mode 100644
index 0000000..33a3b77
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/appdirs.py
@@ -0,0 +1,633 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# Copyright (c) 2005-2010 ActiveState Software Inc.
+# Copyright (c) 2013 Eddy Petrișor
+
+"""Utilities for determining application-specific dirs.
+
+See for details and usage.
+"""
+# Dev Notes:
+# - MSDN on where to store app data files:
+# http://support.microsoft.com/default.aspx?scid=kb;en-us;310294#XSLTH3194121123120121120120
+# - Mac OS X: http://developer.apple.com/documentation/MacOSX/Conceptual/BPFileSystem/index.html
+# - XDG spec for Un*x: http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
+
+__version__ = "1.4.4"
+__version_info__ = tuple(int(segment) for segment in __version__.split("."))
+
+
+import sys
+import os
+
+PY3 = sys.version_info[0] == 3
+
+if PY3:
+ unicode = str
+
+if sys.platform.startswith('java'):
+ import platform
+ os_name = platform.java_ver()[3][0]
+ if os_name.startswith('Windows'): # "Windows XP", "Windows 7", etc.
+ system = 'win32'
+ elif os_name.startswith('Mac'): # "Mac OS X", etc.
+ system = 'darwin'
+ else: # "Linux", "SunOS", "FreeBSD", etc.
+ # Setting this to "linux2" is not ideal, but only Windows or Mac
+ # are actually checked for and the rest of the module expects
+ # *sys.platform* style strings.
+ system = 'linux2'
+elif sys.platform == 'cli' and os.name == 'nt':
+ # Detect Windows in IronPython to match pip._internal.utils.compat.WINDOWS
+ # Discussion:
+ system = 'win32'
+else:
+ system = sys.platform
+
+
+
+def user_data_dir(appname=None, appauthor=None, version=None, roaming=False):
+ r"""Return full path to the user-specific data dir for this application.
+
+ "appname" is the name of application.
+ If None, just the system directory is returned.
+ "appauthor" (only used on Windows) is the name of the
+ appauthor or distributing body for this application. Typically
+ it is the owning company name. This falls back to appname. You may
+ pass False to disable it.
+ "version" is an optional version path element to append to the
+ path. You might want to use this if you want multiple versions
+ of your app to be able to run independently. If used, this
+ would typically be ".".
+ Only applied when appname is present.
+ "roaming" (boolean, default False) can be set True to use the Windows
+ roaming appdata directory. That means that for users on a Windows
+ network setup for roaming profiles, this user data will be
+ sync'd on login. See
+
+ for a discussion of issues.
+
+ Typical user data directories are:
+ Mac OS X: ~/Library/Application Support/ # or ~/.config/, if the other does not exist
+ Unix: ~/.local/share/ # or in $XDG_DATA_HOME, if defined
+ Win XP (not roaming): C:\Documents and Settings\\Application Data\\
+ Win XP (roaming): C:\Documents and Settings\\Local Settings\Application Data\\
+ Win 7 (not roaming): C:\Users\\AppData\Local\\
+ Win 7 (roaming): C:\Users\\AppData\Roaming\\
+
+ For Unix, we follow the XDG spec and support $XDG_DATA_HOME.
+ That means, by default "~/.local/share/".
+ """
+ if system == "win32":
+ if appauthor is None:
+ appauthor = appname
+ const = roaming and "CSIDL_APPDATA" or "CSIDL_LOCAL_APPDATA"
+ path = os.path.normpath(_get_win_folder(const))
+ if appname:
+ if appauthor is not False:
+ path = os.path.join(path, appauthor, appname)
+ else:
+ path = os.path.join(path, appname)
+ elif system == 'darwin':
+ path = os.path.expanduser('~/Library/Application Support/')
+ if appname:
+ path = os.path.join(path, appname)
+ else:
+ path = os.getenv('XDG_DATA_HOME', os.path.expanduser("~/.local/share"))
+ if appname:
+ path = os.path.join(path, appname)
+ if appname and version:
+ path = os.path.join(path, version)
+ return path
+
+
+def site_data_dir(appname=None, appauthor=None, version=None, multipath=False):
+ r"""Return full path to the user-shared data dir for this application.
+
+ "appname" is the name of application.
+ If None, just the system directory is returned.
+ "appauthor" (only used on Windows) is the name of the
+ appauthor or distributing body for this application. Typically
+ it is the owning company name. This falls back to appname. You may
+ pass False to disable it.
+ "version" is an optional version path element to append to the
+ path. You might want to use this if you want multiple versions
+ of your app to be able to run independently. If used, this
+ would typically be ".".
+ Only applied when appname is present.
+ "multipath" is an optional parameter only applicable to *nix
+ which indicates that the entire list of data dirs should be
+ returned. By default, the first item from XDG_DATA_DIRS is
+ returned, or '/usr/local/share/',
+ if XDG_DATA_DIRS is not set
+
+ Typical site data directories are:
+ Mac OS X: /Library/Application Support/
+ Unix: /usr/local/share/ or /usr/share/
+ Win XP: C:\Documents and Settings\All Users\Application Data\\
+ Vista: (Fail! "C:\ProgramData" is a hidden *system* directory on Vista.)
+ Win 7: C:\ProgramData\\ # Hidden, but writeable on Win 7.
+
+ For Unix, this is using the $XDG_DATA_DIRS[0] default.
+
+ WARNING: Do not use this on Windows. See the Vista-Fail note above for why.
+ """
+ if system == "win32":
+ if appauthor is None:
+ appauthor = appname
+ path = os.path.normpath(_get_win_folder("CSIDL_COMMON_APPDATA"))
+ if appname:
+ if appauthor is not False:
+ path = os.path.join(path, appauthor, appname)
+ else:
+ path = os.path.join(path, appname)
+ elif system == 'darwin':
+ path = os.path.expanduser('/Library/Application Support')
+ if appname:
+ path = os.path.join(path, appname)
+ else:
+ # XDG default for $XDG_DATA_DIRS
+ # only first, if multipath is False
+ path = os.getenv('XDG_DATA_DIRS',
+ os.pathsep.join(['/usr/local/share', '/usr/share']))
+ pathlist = [os.path.expanduser(x.rstrip(os.sep)) for x in path.split(os.pathsep)]
+ if appname:
+ if version:
+ appname = os.path.join(appname, version)
+ pathlist = [os.path.join(x, appname) for x in pathlist]
+
+ if multipath:
+ path = os.pathsep.join(pathlist)
+ else:
+ path = pathlist[0]
+ return path
+
+ if appname and version:
+ path = os.path.join(path, version)
+ return path
+
+
+def user_config_dir(appname=None, appauthor=None, version=None, roaming=False):
+ r"""Return full path to the user-specific config dir for this application.
+
+ "appname" is the name of application.
+ If None, just the system directory is returned.
+ "appauthor" (only used on Windows) is the name of the
+ appauthor or distributing body for this application. Typically
+ it is the owning company name. This falls back to appname. You may
+ pass False to disable it.
+ "version" is an optional version path element to append to the
+ path. You might want to use this if you want multiple versions
+ of your app to be able to run independently. If used, this
+ would typically be ".".
+ Only applied when appname is present.
+ "roaming" (boolean, default False) can be set True to use the Windows
+ roaming appdata directory. That means that for users on a Windows
+ network setup for roaming profiles, this user data will be
+ sync'd on login. See
+
+ for a discussion of issues.
+
+ Typical user config directories are:
+ Mac OS X: same as user_data_dir
+ Unix: ~/.config/ # or in $XDG_CONFIG_HOME, if defined
+ Win *: same as user_data_dir
+
+ For Unix, we follow the XDG spec and support $XDG_CONFIG_HOME.
+ That means, by default "~/.config/".
+ """
+ if system in ["win32", "darwin"]:
+ path = user_data_dir(appname, appauthor, None, roaming)
+ else:
+ path = os.getenv('XDG_CONFIG_HOME', os.path.expanduser("~/.config"))
+ if appname:
+ path = os.path.join(path, appname)
+ if appname and version:
+ path = os.path.join(path, version)
+ return path
+
+
+# for the discussion regarding site_config_dir locations
+# see
+def site_config_dir(appname=None, appauthor=None, version=None, multipath=False):
+ r"""Return full path to the user-shared data dir for this application.
+
+ "appname" is the name of application.
+ If None, just the system directory is returned.
+ "appauthor" (only used on Windows) is the name of the
+ appauthor or distributing body for this application. Typically
+ it is the owning company name. This falls back to appname. You may
+ pass False to disable it.
+ "version" is an optional version path element to append to the
+ path. You might want to use this if you want multiple versions
+ of your app to be able to run independently. If used, this
+ would typically be ".".
+ Only applied when appname is present.
+ "multipath" is an optional parameter only applicable to *nix
+ which indicates that the entire list of config dirs should be
+ returned. By default, the first item from XDG_CONFIG_DIRS is
+ returned, or '/etc/xdg/', if XDG_CONFIG_DIRS is not set
+
+ Typical site config directories are:
+ Mac OS X: same as site_data_dir
+ Unix: /etc/xdg/ or $XDG_CONFIG_DIRS[i]/ for each value in
+ $XDG_CONFIG_DIRS
+ Win *: same as site_data_dir
+ Vista: (Fail! "C:\ProgramData" is a hidden *system* directory on Vista.)
+
+ For Unix, this is using the $XDG_CONFIG_DIRS[0] default, if multipath=False
+
+ WARNING: Do not use this on Windows. See the Vista-Fail note above for why.
+ """
+ if system in ["win32", "darwin"]:
+ path = site_data_dir(appname, appauthor)
+ if appname and version:
+ path = os.path.join(path, version)
+ else:
+ # XDG default for $XDG_CONFIG_DIRS (missing or empty)
+ # see
+ # only first, if multipath is False
+ path = os.getenv('XDG_CONFIG_DIRS') or '/etc/xdg'
+ pathlist = [os.path.expanduser(x.rstrip(os.sep)) for x in path.split(os.pathsep) if x]
+ if appname:
+ if version:
+ appname = os.path.join(appname, version)
+ pathlist = [os.path.join(x, appname) for x in pathlist]
+
+ if multipath:
+ path = os.pathsep.join(pathlist)
+ else:
+ path = pathlist[0]
+ return path
+
+
+def user_cache_dir(appname=None, appauthor=None, version=None, opinion=True):
+ r"""Return full path to the user-specific cache dir for this application.
+
+ "appname" is the name of application.
+ If None, just the system directory is returned.
+ "appauthor" (only used on Windows) is the name of the
+ appauthor or distributing body for this application. Typically
+ it is the owning company name. This falls back to appname. You may
+ pass False to disable it.
+ "version" is an optional version path element to append to the
+ path. You might want to use this if you want multiple versions
+ of your app to be able to run independently. If used, this
+ would typically be ".".
+ Only applied when appname is present.
+ "opinion" (boolean) can be False to disable the appending of
+ "Cache" to the base app data dir for Windows. See
+ discussion below.
+
+ Typical user cache directories are:
+ Mac OS X: ~/Library/Caches/
+ Unix: ~/.cache/ (XDG default)
+ Win XP: C:\Documents and Settings\\Local Settings\Application Data\\\Cache
+ Vista: C:\Users\\AppData\Local\\\Cache
+
+ On Windows the only suggestion in the MSDN docs is that local settings go in
+ the `CSIDL_LOCAL_APPDATA` directory. This is identical to the non-roaming
+ app data dir (the default returned by `user_data_dir` above). Apps typically
+ put cache data somewhere *under* the given dir here. Some examples:
+ ...\Mozilla\Firefox\Profiles\\Cache
+ ...\Acme\SuperApp\Cache\1.0
+ OPINION: This function appends "Cache" to the `CSIDL_LOCAL_APPDATA` value.
+ This can be disabled with the `opinion=False` option.
+ """
+ if system == "win32":
+ if appauthor is None:
+ appauthor = appname
+ path = os.path.normpath(_get_win_folder("CSIDL_LOCAL_APPDATA"))
+ # When using Python 2, return paths as bytes on Windows like we do on
+ # other operating systems. See helper function docs for more details.
+ if not PY3 and isinstance(path, unicode):
+ path = _win_path_to_bytes(path)
+ if appname:
+ if appauthor is not False:
+ path = os.path.join(path, appauthor, appname)
+ else:
+ path = os.path.join(path, appname)
+ if opinion:
+ path = os.path.join(path, "Cache")
+ elif system == 'darwin':
+ path = os.path.expanduser('~/Library/Caches')
+ if appname:
+ path = os.path.join(path, appname)
+ else:
+ path = os.getenv('XDG_CACHE_HOME', os.path.expanduser('~/.cache'))
+ if appname:
+ path = os.path.join(path, appname)
+ if appname and version:
+ path = os.path.join(path, version)
+ return path
+
+
+def user_state_dir(appname=None, appauthor=None, version=None, roaming=False):
+ r"""Return full path to the user-specific state dir for this application.
+
+ "appname" is the name of application.
+ If None, just the system directory is returned.
+ "appauthor" (only used on Windows) is the name of the
+ appauthor or distributing body for this application. Typically
+ it is the owning company name. This falls back to appname. You may
+ pass False to disable it.
+ "version" is an optional version path element to append to the
+ path. You might want to use this if you want multiple versions
+ of your app to be able to run independently. If used, this
+ would typically be ".".
+ Only applied when appname is present.
+ "roaming" (boolean, default False) can be set True to use the Windows
+ roaming appdata directory. That means that for users on a Windows
+ network setup for roaming profiles, this user data will be
+ sync'd on login. See
+
+ for a discussion of issues.
+
+ Typical user state directories are:
+ Mac OS X: same as user_data_dir
+ Unix: ~/.local/state/ # or in $XDG_STATE_HOME, if defined
+ Win *: same as user_data_dir
+
+ For Unix, we follow this Debian proposal
+ to extend the XDG spec and support $XDG_STATE_HOME.
+
+ That means, by default "~/.local/state/".
+ """
+ if system in ["win32", "darwin"]:
+ path = user_data_dir(appname, appauthor, None, roaming)
+ else:
+ path = os.getenv('XDG_STATE_HOME', os.path.expanduser("~/.local/state"))
+ if appname:
+ path = os.path.join(path, appname)
+ if appname and version:
+ path = os.path.join(path, version)
+ return path
+
+
+def user_log_dir(appname=None, appauthor=None, version=None, opinion=True):
+ r"""Return full path to the user-specific log dir for this application.
+
+ "appname" is the name of application.
+ If None, just the system directory is returned.
+ "appauthor" (only used on Windows) is the name of the
+ appauthor or distributing body for this application. Typically
+ it is the owning company name. This falls back to appname. You may
+ pass False to disable it.
+ "version" is an optional version path element to append to the
+ path. You might want to use this if you want multiple versions
+ of your app to be able to run independently. If used, this
+ would typically be ".".
+ Only applied when appname is present.
+ "opinion" (boolean) can be False to disable the appending of
+ "Logs" to the base app data dir for Windows, and "log" to the
+ base cache dir for Unix. See discussion below.
+
+ Typical user log directories are:
+ Mac OS X: ~/Library/Logs/
+ Unix: ~/.cache//log # or under $XDG_CACHE_HOME if defined
+ Win XP: C:\Documents and Settings\\Local Settings\Application Data\\\Logs
+ Vista: C:\Users\\AppData\Local\\\Logs
+
+ On Windows the only suggestion in the MSDN docs is that local settings
+ go in the `CSIDL_LOCAL_APPDATA` directory. (Note: I'm interested in
+ examples of what some windows apps use for a logs dir.)
+
+ OPINION: This function appends "Logs" to the `CSIDL_LOCAL_APPDATA`
+ value for Windows and appends "log" to the user cache dir for Unix.
+ This can be disabled with the `opinion=False` option.
+ """
+ if system == "darwin":
+ path = os.path.join(
+ os.path.expanduser('~/Library/Logs'),
+ appname)
+ elif system == "win32":
+ path = user_data_dir(appname, appauthor, version)
+ version = False
+ if opinion:
+ path = os.path.join(path, "Logs")
+ else:
+ path = user_cache_dir(appname, appauthor, version)
+ version = False
+ if opinion:
+ path = os.path.join(path, "log")
+ if appname and version:
+ path = os.path.join(path, version)
+ return path
+
+
+class AppDirs(object):
+ """Convenience wrapper for getting application dirs."""
+ def __init__(self, appname=None, appauthor=None, version=None,
+ roaming=False, multipath=False):
+ self.appname = appname
+ self.appauthor = appauthor
+ self.version = version
+ self.roaming = roaming
+ self.multipath = multipath
+
+ @property
+ def user_data_dir(self):
+ return user_data_dir(self.appname, self.appauthor,
+ version=self.version, roaming=self.roaming)
+
+ @property
+ def site_data_dir(self):
+ return site_data_dir(self.appname, self.appauthor,
+ version=self.version, multipath=self.multipath)
+
+ @property
+ def user_config_dir(self):
+ return user_config_dir(self.appname, self.appauthor,
+ version=self.version, roaming=self.roaming)
+
+ @property
+ def site_config_dir(self):
+ return site_config_dir(self.appname, self.appauthor,
+ version=self.version, multipath=self.multipath)
+
+ @property
+ def user_cache_dir(self):
+ return user_cache_dir(self.appname, self.appauthor,
+ version=self.version)
+
+ @property
+ def user_state_dir(self):
+ return user_state_dir(self.appname, self.appauthor,
+ version=self.version)
+
+ @property
+ def user_log_dir(self):
+ return user_log_dir(self.appname, self.appauthor,
+ version=self.version)
+
+
+#---- internal support stuff
+
+def _get_win_folder_from_registry(csidl_name):
+ """This is a fallback technique at best. I'm not sure if using the
+ registry for this guarantees us the correct answer for all CSIDL_*
+ names.
+ """
+ if PY3:
+ import winreg as _winreg
+ else:
+ import _winreg
+
+ shell_folder_name = {
+ "CSIDL_APPDATA": "AppData",
+ "CSIDL_COMMON_APPDATA": "Common AppData",
+ "CSIDL_LOCAL_APPDATA": "Local AppData",
+ }[csidl_name]
+
+ key = _winreg.OpenKey(
+ _winreg.HKEY_CURRENT_USER,
+ r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders"
+ )
+ dir, type = _winreg.QueryValueEx(key, shell_folder_name)
+ return dir
+
+
+def _get_win_folder_with_pywin32(csidl_name):
+ from win32com.shell import shellcon, shell
+ dir = shell.SHGetFolderPath(0, getattr(shellcon, csidl_name), 0, 0)
+ # Try to make this a unicode path because SHGetFolderPath does
+ # not return unicode strings when there is unicode data in the
+ # path.
+ try:
+ dir = unicode(dir)
+
+ # Downgrade to short path name if have highbit chars. See
+ # .
+ has_high_char = False
+ for c in dir:
+ if ord(c) > 255:
+ has_high_char = True
+ break
+ if has_high_char:
+ try:
+ import win32api
+ dir = win32api.GetShortPathName(dir)
+ except ImportError:
+ pass
+ except UnicodeError:
+ pass
+ return dir
+
+
+def _get_win_folder_with_ctypes(csidl_name):
+ import ctypes
+
+ csidl_const = {
+ "CSIDL_APPDATA": 26,
+ "CSIDL_COMMON_APPDATA": 35,
+ "CSIDL_LOCAL_APPDATA": 28,
+ }[csidl_name]
+
+ buf = ctypes.create_unicode_buffer(1024)
+ ctypes.windll.shell32.SHGetFolderPathW(None, csidl_const, None, 0, buf)
+
+ # Downgrade to short path name if have highbit chars. See
+ # .
+ has_high_char = False
+ for c in buf:
+ if ord(c) > 255:
+ has_high_char = True
+ break
+ if has_high_char:
+ buf2 = ctypes.create_unicode_buffer(1024)
+ if ctypes.windll.kernel32.GetShortPathNameW(buf.value, buf2, 1024):
+ buf = buf2
+
+ return buf.value
+
+def _get_win_folder_with_jna(csidl_name):
+ import array
+ from com.sun import jna
+ from com.sun.jna.platform import win32
+
+ buf_size = win32.WinDef.MAX_PATH * 2
+ buf = array.zeros('c', buf_size)
+ shell = win32.Shell32.INSTANCE
+ shell.SHGetFolderPath(None, getattr(win32.ShlObj, csidl_name), None, win32.ShlObj.SHGFP_TYPE_CURRENT, buf)
+ dir = jna.Native.toString(buf.tostring()).rstrip("\0")
+
+ # Downgrade to short path name if have highbit chars. See
+ # .
+ has_high_char = False
+ for c in dir:
+ if ord(c) > 255:
+ has_high_char = True
+ break
+ if has_high_char:
+ buf = array.zeros('c', buf_size)
+ kernel = win32.Kernel32.INSTANCE
+ if kernel.GetShortPathName(dir, buf, buf_size):
+ dir = jna.Native.toString(buf.tostring()).rstrip("\0")
+
+ return dir
+
+if system == "win32":
+ try:
+ from ctypes import windll
+ _get_win_folder = _get_win_folder_with_ctypes
+ except ImportError:
+ try:
+ import com.sun.jna
+ _get_win_folder = _get_win_folder_with_jna
+ except ImportError:
+ _get_win_folder = _get_win_folder_from_registry
+
+
+def _win_path_to_bytes(path):
+ """Encode Windows paths to bytes. Only used on Python 2.
+
+ Motivation is to be consistent with other operating systems where paths
+ are also returned as bytes. This avoids problems mixing bytes and Unicode
+ elsewhere in the codebase. For more details and discussion see
+ .
+
+ If encoding using ASCII and MBCS fails, return the original Unicode path.
+ """
+ for encoding in ('ASCII', 'MBCS'):
+ try:
+ return path.encode(encoding)
+ except (UnicodeEncodeError, LookupError):
+ pass
+ return path
+
+
+#---- self test code
+
+if __name__ == "__main__":
+ appname = "MyApp"
+ appauthor = "MyCompany"
+
+ props = ("user_data_dir",
+ "user_config_dir",
+ "user_cache_dir",
+ "user_state_dir",
+ "user_log_dir",
+ "site_data_dir",
+ "site_config_dir")
+
+ print("-- app dirs %s --" % __version__)
+
+ print("-- app dirs (with optional 'version')")
+ dirs = AppDirs(appname, appauthor, version="1.0")
+ for prop in props:
+ print("%s: %s" % (prop, getattr(dirs, prop)))
+
+ print("\n-- app dirs (without optional 'version')")
+ dirs = AppDirs(appname, appauthor)
+ for prop in props:
+ print("%s: %s" % (prop, getattr(dirs, prop)))
+
+ print("\n-- app dirs (without optional 'appauthor')")
+ dirs = AppDirs(appname)
+ for prop in props:
+ print("%s: %s" % (prop, getattr(dirs, prop)))
+
+ print("\n-- app dirs (with disabled 'appauthor')")
+ dirs = AppDirs(appname, appauthor=False)
+ for prop in props:
+ print("%s: %s" % (prop, getattr(dirs, prop)))
diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/__init__.py b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/__init__.py
new file mode 100644
index 0000000..a1bbbbe
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/__init__.py
@@ -0,0 +1,11 @@
+"""CacheControl import Interface.
+
+Make it easy to import from cachecontrol without long namespaces.
+"""
+__author__ = "Eric Larson"
+__email__ = "eric@ionrock.org"
+__version__ = "0.12.6"
+
+from .wrapper import CacheControl
+from .adapter import CacheControlAdapter
+from .controller import CacheController
diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/__pycache__/__init__.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/__pycache__/__init__.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/_cmd.py b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/_cmd.py
new file mode 100644
index 0000000..f1e0ad9
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/_cmd.py
@@ -0,0 +1,57 @@
+import logging
+
+from pip._vendor import requests
+
+from pip._vendor.cachecontrol.adapter import CacheControlAdapter
+from pip._vendor.cachecontrol.cache import DictCache
+from pip._vendor.cachecontrol.controller import logger
+
+from argparse import ArgumentParser
+
+
+def setup_logging():
+ logger.setLevel(logging.DEBUG)
+ handler = logging.StreamHandler()
+ logger.addHandler(handler)
+
+
+def get_session():
+ adapter = CacheControlAdapter(
+ DictCache(), cache_etags=True, serializer=None, heuristic=None
+ )
+ sess = requests.Session()
+ sess.mount("http://", adapter)
+ sess.mount("https://", adapter)
+
+ sess.cache_controller = adapter.controller
+ return sess
+
+
+def get_args():
+ parser = ArgumentParser()
+ parser.add_argument("url", help="The URL to try and cache")
+ return parser.parse_args()
+
+
+def main(args=None):
+ args = get_args()
+ sess = get_session()
+
+ # Make a request to get a response
+ resp = sess.get(args.url)
+
+ # Turn on logging
+ setup_logging()
+
+ # try setting the cache
+ sess.cache_controller.cache_response(resp.request, resp.raw)
+
+ # Now try to get it
+ if sess.cache_controller.cached_request(resp.request):
+ print("Cached!")
+ else:
+ print("Not cached :(")
+
+
+if __name__ == "__main__":
+ main()
diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/adapter.py b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/adapter.py
new file mode 100644
index 0000000..815650e
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/adapter.py
@@ -0,0 +1,133 @@
+import types
+import functools
+import zlib
+
+from pip._vendor.requests.adapters import HTTPAdapter
+
+from .controller import CacheController
+from .cache import DictCache
+from .filewrapper import CallbackFileWrapper
+
+
+class CacheControlAdapter(HTTPAdapter):
+ invalidating_methods = {"PUT", "DELETE"}
+
+ def __init__(
+ self,
+ cache=None,
+ cache_etags=True,
+ controller_class=None,
+ serializer=None,
+ heuristic=None,
+ cacheable_methods=None,
+ *args,
+ **kw
+ ):
+ super(CacheControlAdapter, self).__init__(*args, **kw)
+ self.cache = DictCache() if cache is None else cache
+ self.heuristic = heuristic
+ self.cacheable_methods = cacheable_methods or ("GET",)
+
+ controller_factory = controller_class or CacheController
+ self.controller = controller_factory(
+ self.cache, cache_etags=cache_etags, serializer=serializer
+ )
+
+ def send(self, request, cacheable_methods=None, **kw):
+ """
+ Send a request. Use the request information to see if it
+ exists in the cache and cache the response if we need to and can.
+ """
+ cacheable = cacheable_methods or self.cacheable_methods
+ if request.method in cacheable:
+ try:
+ cached_response = self.controller.cached_request(request)
+ except zlib.error:
+ cached_response = None
+ if cached_response:
+ return self.build_response(request, cached_response, from_cache=True)
+
+ # check for etags and add headers if appropriate
+ request.headers.update(self.controller.conditional_headers(request))
+
+ resp = super(CacheControlAdapter, self).send(request, **kw)
+
+ return resp
+
+ def build_response(
+ self, request, response, from_cache=False, cacheable_methods=None
+ ):
+ """
+ Build a response by making a request or using the cache.
+
+ This will end up calling send and returning a potentially
+ cached response
+ """
+ cacheable = cacheable_methods or self.cacheable_methods
+ if not from_cache and request.method in cacheable:
+ # Check for any heuristics that might update headers
+ # before trying to cache.
+ if self.heuristic:
+ response = self.heuristic.apply(response)
+
+ # apply any expiration heuristics
+ if response.status == 304:
+ # We must have sent an ETag request. This could mean
+ # that we've been expired already or that we simply
+ # have an etag. In either case, we want to try and
+ # update the cache if that is the case.
+ cached_response = self.controller.update_cached_response(
+ request, response
+ )
+
+ if cached_response is not response:
+ from_cache = True
+
+ # We are done with the server response, read a
+ # possible response body (compliant servers will
+ # not return one, but we cannot be 100% sure) and
+ # release the connection back to the pool.
+ response.read(decode_content=False)
+ response.release_conn()
+
+ response = cached_response
+
+ # We always cache the 301 responses
+ elif response.status == 301:
+ self.controller.cache_response(request, response)
+ else:
+ # Wrap the response file with a wrapper that will cache the
+ # response when the stream has been consumed.
+ response._fp = CallbackFileWrapper(
+ response._fp,
+ functools.partial(
+ self.controller.cache_response, request, response
+ ),
+ )
+ if response.chunked:
+ super_update_chunk_length = response._update_chunk_length
+
+ def _update_chunk_length(self):
+ super_update_chunk_length()
+ if self.chunk_left == 0:
+ self._fp._close()
+
+ response._update_chunk_length = types.MethodType(
+ _update_chunk_length, response
+ )
+
+ resp = super(CacheControlAdapter, self).build_response(request, response)
+
+ # See if we should invalidate the cache.
+ if request.method in self.invalidating_methods and resp.ok:
+ cache_url = self.controller.cache_url(request.url)
+ self.cache.delete(cache_url)
+
+ # Give the request a from_cache attr to let people use it
+ resp.from_cache = from_cache
+
+ return resp
+
+ def close(self):
+ self.cache.close()
+ super(CacheControlAdapter, self).close()
diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/cache.py b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/cache.py
new file mode 100644
index 0000000..94e0773
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/cache.py
@@ -0,0 +1,39 @@
+"""
+The cache object API for implementing caches. The default is a thread
+safe in-memory dictionary.
+"""
+from threading import Lock
+
+
+class BaseCache(object):
+
+ def get(self, key):
+ raise NotImplementedError()
+
+ def set(self, key, value):
+ raise NotImplementedError()
+
+ def delete(self, key):
+ raise NotImplementedError()
+
+ def close(self):
+ pass
+
+
+class DictCache(BaseCache):
+
+ def __init__(self, init_dict=None):
+ self.lock = Lock()
+ self.data = init_dict or {}
+
+ def get(self, key):
+ return self.data.get(key, None)
+
+ def set(self, key, value):
+ with self.lock:
+ self.data.update({key: value})
+
+ def delete(self, key):
+ with self.lock:
+ if key in self.data:
+ self.data.pop(key)
diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/__init__.py b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/__init__.py
new file mode 100644
index 0000000..0e1658f
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/__init__.py
@@ -0,0 +1,2 @@
+from .file_cache import FileCache # noqa
+from .redis_cache import RedisCache # noqa
diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/__init__.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/__init__.cpython-310.pyc
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diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/file_cache.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/file_cache.cpython-310.pyc
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index 0000000..722212a
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diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/redis_cache.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/__pycache__/redis_cache.cpython-310.pyc
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index 0000000..c888bcd
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diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/file_cache.py b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/file_cache.py
new file mode 100644
index 0000000..607b945
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/file_cache.py
@@ -0,0 +1,146 @@
+import hashlib
+import os
+from textwrap import dedent
+
+from ..cache import BaseCache
+from ..controller import CacheController
+
+try:
+ FileNotFoundError
+except NameError:
+ # py2.X
+ FileNotFoundError = (IOError, OSError)
+
+
+def _secure_open_write(filename, fmode):
+ # We only want to write to this file, so open it in write only mode
+ flags = os.O_WRONLY
+
+ # os.O_CREAT | os.O_EXCL will fail if the file already exists, so we only
+ # will open *new* files.
+ # We specify this because we want to ensure that the mode we pass is the
+ # mode of the file.
+ flags |= os.O_CREAT | os.O_EXCL
+
+ # Do not follow symlinks to prevent someone from making a symlink that
+ # we follow and insecurely open a cache file.
+ if hasattr(os, "O_NOFOLLOW"):
+ flags |= os.O_NOFOLLOW
+
+ # On Windows we'll mark this file as binary
+ if hasattr(os, "O_BINARY"):
+ flags |= os.O_BINARY
+
+ # Before we open our file, we want to delete any existing file that is
+ # there
+ try:
+ os.remove(filename)
+ except (IOError, OSError):
+ # The file must not exist already, so we can just skip ahead to opening
+ pass
+
+ # Open our file, the use of os.O_CREAT | os.O_EXCL will ensure that if a
+ # race condition happens between the os.remove and this line, that an
+ # error will be raised. Because we utilize a lockfile this should only
+ # happen if someone is attempting to attack us.
+ fd = os.open(filename, flags, fmode)
+ try:
+ return os.fdopen(fd, "wb")
+
+ except:
+ # An error occurred wrapping our FD in a file object
+ os.close(fd)
+ raise
+
+
+class FileCache(BaseCache):
+
+ def __init__(
+ self,
+ directory,
+ forever=False,
+ filemode=0o0600,
+ dirmode=0o0700,
+ use_dir_lock=None,
+ lock_class=None,
+ ):
+
+ if use_dir_lock is not None and lock_class is not None:
+ raise ValueError("Cannot use use_dir_lock and lock_class together")
+
+ try:
+ from lockfile import LockFile
+ from lockfile.mkdirlockfile import MkdirLockFile
+ except ImportError:
+ notice = dedent(
+ """
+ NOTE: In order to use the FileCache you must have
+ lockfile installed. You can install it via pip:
+ pip install lockfile
+ """
+ )
+ raise ImportError(notice)
+
+ else:
+ if use_dir_lock:
+ lock_class = MkdirLockFile
+
+ elif lock_class is None:
+ lock_class = LockFile
+
+ self.directory = directory
+ self.forever = forever
+ self.filemode = filemode
+ self.dirmode = dirmode
+ self.lock_class = lock_class
+
+ @staticmethod
+ def encode(x):
+ return hashlib.sha224(x.encode()).hexdigest()
+
+ def _fn(self, name):
+ # NOTE: This method should not change as some may depend on it.
+ # See: https://github.com/ionrock/cachecontrol/issues/63
+ hashed = self.encode(name)
+ parts = list(hashed[:5]) + [hashed]
+ return os.path.join(self.directory, *parts)
+
+ def get(self, key):
+ name = self._fn(key)
+ try:
+ with open(name, "rb") as fh:
+ return fh.read()
+
+ except FileNotFoundError:
+ return None
+
+ def set(self, key, value):
+ name = self._fn(key)
+
+ # Make sure the directory exists
+ try:
+ os.makedirs(os.path.dirname(name), self.dirmode)
+ except (IOError, OSError):
+ pass
+
+ with self.lock_class(name) as lock:
+ # Write our actual file
+ with _secure_open_write(lock.path, self.filemode) as fh:
+ fh.write(value)
+
+ def delete(self, key):
+ name = self._fn(key)
+ if not self.forever:
+ try:
+ os.remove(name)
+ except FileNotFoundError:
+ pass
+
+
+def url_to_file_path(url, filecache):
+ """Return the file cache path based on the URL.
+
+ This does not ensure the file exists!
+ """
+ key = CacheController.cache_url(url)
+ return filecache._fn(key)
diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/redis_cache.py b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/redis_cache.py
new file mode 100644
index 0000000..ed705ce
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/caches/redis_cache.py
@@ -0,0 +1,33 @@
+from __future__ import division
+
+from datetime import datetime
+from pip._vendor.cachecontrol.cache import BaseCache
+
+
+class RedisCache(BaseCache):
+
+ def __init__(self, conn):
+ self.conn = conn
+
+ def get(self, key):
+ return self.conn.get(key)
+
+ def set(self, key, value, expires=None):
+ if not expires:
+ self.conn.set(key, value)
+ else:
+ expires = expires - datetime.utcnow()
+ self.conn.setex(key, int(expires.total_seconds()), value)
+
+ def delete(self, key):
+ self.conn.delete(key)
+
+ def clear(self):
+ """Helper for clearing all the keys in a database. Use with
+ caution!"""
+ for key in self.conn.keys():
+ self.conn.delete(key)
+
+ def close(self):
+ """Redis uses connection pooling, no need to close the connection."""
+ pass
diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/compat.py b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/compat.py
new file mode 100644
index 0000000..33b5aed
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/compat.py
@@ -0,0 +1,29 @@
+try:
+ from urllib.parse import urljoin
+except ImportError:
+ from urlparse import urljoin
+
+
+try:
+ import cPickle as pickle
+except ImportError:
+ import pickle
+
+
+# Handle the case where the requests module has been patched to not have
+# urllib3 bundled as part of its source.
+try:
+ from pip._vendor.requests.packages.urllib3.response import HTTPResponse
+except ImportError:
+ from pip._vendor.urllib3.response import HTTPResponse
+
+try:
+ from pip._vendor.requests.packages.urllib3.util import is_fp_closed
+except ImportError:
+ from pip._vendor.urllib3.util import is_fp_closed
+
+# Replicate some six behaviour
+try:
+ text_type = unicode
+except NameError:
+ text_type = str
diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/controller.py b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/controller.py
new file mode 100644
index 0000000..dafe55c
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/controller.py
@@ -0,0 +1,376 @@
+"""
+The httplib2 algorithms ported for use with requests.
+"""
+import logging
+import re
+import calendar
+import time
+from email.utils import parsedate_tz
+
+from pip._vendor.requests.structures import CaseInsensitiveDict
+
+from .cache import DictCache
+from .serialize import Serializer
+
+
+logger = logging.getLogger(__name__)
+
+URI = re.compile(r"^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?")
+
+
+def parse_uri(uri):
+ """Parses a URI using the regex given in Appendix B of RFC 3986.
+
+ (scheme, authority, path, query, fragment) = parse_uri(uri)
+ """
+ groups = URI.match(uri).groups()
+ return (groups[1], groups[3], groups[4], groups[6], groups[8])
+
+
+class CacheController(object):
+ """An interface to see if request should cached or not.
+ """
+
+ def __init__(
+ self, cache=None, cache_etags=True, serializer=None, status_codes=None
+ ):
+ self.cache = DictCache() if cache is None else cache
+ self.cache_etags = cache_etags
+ self.serializer = serializer or Serializer()
+ self.cacheable_status_codes = status_codes or (200, 203, 300, 301)
+
+ @classmethod
+ def _urlnorm(cls, uri):
+ """Normalize the URL to create a safe key for the cache"""
+ (scheme, authority, path, query, fragment) = parse_uri(uri)
+ if not scheme or not authority:
+ raise Exception("Only absolute URIs are allowed. uri = %s" % uri)
+
+ scheme = scheme.lower()
+ authority = authority.lower()
+
+ if not path:
+ path = "/"
+
+ # Could do syntax based normalization of the URI before
+ # computing the digest. See Section 6.2.2 of Std 66.
+ request_uri = query and "?".join([path, query]) or path
+ defrag_uri = scheme + "://" + authority + request_uri
+
+ return defrag_uri
+
+ @classmethod
+ def cache_url(cls, uri):
+ return cls._urlnorm(uri)
+
+ def parse_cache_control(self, headers):
+ known_directives = {
+ # https://tools.ietf.org/html/rfc7234#section-5.2
+ "max-age": (int, True),
+ "max-stale": (int, False),
+ "min-fresh": (int, True),
+ "no-cache": (None, False),
+ "no-store": (None, False),
+ "no-transform": (None, False),
+ "only-if-cached": (None, False),
+ "must-revalidate": (None, False),
+ "public": (None, False),
+ "private": (None, False),
+ "proxy-revalidate": (None, False),
+ "s-maxage": (int, True),
+ }
+
+ cc_headers = headers.get("cache-control", headers.get("Cache-Control", ""))
+
+ retval = {}
+
+ for cc_directive in cc_headers.split(","):
+ if not cc_directive.strip():
+ continue
+
+ parts = cc_directive.split("=", 1)
+ directive = parts[0].strip()
+
+ try:
+ typ, required = known_directives[directive]
+ except KeyError:
+ logger.debug("Ignoring unknown cache-control directive: %s", directive)
+ continue
+
+ if not typ or not required:
+ retval[directive] = None
+ if typ:
+ try:
+ retval[directive] = typ(parts[1].strip())
+ except IndexError:
+ if required:
+ logger.debug(
+ "Missing value for cache-control " "directive: %s",
+ directive,
+ )
+ except ValueError:
+ logger.debug(
+ "Invalid value for cache-control directive " "%s, must be %s",
+ directive,
+ typ.__name__,
+ )
+
+ return retval
+
+ def cached_request(self, request):
+ """
+ Return a cached response if it exists in the cache, otherwise
+ return False.
+ """
+ cache_url = self.cache_url(request.url)
+ logger.debug('Looking up "%s" in the cache', cache_url)
+ cc = self.parse_cache_control(request.headers)
+
+ # Bail out if the request insists on fresh data
+ if "no-cache" in cc:
+ logger.debug('Request header has "no-cache", cache bypassed')
+ return False
+
+ if "max-age" in cc and cc["max-age"] == 0:
+ logger.debug('Request header has "max_age" as 0, cache bypassed')
+ return False
+
+ # Request allows serving from the cache, let's see if we find something
+ cache_data = self.cache.get(cache_url)
+ if cache_data is None:
+ logger.debug("No cache entry available")
+ return False
+
+ # Check whether it can be deserialized
+ resp = self.serializer.loads(request, cache_data)
+ if not resp:
+ logger.warning("Cache entry deserialization failed, entry ignored")
+ return False
+
+ # If we have a cached 301, return it immediately. We don't
+ # need to test our response for other headers b/c it is
+ # intrinsically "cacheable" as it is Permanent.
+ # See:
+ # https://tools.ietf.org/html/rfc7231#section-6.4.2
+ #
+ # Client can try to refresh the value by repeating the request
+ # with cache busting headers as usual (ie no-cache).
+ if resp.status == 301:
+ msg = (
+ 'Returning cached "301 Moved Permanently" response '
+ "(ignoring date and etag information)"
+ )
+ logger.debug(msg)
+ return resp
+
+ headers = CaseInsensitiveDict(resp.headers)
+ if not headers or "date" not in headers:
+ if "etag" not in headers:
+ # Without date or etag, the cached response can never be used
+ # and should be deleted.
+ logger.debug("Purging cached response: no date or etag")
+ self.cache.delete(cache_url)
+ logger.debug("Ignoring cached response: no date")
+ return False
+
+ now = time.time()
+ date = calendar.timegm(parsedate_tz(headers["date"]))
+ current_age = max(0, now - date)
+ logger.debug("Current age based on date: %i", current_age)
+
+ # TODO: There is an assumption that the result will be a
+ # urllib3 response object. This may not be best since we
+ # could probably avoid instantiating or constructing the
+ # response until we know we need it.
+ resp_cc = self.parse_cache_control(headers)
+
+ # determine freshness
+ freshness_lifetime = 0
+
+ # Check the max-age pragma in the cache control header
+ if "max-age" in resp_cc:
+ freshness_lifetime = resp_cc["max-age"]
+ logger.debug("Freshness lifetime from max-age: %i", freshness_lifetime)
+
+ # If there isn't a max-age, check for an expires header
+ elif "expires" in headers:
+ expires = parsedate_tz(headers["expires"])
+ if expires is not None:
+ expire_time = calendar.timegm(expires) - date
+ freshness_lifetime = max(0, expire_time)
+ logger.debug("Freshness lifetime from expires: %i", freshness_lifetime)
+
+ # Determine if we are setting freshness limit in the
+ # request. Note, this overrides what was in the response.
+ if "max-age" in cc:
+ freshness_lifetime = cc["max-age"]
+ logger.debug(
+ "Freshness lifetime from request max-age: %i", freshness_lifetime
+ )
+
+ if "min-fresh" in cc:
+ min_fresh = cc["min-fresh"]
+ # adjust our current age by our min fresh
+ current_age += min_fresh
+ logger.debug("Adjusted current age from min-fresh: %i", current_age)
+
+ # Return entry if it is fresh enough
+ if freshness_lifetime > current_age:
+ logger.debug('The response is "fresh", returning cached response')
+ logger.debug("%i > %i", freshness_lifetime, current_age)
+ return resp
+
+ # we're not fresh. If we don't have an Etag, clear it out
+ if "etag" not in headers:
+ logger.debug('The cached response is "stale" with no etag, purging')
+ self.cache.delete(cache_url)
+
+ # return the original handler
+ return False
+
+ def conditional_headers(self, request):
+ cache_url = self.cache_url(request.url)
+ resp = self.serializer.loads(request, self.cache.get(cache_url))
+ new_headers = {}
+
+ if resp:
+ headers = CaseInsensitiveDict(resp.headers)
+
+ if "etag" in headers:
+ new_headers["If-None-Match"] = headers["ETag"]
+
+ if "last-modified" in headers:
+ new_headers["If-Modified-Since"] = headers["Last-Modified"]
+
+ return new_headers
+
+ def cache_response(self, request, response, body=None, status_codes=None):
+ """
+ Algorithm for caching requests.
+
+ This assumes a requests Response object.
+ """
+ # From httplib2: Don't cache 206's since we aren't going to
+ # handle byte range requests
+ cacheable_status_codes = status_codes or self.cacheable_status_codes
+ if response.status not in cacheable_status_codes:
+ logger.debug(
+ "Status code %s not in %s", response.status, cacheable_status_codes
+ )
+ return
+
+ response_headers = CaseInsensitiveDict(response.headers)
+
+ # If we've been given a body, our response has a Content-Length, that
+ # Content-Length is valid then we can check to see if the body we've
+ # been given matches the expected size, and if it doesn't we'll just
+ # skip trying to cache it.
+ if (
+ body is not None
+ and "content-length" in response_headers
+ and response_headers["content-length"].isdigit()
+ and int(response_headers["content-length"]) != len(body)
+ ):
+ return
+
+ cc_req = self.parse_cache_control(request.headers)
+ cc = self.parse_cache_control(response_headers)
+
+ cache_url = self.cache_url(request.url)
+ logger.debug('Updating cache with response from "%s"', cache_url)
+
+ # Delete it from the cache if we happen to have it stored there
+ no_store = False
+ if "no-store" in cc:
+ no_store = True
+ logger.debug('Response header has "no-store"')
+ if "no-store" in cc_req:
+ no_store = True
+ logger.debug('Request header has "no-store"')
+ if no_store and self.cache.get(cache_url):
+ logger.debug('Purging existing cache entry to honor "no-store"')
+ self.cache.delete(cache_url)
+ if no_store:
+ return
+
+ # https://tools.ietf.org/html/rfc7234#section-4.1:
+ # A Vary header field-value of "*" always fails to match.
+ # Storing such a response leads to a deserialization warning
+ # during cache lookup and is not allowed to ever be served,
+ # so storing it can be avoided.
+ if "*" in response_headers.get("vary", ""):
+ logger.debug('Response header has "Vary: *"')
+ return
+
+ # If we've been given an etag, then keep the response
+ if self.cache_etags and "etag" in response_headers:
+ logger.debug("Caching due to etag")
+ self.cache.set(
+ cache_url, self.serializer.dumps(request, response, body=body)
+ )
+
+ # Add to the cache any 301s. We do this before looking that
+ # the Date headers.
+ elif response.status == 301:
+ logger.debug("Caching permanant redirect")
+ self.cache.set(cache_url, self.serializer.dumps(request, response))
+
+ # Add to the cache if the response headers demand it. If there
+ # is no date header then we can't do anything about expiring
+ # the cache.
+ elif "date" in response_headers:
+ # cache when there is a max-age > 0
+ if "max-age" in cc and cc["max-age"] > 0:
+ logger.debug("Caching b/c date exists and max-age > 0")
+ self.cache.set(
+ cache_url, self.serializer.dumps(request, response, body=body)
+ )
+
+ # If the request can expire, it means we should cache it
+ # in the meantime.
+ elif "expires" in response_headers:
+ if response_headers["expires"]:
+ logger.debug("Caching b/c of expires header")
+ self.cache.set(
+ cache_url, self.serializer.dumps(request, response, body=body)
+ )
+
+ def update_cached_response(self, request, response):
+ """On a 304 we will get a new set of headers that we want to
+ update our cached value with, assuming we have one.
+
+ This should only ever be called when we've sent an ETag and
+ gotten a 304 as the response.
+ """
+ cache_url = self.cache_url(request.url)
+
+ cached_response = self.serializer.loads(request, self.cache.get(cache_url))
+
+ if not cached_response:
+ # we didn't have a cached response
+ return response
+
+ # Lets update our headers with the headers from the new request:
+ # http://tools.ietf.org/html/draft-ietf-httpbis-p4-conditional-26#section-4.1
+ #
+ # The server isn't supposed to send headers that would make
+ # the cached body invalid. But... just in case, we'll be sure
+ # to strip out ones we know that might be problmatic due to
+ # typical assumptions.
+ excluded_headers = ["content-length"]
+
+ cached_response.headers.update(
+ dict(
+ (k, v)
+ for k, v in response.headers.items()
+ if k.lower() not in excluded_headers
+ )
+ )
+
+ # we want a 200 b/c we have content via the cache
+ cached_response.status = 200
+
+ # update our cache
+ self.cache.set(cache_url, self.serializer.dumps(request, cached_response))
+
+ return cached_response
diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/filewrapper.py b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/filewrapper.py
new file mode 100644
index 0000000..30ed4c5
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/filewrapper.py
@@ -0,0 +1,80 @@
+from io import BytesIO
+
+
+class CallbackFileWrapper(object):
+ """
+ Small wrapper around a fp object which will tee everything read into a
+ buffer, and when that file is closed it will execute a callback with the
+ contents of that buffer.
+
+ All attributes are proxied to the underlying file object.
+
+ This class uses members with a double underscore (__) leading prefix so as
+ not to accidentally shadow an attribute.
+ """
+
+ def __init__(self, fp, callback):
+ self.__buf = BytesIO()
+ self.__fp = fp
+ self.__callback = callback
+
+ def __getattr__(self, name):
+ # The vaguaries of garbage collection means that self.__fp is
+ # not always set. By using __getattribute__ and the private
+ # name[0] allows looking up the attribute value and raising an
+ # AttributeError when it doesn't exist. This stop thigns from
+ # infinitely recursing calls to getattr in the case where
+ # self.__fp hasn't been set.
+ #
+ # [0] https://docs.python.org/2/reference/expressions.html#atom-identifiers
+ fp = self.__getattribute__("_CallbackFileWrapper__fp")
+ return getattr(fp, name)
+
+ def __is_fp_closed(self):
+ try:
+ return self.__fp.fp is None
+
+ except AttributeError:
+ pass
+
+ try:
+ return self.__fp.closed
+
+ except AttributeError:
+ pass
+
+ # We just don't cache it then.
+ # TODO: Add some logging here...
+ return False
+
+ def _close(self):
+ if self.__callback:
+ self.__callback(self.__buf.getvalue())
+
+ # We assign this to None here, because otherwise we can get into
+ # really tricky problems where the CPython interpreter dead locks
+ # because the callback is holding a reference to something which
+ # has a __del__ method. Setting this to None breaks the cycle
+ # and allows the garbage collector to do it's thing normally.
+ self.__callback = None
+
+ def read(self, amt=None):
+ data = self.__fp.read(amt)
+ self.__buf.write(data)
+ if self.__is_fp_closed():
+ self._close()
+
+ return data
+
+ def _safe_read(self, amt):
+ data = self.__fp._safe_read(amt)
+ if amt == 2 and data == b"\r\n":
+ # urllib executes this read to toss the CRLF at the end
+ # of the chunk.
+ return data
+
+ self.__buf.write(data)
+ if self.__is_fp_closed():
+ self._close()
+
+ return data
diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/heuristics.py b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/heuristics.py
new file mode 100644
index 0000000..6c0e979
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/heuristics.py
@@ -0,0 +1,135 @@
+import calendar
+import time
+
+from email.utils import formatdate, parsedate, parsedate_tz
+
+from datetime import datetime, timedelta
+
+TIME_FMT = "%a, %d %b %Y %H:%M:%S GMT"
+
+
+def expire_after(delta, date=None):
+ date = date or datetime.utcnow()
+ return date + delta
+
+
+def datetime_to_header(dt):
+ return formatdate(calendar.timegm(dt.timetuple()))
+
+
+class BaseHeuristic(object):
+
+ def warning(self, response):
+ """
+ Return a valid 1xx warning header value describing the cache
+ adjustments.
+
+ The response is provided too allow warnings like 113
+ http://tools.ietf.org/html/rfc7234#section-5.5.4 where we need
+ to explicitly say response is over 24 hours old.
+ """
+ return '110 - "Response is Stale"'
+
+ def update_headers(self, response):
+ """Update the response headers with any new headers.
+
+ NOTE: This SHOULD always include some Warning header to
+ signify that the response was cached by the client, not
+ by way of the provided headers.
+ """
+ return {}
+
+ def apply(self, response):
+ updated_headers = self.update_headers(response)
+
+ if updated_headers:
+ response.headers.update(updated_headers)
+ warning_header_value = self.warning(response)
+ if warning_header_value is not None:
+ response.headers.update({"Warning": warning_header_value})
+
+ return response
+
+
+class OneDayCache(BaseHeuristic):
+ """
+ Cache the response by providing an expires 1 day in the
+ future.
+ """
+
+ def update_headers(self, response):
+ headers = {}
+
+ if "expires" not in response.headers:
+ date = parsedate(response.headers["date"])
+ expires = expire_after(timedelta(days=1), date=datetime(*date[:6]))
+ headers["expires"] = datetime_to_header(expires)
+ headers["cache-control"] = "public"
+ return headers
+
+
+class ExpiresAfter(BaseHeuristic):
+ """
+ Cache **all** requests for a defined time period.
+ """
+
+ def __init__(self, **kw):
+ self.delta = timedelta(**kw)
+
+ def update_headers(self, response):
+ expires = expire_after(self.delta)
+ return {"expires": datetime_to_header(expires), "cache-control": "public"}
+
+ def warning(self, response):
+ tmpl = "110 - Automatically cached for %s. Response might be stale"
+ return tmpl % self.delta
+
+
+class LastModified(BaseHeuristic):
+ """
+ If there is no Expires header already, fall back on Last-Modified
+ using the heuristic from
+ http://tools.ietf.org/html/rfc7234#section-4.2.2
+ to calculate a reasonable value.
+
+ Firefox also does something like this per
+ https://developer.mozilla.org/en-US/docs/Web/HTTP/Caching_FAQ
+ http://lxr.mozilla.org/mozilla-release/source/netwerk/protocol/http/nsHttpResponseHead.cpp#397
+ Unlike mozilla we limit this to 24-hr.
+ """
+ cacheable_by_default_statuses = {
+ 200, 203, 204, 206, 300, 301, 404, 405, 410, 414, 501
+ }
+
+ def update_headers(self, resp):
+ headers = resp.headers
+
+ if "expires" in headers:
+ return {}
+
+ if "cache-control" in headers and headers["cache-control"] != "public":
+ return {}
+
+ if resp.status not in self.cacheable_by_default_statuses:
+ return {}
+
+ if "date" not in headers or "last-modified" not in headers:
+ return {}
+
+ date = calendar.timegm(parsedate_tz(headers["date"]))
+ last_modified = parsedate(headers["last-modified"])
+ if date is None or last_modified is None:
+ return {}
+
+ now = time.time()
+ current_age = max(0, now - date)
+ delta = date - calendar.timegm(last_modified)
+ freshness_lifetime = max(0, min(delta / 10, 24 * 3600))
+ if freshness_lifetime <= current_age:
+ return {}
+
+ expires = date + freshness_lifetime
+ return {"expires": time.strftime(TIME_FMT, time.gmtime(expires))}
+
+ def warning(self, resp):
+ return None
diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/serialize.py b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/serialize.py
new file mode 100644
index 0000000..3b6ec2d
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/serialize.py
@@ -0,0 +1,188 @@
+import base64
+import io
+import json
+import zlib
+
+from pip._vendor import msgpack
+from pip._vendor.requests.structures import CaseInsensitiveDict
+
+from .compat import HTTPResponse, pickle, text_type
+
+
+def _b64_decode_bytes(b):
+ return base64.b64decode(b.encode("ascii"))
+
+
+def _b64_decode_str(s):
+ return _b64_decode_bytes(s).decode("utf8")
+
+
+class Serializer(object):
+
+ def dumps(self, request, response, body=None):
+ response_headers = CaseInsensitiveDict(response.headers)
+
+ if body is None:
+ body = response.read(decode_content=False)
+
+ # NOTE: 99% sure this is dead code. I'm only leaving it
+ # here b/c I don't have a test yet to prove
+ # it. Basically, before using
+ # `cachecontrol.filewrapper.CallbackFileWrapper`,
+ # this made an effort to reset the file handle. The
+ # `CallbackFileWrapper` short circuits this code by
+ # setting the body as the content is consumed, the
+ # result being a `body` argument is *always* passed
+ # into cache_response, and in turn,
+ # `Serializer.dump`.
+ response._fp = io.BytesIO(body)
+
+ # NOTE: This is all a bit weird, but it's really important that on
+ # Python 2.x these objects are unicode and not str, even when
+ # they contain only ascii. The problem here is that msgpack
+ # understands the difference between unicode and bytes and we
+ # have it set to differentiate between them, however Python 2
+ # doesn't know the difference. Forcing these to unicode will be
+ # enough to have msgpack know the difference.
+ data = {
+ u"response": {
+ u"body": body,
+ u"headers": dict(
+ (text_type(k), text_type(v)) for k, v in response.headers.items()
+ ),
+ u"status": response.status,
+ u"version": response.version,
+ u"reason": text_type(response.reason),
+ u"strict": response.strict,
+ u"decode_content": response.decode_content,
+ }
+ }
+
+ # Construct our vary headers
+ data[u"vary"] = {}
+ if u"vary" in response_headers:
+ varied_headers = response_headers[u"vary"].split(",")
+ for header in varied_headers:
+ header = text_type(header).strip()
+ header_value = request.headers.get(header, None)
+ if header_value is not None:
+ header_value = text_type(header_value)
+ data[u"vary"][header] = header_value
+
+ return b",".join([b"cc=4", msgpack.dumps(data, use_bin_type=True)])
+
+ def loads(self, request, data):
+ # Short circuit if we've been given an empty set of data
+ if not data:
+ return
+
+ # Determine what version of the serializer the data was serialized
+ # with
+ try:
+ ver, data = data.split(b",", 1)
+ except ValueError:
+ ver = b"cc=0"
+
+ # Make sure that our "ver" is actually a version and isn't a false
+ # positive from a , being in the data stream.
+ if ver[:3] != b"cc=":
+ data = ver + data
+ ver = b"cc=0"
+
+ # Get the version number out of the cc=N
+ ver = ver.split(b"=", 1)[-1].decode("ascii")
+
+ # Dispatch to the actual load method for the given version
+ try:
+ return getattr(self, "_loads_v{}".format(ver))(request, data)
+
+ except AttributeError:
+ # This is a version we don't have a loads function for, so we'll
+ # just treat it as a miss and return None
+ return
+
+ def prepare_response(self, request, cached):
+ """Verify our vary headers match and construct a real urllib3
+ HTTPResponse object.
+ """
+ # Special case the '*' Vary value as it means we cannot actually
+ # determine if the cached response is suitable for this request.
+ # This case is also handled in the controller code when creating
+ # a cache entry, but is left here for backwards compatibility.
+ if "*" in cached.get("vary", {}):
+ return
+
+ # Ensure that the Vary headers for the cached response match our
+ # request
+ for header, value in cached.get("vary", {}).items():
+ if request.headers.get(header, None) != value:
+ return
+
+ body_raw = cached["response"].pop("body")
+
+ headers = CaseInsensitiveDict(data=cached["response"]["headers"])
+ if headers.get("transfer-encoding", "") == "chunked":
+ headers.pop("transfer-encoding")
+
+ cached["response"]["headers"] = headers
+
+ try:
+ body = io.BytesIO(body_raw)
+ except TypeError:
+ # This can happen if cachecontrol serialized to v1 format (pickle)
+ # using Python 2. A Python 2 str(byte string) will be unpickled as
+ # a Python 3 str (unicode string), which will cause the above to
+ # fail with:
+ #
+ # TypeError: 'str' does not support the buffer interface
+ body = io.BytesIO(body_raw.encode("utf8"))
+
+ return HTTPResponse(body=body, preload_content=False, **cached["response"])
+
+ def _loads_v0(self, request, data):
+ # The original legacy cache data. This doesn't contain enough
+ # information to construct everything we need, so we'll treat this as
+ # a miss.
+ return
+
+ def _loads_v1(self, request, data):
+ try:
+ cached = pickle.loads(data)
+ except ValueError:
+ return
+
+ return self.prepare_response(request, cached)
+
+ def _loads_v2(self, request, data):
+ try:
+ cached = json.loads(zlib.decompress(data).decode("utf8"))
+ except (ValueError, zlib.error):
+ return
+
+ # We need to decode the items that we've base64 encoded
+ cached["response"]["body"] = _b64_decode_bytes(cached["response"]["body"])
+ cached["response"]["headers"] = dict(
+ (_b64_decode_str(k), _b64_decode_str(v))
+ for k, v in cached["response"]["headers"].items()
+ )
+ cached["response"]["reason"] = _b64_decode_str(cached["response"]["reason"])
+ cached["vary"] = dict(
+ (_b64_decode_str(k), _b64_decode_str(v) if v is not None else v)
+ for k, v in cached["vary"].items()
+ )
+
+ return self.prepare_response(request, cached)
+
+ def _loads_v3(self, request, data):
+ # Due to Python 2 encoding issues, it's impossible to know for sure
+ # exactly how to load v3 entries, thus we'll treat these as a miss so
+ # that they get rewritten out as v4 entries.
+ return
+
+ def _loads_v4(self, request, data):
+ try:
+ cached = msgpack.loads(data, raw=False)
+ except ValueError:
+ return
+
+ return self.prepare_response(request, cached)
diff --git a/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/wrapper.py b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/wrapper.py
new file mode 100644
index 0000000..d8e6fc6
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/cachecontrol/wrapper.py
@@ -0,0 +1,29 @@
+from .adapter import CacheControlAdapter
+from .cache import DictCache
+
+
+def CacheControl(
+ sess,
+ cache=None,
+ cache_etags=True,
+ serializer=None,
+ heuristic=None,
+ controller_class=None,
+ adapter_class=None,
+ cacheable_methods=None,
+):
+
+ cache = DictCache() if cache is None else cache
+ adapter_class = adapter_class or CacheControlAdapter
+ adapter = adapter_class(
+ cache,
+ cache_etags=cache_etags,
+ serializer=serializer,
+ heuristic=heuristic,
+ controller_class=controller_class,
+ cacheable_methods=cacheable_methods,
+ )
+ sess.mount("http://", adapter)
+ sess.mount("https://", adapter)
+
+ return sess
diff --git a/Scripts/Lib/site-packages/pip/_vendor/certifi/__init__.py b/Scripts/Lib/site-packages/pip/_vendor/certifi/__init__.py
new file mode 100644
index 0000000..eebdf88
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/certifi/__init__.py
@@ -0,0 +1,3 @@
+from .core import contents, where
+
+__version__ = "2021.05.30"
diff --git a/Scripts/Lib/site-packages/pip/_vendor/certifi/__main__.py b/Scripts/Lib/site-packages/pip/_vendor/certifi/__main__.py
new file mode 100644
index 0000000..0037634
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/certifi/__main__.py
@@ -0,0 +1,12 @@
+import argparse
+
+from pip._vendor.certifi import contents, where
+
+parser = argparse.ArgumentParser()
+parser.add_argument("-c", "--contents", action="store_true")
+args = parser.parse_args()
+
+if args.contents:
+ print(contents())
+else:
+ print(where())
diff --git a/Scripts/Lib/site-packages/pip/_vendor/certifi/__pycache__/__init__.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_vendor/certifi/__pycache__/__init__.cpython-310.pyc
new file mode 100644
index 0000000..8b2fe55
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diff --git a/Scripts/Lib/site-packages/pip/_vendor/certifi/__pycache__/__main__.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_vendor/certifi/__pycache__/__main__.cpython-310.pyc
new file mode 100644
index 0000000..cc022e1
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diff --git a/Scripts/Lib/site-packages/pip/_vendor/certifi/__pycache__/core.cpython-310.pyc b/Scripts/Lib/site-packages/pip/_vendor/certifi/__pycache__/core.cpython-310.pyc
new file mode 100644
index 0000000..876786f
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diff --git a/Scripts/Lib/site-packages/pip/_vendor/certifi/cacert.pem b/Scripts/Lib/site-packages/pip/_vendor/certifi/cacert.pem
new file mode 100644
index 0000000..96e2fc6
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/certifi/cacert.pem
@@ -0,0 +1,4257 @@
+
+# Issuer: CN=GlobalSign Root CA O=GlobalSign nv-sa OU=Root CA
+# Subject: CN=GlobalSign Root CA O=GlobalSign nv-sa OU=Root CA
+# Label: "GlobalSign Root CA"
+# Serial: 4835703278459707669005204
+# MD5 Fingerprint: 3e:45:52:15:09:51:92:e1:b7:5d:37:9f:b1:87:29:8a
+# SHA1 Fingerprint: b1:bc:96:8b:d4:f4:9d:62:2a:a8:9a:81:f2:15:01:52:a4:1d:82:9c
+# SHA256 Fingerprint: eb:d4:10:40:e4:bb:3e:c7:42:c9:e3:81:d3:1e:f2:a4:1a:48:b6:68:5c:96:e7:ce:f3:c1:df:6c:d4:33:1c:99
+-----BEGIN CERTIFICATE-----
+MIIDdTCCAl2gAwIBAgILBAAAAAABFUtaw5QwDQYJKoZIhvcNAQEFBQAwVzELMAkG
+A1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExEDAOBgNVBAsTB1Jv
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+HMUfpIBvFSDJ3gyICh3WZlXi/EjJKSZp4A==
+-----END CERTIFICATE-----
+
+# Issuer: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R2
+# Subject: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R2
+# Label: "GlobalSign Root CA - R2"
+# Serial: 4835703278459682885658125
+# MD5 Fingerprint: 94:14:77:7e:3e:5e:fd:8f:30:bd:41:b0:cf:e7:d0:30
+# SHA1 Fingerprint: 75:e0:ab:b6:13:85:12:27:1c:04:f8:5f:dd:de:38:e4:b7:24:2e:fe
+# SHA256 Fingerprint: ca:42:dd:41:74:5f:d0:b8:1e:b9:02:36:2c:f9:d8:bf:71:9d:a1:bd:1b:1e:fc:94:6f:5b:4c:99:f4:2c:1b:9e
+-----BEGIN CERTIFICATE-----
+MIIDujCCAqKgAwIBAgILBAAAAAABD4Ym5g0wDQYJKoZIhvcNAQEFBQAwTDEgMB4G
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Entrust.net Certification Authority (2048) O=Entrust.net OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)/(c) 1999 Entrust.net Limited
+# Subject: CN=Entrust.net Certification Authority (2048) O=Entrust.net OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)/(c) 1999 Entrust.net Limited
+# Label: "Entrust.net Premium 2048 Secure Server CA"
+# Serial: 946069240
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Baltimore CyberTrust Root O=Baltimore OU=CyberTrust
+# Subject: CN=Baltimore CyberTrust Root O=Baltimore OU=CyberTrust
+# Label: "Baltimore CyberTrust Root"
+# Serial: 33554617
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Entrust Root Certification Authority O=Entrust, Inc. OU=www.entrust.net/CPS is incorporated by reference/(c) 2006 Entrust, Inc.
+# Subject: CN=Entrust Root Certification Authority O=Entrust, Inc. OU=www.entrust.net/CPS is incorporated by reference/(c) 2006 Entrust, Inc.
+# Label: "Entrust Root Certification Authority"
+# Serial: 1164660820
+# MD5 Fingerprint: d6:a5:c3:ed:5d:dd:3e:00:c1:3d:87:92:1f:1d:3f:e4
+# SHA1 Fingerprint: b3:1e:b1:b7:40:e3:6c:84:02:da:dc:37:d4:4d:f5:d4:67:49:52:f9
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=AAA Certificate Services O=Comodo CA Limited
+# Subject: CN=AAA Certificate Services O=Comodo CA Limited
+# Label: "Comodo AAA Services root"
+# Serial: 1
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=QuoVadis Root CA 2 O=QuoVadis Limited
+# Subject: CN=QuoVadis Root CA 2 O=QuoVadis Limited
+# Label: "QuoVadis Root CA 2"
+# Serial: 1289
+# MD5 Fingerprint: 5e:39:7b:dd:f8:ba:ec:82:e9:ac:62:ba:0c:54:00:2b
+# SHA1 Fingerprint: ca:3a:fb:cf:12:40:36:4b:44:b2:16:20:88:80:48:39:19:93:7c:f7
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=QuoVadis Root CA 3 O=QuoVadis Limited
+# Subject: CN=QuoVadis Root CA 3 O=QuoVadis Limited
+# Label: "QuoVadis Root CA 3"
+# Serial: 1478
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+-----BEGIN CERTIFICATE-----
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+# Issuer: O=SECOM Trust.net OU=Security Communication RootCA1
+# Subject: O=SECOM Trust.net OU=Security Communication RootCA1
+# Label: "Security Communication Root CA"
+# Serial: 0
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=XRamp Global Certification Authority O=XRamp Security Services Inc OU=www.xrampsecurity.com
+# Subject: CN=XRamp Global Certification Authority O=XRamp Security Services Inc OU=www.xrampsecurity.com
+# Label: "XRamp Global CA Root"
+# Serial: 107108908803651509692980124233745014957
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+-----BEGIN CERTIFICATE-----
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+# Issuer: O=The Go Daddy Group, Inc. OU=Go Daddy Class 2 Certification Authority
+# Subject: O=The Go Daddy Group, Inc. OU=Go Daddy Class 2 Certification Authority
+# Label: "Go Daddy Class 2 CA"
+# Serial: 0
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: O=Starfield Technologies, Inc. OU=Starfield Class 2 Certification Authority
+# Subject: O=Starfield Technologies, Inc. OU=Starfield Class 2 Certification Authority
+# Label: "Starfield Class 2 CA"
+# Serial: 0
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=DigiCert Assured ID Root CA O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert Assured ID Root CA O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert Assured ID Root CA"
+# Serial: 17154717934120587862167794914071425081
+# MD5 Fingerprint: 87:ce:0b:7b:2a:0e:49:00:e1:58:71:9b:37:a8:93:72
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=DigiCert Global Root CA O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert Global Root CA O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert Global Root CA"
+# Serial: 10944719598952040374951832963794454346
+# MD5 Fingerprint: 79:e4:a9:84:0d:7d:3a:96:d7:c0:4f:e2:43:4c:89:2e
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=DigiCert High Assurance EV Root CA O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert High Assurance EV Root CA O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert High Assurance EV Root CA"
+# Serial: 3553400076410547919724730734378100087
+# MD5 Fingerprint: d4:74:de:57:5c:39:b2:d3:9c:85:83:c5:c0:65:49:8a
+# SHA1 Fingerprint: 5f:b7:ee:06:33:e2:59:db:ad:0c:4c:9a:e6:d3:8f:1a:61:c7:dc:25
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=DST Root CA X3 O=Digital Signature Trust Co.
+# Subject: CN=DST Root CA X3 O=Digital Signature Trust Co.
+# Label: "DST Root CA X3"
+# Serial: 91299735575339953335919266965803778155
+# MD5 Fingerprint: 41:03:52:dc:0f:f7:50:1b:16:f0:02:8e:ba:6f:45:c5
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=SwissSign Gold CA - G2 O=SwissSign AG
+# Subject: CN=SwissSign Gold CA - G2 O=SwissSign AG
+# Label: "SwissSign Gold CA - G2"
+# Serial: 13492815561806991280
+# MD5 Fingerprint: 24:77:d9:a8:91:d1:3b:fa:88:2d:c2:ff:f8:cd:33:93
+# SHA1 Fingerprint: d8:c5:38:8a:b7:30:1b:1b:6e:d4:7a:e6:45:25:3a:6f:9f:1a:27:61
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=SwissSign Silver CA - G2 O=SwissSign AG
+# Subject: CN=SwissSign Silver CA - G2 O=SwissSign AG
+# Label: "SwissSign Silver CA - G2"
+# Serial: 5700383053117599563
+# MD5 Fingerprint: e0:06:a1:c9:7d:cf:c9:fc:0d:c0:56:75:96:d8:62:13
+# SHA1 Fingerprint: 9b:aa:e5:9f:56:ee:21:cb:43:5a:be:25:93:df:a7:f0:40:d1:1d:cb
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=SecureTrust CA O=SecureTrust Corporation
+# Subject: CN=SecureTrust CA O=SecureTrust Corporation
+# Label: "SecureTrust CA"
+# Serial: 17199774589125277788362757014266862032
+# MD5 Fingerprint: dc:32:c3:a7:6d:25:57:c7:68:09:9d:ea:2d:a9:a2:d1
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+# Issuer: CN=Secure Global CA O=SecureTrust Corporation
+# Subject: CN=Secure Global CA O=SecureTrust Corporation
+# Label: "Secure Global CA"
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=COMODO Certification Authority O=COMODO CA Limited
+# Subject: CN=COMODO Certification Authority O=COMODO CA Limited
+# Label: "COMODO Certification Authority"
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
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+# Issuer: CN=Network Solutions Certificate Authority O=Network Solutions L.L.C.
+# Subject: CN=Network Solutions Certificate Authority O=Network Solutions L.L.C.
+# Label: "Network Solutions Certificate Authority"
+# Serial: 116697915152937497490437556386812487904
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=COMODO ECC Certification Authority O=COMODO CA Limited
+# Subject: CN=COMODO ECC Certification Authority O=COMODO CA Limited
+# Label: "COMODO ECC Certification Authority"
+# Serial: 41578283867086692638256921589707938090
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=Certigna O=Dhimyotis
+# Subject: CN=Certigna O=Dhimyotis
+# Label: "Certigna"
+# Serial: 18364802974209362175
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Cybertrust Global Root O=Cybertrust, Inc
+# Subject: CN=Cybertrust Global Root O=Cybertrust, Inc
+# Label: "Cybertrust Global Root"
+# Serial: 4835703278459682877484360
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: O=Chunghwa Telecom Co., Ltd. OU=ePKI Root Certification Authority
+# Subject: O=Chunghwa Telecom Co., Ltd. OU=ePKI Root Certification Authority
+# Label: "ePKI Root Certification Authority"
+# Serial: 28956088682735189655030529057352760477
+# MD5 Fingerprint: 1b:2e:00:ca:26:06:90:3d:ad:fe:6f:15:68:d3:6b:b3
+# SHA1 Fingerprint: 67:65:0d:f1:7e:8e:7e:5b:82:40:a4:f4:56:4b:cf:e2:3d:69:c6:f0
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: O=certSIGN OU=certSIGN ROOT CA
+# Subject: O=certSIGN OU=certSIGN ROOT CA
+# Label: "certSIGN ROOT CA"
+# Serial: 35210227249154
+# MD5 Fingerprint: 18:98:c0:d6:e9:3a:fc:f9:b0:f5:0c:f7:4b:01:44:17
+# SHA1 Fingerprint: fa:b7:ee:36:97:26:62:fb:2d:b0:2a:f6:bf:03:fd:e8:7c:4b:2f:9b
+# SHA256 Fingerprint: ea:a9:62:c4:fa:4a:6b:af:eb:e4:15:19:6d:35:1c:cd:88:8d:4f:53:f3:fa:8a:e6:d7:c4:66:a9:4e:60:42:bb
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny O=NetLock Kft. OU=Tan\xfas\xedtv\xe1nykiad\xf3k (Certification Services)
+# Subject: CN=NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny O=NetLock Kft. OU=Tan\xfas\xedtv\xe1nykiad\xf3k (Certification Services)
+# Label: "NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny"
+# Serial: 80544274841616
+# MD5 Fingerprint: c5:a1:b7:ff:73:dd:d6:d7:34:32:18:df:fc:3c:ad:88
+# SHA1 Fingerprint: 06:08:3f:59:3f:15:a1:04:a0:69:a4:6b:a9:03:d0:06:b7:97:09:91
+# SHA256 Fingerprint: 6c:61:da:c3:a2:de:f0:31:50:6b:e0:36:d2:a6:fe:40:19:94:fb:d1:3d:f9:c8:d4:66:59:92:74:c4:46:ec:98
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Hongkong Post Root CA 1 O=Hongkong Post
+# Subject: CN=Hongkong Post Root CA 1 O=Hongkong Post
+# Label: "Hongkong Post Root CA 1"
+# Serial: 1000
+# MD5 Fingerprint: a8:0d:6f:39:78:b9:43:6d:77:42:6d:98:5a:cc:23:ca
+# SHA1 Fingerprint: d6:da:a8:20:8d:09:d2:15:4d:24:b5:2f:cb:34:6e:b2:58:b2:8a:58
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=SecureSign RootCA11 O=Japan Certification Services, Inc.
+# Subject: CN=SecureSign RootCA11 O=Japan Certification Services, Inc.
+# Label: "SecureSign RootCA11"
+# Serial: 1
+# MD5 Fingerprint: b7:52:74:e2:92:b4:80:93:f2:75:e4:cc:d7:f2:ea:26
+# SHA1 Fingerprint: 3b:c4:9f:48:f8:f3:73:a0:9c:1e:bd:f8:5b:b1:c3:65:c7:d8:11:b3
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Microsec e-Szigno Root CA 2009 O=Microsec Ltd.
+# Subject: CN=Microsec e-Szigno Root CA 2009 O=Microsec Ltd.
+# Label: "Microsec e-Szigno Root CA 2009"
+# Serial: 14014712776195784473
+# MD5 Fingerprint: f8:49:f4:03:bc:44:2d:83:be:48:69:7d:29:64:fc:b1
+# SHA1 Fingerprint: 89:df:74:fe:5c:f4:0f:4a:80:f9:e3:37:7d:54:da:91:e1:01:31:8e
+# SHA256 Fingerprint: 3c:5f:81:fe:a5:fa:b8:2c:64:bf:a2:ea:ec:af:cd:e8:e0:77:fc:86:20:a7:ca:e5:37:16:3d:f3:6e:db:f3:78
+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R3
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+# Label: "GlobalSign Root CA - R3"
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=Autoridad de Certificacion Firmaprofesional CIF A62634068
+# Subject: CN=Autoridad de Certificacion Firmaprofesional CIF A62634068
+# Label: "Autoridad de Certificacion Firmaprofesional CIF A62634068"
+# Serial: 6047274297262753887
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=Izenpe.com O=IZENPE S.A.
+# Subject: CN=Izenpe.com O=IZENPE S.A.
+# Label: "Izenpe.com"
+# Serial: 917563065490389241595536686991402621
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=Go Daddy Root Certificate Authority - G2 O=GoDaddy.com, Inc.
+# Subject: CN=Go Daddy Root Certificate Authority - G2 O=GoDaddy.com, Inc.
+# Label: "Go Daddy Root Certificate Authority - G2"
+# Serial: 0
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Starfield Root Certificate Authority - G2 O=Starfield Technologies, Inc.
+# Subject: CN=Starfield Root Certificate Authority - G2 O=Starfield Technologies, Inc.
+# Label: "Starfield Root Certificate Authority - G2"
+# Serial: 0
+# MD5 Fingerprint: d6:39:81:c6:52:7e:96:69:fc:fc:ca:66:ed:05:f2:96
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+-----BEGIN CERTIFICATE-----
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+# Label: "Starfield Services Root Certificate Authority - G2"
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+-----BEGIN CERTIFICATE-----
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+# Label: "AffirmTrust Commercial"
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+-----BEGIN CERTIFICATE-----
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+# Label: "AffirmTrust Networking"
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+# Label: "AffirmTrust Premium"
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+# Issuer: CN=AffirmTrust Premium ECC O=AffirmTrust
+# Subject: CN=AffirmTrust Premium ECC O=AffirmTrust
+# Label: "AffirmTrust Premium ECC"
+# Serial: 8401224907861490260
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=Certum Trusted Network CA O=Unizeto Technologies S.A. OU=Certum Certification Authority
+# Subject: CN=Certum Trusted Network CA O=Unizeto Technologies S.A. OU=Certum Certification Authority
+# Label: "Certum Trusted Network CA"
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=TWCA Root Certification Authority O=TAIWAN-CA OU=Root CA
+# Subject: CN=TWCA Root Certification Authority O=TAIWAN-CA OU=Root CA
+# Label: "TWCA Root Certification Authority"
+# Serial: 1
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: O=SECOM Trust Systems CO.,LTD. OU=Security Communication RootCA2
+# Subject: O=SECOM Trust Systems CO.,LTD. OU=Security Communication RootCA2
+# Label: "Security Communication RootCA2"
+# Serial: 0
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+-----BEGIN CERTIFICATE-----
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+# Label: "EC-ACC"
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Hellenic Academic and Research Institutions RootCA 2011 O=Hellenic Academic and Research Institutions Cert. Authority
+# Subject: CN=Hellenic Academic and Research Institutions RootCA 2011 O=Hellenic Academic and Research Institutions Cert. Authority
+# Label: "Hellenic Academic and Research Institutions RootCA 2011"
+# Serial: 0
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=Actalis Authentication Root CA O=Actalis S.p.A./03358520967
+# Subject: CN=Actalis Authentication Root CA O=Actalis S.p.A./03358520967
+# Label: "Actalis Authentication Root CA"
+# Serial: 6271844772424770508
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Buypass Class 2 Root CA O=Buypass AS-983163327
+# Subject: CN=Buypass Class 2 Root CA O=Buypass AS-983163327
+# Label: "Buypass Class 2 Root CA"
+# Serial: 2
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Buypass Class 3 Root CA O=Buypass AS-983163327
+# Subject: CN=Buypass Class 3 Root CA O=Buypass AS-983163327
+# Label: "Buypass Class 3 Root CA"
+# Serial: 2
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=T-TeleSec GlobalRoot Class 3 O=T-Systems Enterprise Services GmbH OU=T-Systems Trust Center
+# Subject: CN=T-TeleSec GlobalRoot Class 3 O=T-Systems Enterprise Services GmbH OU=T-Systems Trust Center
+# Label: "T-TeleSec GlobalRoot Class 3"
+# Serial: 1
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=D-TRUST Root Class 3 CA 2 2009 O=D-Trust GmbH
+# Subject: CN=D-TRUST Root Class 3 CA 2 2009 O=D-Trust GmbH
+# Label: "D-TRUST Root Class 3 CA 2 2009"
+# Serial: 623603
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=D-TRUST Root Class 3 CA 2 EV 2009 O=D-Trust GmbH
+# Subject: CN=D-TRUST Root Class 3 CA 2 EV 2009 O=D-Trust GmbH
+# Label: "D-TRUST Root Class 3 CA 2 EV 2009"
+# Serial: 623604
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=CA Disig Root R2 O=Disig a.s.
+# Subject: CN=CA Disig Root R2 O=Disig a.s.
+# Label: "CA Disig Root R2"
+# Serial: 10572350602393338211
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
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+# Subject: CN=ACCVRAIZ1 O=ACCV OU=PKIACCV
+# Label: "ACCVRAIZ1"
+# Serial: 6828503384748696800
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=TWCA Global Root CA O=TAIWAN-CA OU=Root CA
+# Subject: CN=TWCA Global Root CA O=TAIWAN-CA OU=Root CA
+# Label: "TWCA Global Root CA"
+# Serial: 3262
+# MD5 Fingerprint: f9:03:7e:cf:e6:9e:3c:73:7a:2a:90:07:69:ff:2b:96
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=TeliaSonera Root CA v1 O=TeliaSonera
+# Subject: CN=TeliaSonera Root CA v1 O=TeliaSonera
+# Label: "TeliaSonera Root CA v1"
+# Serial: 199041966741090107964904287217786801558
+# MD5 Fingerprint: 37:41:49:1b:18:56:9a:26:f5:ad:c2:66:fb:40:a5:4c
+# SHA1 Fingerprint: 43:13:bb:96:f1:d5:86:9b:c1:4e:6a:92:f6:cf:f6:34:69:87:82:37
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=E-Tugra Certification Authority O=E-Tu\u011fra EBG Bili\u015fim Teknolojileri ve Hizmetleri A.\u015e. OU=E-Tugra Sertifikasyon Merkezi
+# Subject: CN=E-Tugra Certification Authority O=E-Tu\u011fra EBG Bili\u015fim Teknolojileri ve Hizmetleri A.\u015e. OU=E-Tugra Sertifikasyon Merkezi
+# Label: "E-Tugra Certification Authority"
+# Serial: 7667447206703254355
+# MD5 Fingerprint: b8:a1:03:63:b0:bd:21:71:70:8a:6f:13:3a:bb:79:49
+# SHA1 Fingerprint: 51:c6:e7:08:49:06:6e:f3:92:d4:5c:a0:0d:6d:a3:62:8f:c3:52:39
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=T-TeleSec GlobalRoot Class 2 O=T-Systems Enterprise Services GmbH OU=T-Systems Trust Center
+# Subject: CN=T-TeleSec GlobalRoot Class 2 O=T-Systems Enterprise Services GmbH OU=T-Systems Trust Center
+# Label: "T-TeleSec GlobalRoot Class 2"
+# Serial: 1
+# MD5 Fingerprint: 2b:9b:9e:e4:7b:6c:1f:00:72:1a:cc:c1:77:79:df:6a
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Atos TrustedRoot 2011 O=Atos
+# Subject: CN=Atos TrustedRoot 2011 O=Atos
+# Label: "Atos TrustedRoot 2011"
+# Serial: 6643877497813316402
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=QuoVadis Root CA 1 G3 O=QuoVadis Limited
+# Subject: CN=QuoVadis Root CA 1 G3 O=QuoVadis Limited
+# Label: "QuoVadis Root CA 1 G3"
+# Serial: 687049649626669250736271037606554624078720034195
+# MD5 Fingerprint: a4:bc:5b:3f:fe:37:9a:fa:64:f0:e2:fa:05:3d:0b:ab
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=QuoVadis Root CA 2 G3 O=QuoVadis Limited
+# Subject: CN=QuoVadis Root CA 2 G3 O=QuoVadis Limited
+# Label: "QuoVadis Root CA 2 G3"
+# Serial: 390156079458959257446133169266079962026824725800
+# MD5 Fingerprint: af:0c:86:6e:bf:40:2d:7f:0b:3e:12:50:ba:12:3d:06
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=QuoVadis Root CA 3 G3 O=QuoVadis Limited
+# Subject: CN=QuoVadis Root CA 3 G3 O=QuoVadis Limited
+# Label: "QuoVadis Root CA 3 G3"
+# Serial: 268090761170461462463995952157327242137089239581
+# MD5 Fingerprint: df:7d:b9:ad:54:6f:68:a1:df:89:57:03:97:43:b0:d7
+# SHA1 Fingerprint: 48:12:bd:92:3c:a8:c4:39:06:e7:30:6d:27:96:e6:a4:cf:22:2e:7d
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=DigiCert Assured ID Root G2 O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert Assured ID Root G2 O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert Assured ID Root G2"
+# Serial: 15385348160840213938643033620894905419
+# MD5 Fingerprint: 92:38:b9:f8:63:24:82:65:2c:57:33:e6:fe:81:8f:9d
+# SHA1 Fingerprint: a1:4b:48:d9:43:ee:0a:0e:40:90:4f:3c:e0:a4:c0:91:93:51:5d:3f
+# SHA256 Fingerprint: 7d:05:eb:b6:82:33:9f:8c:94:51:ee:09:4e:eb:fe:fa:79:53:a1:14:ed:b2:f4:49:49:45:2f:ab:7d:2f:c1:85
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=DigiCert Assured ID Root G3 O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert Assured ID Root G3 O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert Assured ID Root G3"
+# Serial: 15459312981008553731928384953135426796
+# MD5 Fingerprint: 7c:7f:65:31:0c:81:df:8d:ba:3e:99:e2:5c:ad:6e:fb
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=DigiCert Global Root G2 O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert Global Root G2 O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert Global Root G2"
+# Serial: 4293743540046975378534879503202253541
+# MD5 Fingerprint: e4:a6:8a:c8:54:ac:52:42:46:0a:fd:72:48:1b:2a:44
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=DigiCert Global Root G3 O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert Global Root G3 O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert Global Root G3"
+# Serial: 7089244469030293291760083333884364146
+# MD5 Fingerprint: f5:5d:a4:50:a5:fb:28:7e:1e:0f:0d:cc:96:57:56:ca
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=DigiCert Trusted Root G4 O=DigiCert Inc OU=www.digicert.com
+# Subject: CN=DigiCert Trusted Root G4 O=DigiCert Inc OU=www.digicert.com
+# Label: "DigiCert Trusted Root G4"
+# Serial: 7451500558977370777930084869016614236
+# MD5 Fingerprint: 78:f2:fc:aa:60:1f:2f:b4:eb:c9:37:ba:53:2e:75:49
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=COMODO RSA Certification Authority O=COMODO CA Limited
+# Subject: CN=COMODO RSA Certification Authority O=COMODO CA Limited
+# Label: "COMODO RSA Certification Authority"
+# Serial: 101909084537582093308941363524873193117
+# MD5 Fingerprint: 1b:31:b0:71:40:36:cc:14:36:91:ad:c4:3e:fd:ec:18
+# SHA1 Fingerprint: af:e5:d2:44:a8:d1:19:42:30:ff:47:9f:e2:f8:97:bb:cd:7a:8c:b4
+# SHA256 Fingerprint: 52:f0:e1:c4:e5:8e:c6:29:29:1b:60:31:7f:07:46:71:b8:5d:7e:a8:0d:5b:07:27:34:63:53:4b:32:b4:02:34
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=USERTrust RSA Certification Authority O=The USERTRUST Network
+# Subject: CN=USERTrust RSA Certification Authority O=The USERTRUST Network
+# Label: "USERTrust RSA Certification Authority"
+# Serial: 2645093764781058787591871645665788717
+# MD5 Fingerprint: 1b:fe:69:d1:91:b7:19:33:a3:72:a8:0f:e1:55:e5:b5
+# SHA1 Fingerprint: 2b:8f:1b:57:33:0d:bb:a2:d0:7a:6c:51:f7:0e:e9:0d:da:b9:ad:8e
+# SHA256 Fingerprint: e7:93:c9:b0:2f:d8:aa:13:e2:1c:31:22:8a:cc:b0:81:19:64:3b:74:9c:89:89:64:b1:74:6d:46:c3:d4:cb:d2
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=USERTrust ECC Certification Authority O=The USERTRUST Network
+# Subject: CN=USERTrust ECC Certification Authority O=The USERTRUST Network
+# Label: "USERTrust ECC Certification Authority"
+# Serial: 123013823720199481456569720443997572134
+# MD5 Fingerprint: fa:68:bc:d9:b5:7f:ad:fd:c9:1d:06:83:28:cc:24:c1
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=GlobalSign O=GlobalSign OU=GlobalSign ECC Root CA - R4
+# Subject: CN=GlobalSign O=GlobalSign OU=GlobalSign ECC Root CA - R4
+# Label: "GlobalSign ECC Root CA - R4"
+# Serial: 14367148294922964480859022125800977897474
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=GlobalSign O=GlobalSign OU=GlobalSign ECC Root CA - R5
+# Subject: CN=GlobalSign O=GlobalSign OU=GlobalSign ECC Root CA - R5
+# Label: "GlobalSign ECC Root CA - R5"
+# Serial: 32785792099990507226680698011560947931244
+# MD5 Fingerprint: 9f:ad:3b:1c:02:1e:8a:ba:17:74:38:81:0c:a2:bc:08
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Staat der Nederlanden EV Root CA O=Staat der Nederlanden
+# Subject: CN=Staat der Nederlanden EV Root CA O=Staat der Nederlanden
+# Label: "Staat der Nederlanden EV Root CA"
+# Serial: 10000013
+# MD5 Fingerprint: fc:06:af:7b:e8:1a:f1:9a:b4:e8:d2:70:1f:c0:f5:ba
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=IdenTrust Commercial Root CA 1 O=IdenTrust
+# Subject: CN=IdenTrust Commercial Root CA 1 O=IdenTrust
+# Label: "IdenTrust Commercial Root CA 1"
+# Serial: 13298821034946342390520003877796839426
+# MD5 Fingerprint: b3:3e:77:73:75:ee:a0:d3:e3:7e:49:63:49:59:bb:c7
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=IdenTrust Public Sector Root CA 1 O=IdenTrust
+# Subject: CN=IdenTrust Public Sector Root CA 1 O=IdenTrust
+# Label: "IdenTrust Public Sector Root CA 1"
+# Serial: 13298821034946342390521976156843933698
+# MD5 Fingerprint: 37:06:a5:b0:fc:89:9d:ba:f4:6b:8c:1a:64:cd:d5:ba
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Entrust Root Certification Authority - G2 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2009 Entrust, Inc. - for authorized use only
+# Subject: CN=Entrust Root Certification Authority - G2 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2009 Entrust, Inc. - for authorized use only
+# Label: "Entrust Root Certification Authority - G2"
+# Serial: 1246989352
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Entrust Root Certification Authority - EC1 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2012 Entrust, Inc. - for authorized use only
+# Subject: CN=Entrust Root Certification Authority - EC1 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2012 Entrust, Inc. - for authorized use only
+# Label: "Entrust Root Certification Authority - EC1"
+# Serial: 51543124481930649114116133369
+# MD5 Fingerprint: b6:7e:1d:f0:58:c5:49:6c:24:3b:3d:ed:98:18:ed:bc
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=CFCA EV ROOT O=China Financial Certification Authority
+# Subject: CN=CFCA EV ROOT O=China Financial Certification Authority
+# Label: "CFCA EV ROOT"
+# Serial: 407555286
+# MD5 Fingerprint: 74:e1:b6:ed:26:7a:7a:44:30:33:94:ab:7b:27:81:30
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=OISTE WISeKey Global Root GB CA O=WISeKey OU=OISTE Foundation Endorsed
+# Subject: CN=OISTE WISeKey Global Root GB CA O=WISeKey OU=OISTE Foundation Endorsed
+# Label: "OISTE WISeKey Global Root GB CA"
+# Serial: 157768595616588414422159278966750757568
+# MD5 Fingerprint: a4:eb:b9:61:28:2e:b7:2f:98:b0:35:26:90:99:51:1d
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=SZAFIR ROOT CA2 O=Krajowa Izba Rozliczeniowa S.A.
+# Subject: CN=SZAFIR ROOT CA2 O=Krajowa Izba Rozliczeniowa S.A.
+# Label: "SZAFIR ROOT CA2"
+# Serial: 357043034767186914217277344587386743377558296292
+# MD5 Fingerprint: 11:64:c1:89:b0:24:b1:8c:b1:07:7e:89:9e:51:9e:99
+# SHA1 Fingerprint: e2:52:fa:95:3f:ed:db:24:60:bd:6e:28:f3:9c:cc:cf:5e:b3:3f:de
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
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+# Issuer: CN=Certum Trusted Network CA 2 O=Unizeto Technologies S.A. OU=Certum Certification Authority
+# Subject: CN=Certum Trusted Network CA 2 O=Unizeto Technologies S.A. OU=Certum Certification Authority
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+# Label: "Hellenic Academic and Research Institutions RootCA 2015"
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+# Issuer: CN=Hellenic Academic and Research Institutions ECC RootCA 2015 O=Hellenic Academic and Research Institutions Cert. Authority
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+# Label: "Hellenic Academic and Research Institutions ECC RootCA 2015"
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Amazon Root CA 1 O=Amazon
+# Subject: CN=Amazon Root CA 1 O=Amazon
+# Label: "Amazon Root CA 1"
+# Serial: 143266978916655856878034712317230054538369994
+# MD5 Fingerprint: 43:c6:bf:ae:ec:fe:ad:2f:18:c6:88:68:30:fc:c8:e6
+# SHA1 Fingerprint: 8d:a7:f9:65:ec:5e:fc:37:91:0f:1c:6e:59:fd:c1:cc:6a:6e:de:16
+# SHA256 Fingerprint: 8e:cd:e6:88:4f:3d:87:b1:12:5b:a3:1a:c3:fc:b1:3d:70:16:de:7f:57:cc:90:4f:e1:cb:97:c6:ae:98:19:6e
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Amazon Root CA 2 O=Amazon
+# Subject: CN=Amazon Root CA 2 O=Amazon
+# Label: "Amazon Root CA 2"
+# Serial: 143266982885963551818349160658925006970653239
+# MD5 Fingerprint: c8:e5:8d:ce:a8:42:e2:7a:c0:2a:5c:7c:9e:26:bf:66
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Amazon Root CA 3 O=Amazon
+# Subject: CN=Amazon Root CA 3 O=Amazon
+# Label: "Amazon Root CA 3"
+# Serial: 143266986699090766294700635381230934788665930
+# MD5 Fingerprint: a0:d4:ef:0b:f7:b5:d8:49:95:2a:ec:f5:c4:fc:81:87
+# SHA1 Fingerprint: 0d:44:dd:8c:3c:8c:1a:1a:58:75:64:81:e9:0f:2e:2a:ff:b3:d2:6e
+# SHA256 Fingerprint: 18:ce:6c:fe:7b:f1:4e:60:b2:e3:47:b8:df:e8:68:cb:31:d0:2e:bb:3a:da:27:15:69:f5:03:43:b4:6d:b3:a4
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Amazon Root CA 4 O=Amazon
+# Subject: CN=Amazon Root CA 4 O=Amazon
+# Label: "Amazon Root CA 4"
+# Serial: 143266989758080763974105200630763877849284878
+# MD5 Fingerprint: 89:bc:27:d5:eb:17:8d:06:6a:69:d5:fd:89:47:b4:cd
+# SHA1 Fingerprint: f6:10:84:07:d6:f8:bb:67:98:0c:c2:e2:44:c2:eb:ae:1c:ef:63:be
+# SHA256 Fingerprint: e3:5d:28:41:9e:d0:20:25:cf:a6:90:38:cd:62:39:62:45:8d:a5:c6:95:fb:de:a3:c2:2b:0b:fb:25:89:70:92
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1 O=Turkiye Bilimsel ve Teknolojik Arastirma Kurumu - TUBITAK OU=Kamu Sertifikasyon Merkezi - Kamu SM
+# Subject: CN=TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1 O=Turkiye Bilimsel ve Teknolojik Arastirma Kurumu - TUBITAK OU=Kamu Sertifikasyon Merkezi - Kamu SM
+# Label: "TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1"
+# Serial: 1
+# MD5 Fingerprint: dc:00:81:dc:69:2f:3e:2f:b0:3b:f6:3d:5a:91:8e:49
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=GDCA TrustAUTH R5 ROOT O=GUANG DONG CERTIFICATE AUTHORITY CO.,LTD.
+# Subject: CN=GDCA TrustAUTH R5 ROOT O=GUANG DONG CERTIFICATE AUTHORITY CO.,LTD.
+# Label: "GDCA TrustAUTH R5 ROOT"
+# Serial: 9009899650740120186
+# MD5 Fingerprint: 63:cc:d9:3d:34:35:5c:6f:53:a3:e2:08:70:48:1f:b4
+# SHA1 Fingerprint: 0f:36:38:5b:81:1a:25:c3:9b:31:4e:83:ca:e9:34:66:70:cc:74:b4
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=TrustCor RootCert CA-1 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority
+# Subject: CN=TrustCor RootCert CA-1 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority
+# Label: "TrustCor RootCert CA-1"
+# Serial: 15752444095811006489
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+# Issuer: CN=TrustCor RootCert CA-2 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority
+# Subject: CN=TrustCor RootCert CA-2 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority
+# Label: "TrustCor RootCert CA-2"
+# Serial: 2711694510199101698
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=TrustCor ECA-1 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority
+# Subject: CN=TrustCor ECA-1 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority
+# Label: "TrustCor ECA-1"
+# Serial: 9548242946988625984
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=SSL.com Root Certification Authority RSA O=SSL Corporation
+# Subject: CN=SSL.com Root Certification Authority RSA O=SSL Corporation
+# Label: "SSL.com Root Certification Authority RSA"
+# Serial: 8875640296558310041
+# MD5 Fingerprint: 86:69:12:c0:70:f1:ec:ac:ac:c2:d5:bc:a5:5b:a1:29
+# SHA1 Fingerprint: b7:ab:33:08:d1:ea:44:77:ba:14:80:12:5a:6f:bd:a9:36:49:0c:bb
+# SHA256 Fingerprint: 85:66:6a:56:2e:e0:be:5c:e9:25:c1:d8:89:0a:6f:76:a8:7e:c1:6d:4d:7d:5f:29:ea:74:19:cf:20:12:3b:69
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=SSL.com Root Certification Authority ECC O=SSL Corporation
+# Subject: CN=SSL.com Root Certification Authority ECC O=SSL Corporation
+# Label: "SSL.com Root Certification Authority ECC"
+# Serial: 8495723813297216424
+# MD5 Fingerprint: 2e:da:e4:39:7f:9c:8f:37:d1:70:9f:26:17:51:3a:8e
+# SHA1 Fingerprint: c3:19:7c:39:24:e6:54:af:1b:c4:ab:20:95:7a:e2:c3:0e:13:02:6a
+# SHA256 Fingerprint: 34:17:bb:06:cc:60:07:da:1b:96:1c:92:0b:8a:b4:ce:3f:ad:82:0e:4a:a3:0b:9a:cb:c4:a7:4e:bd:ce:bc:65
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=SSL.com EV Root Certification Authority RSA R2 O=SSL Corporation
+# Subject: CN=SSL.com EV Root Certification Authority RSA R2 O=SSL Corporation
+# Label: "SSL.com EV Root Certification Authority RSA R2"
+# Serial: 6248227494352943350
+# MD5 Fingerprint: e1:1e:31:58:1a:ae:54:53:02:f6:17:6a:11:7b:4d:95
+# SHA1 Fingerprint: 74:3a:f0:52:9b:d0:32:a0:f4:4a:83:cd:d4:ba:a9:7b:7c:2e:c4:9a
+# SHA256 Fingerprint: 2e:7b:f1:6c:c2:24:85:a7:bb:e2:aa:86:96:75:07:61:b0:ae:39:be:3b:2f:e9:d0:cc:6d:4e:f7:34:91:42:5c
+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=SSL.com EV Root Certification Authority ECC O=SSL Corporation
+# Subject: CN=SSL.com EV Root Certification Authority ECC O=SSL Corporation
+# Label: "SSL.com EV Root Certification Authority ECC"
+# Serial: 3182246526754555285
+# MD5 Fingerprint: 59:53:22:65:83:42:01:54:c0:ce:42:b9:5a:7c:f2:90
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R6
+# Subject: CN=GlobalSign O=GlobalSign OU=GlobalSign Root CA - R6
+# Label: "GlobalSign Root CA - R6"
+# Serial: 1417766617973444989252670301619537
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=OISTE WISeKey Global Root GC CA O=WISeKey OU=OISTE Foundation Endorsed
+# Subject: CN=OISTE WISeKey Global Root GC CA O=WISeKey OU=OISTE Foundation Endorsed
+# Label: "OISTE WISeKey Global Root GC CA"
+# Serial: 44084345621038548146064804565436152554
+# MD5 Fingerprint: a9:d6:b9:2d:2f:93:64:f8:a5:69:ca:91:e9:68:07:23
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=GTS Root R1 O=Google Trust Services LLC
+# Subject: CN=GTS Root R1 O=Google Trust Services LLC
+# Label: "GTS Root R1"
+# Serial: 146587175971765017618439757810265552097
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=GTS Root R2 O=Google Trust Services LLC
+# Subject: CN=GTS Root R2 O=Google Trust Services LLC
+# Label: "GTS Root R2"
+# Serial: 146587176055767053814479386953112547951
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=GTS Root R3 O=Google Trust Services LLC
+# Subject: CN=GTS Root R3 O=Google Trust Services LLC
+# Label: "GTS Root R3"
+# Serial: 146587176140553309517047991083707763997
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=GTS Root R4 O=Google Trust Services LLC
+# Subject: CN=GTS Root R4 O=Google Trust Services LLC
+# Label: "GTS Root R4"
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=UCA Global G2 Root O=UniTrust
+# Subject: CN=UCA Global G2 Root O=UniTrust
+# Label: "UCA Global G2 Root"
+# Serial: 124779693093741543919145257850076631279
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=UCA Extended Validation Root O=UniTrust
+# Subject: CN=UCA Extended Validation Root O=UniTrust
+# Label: "UCA Extended Validation Root"
+# Serial: 106100277556486529736699587978573607008
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Certigna Root CA O=Dhimyotis OU=0002 48146308100036
+# Subject: CN=Certigna Root CA O=Dhimyotis OU=0002 48146308100036
+# Label: "Certigna Root CA"
+# Serial: 269714418870597844693661054334862075617
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=emSign Root CA - G1 O=eMudhra Technologies Limited OU=emSign PKI
+# Subject: CN=emSign Root CA - G1 O=eMudhra Technologies Limited OU=emSign PKI
+# Label: "emSign Root CA - G1"
+# Serial: 235931866688319308814040
+# MD5 Fingerprint: 9c:42:84:57:dd:cb:0b:a7:2e:95:ad:b6:f3:da:bc:ac
+# SHA1 Fingerprint: 8a:c7:ad:8f:73:ac:4e:c1:b5:75:4d:a5:40:f4:fc:cf:7c:b5:8e:8c
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+-----BEGIN CERTIFICATE-----
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+# Subject: CN=emSign ECC Root CA - G3 O=eMudhra Technologies Limited OU=emSign PKI
+# Label: "emSign ECC Root CA - G3"
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+-----BEGIN CERTIFICATE-----
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+# Subject: CN=emSign Root CA - C1 O=eMudhra Inc OU=emSign PKI
+# Label: "emSign Root CA - C1"
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=emSign ECC Root CA - C3 O=eMudhra Inc OU=emSign PKI
+# Subject: CN=emSign ECC Root CA - C3 O=eMudhra Inc OU=emSign PKI
+# Label: "emSign ECC Root CA - C3"
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+# Issuer: CN=Hongkong Post Root CA 3 O=Hongkong Post
+# Subject: CN=Hongkong Post Root CA 3 O=Hongkong Post
+# Label: "Hongkong Post Root CA 3"
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Entrust Root Certification Authority - G4 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2015 Entrust, Inc. - for authorized use only
+# Subject: CN=Entrust Root Certification Authority - G4 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2015 Entrust, Inc. - for authorized use only
+# Label: "Entrust Root Certification Authority - G4"
+# Serial: 289383649854506086828220374796556676440
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Microsoft ECC Root Certificate Authority 2017 O=Microsoft Corporation
+# Subject: CN=Microsoft ECC Root Certificate Authority 2017 O=Microsoft Corporation
+# Label: "Microsoft ECC Root Certificate Authority 2017"
+# Serial: 136839042543790627607696632466672567020
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Microsoft RSA Root Certificate Authority 2017 O=Microsoft Corporation
+# Subject: CN=Microsoft RSA Root Certificate Authority 2017 O=Microsoft Corporation
+# Label: "Microsoft RSA Root Certificate Authority 2017"
+# Serial: 40975477897264996090493496164228220339
+# MD5 Fingerprint: 10:ff:00:ff:cf:c9:f8:c7:7a:c0:ee:35:8e:c9:0f:47
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=e-Szigno Root CA 2017 O=Microsec Ltd.
+# Subject: CN=e-Szigno Root CA 2017 O=Microsec Ltd.
+# Label: "e-Szigno Root CA 2017"
+# Serial: 411379200276854331539784714
+# MD5 Fingerprint: de:1f:f6:9e:84:ae:a7:b4:21:ce:1e:58:7d:d1:84:98
+# SHA1 Fingerprint: 89:d4:83:03:4f:9e:9a:48:80:5f:72:37:d4:a9:a6:ef:cb:7c:1f:d1
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
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+# Issuer: O=CERTSIGN SA OU=certSIGN ROOT CA G2
+# Subject: O=CERTSIGN SA OU=certSIGN ROOT CA G2
+# Label: "certSIGN Root CA G2"
+# Serial: 313609486401300475190
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=Trustwave Global Certification Authority O=Trustwave Holdings, Inc.
+# Subject: CN=Trustwave Global Certification Authority O=Trustwave Holdings, Inc.
+# Label: "Trustwave Global Certification Authority"
+# Serial: 1846098327275375458322922162
+# MD5 Fingerprint: f8:1c:18:2d:2f:ba:5f:6d:a1:6c:bc:c7:ab:91:c7:0e
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Trustwave Global ECC P256 Certification Authority O=Trustwave Holdings, Inc.
+# Subject: CN=Trustwave Global ECC P256 Certification Authority O=Trustwave Holdings, Inc.
+# Label: "Trustwave Global ECC P256 Certification Authority"
+# Serial: 4151900041497450638097112925
+# MD5 Fingerprint: 5b:44:e3:8d:5d:36:86:26:e8:0d:05:d2:59:a7:83:54
+# SHA1 Fingerprint: b4:90:82:dd:45:0c:be:8b:5b:b1:66:d3:e2:a4:08:26:cd:ed:42:cf
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Trustwave Global ECC P384 Certification Authority O=Trustwave Holdings, Inc.
+# Subject: CN=Trustwave Global ECC P384 Certification Authority O=Trustwave Holdings, Inc.
+# Label: "Trustwave Global ECC P384 Certification Authority"
+# Serial: 2704997926503831671788816187
+# MD5 Fingerprint: ea:cf:60:c4:3b:b9:15:29:40:a1:97:ed:78:27:93:d6
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=NAVER Global Root Certification Authority O=NAVER BUSINESS PLATFORM Corp.
+# Subject: CN=NAVER Global Root Certification Authority O=NAVER BUSINESS PLATFORM Corp.
+# Label: "NAVER Global Root Certification Authority"
+# Serial: 9013692873798656336226253319739695165984492813
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=AC RAIZ FNMT-RCM SERVIDORES SEGUROS O=FNMT-RCM OU=Ceres
+# Subject: CN=AC RAIZ FNMT-RCM SERVIDORES SEGUROS O=FNMT-RCM OU=Ceres
+# Label: "AC RAIZ FNMT-RCM SERVIDORES SEGUROS"
+# Serial: 131542671362353147877283741781055151509
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+-----BEGIN CERTIFICATE-----
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+# Issuer: CN=GlobalSign Root R46 O=GlobalSign nv-sa
+# Subject: CN=GlobalSign Root R46 O=GlobalSign nv-sa
+# Label: "GlobalSign Root R46"
+# Serial: 1552617688466950547958867513931858518042577
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+-----BEGIN CERTIFICATE-----
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+
+# Issuer: CN=GlobalSign Root E46 O=GlobalSign nv-sa
+# Subject: CN=GlobalSign Root E46 O=GlobalSign nv-sa
+# Label: "GlobalSign Root E46"
+# Serial: 1552617690338932563915843282459653771421763
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=GLOBALTRUST 2020 O=e-commerce monitoring GmbH
+# Subject: CN=GLOBALTRUST 2020 O=e-commerce monitoring GmbH
+# Label: "GLOBALTRUST 2020"
+# Serial: 109160994242082918454945253
+# MD5 Fingerprint: 8a:c7:6f:cb:6d:e3:cc:a2:f1:7c:83:fa:0e:78:d7:e8
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=ANF Secure Server Root CA O=ANF Autoridad de Certificacion OU=ANF CA Raiz
+# Subject: CN=ANF Secure Server Root CA O=ANF Autoridad de Certificacion OU=ANF CA Raiz
+# Label: "ANF Secure Server Root CA"
+# Serial: 996390341000653745
+# MD5 Fingerprint: 26:a6:44:5a:d9:af:4e:2f:b2:1d:b6:65:b0:4e:e8:96
+# SHA1 Fingerprint: 5b:6e:68:d0:cc:15:b6:a0:5f:1e:c1:5f:ae:02:fc:6b:2f:5d:6f:74
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Certum EC-384 CA O=Asseco Data Systems S.A. OU=Certum Certification Authority
+# Subject: CN=Certum EC-384 CA O=Asseco Data Systems S.A. OU=Certum Certification Authority
+# Label: "Certum EC-384 CA"
+# Serial: 160250656287871593594747141429395092468
+# MD5 Fingerprint: b6:65:b3:96:60:97:12:a1:ec:4e:e1:3d:a3:c6:c9:f1
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+
+# Issuer: CN=Certum Trusted Root CA O=Asseco Data Systems S.A. OU=Certum Certification Authority
+# Subject: CN=Certum Trusted Root CA O=Asseco Data Systems S.A. OU=Certum Certification Authority
+# Label: "Certum Trusted Root CA"
+# Serial: 40870380103424195783807378461123655149
+# MD5 Fingerprint: 51:e1:c2:e7:fe:4c:84:af:59:0e:2f:f4:54:6f:ea:29
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diff --git a/Scripts/Lib/site-packages/pip/_vendor/certifi/core.py b/Scripts/Lib/site-packages/pip/_vendor/certifi/core.py
new file mode 100644
index 0000000..b8140cf
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/certifi/core.py
@@ -0,0 +1,76 @@
+# -*- coding: utf-8 -*-
+
+"""
+certifi.py
+~~~~~~~~~~
+
+This module returns the installation location of cacert.pem or its contents.
+"""
+import os
+
+
+class _PipPatchedCertificate(Exception):
+ pass
+
+
+try:
+ # Return a certificate file on disk for a standalone pip zipapp running in
+ # an isolated build environment to use. Passing --cert to the standalone
+ # pip does not work since requests calls where() unconditionally on import.
+ _PIP_STANDALONE_CERT = os.environ.get("_PIP_STANDALONE_CERT")
+ if _PIP_STANDALONE_CERT:
+ def where():
+ return _PIP_STANDALONE_CERT
+ raise _PipPatchedCertificate()
+
+ from importlib.resources import path as get_path, read_text
+
+ _CACERT_CTX = None
+ _CACERT_PATH = None
+
+ def where():
+ # This is slightly terrible, but we want to delay extracting the file
+ # in cases where we're inside of a zipimport situation until someone
+ # actually calls where(), but we don't want to re-extract the file
+ # on every call of where(), so we'll do it once then store it in a
+ # global variable.
+ global _CACERT_CTX
+ global _CACERT_PATH
+ if _CACERT_PATH is None:
+ # This is slightly janky, the importlib.resources API wants you to
+ # manage the cleanup of this file, so it doesn't actually return a
+ # path, it returns a context manager that will give you the path
+ # when you enter it and will do any cleanup when you leave it. In
+ # the common case of not needing a temporary file, it will just
+ # return the file system location and the __exit__() is a no-op.
+ #
+ # We also have to hold onto the actual context manager, because
+ # it will do the cleanup whenever it gets garbage collected, so
+ # we will also store that at the global level as well.
+ _CACERT_CTX = get_path("pip._vendor.certifi", "cacert.pem")
+ _CACERT_PATH = str(_CACERT_CTX.__enter__())
+
+ return _CACERT_PATH
+
+except _PipPatchedCertificate:
+ pass
+
+except ImportError:
+ # This fallback will work for Python versions prior to 3.7 that lack the
+ # importlib.resources module but relies on the existing `where` function
+ # so won't address issues with environments like PyOxidizer that don't set
+ # __file__ on modules.
+ def read_text(_module, _path, encoding="ascii"):
+ with open(where(), "r", encoding=encoding) as data:
+ return data.read()
+
+ # If we don't have importlib.resources, then we will just do the old logic
+ # of assuming we're on the filesystem and munge the path directly.
+ def where():
+ f = os.path.dirname(__file__)
+
+ return os.path.join(f, "cacert.pem")
+
+
+def contents():
+ return read_text("certifi", "cacert.pem", encoding="ascii")
diff --git a/Scripts/Lib/site-packages/pip/_vendor/chardet/__init__.py b/Scripts/Lib/site-packages/pip/_vendor/chardet/__init__.py
new file mode 100644
index 0000000..80ad254
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/chardet/__init__.py
@@ -0,0 +1,83 @@
+######################## BEGIN LICENSE BLOCK ########################
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301 USA
+######################### END LICENSE BLOCK #########################
+
+
+from .universaldetector import UniversalDetector
+from .enums import InputState
+from .version import __version__, VERSION
+
+
+__all__ = ['UniversalDetector', 'detect', 'detect_all', '__version__', 'VERSION']
+
+
+def detect(byte_str):
+ """
+ Detect the encoding of the given byte string.
+
+ :param byte_str: The byte sequence to examine.
+ :type byte_str: ``bytes`` or ``bytearray``
+ """
+ if not isinstance(byte_str, bytearray):
+ if not isinstance(byte_str, bytes):
+ raise TypeError('Expected object of type bytes or bytearray, got: '
+ '{}'.format(type(byte_str)))
+ else:
+ byte_str = bytearray(byte_str)
+ detector = UniversalDetector()
+ detector.feed(byte_str)
+ return detector.close()
+
+
+def detect_all(byte_str):
+ """
+ Detect all the possible encodings of the given byte string.
+
+ :param byte_str: The byte sequence to examine.
+ :type byte_str: ``bytes`` or ``bytearray``
+ """
+ if not isinstance(byte_str, bytearray):
+ if not isinstance(byte_str, bytes):
+ raise TypeError('Expected object of type bytes or bytearray, got: '
+ '{}'.format(type(byte_str)))
+ else:
+ byte_str = bytearray(byte_str)
+
+ detector = UniversalDetector()
+ detector.feed(byte_str)
+ detector.close()
+
+ if detector._input_state == InputState.HIGH_BYTE:
+ results = []
+ for prober in detector._charset_probers:
+ if prober.get_confidence() > detector.MINIMUM_THRESHOLD:
+ charset_name = prober.charset_name
+ lower_charset_name = prober.charset_name.lower()
+ # Use Windows encoding name instead of ISO-8859 if we saw any
+ # extra Windows-specific bytes
+ if lower_charset_name.startswith('iso-8859'):
+ if detector._has_win_bytes:
+ charset_name = detector.ISO_WIN_MAP.get(lower_charset_name,
+ charset_name)
+ results.append({
+ 'encoding': charset_name,
+ 'confidence': prober.get_confidence(),
+ 'language': prober.language,
+ })
+ if len(results) > 0:
+ return sorted(results, key=lambda result: -result['confidence'])
+
+ return [detector.result]
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diff --git a/Scripts/Lib/site-packages/pip/_vendor/chardet/big5freq.py b/Scripts/Lib/site-packages/pip/_vendor/chardet/big5freq.py
new file mode 100644
index 0000000..38f3251
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/chardet/big5freq.py
@@ -0,0 +1,386 @@
+######################## BEGIN LICENSE BLOCK ########################
+# The Original Code is Mozilla Communicator client code.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+# Mark Pilgrim - port to Python
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301 USA
+######################### END LICENSE BLOCK #########################
+
+# Big5 frequency table
+# by Taiwan's Mandarin Promotion Council
+# ProductUserVisibleVersion \s*'
+ r'(.*?) ', f.read())
+ finally:
+ f.close()
+ if m is not None:
+ macrelease = '.'.join(m.group(1).split('.')[:2])
+ # else: fall back to the default behaviour
+
+ if not macver:
+ macver = macrelease
+
+ if macver:
+ release = macver
+ osname = "macosx"
+
+ if ((macrelease + '.') >= '10.4.' and
+ '-arch' in get_config_vars().get('CFLAGS', '').strip()):
+ # The universal build will build fat binaries, but not on
+ # systems before 10.4
+ #
+ # Try to detect 4-way universal builds, those have machine-type
+ # 'universal' instead of 'fat'.
+
+ machine = 'fat'
+ cflags = get_config_vars().get('CFLAGS')
+
+ archs = re.findall(r'-arch\s+(\S+)', cflags)
+ archs = tuple(sorted(set(archs)))
+
+ if len(archs) == 1:
+ machine = archs[0]
+ elif archs == ('i386', 'ppc'):
+ machine = 'fat'
+ elif archs == ('i386', 'x86_64'):
+ machine = 'intel'
+ elif archs == ('i386', 'ppc', 'x86_64'):
+ machine = 'fat3'
+ elif archs == ('ppc64', 'x86_64'):
+ machine = 'fat64'
+ elif archs == ('i386', 'ppc', 'ppc64', 'x86_64'):
+ machine = 'universal'
+ else:
+ raise ValueError(
+ "Don't know machine value for archs=%r" % (archs,))
+
+ elif machine == 'i386':
+ # On OSX the machine type returned by uname is always the
+ # 32-bit variant, even if the executable architecture is
+ # the 64-bit variant
+ if sys.maxsize >= 2**32:
+ machine = 'x86_64'
+
+ elif machine in ('PowerPC', 'Power_Macintosh'):
+ # Pick a sane name for the PPC architecture.
+ # See 'i386' case
+ if sys.maxsize >= 2**32:
+ machine = 'ppc64'
+ else:
+ machine = 'ppc'
+
+ return "%s-%s-%s" % (osname, release, machine)
+
+
+def get_python_version():
+ return _PY_VERSION_SHORT
+
+
+def _print_dict(title, data):
+ for index, (key, value) in enumerate(sorted(data.items())):
+ if index == 0:
+ print('%s: ' % (title))
+ print('\t%s = "%s"' % (key, value))
+
+
+def _main():
+ """Display all information sysconfig detains."""
+ print('Platform: "%s"' % get_platform())
+ print('Python version: "%s"' % get_python_version())
+ print('Current installation scheme: "%s"' % _get_default_scheme())
+ print()
+ _print_dict('Paths', get_paths())
+ print()
+ _print_dict('Variables', get_config_vars())
+
+
+if __name__ == '__main__':
+ _main()
diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/_backport/tarfile.py b/Scripts/Lib/site-packages/pip/_vendor/distlib/_backport/tarfile.py
new file mode 100644
index 0000000..d66d856
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/distlib/_backport/tarfile.py
@@ -0,0 +1,2607 @@
+#-------------------------------------------------------------------
+# tarfile.py
+#-------------------------------------------------------------------
+# Copyright (C) 2002 Lars Gustaebel
+# All rights reserved.
+#
+# Permission is hereby granted, free of charge, to any person
+# obtaining a copy of this software and associated documentation
+# files (the "Software"), to deal in the Software without
+# restriction, including without limitation the rights to use,
+# copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following
+# conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+from __future__ import print_function
+
+"""Read from and write to tar format archives.
+"""
+
+__version__ = "$Revision$"
+
+version = "0.9.0"
+__author__ = "Lars Gust\u00e4bel (lars@gustaebel.de)"
+__date__ = "$Date: 2011-02-25 17:42:01 +0200 (Fri, 25 Feb 2011) $"
+__cvsid__ = "$Id: tarfile.py 88586 2011-02-25 15:42:01Z marc-andre.lemburg $"
+__credits__ = "Gustavo Niemeyer, Niels Gust\u00e4bel, Richard Townsend."
+
+#---------
+# Imports
+#---------
+import sys
+import os
+import stat
+import errno
+import time
+import struct
+import copy
+import re
+
+try:
+ import grp, pwd
+except ImportError:
+ grp = pwd = None
+
+# os.symlink on Windows prior to 6.0 raises NotImplementedError
+symlink_exception = (AttributeError, NotImplementedError)
+try:
+ # WindowsError (1314) will be raised if the caller does not hold the
+ # SeCreateSymbolicLinkPrivilege privilege
+ symlink_exception += (WindowsError,)
+except NameError:
+ pass
+
+# from tarfile import *
+__all__ = ["TarFile", "TarInfo", "is_tarfile", "TarError"]
+
+if sys.version_info[0] < 3:
+ import __builtin__ as builtins
+else:
+ import builtins
+
+_open = builtins.open # Since 'open' is TarFile.open
+
+#---------------------------------------------------------
+# tar constants
+#---------------------------------------------------------
+NUL = b"\0" # the null character
+BLOCKSIZE = 512 # length of processing blocks
+RECORDSIZE = BLOCKSIZE * 20 # length of records
+GNU_MAGIC = b"ustar \0" # magic gnu tar string
+POSIX_MAGIC = b"ustar\x0000" # magic posix tar string
+
+LENGTH_NAME = 100 # maximum length of a filename
+LENGTH_LINK = 100 # maximum length of a linkname
+LENGTH_PREFIX = 155 # maximum length of the prefix field
+
+REGTYPE = b"0" # regular file
+AREGTYPE = b"\0" # regular file
+LNKTYPE = b"1" # link (inside tarfile)
+SYMTYPE = b"2" # symbolic link
+CHRTYPE = b"3" # character special device
+BLKTYPE = b"4" # block special device
+DIRTYPE = b"5" # directory
+FIFOTYPE = b"6" # fifo special device
+CONTTYPE = b"7" # contiguous file
+
+GNUTYPE_LONGNAME = b"L" # GNU tar longname
+GNUTYPE_LONGLINK = b"K" # GNU tar longlink
+GNUTYPE_SPARSE = b"S" # GNU tar sparse file
+
+XHDTYPE = b"x" # POSIX.1-2001 extended header
+XGLTYPE = b"g" # POSIX.1-2001 global header
+SOLARIS_XHDTYPE = b"X" # Solaris extended header
+
+USTAR_FORMAT = 0 # POSIX.1-1988 (ustar) format
+GNU_FORMAT = 1 # GNU tar format
+PAX_FORMAT = 2 # POSIX.1-2001 (pax) format
+DEFAULT_FORMAT = GNU_FORMAT
+
+#---------------------------------------------------------
+# tarfile constants
+#---------------------------------------------------------
+# File types that tarfile supports:
+SUPPORTED_TYPES = (REGTYPE, AREGTYPE, LNKTYPE,
+ SYMTYPE, DIRTYPE, FIFOTYPE,
+ CONTTYPE, CHRTYPE, BLKTYPE,
+ GNUTYPE_LONGNAME, GNUTYPE_LONGLINK,
+ GNUTYPE_SPARSE)
+
+# File types that will be treated as a regular file.
+REGULAR_TYPES = (REGTYPE, AREGTYPE,
+ CONTTYPE, GNUTYPE_SPARSE)
+
+# File types that are part of the GNU tar format.
+GNU_TYPES = (GNUTYPE_LONGNAME, GNUTYPE_LONGLINK,
+ GNUTYPE_SPARSE)
+
+# Fields from a pax header that override a TarInfo attribute.
+PAX_FIELDS = ("path", "linkpath", "size", "mtime",
+ "uid", "gid", "uname", "gname")
+
+# Fields from a pax header that are affected by hdrcharset.
+PAX_NAME_FIELDS = set(("path", "linkpath", "uname", "gname"))
+
+# Fields in a pax header that are numbers, all other fields
+# are treated as strings.
+PAX_NUMBER_FIELDS = {
+ "atime": float,
+ "ctime": float,
+ "mtime": float,
+ "uid": int,
+ "gid": int,
+ "size": int
+}
+
+#---------------------------------------------------------
+# Bits used in the mode field, values in octal.
+#---------------------------------------------------------
+S_IFLNK = 0o120000 # symbolic link
+S_IFREG = 0o100000 # regular file
+S_IFBLK = 0o060000 # block device
+S_IFDIR = 0o040000 # directory
+S_IFCHR = 0o020000 # character device
+S_IFIFO = 0o010000 # fifo
+
+TSUID = 0o4000 # set UID on execution
+TSGID = 0o2000 # set GID on execution
+TSVTX = 0o1000 # reserved
+
+TUREAD = 0o400 # read by owner
+TUWRITE = 0o200 # write by owner
+TUEXEC = 0o100 # execute/search by owner
+TGREAD = 0o040 # read by group
+TGWRITE = 0o020 # write by group
+TGEXEC = 0o010 # execute/search by group
+TOREAD = 0o004 # read by other
+TOWRITE = 0o002 # write by other
+TOEXEC = 0o001 # execute/search by other
+
+#---------------------------------------------------------
+# initialization
+#---------------------------------------------------------
+if os.name in ("nt", "ce"):
+ ENCODING = "utf-8"
+else:
+ ENCODING = sys.getfilesystemencoding()
+
+#---------------------------------------------------------
+# Some useful functions
+#---------------------------------------------------------
+
+def stn(s, length, encoding, errors):
+ """Convert a string to a null-terminated bytes object.
+ """
+ s = s.encode(encoding, errors)
+ return s[:length] + (length - len(s)) * NUL
+
+def nts(s, encoding, errors):
+ """Convert a null-terminated bytes object to a string.
+ """
+ p = s.find(b"\0")
+ if p != -1:
+ s = s[:p]
+ return s.decode(encoding, errors)
+
+def nti(s):
+ """Convert a number field to a python number.
+ """
+ # There are two possible encodings for a number field, see
+ # itn() below.
+ if s[0] != chr(0o200):
+ try:
+ n = int(nts(s, "ascii", "strict") or "0", 8)
+ except ValueError:
+ raise InvalidHeaderError("invalid header")
+ else:
+ n = 0
+ for i in range(len(s) - 1):
+ n <<= 8
+ n += ord(s[i + 1])
+ return n
+
+def itn(n, digits=8, format=DEFAULT_FORMAT):
+ """Convert a python number to a number field.
+ """
+ # POSIX 1003.1-1988 requires numbers to be encoded as a string of
+ # octal digits followed by a null-byte, this allows values up to
+ # (8**(digits-1))-1. GNU tar allows storing numbers greater than
+ # that if necessary. A leading 0o200 byte indicates this particular
+ # encoding, the following digits-1 bytes are a big-endian
+ # representation. This allows values up to (256**(digits-1))-1.
+ if 0 <= n < 8 ** (digits - 1):
+ s = ("%0*o" % (digits - 1, n)).encode("ascii") + NUL
+ else:
+ if format != GNU_FORMAT or n >= 256 ** (digits - 1):
+ raise ValueError("overflow in number field")
+
+ if n < 0:
+ # XXX We mimic GNU tar's behaviour with negative numbers,
+ # this could raise OverflowError.
+ n = struct.unpack("L", struct.pack("l", n))[0]
+
+ s = bytearray()
+ for i in range(digits - 1):
+ s.insert(0, n & 0o377)
+ n >>= 8
+ s.insert(0, 0o200)
+ return s
+
+def calc_chksums(buf):
+ """Calculate the checksum for a member's header by summing up all
+ characters except for the chksum field which is treated as if
+ it was filled with spaces. According to the GNU tar sources,
+ some tars (Sun and NeXT) calculate chksum with signed char,
+ which will be different if there are chars in the buffer with
+ the high bit set. So we calculate two checksums, unsigned and
+ signed.
+ """
+ unsigned_chksum = 256 + sum(struct.unpack("148B", buf[:148]) + struct.unpack("356B", buf[156:512]))
+ signed_chksum = 256 + sum(struct.unpack("148b", buf[:148]) + struct.unpack("356b", buf[156:512]))
+ return unsigned_chksum, signed_chksum
+
+def copyfileobj(src, dst, length=None):
+ """Copy length bytes from fileobj src to fileobj dst.
+ If length is None, copy the entire content.
+ """
+ if length == 0:
+ return
+ if length is None:
+ while True:
+ buf = src.read(16*1024)
+ if not buf:
+ break
+ dst.write(buf)
+ return
+
+ BUFSIZE = 16 * 1024
+ blocks, remainder = divmod(length, BUFSIZE)
+ for b in range(blocks):
+ buf = src.read(BUFSIZE)
+ if len(buf) < BUFSIZE:
+ raise IOError("end of file reached")
+ dst.write(buf)
+
+ if remainder != 0:
+ buf = src.read(remainder)
+ if len(buf) < remainder:
+ raise IOError("end of file reached")
+ dst.write(buf)
+ return
+
+filemode_table = (
+ ((S_IFLNK, "l"),
+ (S_IFREG, "-"),
+ (S_IFBLK, "b"),
+ (S_IFDIR, "d"),
+ (S_IFCHR, "c"),
+ (S_IFIFO, "p")),
+
+ ((TUREAD, "r"),),
+ ((TUWRITE, "w"),),
+ ((TUEXEC|TSUID, "s"),
+ (TSUID, "S"),
+ (TUEXEC, "x")),
+
+ ((TGREAD, "r"),),
+ ((TGWRITE, "w"),),
+ ((TGEXEC|TSGID, "s"),
+ (TSGID, "S"),
+ (TGEXEC, "x")),
+
+ ((TOREAD, "r"),),
+ ((TOWRITE, "w"),),
+ ((TOEXEC|TSVTX, "t"),
+ (TSVTX, "T"),
+ (TOEXEC, "x"))
+)
+
+def filemode(mode):
+ """Convert a file's mode to a string of the form
+ -rwxrwxrwx.
+ Used by TarFile.list()
+ """
+ perm = []
+ for table in filemode_table:
+ for bit, char in table:
+ if mode & bit == bit:
+ perm.append(char)
+ break
+ else:
+ perm.append("-")
+ return "".join(perm)
+
+class TarError(Exception):
+ """Base exception."""
+ pass
+class ExtractError(TarError):
+ """General exception for extract errors."""
+ pass
+class ReadError(TarError):
+ """Exception for unreadable tar archives."""
+ pass
+class CompressionError(TarError):
+ """Exception for unavailable compression methods."""
+ pass
+class StreamError(TarError):
+ """Exception for unsupported operations on stream-like TarFiles."""
+ pass
+class HeaderError(TarError):
+ """Base exception for header errors."""
+ pass
+class EmptyHeaderError(HeaderError):
+ """Exception for empty headers."""
+ pass
+class TruncatedHeaderError(HeaderError):
+ """Exception for truncated headers."""
+ pass
+class EOFHeaderError(HeaderError):
+ """Exception for end of file headers."""
+ pass
+class InvalidHeaderError(HeaderError):
+ """Exception for invalid headers."""
+ pass
+class SubsequentHeaderError(HeaderError):
+ """Exception for missing and invalid extended headers."""
+ pass
+
+#---------------------------
+# internal stream interface
+#---------------------------
+class _LowLevelFile(object):
+ """Low-level file object. Supports reading and writing.
+ It is used instead of a regular file object for streaming
+ access.
+ """
+
+ def __init__(self, name, mode):
+ mode = {
+ "r": os.O_RDONLY,
+ "w": os.O_WRONLY | os.O_CREAT | os.O_TRUNC,
+ }[mode]
+ if hasattr(os, "O_BINARY"):
+ mode |= os.O_BINARY
+ self.fd = os.open(name, mode, 0o666)
+
+ def close(self):
+ os.close(self.fd)
+
+ def read(self, size):
+ return os.read(self.fd, size)
+
+ def write(self, s):
+ os.write(self.fd, s)
+
+class _Stream(object):
+ """Class that serves as an adapter between TarFile and
+ a stream-like object. The stream-like object only
+ needs to have a read() or write() method and is accessed
+ blockwise. Use of gzip or bzip2 compression is possible.
+ A stream-like object could be for example: sys.stdin,
+ sys.stdout, a socket, a tape device etc.
+
+ _Stream is intended to be used only internally.
+ """
+
+ def __init__(self, name, mode, comptype, fileobj, bufsize):
+ """Construct a _Stream object.
+ """
+ self._extfileobj = True
+ if fileobj is None:
+ fileobj = _LowLevelFile(name, mode)
+ self._extfileobj = False
+
+ if comptype == '*':
+ # Enable transparent compression detection for the
+ # stream interface
+ fileobj = _StreamProxy(fileobj)
+ comptype = fileobj.getcomptype()
+
+ self.name = name or ""
+ self.mode = mode
+ self.comptype = comptype
+ self.fileobj = fileobj
+ self.bufsize = bufsize
+ self.buf = b""
+ self.pos = 0
+ self.closed = False
+
+ try:
+ if comptype == "gz":
+ try:
+ import zlib
+ except ImportError:
+ raise CompressionError("zlib module is not available")
+ self.zlib = zlib
+ self.crc = zlib.crc32(b"")
+ if mode == "r":
+ self._init_read_gz()
+ else:
+ self._init_write_gz()
+
+ if comptype == "bz2":
+ try:
+ import bz2
+ except ImportError:
+ raise CompressionError("bz2 module is not available")
+ if mode == "r":
+ self.dbuf = b""
+ self.cmp = bz2.BZ2Decompressor()
+ else:
+ self.cmp = bz2.BZ2Compressor()
+ except:
+ if not self._extfileobj:
+ self.fileobj.close()
+ self.closed = True
+ raise
+
+ def __del__(self):
+ if hasattr(self, "closed") and not self.closed:
+ self.close()
+
+ def _init_write_gz(self):
+ """Initialize for writing with gzip compression.
+ """
+ self.cmp = self.zlib.compressobj(9, self.zlib.DEFLATED,
+ -self.zlib.MAX_WBITS,
+ self.zlib.DEF_MEM_LEVEL,
+ 0)
+ timestamp = struct.pack(" self.bufsize:
+ self.fileobj.write(self.buf[:self.bufsize])
+ self.buf = self.buf[self.bufsize:]
+
+ def close(self):
+ """Close the _Stream object. No operation should be
+ done on it afterwards.
+ """
+ if self.closed:
+ return
+
+ if self.mode == "w" and self.comptype != "tar":
+ self.buf += self.cmp.flush()
+
+ if self.mode == "w" and self.buf:
+ self.fileobj.write(self.buf)
+ self.buf = b""
+ if self.comptype == "gz":
+ # The native zlib crc is an unsigned 32-bit integer, but
+ # the Python wrapper implicitly casts that to a signed C
+ # long. So, on a 32-bit box self.crc may "look negative",
+ # while the same crc on a 64-bit box may "look positive".
+ # To avoid irksome warnings from the `struct` module, force
+ # it to look positive on all boxes.
+ self.fileobj.write(struct.pack("= 0:
+ blocks, remainder = divmod(pos - self.pos, self.bufsize)
+ for i in range(blocks):
+ self.read(self.bufsize)
+ self.read(remainder)
+ else:
+ raise StreamError("seeking backwards is not allowed")
+ return self.pos
+
+ def read(self, size=None):
+ """Return the next size number of bytes from the stream.
+ If size is not defined, return all bytes of the stream
+ up to EOF.
+ """
+ if size is None:
+ t = []
+ while True:
+ buf = self._read(self.bufsize)
+ if not buf:
+ break
+ t.append(buf)
+ buf = "".join(t)
+ else:
+ buf = self._read(size)
+ self.pos += len(buf)
+ return buf
+
+ def _read(self, size):
+ """Return size bytes from the stream.
+ """
+ if self.comptype == "tar":
+ return self.__read(size)
+
+ c = len(self.dbuf)
+ while c < size:
+ buf = self.__read(self.bufsize)
+ if not buf:
+ break
+ try:
+ buf = self.cmp.decompress(buf)
+ except IOError:
+ raise ReadError("invalid compressed data")
+ self.dbuf += buf
+ c += len(buf)
+ buf = self.dbuf[:size]
+ self.dbuf = self.dbuf[size:]
+ return buf
+
+ def __read(self, size):
+ """Return size bytes from stream. If internal buffer is empty,
+ read another block from the stream.
+ """
+ c = len(self.buf)
+ while c < size:
+ buf = self.fileobj.read(self.bufsize)
+ if not buf:
+ break
+ self.buf += buf
+ c += len(buf)
+ buf = self.buf[:size]
+ self.buf = self.buf[size:]
+ return buf
+# class _Stream
+
+class _StreamProxy(object):
+ """Small proxy class that enables transparent compression
+ detection for the Stream interface (mode 'r|*').
+ """
+
+ def __init__(self, fileobj):
+ self.fileobj = fileobj
+ self.buf = self.fileobj.read(BLOCKSIZE)
+
+ def read(self, size):
+ self.read = self.fileobj.read
+ return self.buf
+
+ def getcomptype(self):
+ if self.buf.startswith(b"\037\213\010"):
+ return "gz"
+ if self.buf.startswith(b"BZh91"):
+ return "bz2"
+ return "tar"
+
+ def close(self):
+ self.fileobj.close()
+# class StreamProxy
+
+class _BZ2Proxy(object):
+ """Small proxy class that enables external file object
+ support for "r:bz2" and "w:bz2" modes. This is actually
+ a workaround for a limitation in bz2 module's BZ2File
+ class which (unlike gzip.GzipFile) has no support for
+ a file object argument.
+ """
+
+ blocksize = 16 * 1024
+
+ def __init__(self, fileobj, mode):
+ self.fileobj = fileobj
+ self.mode = mode
+ self.name = getattr(self.fileobj, "name", None)
+ self.init()
+
+ def init(self):
+ import bz2
+ self.pos = 0
+ if self.mode == "r":
+ self.bz2obj = bz2.BZ2Decompressor()
+ self.fileobj.seek(0)
+ self.buf = b""
+ else:
+ self.bz2obj = bz2.BZ2Compressor()
+
+ def read(self, size):
+ x = len(self.buf)
+ while x < size:
+ raw = self.fileobj.read(self.blocksize)
+ if not raw:
+ break
+ data = self.bz2obj.decompress(raw)
+ self.buf += data
+ x += len(data)
+
+ buf = self.buf[:size]
+ self.buf = self.buf[size:]
+ self.pos += len(buf)
+ return buf
+
+ def seek(self, pos):
+ if pos < self.pos:
+ self.init()
+ self.read(pos - self.pos)
+
+ def tell(self):
+ return self.pos
+
+ def write(self, data):
+ self.pos += len(data)
+ raw = self.bz2obj.compress(data)
+ self.fileobj.write(raw)
+
+ def close(self):
+ if self.mode == "w":
+ raw = self.bz2obj.flush()
+ self.fileobj.write(raw)
+# class _BZ2Proxy
+
+#------------------------
+# Extraction file object
+#------------------------
+class _FileInFile(object):
+ """A thin wrapper around an existing file object that
+ provides a part of its data as an individual file
+ object.
+ """
+
+ def __init__(self, fileobj, offset, size, blockinfo=None):
+ self.fileobj = fileobj
+ self.offset = offset
+ self.size = size
+ self.position = 0
+
+ if blockinfo is None:
+ blockinfo = [(0, size)]
+
+ # Construct a map with data and zero blocks.
+ self.map_index = 0
+ self.map = []
+ lastpos = 0
+ realpos = self.offset
+ for offset, size in blockinfo:
+ if offset > lastpos:
+ self.map.append((False, lastpos, offset, None))
+ self.map.append((True, offset, offset + size, realpos))
+ realpos += size
+ lastpos = offset + size
+ if lastpos < self.size:
+ self.map.append((False, lastpos, self.size, None))
+
+ def seekable(self):
+ if not hasattr(self.fileobj, "seekable"):
+ # XXX gzip.GzipFile and bz2.BZ2File
+ return True
+ return self.fileobj.seekable()
+
+ def tell(self):
+ """Return the current file position.
+ """
+ return self.position
+
+ def seek(self, position):
+ """Seek to a position in the file.
+ """
+ self.position = position
+
+ def read(self, size=None):
+ """Read data from the file.
+ """
+ if size is None:
+ size = self.size - self.position
+ else:
+ size = min(size, self.size - self.position)
+
+ buf = b""
+ while size > 0:
+ while True:
+ data, start, stop, offset = self.map[self.map_index]
+ if start <= self.position < stop:
+ break
+ else:
+ self.map_index += 1
+ if self.map_index == len(self.map):
+ self.map_index = 0
+ length = min(size, stop - self.position)
+ if data:
+ self.fileobj.seek(offset + (self.position - start))
+ buf += self.fileobj.read(length)
+ else:
+ buf += NUL * length
+ size -= length
+ self.position += length
+ return buf
+#class _FileInFile
+
+
+class ExFileObject(object):
+ """File-like object for reading an archive member.
+ Is returned by TarFile.extractfile().
+ """
+ blocksize = 1024
+
+ def __init__(self, tarfile, tarinfo):
+ self.fileobj = _FileInFile(tarfile.fileobj,
+ tarinfo.offset_data,
+ tarinfo.size,
+ tarinfo.sparse)
+ self.name = tarinfo.name
+ self.mode = "r"
+ self.closed = False
+ self.size = tarinfo.size
+
+ self.position = 0
+ self.buffer = b""
+
+ def readable(self):
+ return True
+
+ def writable(self):
+ return False
+
+ def seekable(self):
+ return self.fileobj.seekable()
+
+ def read(self, size=None):
+ """Read at most size bytes from the file. If size is not
+ present or None, read all data until EOF is reached.
+ """
+ if self.closed:
+ raise ValueError("I/O operation on closed file")
+
+ buf = b""
+ if self.buffer:
+ if size is None:
+ buf = self.buffer
+ self.buffer = b""
+ else:
+ buf = self.buffer[:size]
+ self.buffer = self.buffer[size:]
+
+ if size is None:
+ buf += self.fileobj.read()
+ else:
+ buf += self.fileobj.read(size - len(buf))
+
+ self.position += len(buf)
+ return buf
+
+ # XXX TextIOWrapper uses the read1() method.
+ read1 = read
+
+ def readline(self, size=-1):
+ """Read one entire line from the file. If size is present
+ and non-negative, return a string with at most that
+ size, which may be an incomplete line.
+ """
+ if self.closed:
+ raise ValueError("I/O operation on closed file")
+
+ pos = self.buffer.find(b"\n") + 1
+ if pos == 0:
+ # no newline found.
+ while True:
+ buf = self.fileobj.read(self.blocksize)
+ self.buffer += buf
+ if not buf or b"\n" in buf:
+ pos = self.buffer.find(b"\n") + 1
+ if pos == 0:
+ # no newline found.
+ pos = len(self.buffer)
+ break
+
+ if size != -1:
+ pos = min(size, pos)
+
+ buf = self.buffer[:pos]
+ self.buffer = self.buffer[pos:]
+ self.position += len(buf)
+ return buf
+
+ def readlines(self):
+ """Return a list with all remaining lines.
+ """
+ result = []
+ while True:
+ line = self.readline()
+ if not line: break
+ result.append(line)
+ return result
+
+ def tell(self):
+ """Return the current file position.
+ """
+ if self.closed:
+ raise ValueError("I/O operation on closed file")
+
+ return self.position
+
+ def seek(self, pos, whence=os.SEEK_SET):
+ """Seek to a position in the file.
+ """
+ if self.closed:
+ raise ValueError("I/O operation on closed file")
+
+ if whence == os.SEEK_SET:
+ self.position = min(max(pos, 0), self.size)
+ elif whence == os.SEEK_CUR:
+ if pos < 0:
+ self.position = max(self.position + pos, 0)
+ else:
+ self.position = min(self.position + pos, self.size)
+ elif whence == os.SEEK_END:
+ self.position = max(min(self.size + pos, self.size), 0)
+ else:
+ raise ValueError("Invalid argument")
+
+ self.buffer = b""
+ self.fileobj.seek(self.position)
+
+ def close(self):
+ """Close the file object.
+ """
+ self.closed = True
+
+ def __iter__(self):
+ """Get an iterator over the file's lines.
+ """
+ while True:
+ line = self.readline()
+ if not line:
+ break
+ yield line
+#class ExFileObject
+
+#------------------
+# Exported Classes
+#------------------
+class TarInfo(object):
+ """Informational class which holds the details about an
+ archive member given by a tar header block.
+ TarInfo objects are returned by TarFile.getmember(),
+ TarFile.getmembers() and TarFile.gettarinfo() and are
+ usually created internally.
+ """
+
+ __slots__ = ("name", "mode", "uid", "gid", "size", "mtime",
+ "chksum", "type", "linkname", "uname", "gname",
+ "devmajor", "devminor",
+ "offset", "offset_data", "pax_headers", "sparse",
+ "tarfile", "_sparse_structs", "_link_target")
+
+ def __init__(self, name=""):
+ """Construct a TarInfo object. name is the optional name
+ of the member.
+ """
+ self.name = name # member name
+ self.mode = 0o644 # file permissions
+ self.uid = 0 # user id
+ self.gid = 0 # group id
+ self.size = 0 # file size
+ self.mtime = 0 # modification time
+ self.chksum = 0 # header checksum
+ self.type = REGTYPE # member type
+ self.linkname = "" # link name
+ self.uname = "" # user name
+ self.gname = "" # group name
+ self.devmajor = 0 # device major number
+ self.devminor = 0 # device minor number
+
+ self.offset = 0 # the tar header starts here
+ self.offset_data = 0 # the file's data starts here
+
+ self.sparse = None # sparse member information
+ self.pax_headers = {} # pax header information
+
+ # In pax headers the "name" and "linkname" field are called
+ # "path" and "linkpath".
+ def _getpath(self):
+ return self.name
+ def _setpath(self, name):
+ self.name = name
+ path = property(_getpath, _setpath)
+
+ def _getlinkpath(self):
+ return self.linkname
+ def _setlinkpath(self, linkname):
+ self.linkname = linkname
+ linkpath = property(_getlinkpath, _setlinkpath)
+
+ def __repr__(self):
+ return "<%s %r at %#x>" % (self.__class__.__name__,self.name,id(self))
+
+ def get_info(self):
+ """Return the TarInfo's attributes as a dictionary.
+ """
+ info = {
+ "name": self.name,
+ "mode": self.mode & 0o7777,
+ "uid": self.uid,
+ "gid": self.gid,
+ "size": self.size,
+ "mtime": self.mtime,
+ "chksum": self.chksum,
+ "type": self.type,
+ "linkname": self.linkname,
+ "uname": self.uname,
+ "gname": self.gname,
+ "devmajor": self.devmajor,
+ "devminor": self.devminor
+ }
+
+ if info["type"] == DIRTYPE and not info["name"].endswith("/"):
+ info["name"] += "/"
+
+ return info
+
+ def tobuf(self, format=DEFAULT_FORMAT, encoding=ENCODING, errors="surrogateescape"):
+ """Return a tar header as a string of 512 byte blocks.
+ """
+ info = self.get_info()
+
+ if format == USTAR_FORMAT:
+ return self.create_ustar_header(info, encoding, errors)
+ elif format == GNU_FORMAT:
+ return self.create_gnu_header(info, encoding, errors)
+ elif format == PAX_FORMAT:
+ return self.create_pax_header(info, encoding)
+ else:
+ raise ValueError("invalid format")
+
+ def create_ustar_header(self, info, encoding, errors):
+ """Return the object as a ustar header block.
+ """
+ info["magic"] = POSIX_MAGIC
+
+ if len(info["linkname"]) > LENGTH_LINK:
+ raise ValueError("linkname is too long")
+
+ if len(info["name"]) > LENGTH_NAME:
+ info["prefix"], info["name"] = self._posix_split_name(info["name"])
+
+ return self._create_header(info, USTAR_FORMAT, encoding, errors)
+
+ def create_gnu_header(self, info, encoding, errors):
+ """Return the object as a GNU header block sequence.
+ """
+ info["magic"] = GNU_MAGIC
+
+ buf = b""
+ if len(info["linkname"]) > LENGTH_LINK:
+ buf += self._create_gnu_long_header(info["linkname"], GNUTYPE_LONGLINK, encoding, errors)
+
+ if len(info["name"]) > LENGTH_NAME:
+ buf += self._create_gnu_long_header(info["name"], GNUTYPE_LONGNAME, encoding, errors)
+
+ return buf + self._create_header(info, GNU_FORMAT, encoding, errors)
+
+ def create_pax_header(self, info, encoding):
+ """Return the object as a ustar header block. If it cannot be
+ represented this way, prepend a pax extended header sequence
+ with supplement information.
+ """
+ info["magic"] = POSIX_MAGIC
+ pax_headers = self.pax_headers.copy()
+
+ # Test string fields for values that exceed the field length or cannot
+ # be represented in ASCII encoding.
+ for name, hname, length in (
+ ("name", "path", LENGTH_NAME), ("linkname", "linkpath", LENGTH_LINK),
+ ("uname", "uname", 32), ("gname", "gname", 32)):
+
+ if hname in pax_headers:
+ # The pax header has priority.
+ continue
+
+ # Try to encode the string as ASCII.
+ try:
+ info[name].encode("ascii", "strict")
+ except UnicodeEncodeError:
+ pax_headers[hname] = info[name]
+ continue
+
+ if len(info[name]) > length:
+ pax_headers[hname] = info[name]
+
+ # Test number fields for values that exceed the field limit or values
+ # that like to be stored as float.
+ for name, digits in (("uid", 8), ("gid", 8), ("size", 12), ("mtime", 12)):
+ if name in pax_headers:
+ # The pax header has priority. Avoid overflow.
+ info[name] = 0
+ continue
+
+ val = info[name]
+ if not 0 <= val < 8 ** (digits - 1) or isinstance(val, float):
+ pax_headers[name] = str(val)
+ info[name] = 0
+
+ # Create a pax extended header if necessary.
+ if pax_headers:
+ buf = self._create_pax_generic_header(pax_headers, XHDTYPE, encoding)
+ else:
+ buf = b""
+
+ return buf + self._create_header(info, USTAR_FORMAT, "ascii", "replace")
+
+ @classmethod
+ def create_pax_global_header(cls, pax_headers):
+ """Return the object as a pax global header block sequence.
+ """
+ return cls._create_pax_generic_header(pax_headers, XGLTYPE, "utf8")
+
+ def _posix_split_name(self, name):
+ """Split a name longer than 100 chars into a prefix
+ and a name part.
+ """
+ prefix = name[:LENGTH_PREFIX + 1]
+ while prefix and prefix[-1] != "/":
+ prefix = prefix[:-1]
+
+ name = name[len(prefix):]
+ prefix = prefix[:-1]
+
+ if not prefix or len(name) > LENGTH_NAME:
+ raise ValueError("name is too long")
+ return prefix, name
+
+ @staticmethod
+ def _create_header(info, format, encoding, errors):
+ """Return a header block. info is a dictionary with file
+ information, format must be one of the *_FORMAT constants.
+ """
+ parts = [
+ stn(info.get("name", ""), 100, encoding, errors),
+ itn(info.get("mode", 0) & 0o7777, 8, format),
+ itn(info.get("uid", 0), 8, format),
+ itn(info.get("gid", 0), 8, format),
+ itn(info.get("size", 0), 12, format),
+ itn(info.get("mtime", 0), 12, format),
+ b" ", # checksum field
+ info.get("type", REGTYPE),
+ stn(info.get("linkname", ""), 100, encoding, errors),
+ info.get("magic", POSIX_MAGIC),
+ stn(info.get("uname", ""), 32, encoding, errors),
+ stn(info.get("gname", ""), 32, encoding, errors),
+ itn(info.get("devmajor", 0), 8, format),
+ itn(info.get("devminor", 0), 8, format),
+ stn(info.get("prefix", ""), 155, encoding, errors)
+ ]
+
+ buf = struct.pack("%ds" % BLOCKSIZE, b"".join(parts))
+ chksum = calc_chksums(buf[-BLOCKSIZE:])[0]
+ buf = buf[:-364] + ("%06o\0" % chksum).encode("ascii") + buf[-357:]
+ return buf
+
+ @staticmethod
+ def _create_payload(payload):
+ """Return the string payload filled with zero bytes
+ up to the next 512 byte border.
+ """
+ blocks, remainder = divmod(len(payload), BLOCKSIZE)
+ if remainder > 0:
+ payload += (BLOCKSIZE - remainder) * NUL
+ return payload
+
+ @classmethod
+ def _create_gnu_long_header(cls, name, type, encoding, errors):
+ """Return a GNUTYPE_LONGNAME or GNUTYPE_LONGLINK sequence
+ for name.
+ """
+ name = name.encode(encoding, errors) + NUL
+
+ info = {}
+ info["name"] = "././@LongLink"
+ info["type"] = type
+ info["size"] = len(name)
+ info["magic"] = GNU_MAGIC
+
+ # create extended header + name blocks.
+ return cls._create_header(info, USTAR_FORMAT, encoding, errors) + \
+ cls._create_payload(name)
+
+ @classmethod
+ def _create_pax_generic_header(cls, pax_headers, type, encoding):
+ """Return a POSIX.1-2008 extended or global header sequence
+ that contains a list of keyword, value pairs. The values
+ must be strings.
+ """
+ # Check if one of the fields contains surrogate characters and thereby
+ # forces hdrcharset=BINARY, see _proc_pax() for more information.
+ binary = False
+ for keyword, value in pax_headers.items():
+ try:
+ value.encode("utf8", "strict")
+ except UnicodeEncodeError:
+ binary = True
+ break
+
+ records = b""
+ if binary:
+ # Put the hdrcharset field at the beginning of the header.
+ records += b"21 hdrcharset=BINARY\n"
+
+ for keyword, value in pax_headers.items():
+ keyword = keyword.encode("utf8")
+ if binary:
+ # Try to restore the original byte representation of `value'.
+ # Needless to say, that the encoding must match the string.
+ value = value.encode(encoding, "surrogateescape")
+ else:
+ value = value.encode("utf8")
+
+ l = len(keyword) + len(value) + 3 # ' ' + '=' + '\n'
+ n = p = 0
+ while True:
+ n = l + len(str(p))
+ if n == p:
+ break
+ p = n
+ records += bytes(str(p), "ascii") + b" " + keyword + b"=" + value + b"\n"
+
+ # We use a hardcoded "././@PaxHeader" name like star does
+ # instead of the one that POSIX recommends.
+ info = {}
+ info["name"] = "././@PaxHeader"
+ info["type"] = type
+ info["size"] = len(records)
+ info["magic"] = POSIX_MAGIC
+
+ # Create pax header + record blocks.
+ return cls._create_header(info, USTAR_FORMAT, "ascii", "replace") + \
+ cls._create_payload(records)
+
+ @classmethod
+ def frombuf(cls, buf, encoding, errors):
+ """Construct a TarInfo object from a 512 byte bytes object.
+ """
+ if len(buf) == 0:
+ raise EmptyHeaderError("empty header")
+ if len(buf) != BLOCKSIZE:
+ raise TruncatedHeaderError("truncated header")
+ if buf.count(NUL) == BLOCKSIZE:
+ raise EOFHeaderError("end of file header")
+
+ chksum = nti(buf[148:156])
+ if chksum not in calc_chksums(buf):
+ raise InvalidHeaderError("bad checksum")
+
+ obj = cls()
+ obj.name = nts(buf[0:100], encoding, errors)
+ obj.mode = nti(buf[100:108])
+ obj.uid = nti(buf[108:116])
+ obj.gid = nti(buf[116:124])
+ obj.size = nti(buf[124:136])
+ obj.mtime = nti(buf[136:148])
+ obj.chksum = chksum
+ obj.type = buf[156:157]
+ obj.linkname = nts(buf[157:257], encoding, errors)
+ obj.uname = nts(buf[265:297], encoding, errors)
+ obj.gname = nts(buf[297:329], encoding, errors)
+ obj.devmajor = nti(buf[329:337])
+ obj.devminor = nti(buf[337:345])
+ prefix = nts(buf[345:500], encoding, errors)
+
+ # Old V7 tar format represents a directory as a regular
+ # file with a trailing slash.
+ if obj.type == AREGTYPE and obj.name.endswith("/"):
+ obj.type = DIRTYPE
+
+ # The old GNU sparse format occupies some of the unused
+ # space in the buffer for up to 4 sparse structures.
+ # Save the them for later processing in _proc_sparse().
+ if obj.type == GNUTYPE_SPARSE:
+ pos = 386
+ structs = []
+ for i in range(4):
+ try:
+ offset = nti(buf[pos:pos + 12])
+ numbytes = nti(buf[pos + 12:pos + 24])
+ except ValueError:
+ break
+ structs.append((offset, numbytes))
+ pos += 24
+ isextended = bool(buf[482])
+ origsize = nti(buf[483:495])
+ obj._sparse_structs = (structs, isextended, origsize)
+
+ # Remove redundant slashes from directories.
+ if obj.isdir():
+ obj.name = obj.name.rstrip("/")
+
+ # Reconstruct a ustar longname.
+ if prefix and obj.type not in GNU_TYPES:
+ obj.name = prefix + "/" + obj.name
+ return obj
+
+ @classmethod
+ def fromtarfile(cls, tarfile):
+ """Return the next TarInfo object from TarFile object
+ tarfile.
+ """
+ buf = tarfile.fileobj.read(BLOCKSIZE)
+ obj = cls.frombuf(buf, tarfile.encoding, tarfile.errors)
+ obj.offset = tarfile.fileobj.tell() - BLOCKSIZE
+ return obj._proc_member(tarfile)
+
+ #--------------------------------------------------------------------------
+ # The following are methods that are called depending on the type of a
+ # member. The entry point is _proc_member() which can be overridden in a
+ # subclass to add custom _proc_*() methods. A _proc_*() method MUST
+ # implement the following
+ # operations:
+ # 1. Set self.offset_data to the position where the data blocks begin,
+ # if there is data that follows.
+ # 2. Set tarfile.offset to the position where the next member's header will
+ # begin.
+ # 3. Return self or another valid TarInfo object.
+ def _proc_member(self, tarfile):
+ """Choose the right processing method depending on
+ the type and call it.
+ """
+ if self.type in (GNUTYPE_LONGNAME, GNUTYPE_LONGLINK):
+ return self._proc_gnulong(tarfile)
+ elif self.type == GNUTYPE_SPARSE:
+ return self._proc_sparse(tarfile)
+ elif self.type in (XHDTYPE, XGLTYPE, SOLARIS_XHDTYPE):
+ return self._proc_pax(tarfile)
+ else:
+ return self._proc_builtin(tarfile)
+
+ def _proc_builtin(self, tarfile):
+ """Process a builtin type or an unknown type which
+ will be treated as a regular file.
+ """
+ self.offset_data = tarfile.fileobj.tell()
+ offset = self.offset_data
+ if self.isreg() or self.type not in SUPPORTED_TYPES:
+ # Skip the following data blocks.
+ offset += self._block(self.size)
+ tarfile.offset = offset
+
+ # Patch the TarInfo object with saved global
+ # header information.
+ self._apply_pax_info(tarfile.pax_headers, tarfile.encoding, tarfile.errors)
+
+ return self
+
+ def _proc_gnulong(self, tarfile):
+ """Process the blocks that hold a GNU longname
+ or longlink member.
+ """
+ buf = tarfile.fileobj.read(self._block(self.size))
+
+ # Fetch the next header and process it.
+ try:
+ next = self.fromtarfile(tarfile)
+ except HeaderError:
+ raise SubsequentHeaderError("missing or bad subsequent header")
+
+ # Patch the TarInfo object from the next header with
+ # the longname information.
+ next.offset = self.offset
+ if self.type == GNUTYPE_LONGNAME:
+ next.name = nts(buf, tarfile.encoding, tarfile.errors)
+ elif self.type == GNUTYPE_LONGLINK:
+ next.linkname = nts(buf, tarfile.encoding, tarfile.errors)
+
+ return next
+
+ def _proc_sparse(self, tarfile):
+ """Process a GNU sparse header plus extra headers.
+ """
+ # We already collected some sparse structures in frombuf().
+ structs, isextended, origsize = self._sparse_structs
+ del self._sparse_structs
+
+ # Collect sparse structures from extended header blocks.
+ while isextended:
+ buf = tarfile.fileobj.read(BLOCKSIZE)
+ pos = 0
+ for i in range(21):
+ try:
+ offset = nti(buf[pos:pos + 12])
+ numbytes = nti(buf[pos + 12:pos + 24])
+ except ValueError:
+ break
+ if offset and numbytes:
+ structs.append((offset, numbytes))
+ pos += 24
+ isextended = bool(buf[504])
+ self.sparse = structs
+
+ self.offset_data = tarfile.fileobj.tell()
+ tarfile.offset = self.offset_data + self._block(self.size)
+ self.size = origsize
+ return self
+
+ def _proc_pax(self, tarfile):
+ """Process an extended or global header as described in
+ POSIX.1-2008.
+ """
+ # Read the header information.
+ buf = tarfile.fileobj.read(self._block(self.size))
+
+ # A pax header stores supplemental information for either
+ # the following file (extended) or all following files
+ # (global).
+ if self.type == XGLTYPE:
+ pax_headers = tarfile.pax_headers
+ else:
+ pax_headers = tarfile.pax_headers.copy()
+
+ # Check if the pax header contains a hdrcharset field. This tells us
+ # the encoding of the path, linkpath, uname and gname fields. Normally,
+ # these fields are UTF-8 encoded but since POSIX.1-2008 tar
+ # implementations are allowed to store them as raw binary strings if
+ # the translation to UTF-8 fails.
+ match = re.search(br"\d+ hdrcharset=([^\n]+)\n", buf)
+ if match is not None:
+ pax_headers["hdrcharset"] = match.group(1).decode("utf8")
+
+ # For the time being, we don't care about anything other than "BINARY".
+ # The only other value that is currently allowed by the standard is
+ # "ISO-IR 10646 2000 UTF-8" in other words UTF-8.
+ hdrcharset = pax_headers.get("hdrcharset")
+ if hdrcharset == "BINARY":
+ encoding = tarfile.encoding
+ else:
+ encoding = "utf8"
+
+ # Parse pax header information. A record looks like that:
+ # "%d %s=%s\n" % (length, keyword, value). length is the size
+ # of the complete record including the length field itself and
+ # the newline. keyword and value are both UTF-8 encoded strings.
+ regex = re.compile(br"(\d+) ([^=]+)=")
+ pos = 0
+ while True:
+ match = regex.match(buf, pos)
+ if not match:
+ break
+
+ length, keyword = match.groups()
+ length = int(length)
+ value = buf[match.end(2) + 1:match.start(1) + length - 1]
+
+ # Normally, we could just use "utf8" as the encoding and "strict"
+ # as the error handler, but we better not take the risk. For
+ # example, GNU tar <= 1.23 is known to store filenames it cannot
+ # translate to UTF-8 as raw strings (unfortunately without a
+ # hdrcharset=BINARY header).
+ # We first try the strict standard encoding, and if that fails we
+ # fall back on the user's encoding and error handler.
+ keyword = self._decode_pax_field(keyword, "utf8", "utf8",
+ tarfile.errors)
+ if keyword in PAX_NAME_FIELDS:
+ value = self._decode_pax_field(value, encoding, tarfile.encoding,
+ tarfile.errors)
+ else:
+ value = self._decode_pax_field(value, "utf8", "utf8",
+ tarfile.errors)
+
+ pax_headers[keyword] = value
+ pos += length
+
+ # Fetch the next header.
+ try:
+ next = self.fromtarfile(tarfile)
+ except HeaderError:
+ raise SubsequentHeaderError("missing or bad subsequent header")
+
+ # Process GNU sparse information.
+ if "GNU.sparse.map" in pax_headers:
+ # GNU extended sparse format version 0.1.
+ self._proc_gnusparse_01(next, pax_headers)
+
+ elif "GNU.sparse.size" in pax_headers:
+ # GNU extended sparse format version 0.0.
+ self._proc_gnusparse_00(next, pax_headers, buf)
+
+ elif pax_headers.get("GNU.sparse.major") == "1" and pax_headers.get("GNU.sparse.minor") == "0":
+ # GNU extended sparse format version 1.0.
+ self._proc_gnusparse_10(next, pax_headers, tarfile)
+
+ if self.type in (XHDTYPE, SOLARIS_XHDTYPE):
+ # Patch the TarInfo object with the extended header info.
+ next._apply_pax_info(pax_headers, tarfile.encoding, tarfile.errors)
+ next.offset = self.offset
+
+ if "size" in pax_headers:
+ # If the extended header replaces the size field,
+ # we need to recalculate the offset where the next
+ # header starts.
+ offset = next.offset_data
+ if next.isreg() or next.type not in SUPPORTED_TYPES:
+ offset += next._block(next.size)
+ tarfile.offset = offset
+
+ return next
+
+ def _proc_gnusparse_00(self, next, pax_headers, buf):
+ """Process a GNU tar extended sparse header, version 0.0.
+ """
+ offsets = []
+ for match in re.finditer(br"\d+ GNU.sparse.offset=(\d+)\n", buf):
+ offsets.append(int(match.group(1)))
+ numbytes = []
+ for match in re.finditer(br"\d+ GNU.sparse.numbytes=(\d+)\n", buf):
+ numbytes.append(int(match.group(1)))
+ next.sparse = list(zip(offsets, numbytes))
+
+ def _proc_gnusparse_01(self, next, pax_headers):
+ """Process a GNU tar extended sparse header, version 0.1.
+ """
+ sparse = [int(x) for x in pax_headers["GNU.sparse.map"].split(",")]
+ next.sparse = list(zip(sparse[::2], sparse[1::2]))
+
+ def _proc_gnusparse_10(self, next, pax_headers, tarfile):
+ """Process a GNU tar extended sparse header, version 1.0.
+ """
+ fields = None
+ sparse = []
+ buf = tarfile.fileobj.read(BLOCKSIZE)
+ fields, buf = buf.split(b"\n", 1)
+ fields = int(fields)
+ while len(sparse) < fields * 2:
+ if b"\n" not in buf:
+ buf += tarfile.fileobj.read(BLOCKSIZE)
+ number, buf = buf.split(b"\n", 1)
+ sparse.append(int(number))
+ next.offset_data = tarfile.fileobj.tell()
+ next.sparse = list(zip(sparse[::2], sparse[1::2]))
+
+ def _apply_pax_info(self, pax_headers, encoding, errors):
+ """Replace fields with supplemental information from a previous
+ pax extended or global header.
+ """
+ for keyword, value in pax_headers.items():
+ if keyword == "GNU.sparse.name":
+ setattr(self, "path", value)
+ elif keyword == "GNU.sparse.size":
+ setattr(self, "size", int(value))
+ elif keyword == "GNU.sparse.realsize":
+ setattr(self, "size", int(value))
+ elif keyword in PAX_FIELDS:
+ if keyword in PAX_NUMBER_FIELDS:
+ try:
+ value = PAX_NUMBER_FIELDS[keyword](value)
+ except ValueError:
+ value = 0
+ if keyword == "path":
+ value = value.rstrip("/")
+ setattr(self, keyword, value)
+
+ self.pax_headers = pax_headers.copy()
+
+ def _decode_pax_field(self, value, encoding, fallback_encoding, fallback_errors):
+ """Decode a single field from a pax record.
+ """
+ try:
+ return value.decode(encoding, "strict")
+ except UnicodeDecodeError:
+ return value.decode(fallback_encoding, fallback_errors)
+
+ def _block(self, count):
+ """Round up a byte count by BLOCKSIZE and return it,
+ e.g. _block(834) => 1024.
+ """
+ blocks, remainder = divmod(count, BLOCKSIZE)
+ if remainder:
+ blocks += 1
+ return blocks * BLOCKSIZE
+
+ def isreg(self):
+ return self.type in REGULAR_TYPES
+ def isfile(self):
+ return self.isreg()
+ def isdir(self):
+ return self.type == DIRTYPE
+ def issym(self):
+ return self.type == SYMTYPE
+ def islnk(self):
+ return self.type == LNKTYPE
+ def ischr(self):
+ return self.type == CHRTYPE
+ def isblk(self):
+ return self.type == BLKTYPE
+ def isfifo(self):
+ return self.type == FIFOTYPE
+ def issparse(self):
+ return self.sparse is not None
+ def isdev(self):
+ return self.type in (CHRTYPE, BLKTYPE, FIFOTYPE)
+# class TarInfo
+
+class TarFile(object):
+ """The TarFile Class provides an interface to tar archives.
+ """
+
+ debug = 0 # May be set from 0 (no msgs) to 3 (all msgs)
+
+ dereference = False # If true, add content of linked file to the
+ # tar file, else the link.
+
+ ignore_zeros = False # If true, skips empty or invalid blocks and
+ # continues processing.
+
+ errorlevel = 1 # If 0, fatal errors only appear in debug
+ # messages (if debug >= 0). If > 0, errors
+ # are passed to the caller as exceptions.
+
+ format = DEFAULT_FORMAT # The format to use when creating an archive.
+
+ encoding = ENCODING # Encoding for 8-bit character strings.
+
+ errors = None # Error handler for unicode conversion.
+
+ tarinfo = TarInfo # The default TarInfo class to use.
+
+ fileobject = ExFileObject # The default ExFileObject class to use.
+
+ def __init__(self, name=None, mode="r", fileobj=None, format=None,
+ tarinfo=None, dereference=None, ignore_zeros=None, encoding=None,
+ errors="surrogateescape", pax_headers=None, debug=None, errorlevel=None):
+ """Open an (uncompressed) tar archive `name'. `mode' is either 'r' to
+ read from an existing archive, 'a' to append data to an existing
+ file or 'w' to create a new file overwriting an existing one. `mode'
+ defaults to 'r'.
+ If `fileobj' is given, it is used for reading or writing data. If it
+ can be determined, `mode' is overridden by `fileobj's mode.
+ `fileobj' is not closed, when TarFile is closed.
+ """
+ if len(mode) > 1 or mode not in "raw":
+ raise ValueError("mode must be 'r', 'a' or 'w'")
+ self.mode = mode
+ self._mode = {"r": "rb", "a": "r+b", "w": "wb"}[mode]
+
+ if not fileobj:
+ if self.mode == "a" and not os.path.exists(name):
+ # Create nonexistent files in append mode.
+ self.mode = "w"
+ self._mode = "wb"
+ fileobj = bltn_open(name, self._mode)
+ self._extfileobj = False
+ else:
+ if name is None and hasattr(fileobj, "name"):
+ name = fileobj.name
+ if hasattr(fileobj, "mode"):
+ self._mode = fileobj.mode
+ self._extfileobj = True
+ self.name = os.path.abspath(name) if name else None
+ self.fileobj = fileobj
+
+ # Init attributes.
+ if format is not None:
+ self.format = format
+ if tarinfo is not None:
+ self.tarinfo = tarinfo
+ if dereference is not None:
+ self.dereference = dereference
+ if ignore_zeros is not None:
+ self.ignore_zeros = ignore_zeros
+ if encoding is not None:
+ self.encoding = encoding
+ self.errors = errors
+
+ if pax_headers is not None and self.format == PAX_FORMAT:
+ self.pax_headers = pax_headers
+ else:
+ self.pax_headers = {}
+
+ if debug is not None:
+ self.debug = debug
+ if errorlevel is not None:
+ self.errorlevel = errorlevel
+
+ # Init datastructures.
+ self.closed = False
+ self.members = [] # list of members as TarInfo objects
+ self._loaded = False # flag if all members have been read
+ self.offset = self.fileobj.tell()
+ # current position in the archive file
+ self.inodes = {} # dictionary caching the inodes of
+ # archive members already added
+
+ try:
+ if self.mode == "r":
+ self.firstmember = None
+ self.firstmember = self.next()
+
+ if self.mode == "a":
+ # Move to the end of the archive,
+ # before the first empty block.
+ while True:
+ self.fileobj.seek(self.offset)
+ try:
+ tarinfo = self.tarinfo.fromtarfile(self)
+ self.members.append(tarinfo)
+ except EOFHeaderError:
+ self.fileobj.seek(self.offset)
+ break
+ except HeaderError as e:
+ raise ReadError(str(e))
+
+ if self.mode in "aw":
+ self._loaded = True
+
+ if self.pax_headers:
+ buf = self.tarinfo.create_pax_global_header(self.pax_headers.copy())
+ self.fileobj.write(buf)
+ self.offset += len(buf)
+ except:
+ if not self._extfileobj:
+ self.fileobj.close()
+ self.closed = True
+ raise
+
+ #--------------------------------------------------------------------------
+ # Below are the classmethods which act as alternate constructors to the
+ # TarFile class. The open() method is the only one that is needed for
+ # public use; it is the "super"-constructor and is able to select an
+ # adequate "sub"-constructor for a particular compression using the mapping
+ # from OPEN_METH.
+ #
+ # This concept allows one to subclass TarFile without losing the comfort of
+ # the super-constructor. A sub-constructor is registered and made available
+ # by adding it to the mapping in OPEN_METH.
+
+ @classmethod
+ def open(cls, name=None, mode="r", fileobj=None, bufsize=RECORDSIZE, **kwargs):
+ """Open a tar archive for reading, writing or appending. Return
+ an appropriate TarFile class.
+
+ mode:
+ 'r' or 'r:*' open for reading with transparent compression
+ 'r:' open for reading exclusively uncompressed
+ 'r:gz' open for reading with gzip compression
+ 'r:bz2' open for reading with bzip2 compression
+ 'a' or 'a:' open for appending, creating the file if necessary
+ 'w' or 'w:' open for writing without compression
+ 'w:gz' open for writing with gzip compression
+ 'w:bz2' open for writing with bzip2 compression
+
+ 'r|*' open a stream of tar blocks with transparent compression
+ 'r|' open an uncompressed stream of tar blocks for reading
+ 'r|gz' open a gzip compressed stream of tar blocks
+ 'r|bz2' open a bzip2 compressed stream of tar blocks
+ 'w|' open an uncompressed stream for writing
+ 'w|gz' open a gzip compressed stream for writing
+ 'w|bz2' open a bzip2 compressed stream for writing
+ """
+
+ if not name and not fileobj:
+ raise ValueError("nothing to open")
+
+ if mode in ("r", "r:*"):
+ # Find out which *open() is appropriate for opening the file.
+ for comptype in cls.OPEN_METH:
+ func = getattr(cls, cls.OPEN_METH[comptype])
+ if fileobj is not None:
+ saved_pos = fileobj.tell()
+ try:
+ return func(name, "r", fileobj, **kwargs)
+ except (ReadError, CompressionError) as e:
+ if fileobj is not None:
+ fileobj.seek(saved_pos)
+ continue
+ raise ReadError("file could not be opened successfully")
+
+ elif ":" in mode:
+ filemode, comptype = mode.split(":", 1)
+ filemode = filemode or "r"
+ comptype = comptype or "tar"
+
+ # Select the *open() function according to
+ # given compression.
+ if comptype in cls.OPEN_METH:
+ func = getattr(cls, cls.OPEN_METH[comptype])
+ else:
+ raise CompressionError("unknown compression type %r" % comptype)
+ return func(name, filemode, fileobj, **kwargs)
+
+ elif "|" in mode:
+ filemode, comptype = mode.split("|", 1)
+ filemode = filemode or "r"
+ comptype = comptype or "tar"
+
+ if filemode not in "rw":
+ raise ValueError("mode must be 'r' or 'w'")
+
+ stream = _Stream(name, filemode, comptype, fileobj, bufsize)
+ try:
+ t = cls(name, filemode, stream, **kwargs)
+ except:
+ stream.close()
+ raise
+ t._extfileobj = False
+ return t
+
+ elif mode in "aw":
+ return cls.taropen(name, mode, fileobj, **kwargs)
+
+ raise ValueError("undiscernible mode")
+
+ @classmethod
+ def taropen(cls, name, mode="r", fileobj=None, **kwargs):
+ """Open uncompressed tar archive name for reading or writing.
+ """
+ if len(mode) > 1 or mode not in "raw":
+ raise ValueError("mode must be 'r', 'a' or 'w'")
+ return cls(name, mode, fileobj, **kwargs)
+
+ @classmethod
+ def gzopen(cls, name, mode="r", fileobj=None, compresslevel=9, **kwargs):
+ """Open gzip compressed tar archive name for reading or writing.
+ Appending is not allowed.
+ """
+ if len(mode) > 1 or mode not in "rw":
+ raise ValueError("mode must be 'r' or 'w'")
+
+ try:
+ import gzip
+ gzip.GzipFile
+ except (ImportError, AttributeError):
+ raise CompressionError("gzip module is not available")
+
+ extfileobj = fileobj is not None
+ try:
+ fileobj = gzip.GzipFile(name, mode + "b", compresslevel, fileobj)
+ t = cls.taropen(name, mode, fileobj, **kwargs)
+ except IOError:
+ if not extfileobj and fileobj is not None:
+ fileobj.close()
+ if fileobj is None:
+ raise
+ raise ReadError("not a gzip file")
+ except:
+ if not extfileobj and fileobj is not None:
+ fileobj.close()
+ raise
+ t._extfileobj = extfileobj
+ return t
+
+ @classmethod
+ def bz2open(cls, name, mode="r", fileobj=None, compresslevel=9, **kwargs):
+ """Open bzip2 compressed tar archive name for reading or writing.
+ Appending is not allowed.
+ """
+ if len(mode) > 1 or mode not in "rw":
+ raise ValueError("mode must be 'r' or 'w'.")
+
+ try:
+ import bz2
+ except ImportError:
+ raise CompressionError("bz2 module is not available")
+
+ if fileobj is not None:
+ fileobj = _BZ2Proxy(fileobj, mode)
+ else:
+ fileobj = bz2.BZ2File(name, mode, compresslevel=compresslevel)
+
+ try:
+ t = cls.taropen(name, mode, fileobj, **kwargs)
+ except (IOError, EOFError):
+ fileobj.close()
+ raise ReadError("not a bzip2 file")
+ t._extfileobj = False
+ return t
+
+ # All *open() methods are registered here.
+ OPEN_METH = {
+ "tar": "taropen", # uncompressed tar
+ "gz": "gzopen", # gzip compressed tar
+ "bz2": "bz2open" # bzip2 compressed tar
+ }
+
+ #--------------------------------------------------------------------------
+ # The public methods which TarFile provides:
+
+ def close(self):
+ """Close the TarFile. In write-mode, two finishing zero blocks are
+ appended to the archive.
+ """
+ if self.closed:
+ return
+
+ if self.mode in "aw":
+ self.fileobj.write(NUL * (BLOCKSIZE * 2))
+ self.offset += (BLOCKSIZE * 2)
+ # fill up the end with zero-blocks
+ # (like option -b20 for tar does)
+ blocks, remainder = divmod(self.offset, RECORDSIZE)
+ if remainder > 0:
+ self.fileobj.write(NUL * (RECORDSIZE - remainder))
+
+ if not self._extfileobj:
+ self.fileobj.close()
+ self.closed = True
+
+ def getmember(self, name):
+ """Return a TarInfo object for member `name'. If `name' can not be
+ found in the archive, KeyError is raised. If a member occurs more
+ than once in the archive, its last occurrence is assumed to be the
+ most up-to-date version.
+ """
+ tarinfo = self._getmember(name)
+ if tarinfo is None:
+ raise KeyError("filename %r not found" % name)
+ return tarinfo
+
+ def getmembers(self):
+ """Return the members of the archive as a list of TarInfo objects. The
+ list has the same order as the members in the archive.
+ """
+ self._check()
+ if not self._loaded: # if we want to obtain a list of
+ self._load() # all members, we first have to
+ # scan the whole archive.
+ return self.members
+
+ def getnames(self):
+ """Return the members of the archive as a list of their names. It has
+ the same order as the list returned by getmembers().
+ """
+ return [tarinfo.name for tarinfo in self.getmembers()]
+
+ def gettarinfo(self, name=None, arcname=None, fileobj=None):
+ """Create a TarInfo object for either the file `name' or the file
+ object `fileobj' (using os.fstat on its file descriptor). You can
+ modify some of the TarInfo's attributes before you add it using
+ addfile(). If given, `arcname' specifies an alternative name for the
+ file in the archive.
+ """
+ self._check("aw")
+
+ # When fileobj is given, replace name by
+ # fileobj's real name.
+ if fileobj is not None:
+ name = fileobj.name
+
+ # Building the name of the member in the archive.
+ # Backward slashes are converted to forward slashes,
+ # Absolute paths are turned to relative paths.
+ if arcname is None:
+ arcname = name
+ drv, arcname = os.path.splitdrive(arcname)
+ arcname = arcname.replace(os.sep, "/")
+ arcname = arcname.lstrip("/")
+
+ # Now, fill the TarInfo object with
+ # information specific for the file.
+ tarinfo = self.tarinfo()
+ tarinfo.tarfile = self
+
+ # Use os.stat or os.lstat, depending on platform
+ # and if symlinks shall be resolved.
+ if fileobj is None:
+ if hasattr(os, "lstat") and not self.dereference:
+ statres = os.lstat(name)
+ else:
+ statres = os.stat(name)
+ else:
+ statres = os.fstat(fileobj.fileno())
+ linkname = ""
+
+ stmd = statres.st_mode
+ if stat.S_ISREG(stmd):
+ inode = (statres.st_ino, statres.st_dev)
+ if not self.dereference and statres.st_nlink > 1 and \
+ inode in self.inodes and arcname != self.inodes[inode]:
+ # Is it a hardlink to an already
+ # archived file?
+ type = LNKTYPE
+ linkname = self.inodes[inode]
+ else:
+ # The inode is added only if its valid.
+ # For win32 it is always 0.
+ type = REGTYPE
+ if inode[0]:
+ self.inodes[inode] = arcname
+ elif stat.S_ISDIR(stmd):
+ type = DIRTYPE
+ elif stat.S_ISFIFO(stmd):
+ type = FIFOTYPE
+ elif stat.S_ISLNK(stmd):
+ type = SYMTYPE
+ linkname = os.readlink(name)
+ elif stat.S_ISCHR(stmd):
+ type = CHRTYPE
+ elif stat.S_ISBLK(stmd):
+ type = BLKTYPE
+ else:
+ return None
+
+ # Fill the TarInfo object with all
+ # information we can get.
+ tarinfo.name = arcname
+ tarinfo.mode = stmd
+ tarinfo.uid = statres.st_uid
+ tarinfo.gid = statres.st_gid
+ if type == REGTYPE:
+ tarinfo.size = statres.st_size
+ else:
+ tarinfo.size = 0
+ tarinfo.mtime = statres.st_mtime
+ tarinfo.type = type
+ tarinfo.linkname = linkname
+ if pwd:
+ try:
+ tarinfo.uname = pwd.getpwuid(tarinfo.uid)[0]
+ except KeyError:
+ pass
+ if grp:
+ try:
+ tarinfo.gname = grp.getgrgid(tarinfo.gid)[0]
+ except KeyError:
+ pass
+
+ if type in (CHRTYPE, BLKTYPE):
+ if hasattr(os, "major") and hasattr(os, "minor"):
+ tarinfo.devmajor = os.major(statres.st_rdev)
+ tarinfo.devminor = os.minor(statres.st_rdev)
+ return tarinfo
+
+ def list(self, verbose=True):
+ """Print a table of contents to sys.stdout. If `verbose' is False, only
+ the names of the members are printed. If it is True, an `ls -l'-like
+ output is produced.
+ """
+ self._check()
+
+ for tarinfo in self:
+ if verbose:
+ print(filemode(tarinfo.mode), end=' ')
+ print("%s/%s" % (tarinfo.uname or tarinfo.uid,
+ tarinfo.gname or tarinfo.gid), end=' ')
+ if tarinfo.ischr() or tarinfo.isblk():
+ print("%10s" % ("%d,%d" \
+ % (tarinfo.devmajor, tarinfo.devminor)), end=' ')
+ else:
+ print("%10d" % tarinfo.size, end=' ')
+ print("%d-%02d-%02d %02d:%02d:%02d" \
+ % time.localtime(tarinfo.mtime)[:6], end=' ')
+
+ print(tarinfo.name + ("/" if tarinfo.isdir() else ""), end=' ')
+
+ if verbose:
+ if tarinfo.issym():
+ print("->", tarinfo.linkname, end=' ')
+ if tarinfo.islnk():
+ print("link to", tarinfo.linkname, end=' ')
+ print()
+
+ def add(self, name, arcname=None, recursive=True, exclude=None, filter=None):
+ """Add the file `name' to the archive. `name' may be any type of file
+ (directory, fifo, symbolic link, etc.). If given, `arcname'
+ specifies an alternative name for the file in the archive.
+ Directories are added recursively by default. This can be avoided by
+ setting `recursive' to False. `exclude' is a function that should
+ return True for each filename to be excluded. `filter' is a function
+ that expects a TarInfo object argument and returns the changed
+ TarInfo object, if it returns None the TarInfo object will be
+ excluded from the archive.
+ """
+ self._check("aw")
+
+ if arcname is None:
+ arcname = name
+
+ # Exclude pathnames.
+ if exclude is not None:
+ import warnings
+ warnings.warn("use the filter argument instead",
+ DeprecationWarning, 2)
+ if exclude(name):
+ self._dbg(2, "tarfile: Excluded %r" % name)
+ return
+
+ # Skip if somebody tries to archive the archive...
+ if self.name is not None and os.path.abspath(name) == self.name:
+ self._dbg(2, "tarfile: Skipped %r" % name)
+ return
+
+ self._dbg(1, name)
+
+ # Create a TarInfo object from the file.
+ tarinfo = self.gettarinfo(name, arcname)
+
+ if tarinfo is None:
+ self._dbg(1, "tarfile: Unsupported type %r" % name)
+ return
+
+ # Change or exclude the TarInfo object.
+ if filter is not None:
+ tarinfo = filter(tarinfo)
+ if tarinfo is None:
+ self._dbg(2, "tarfile: Excluded %r" % name)
+ return
+
+ # Append the tar header and data to the archive.
+ if tarinfo.isreg():
+ f = bltn_open(name, "rb")
+ self.addfile(tarinfo, f)
+ f.close()
+
+ elif tarinfo.isdir():
+ self.addfile(tarinfo)
+ if recursive:
+ for f in os.listdir(name):
+ self.add(os.path.join(name, f), os.path.join(arcname, f),
+ recursive, exclude, filter=filter)
+
+ else:
+ self.addfile(tarinfo)
+
+ def addfile(self, tarinfo, fileobj=None):
+ """Add the TarInfo object `tarinfo' to the archive. If `fileobj' is
+ given, tarinfo.size bytes are read from it and added to the archive.
+ You can create TarInfo objects using gettarinfo().
+ On Windows platforms, `fileobj' should always be opened with mode
+ 'rb' to avoid irritation about the file size.
+ """
+ self._check("aw")
+
+ tarinfo = copy.copy(tarinfo)
+
+ buf = tarinfo.tobuf(self.format, self.encoding, self.errors)
+ self.fileobj.write(buf)
+ self.offset += len(buf)
+
+ # If there's data to follow, append it.
+ if fileobj is not None:
+ copyfileobj(fileobj, self.fileobj, tarinfo.size)
+ blocks, remainder = divmod(tarinfo.size, BLOCKSIZE)
+ if remainder > 0:
+ self.fileobj.write(NUL * (BLOCKSIZE - remainder))
+ blocks += 1
+ self.offset += blocks * BLOCKSIZE
+
+ self.members.append(tarinfo)
+
+ def extractall(self, path=".", members=None):
+ """Extract all members from the archive to the current working
+ directory and set owner, modification time and permissions on
+ directories afterwards. `path' specifies a different directory
+ to extract to. `members' is optional and must be a subset of the
+ list returned by getmembers().
+ """
+ directories = []
+
+ if members is None:
+ members = self
+
+ for tarinfo in members:
+ if tarinfo.isdir():
+ # Extract directories with a safe mode.
+ directories.append(tarinfo)
+ tarinfo = copy.copy(tarinfo)
+ tarinfo.mode = 0o700
+ # Do not set_attrs directories, as we will do that further down
+ self.extract(tarinfo, path, set_attrs=not tarinfo.isdir())
+
+ # Reverse sort directories.
+ directories.sort(key=lambda a: a.name)
+ directories.reverse()
+
+ # Set correct owner, mtime and filemode on directories.
+ for tarinfo in directories:
+ dirpath = os.path.join(path, tarinfo.name)
+ try:
+ self.chown(tarinfo, dirpath)
+ self.utime(tarinfo, dirpath)
+ self.chmod(tarinfo, dirpath)
+ except ExtractError as e:
+ if self.errorlevel > 1:
+ raise
+ else:
+ self._dbg(1, "tarfile: %s" % e)
+
+ def extract(self, member, path="", set_attrs=True):
+ """Extract a member from the archive to the current working directory,
+ using its full name. Its file information is extracted as accurately
+ as possible. `member' may be a filename or a TarInfo object. You can
+ specify a different directory using `path'. File attributes (owner,
+ mtime, mode) are set unless `set_attrs' is False.
+ """
+ self._check("r")
+
+ if isinstance(member, str):
+ tarinfo = self.getmember(member)
+ else:
+ tarinfo = member
+
+ # Prepare the link target for makelink().
+ if tarinfo.islnk():
+ tarinfo._link_target = os.path.join(path, tarinfo.linkname)
+
+ try:
+ self._extract_member(tarinfo, os.path.join(path, tarinfo.name),
+ set_attrs=set_attrs)
+ except EnvironmentError as e:
+ if self.errorlevel > 0:
+ raise
+ else:
+ if e.filename is None:
+ self._dbg(1, "tarfile: %s" % e.strerror)
+ else:
+ self._dbg(1, "tarfile: %s %r" % (e.strerror, e.filename))
+ except ExtractError as e:
+ if self.errorlevel > 1:
+ raise
+ else:
+ self._dbg(1, "tarfile: %s" % e)
+
+ def extractfile(self, member):
+ """Extract a member from the archive as a file object. `member' may be
+ a filename or a TarInfo object. If `member' is a regular file, a
+ file-like object is returned. If `member' is a link, a file-like
+ object is constructed from the link's target. If `member' is none of
+ the above, None is returned.
+ The file-like object is read-only and provides the following
+ methods: read(), readline(), readlines(), seek() and tell()
+ """
+ self._check("r")
+
+ if isinstance(member, str):
+ tarinfo = self.getmember(member)
+ else:
+ tarinfo = member
+
+ if tarinfo.isreg():
+ return self.fileobject(self, tarinfo)
+
+ elif tarinfo.type not in SUPPORTED_TYPES:
+ # If a member's type is unknown, it is treated as a
+ # regular file.
+ return self.fileobject(self, tarinfo)
+
+ elif tarinfo.islnk() or tarinfo.issym():
+ if isinstance(self.fileobj, _Stream):
+ # A small but ugly workaround for the case that someone tries
+ # to extract a (sym)link as a file-object from a non-seekable
+ # stream of tar blocks.
+ raise StreamError("cannot extract (sym)link as file object")
+ else:
+ # A (sym)link's file object is its target's file object.
+ return self.extractfile(self._find_link_target(tarinfo))
+ else:
+ # If there's no data associated with the member (directory, chrdev,
+ # blkdev, etc.), return None instead of a file object.
+ return None
+
+ def _extract_member(self, tarinfo, targetpath, set_attrs=True):
+ """Extract the TarInfo object tarinfo to a physical
+ file called targetpath.
+ """
+ # Fetch the TarInfo object for the given name
+ # and build the destination pathname, replacing
+ # forward slashes to platform specific separators.
+ targetpath = targetpath.rstrip("/")
+ targetpath = targetpath.replace("/", os.sep)
+
+ # Create all upper directories.
+ upperdirs = os.path.dirname(targetpath)
+ if upperdirs and not os.path.exists(upperdirs):
+ # Create directories that are not part of the archive with
+ # default permissions.
+ os.makedirs(upperdirs)
+
+ if tarinfo.islnk() or tarinfo.issym():
+ self._dbg(1, "%s -> %s" % (tarinfo.name, tarinfo.linkname))
+ else:
+ self._dbg(1, tarinfo.name)
+
+ if tarinfo.isreg():
+ self.makefile(tarinfo, targetpath)
+ elif tarinfo.isdir():
+ self.makedir(tarinfo, targetpath)
+ elif tarinfo.isfifo():
+ self.makefifo(tarinfo, targetpath)
+ elif tarinfo.ischr() or tarinfo.isblk():
+ self.makedev(tarinfo, targetpath)
+ elif tarinfo.islnk() or tarinfo.issym():
+ self.makelink(tarinfo, targetpath)
+ elif tarinfo.type not in SUPPORTED_TYPES:
+ self.makeunknown(tarinfo, targetpath)
+ else:
+ self.makefile(tarinfo, targetpath)
+
+ if set_attrs:
+ self.chown(tarinfo, targetpath)
+ if not tarinfo.issym():
+ self.chmod(tarinfo, targetpath)
+ self.utime(tarinfo, targetpath)
+
+ #--------------------------------------------------------------------------
+ # Below are the different file methods. They are called via
+ # _extract_member() when extract() is called. They can be replaced in a
+ # subclass to implement other functionality.
+
+ def makedir(self, tarinfo, targetpath):
+ """Make a directory called targetpath.
+ """
+ try:
+ # Use a safe mode for the directory, the real mode is set
+ # later in _extract_member().
+ os.mkdir(targetpath, 0o700)
+ except EnvironmentError as e:
+ if e.errno != errno.EEXIST:
+ raise
+
+ def makefile(self, tarinfo, targetpath):
+ """Make a file called targetpath.
+ """
+ source = self.fileobj
+ source.seek(tarinfo.offset_data)
+ target = bltn_open(targetpath, "wb")
+ if tarinfo.sparse is not None:
+ for offset, size in tarinfo.sparse:
+ target.seek(offset)
+ copyfileobj(source, target, size)
+ else:
+ copyfileobj(source, target, tarinfo.size)
+ target.seek(tarinfo.size)
+ target.truncate()
+ target.close()
+
+ def makeunknown(self, tarinfo, targetpath):
+ """Make a file from a TarInfo object with an unknown type
+ at targetpath.
+ """
+ self.makefile(tarinfo, targetpath)
+ self._dbg(1, "tarfile: Unknown file type %r, " \
+ "extracted as regular file." % tarinfo.type)
+
+ def makefifo(self, tarinfo, targetpath):
+ """Make a fifo called targetpath.
+ """
+ if hasattr(os, "mkfifo"):
+ os.mkfifo(targetpath)
+ else:
+ raise ExtractError("fifo not supported by system")
+
+ def makedev(self, tarinfo, targetpath):
+ """Make a character or block device called targetpath.
+ """
+ if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
+ raise ExtractError("special devices not supported by system")
+
+ mode = tarinfo.mode
+ if tarinfo.isblk():
+ mode |= stat.S_IFBLK
+ else:
+ mode |= stat.S_IFCHR
+
+ os.mknod(targetpath, mode,
+ os.makedev(tarinfo.devmajor, tarinfo.devminor))
+
+ def makelink(self, tarinfo, targetpath):
+ """Make a (symbolic) link called targetpath. If it cannot be created
+ (platform limitation), we try to make a copy of the referenced file
+ instead of a link.
+ """
+ try:
+ # For systems that support symbolic and hard links.
+ if tarinfo.issym():
+ os.symlink(tarinfo.linkname, targetpath)
+ else:
+ # See extract().
+ if os.path.exists(tarinfo._link_target):
+ os.link(tarinfo._link_target, targetpath)
+ else:
+ self._extract_member(self._find_link_target(tarinfo),
+ targetpath)
+ except symlink_exception:
+ if tarinfo.issym():
+ linkpath = os.path.join(os.path.dirname(tarinfo.name),
+ tarinfo.linkname)
+ else:
+ linkpath = tarinfo.linkname
+ else:
+ try:
+ self._extract_member(self._find_link_target(tarinfo),
+ targetpath)
+ except KeyError:
+ raise ExtractError("unable to resolve link inside archive")
+
+ def chown(self, tarinfo, targetpath):
+ """Set owner of targetpath according to tarinfo.
+ """
+ if pwd and hasattr(os, "geteuid") and os.geteuid() == 0:
+ # We have to be root to do so.
+ try:
+ g = grp.getgrnam(tarinfo.gname)[2]
+ except KeyError:
+ g = tarinfo.gid
+ try:
+ u = pwd.getpwnam(tarinfo.uname)[2]
+ except KeyError:
+ u = tarinfo.uid
+ try:
+ if tarinfo.issym() and hasattr(os, "lchown"):
+ os.lchown(targetpath, u, g)
+ else:
+ if sys.platform != "os2emx":
+ os.chown(targetpath, u, g)
+ except EnvironmentError as e:
+ raise ExtractError("could not change owner")
+
+ def chmod(self, tarinfo, targetpath):
+ """Set file permissions of targetpath according to tarinfo.
+ """
+ if hasattr(os, 'chmod'):
+ try:
+ os.chmod(targetpath, tarinfo.mode)
+ except EnvironmentError as e:
+ raise ExtractError("could not change mode")
+
+ def utime(self, tarinfo, targetpath):
+ """Set modification time of targetpath according to tarinfo.
+ """
+ if not hasattr(os, 'utime'):
+ return
+ try:
+ os.utime(targetpath, (tarinfo.mtime, tarinfo.mtime))
+ except EnvironmentError as e:
+ raise ExtractError("could not change modification time")
+
+ #--------------------------------------------------------------------------
+ def next(self):
+ """Return the next member of the archive as a TarInfo object, when
+ TarFile is opened for reading. Return None if there is no more
+ available.
+ """
+ self._check("ra")
+ if self.firstmember is not None:
+ m = self.firstmember
+ self.firstmember = None
+ return m
+
+ # Read the next block.
+ self.fileobj.seek(self.offset)
+ tarinfo = None
+ while True:
+ try:
+ tarinfo = self.tarinfo.fromtarfile(self)
+ except EOFHeaderError as e:
+ if self.ignore_zeros:
+ self._dbg(2, "0x%X: %s" % (self.offset, e))
+ self.offset += BLOCKSIZE
+ continue
+ except InvalidHeaderError as e:
+ if self.ignore_zeros:
+ self._dbg(2, "0x%X: %s" % (self.offset, e))
+ self.offset += BLOCKSIZE
+ continue
+ elif self.offset == 0:
+ raise ReadError(str(e))
+ except EmptyHeaderError:
+ if self.offset == 0:
+ raise ReadError("empty file")
+ except TruncatedHeaderError as e:
+ if self.offset == 0:
+ raise ReadError(str(e))
+ except SubsequentHeaderError as e:
+ raise ReadError(str(e))
+ break
+
+ if tarinfo is not None:
+ self.members.append(tarinfo)
+ else:
+ self._loaded = True
+
+ return tarinfo
+
+ #--------------------------------------------------------------------------
+ # Little helper methods:
+
+ def _getmember(self, name, tarinfo=None, normalize=False):
+ """Find an archive member by name from bottom to top.
+ If tarinfo is given, it is used as the starting point.
+ """
+ # Ensure that all members have been loaded.
+ members = self.getmembers()
+
+ # Limit the member search list up to tarinfo.
+ if tarinfo is not None:
+ members = members[:members.index(tarinfo)]
+
+ if normalize:
+ name = os.path.normpath(name)
+
+ for member in reversed(members):
+ if normalize:
+ member_name = os.path.normpath(member.name)
+ else:
+ member_name = member.name
+
+ if name == member_name:
+ return member
+
+ def _load(self):
+ """Read through the entire archive file and look for readable
+ members.
+ """
+ while True:
+ tarinfo = self.next()
+ if tarinfo is None:
+ break
+ self._loaded = True
+
+ def _check(self, mode=None):
+ """Check if TarFile is still open, and if the operation's mode
+ corresponds to TarFile's mode.
+ """
+ if self.closed:
+ raise IOError("%s is closed" % self.__class__.__name__)
+ if mode is not None and self.mode not in mode:
+ raise IOError("bad operation for mode %r" % self.mode)
+
+ def _find_link_target(self, tarinfo):
+ """Find the target member of a symlink or hardlink member in the
+ archive.
+ """
+ if tarinfo.issym():
+ # Always search the entire archive.
+ linkname = os.path.dirname(tarinfo.name) + "/" + tarinfo.linkname
+ limit = None
+ else:
+ # Search the archive before the link, because a hard link is
+ # just a reference to an already archived file.
+ linkname = tarinfo.linkname
+ limit = tarinfo
+
+ member = self._getmember(linkname, tarinfo=limit, normalize=True)
+ if member is None:
+ raise KeyError("linkname %r not found" % linkname)
+ return member
+
+ def __iter__(self):
+ """Provide an iterator object.
+ """
+ if self._loaded:
+ return iter(self.members)
+ else:
+ return TarIter(self)
+
+ def _dbg(self, level, msg):
+ """Write debugging output to sys.stderr.
+ """
+ if level <= self.debug:
+ print(msg, file=sys.stderr)
+
+ def __enter__(self):
+ self._check()
+ return self
+
+ def __exit__(self, type, value, traceback):
+ if type is None:
+ self.close()
+ else:
+ # An exception occurred. We must not call close() because
+ # it would try to write end-of-archive blocks and padding.
+ if not self._extfileobj:
+ self.fileobj.close()
+ self.closed = True
+# class TarFile
+
+class TarIter(object):
+ """Iterator Class.
+
+ for tarinfo in TarFile(...):
+ suite...
+ """
+
+ def __init__(self, tarfile):
+ """Construct a TarIter object.
+ """
+ self.tarfile = tarfile
+ self.index = 0
+ def __iter__(self):
+ """Return iterator object.
+ """
+ return self
+
+ def __next__(self):
+ """Return the next item using TarFile's next() method.
+ When all members have been read, set TarFile as _loaded.
+ """
+ # Fix for SF #1100429: Under rare circumstances it can
+ # happen that getmembers() is called during iteration,
+ # which will cause TarIter to stop prematurely.
+ if not self.tarfile._loaded:
+ tarinfo = self.tarfile.next()
+ if not tarinfo:
+ self.tarfile._loaded = True
+ raise StopIteration
+ else:
+ try:
+ tarinfo = self.tarfile.members[self.index]
+ except IndexError:
+ raise StopIteration
+ self.index += 1
+ return tarinfo
+
+ next = __next__ # for Python 2.x
+
+#--------------------
+# exported functions
+#--------------------
+def is_tarfile(name):
+ """Return True if name points to a tar archive that we
+ are able to handle, else return False.
+ """
+ try:
+ t = open(name)
+ t.close()
+ return True
+ except TarError:
+ return False
+
+bltn_open = open
+open = TarFile.open
diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/compat.py b/Scripts/Lib/site-packages/pip/_vendor/distlib/compat.py
new file mode 100644
index 0000000..c316fd9
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/distlib/compat.py
@@ -0,0 +1,1120 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2013-2017 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+from __future__ import absolute_import
+
+import os
+import re
+import sys
+
+try:
+ import ssl
+except ImportError: # pragma: no cover
+ ssl = None
+
+if sys.version_info[0] < 3: # pragma: no cover
+ from StringIO import StringIO
+ string_types = basestring,
+ text_type = unicode
+ from types import FileType as file_type
+ import __builtin__ as builtins
+ import ConfigParser as configparser
+ from ._backport import shutil
+ from urlparse import urlparse, urlunparse, urljoin, urlsplit, urlunsplit
+ from urllib import (urlretrieve, quote as _quote, unquote, url2pathname,
+ pathname2url, ContentTooShortError, splittype)
+
+ def quote(s):
+ if isinstance(s, unicode):
+ s = s.encode('utf-8')
+ return _quote(s)
+
+ import urllib2
+ from urllib2 import (Request, urlopen, URLError, HTTPError,
+ HTTPBasicAuthHandler, HTTPPasswordMgr,
+ HTTPHandler, HTTPRedirectHandler,
+ build_opener)
+ if ssl:
+ from urllib2 import HTTPSHandler
+ import httplib
+ import xmlrpclib
+ import Queue as queue
+ from HTMLParser import HTMLParser
+ import htmlentitydefs
+ raw_input = raw_input
+ from itertools import ifilter as filter
+ from itertools import ifilterfalse as filterfalse
+
+ _userprog = None
+ def splituser(host):
+ """splituser('user[:passwd]@host[:port]') --> 'user[:passwd]', 'host[:port]'."""
+ global _userprog
+ if _userprog is None:
+ import re
+ _userprog = re.compile('^(.*)@(.*)$')
+
+ match = _userprog.match(host)
+ if match: return match.group(1, 2)
+ return None, host
+
+else: # pragma: no cover
+ from io import StringIO
+ string_types = str,
+ text_type = str
+ from io import TextIOWrapper as file_type
+ import builtins
+ import configparser
+ import shutil
+ from urllib.parse import (urlparse, urlunparse, urljoin, splituser, quote,
+ unquote, urlsplit, urlunsplit, splittype)
+ from urllib.request import (urlopen, urlretrieve, Request, url2pathname,
+ pathname2url,
+ HTTPBasicAuthHandler, HTTPPasswordMgr,
+ HTTPHandler, HTTPRedirectHandler,
+ build_opener)
+ if ssl:
+ from urllib.request import HTTPSHandler
+ from urllib.error import HTTPError, URLError, ContentTooShortError
+ import http.client as httplib
+ import urllib.request as urllib2
+ import xmlrpc.client as xmlrpclib
+ import queue
+ from html.parser import HTMLParser
+ import html.entities as htmlentitydefs
+ raw_input = input
+ from itertools import filterfalse
+ filter = filter
+
+try:
+ from ssl import match_hostname, CertificateError
+except ImportError: # pragma: no cover
+ class CertificateError(ValueError):
+ pass
+
+
+ def _dnsname_match(dn, hostname, max_wildcards=1):
+ """Matching according to RFC 6125, section 6.4.3
+
+ http://tools.ietf.org/html/rfc6125#section-6.4.3
+ """
+ pats = []
+ if not dn:
+ return False
+
+ parts = dn.split('.')
+ leftmost, remainder = parts[0], parts[1:]
+
+ wildcards = leftmost.count('*')
+ if wildcards > max_wildcards:
+ # Issue #17980: avoid denials of service by refusing more
+ # than one wildcard per fragment. A survey of established
+ # policy among SSL implementations showed it to be a
+ # reasonable choice.
+ raise CertificateError(
+ "too many wildcards in certificate DNS name: " + repr(dn))
+
+ # speed up common case w/o wildcards
+ if not wildcards:
+ return dn.lower() == hostname.lower()
+
+ # RFC 6125, section 6.4.3, subitem 1.
+ # The client SHOULD NOT attempt to match a presented identifier in which
+ # the wildcard character comprises a label other than the left-most label.
+ if leftmost == '*':
+ # When '*' is a fragment by itself, it matches a non-empty dotless
+ # fragment.
+ pats.append('[^.]+')
+ elif leftmost.startswith('xn--') or hostname.startswith('xn--'):
+ # RFC 6125, section 6.4.3, subitem 3.
+ # The client SHOULD NOT attempt to match a presented identifier
+ # where the wildcard character is embedded within an A-label or
+ # U-label of an internationalized domain name.
+ pats.append(re.escape(leftmost))
+ else:
+ # Otherwise, '*' matches any dotless string, e.g. www*
+ pats.append(re.escape(leftmost).replace(r'\*', '[^.]*'))
+
+ # add the remaining fragments, ignore any wildcards
+ for frag in remainder:
+ pats.append(re.escape(frag))
+
+ pat = re.compile(r'\A' + r'\.'.join(pats) + r'\Z', re.IGNORECASE)
+ return pat.match(hostname)
+
+
+ def match_hostname(cert, hostname):
+ """Verify that *cert* (in decoded format as returned by
+ SSLSocket.getpeercert()) matches the *hostname*. RFC 2818 and RFC 6125
+ rules are followed, but IP addresses are not accepted for *hostname*.
+
+ CertificateError is raised on failure. On success, the function
+ returns nothing.
+ """
+ if not cert:
+ raise ValueError("empty or no certificate, match_hostname needs a "
+ "SSL socket or SSL context with either "
+ "CERT_OPTIONAL or CERT_REQUIRED")
+ dnsnames = []
+ san = cert.get('subjectAltName', ())
+ for key, value in san:
+ if key == 'DNS':
+ if _dnsname_match(value, hostname):
+ return
+ dnsnames.append(value)
+ if not dnsnames:
+ # The subject is only checked when there is no dNSName entry
+ # in subjectAltName
+ for sub in cert.get('subject', ()):
+ for key, value in sub:
+ # XXX according to RFC 2818, the most specific Common Name
+ # must be used.
+ if key == 'commonName':
+ if _dnsname_match(value, hostname):
+ return
+ dnsnames.append(value)
+ if len(dnsnames) > 1:
+ raise CertificateError("hostname %r "
+ "doesn't match either of %s"
+ % (hostname, ', '.join(map(repr, dnsnames))))
+ elif len(dnsnames) == 1:
+ raise CertificateError("hostname %r "
+ "doesn't match %r"
+ % (hostname, dnsnames[0]))
+ else:
+ raise CertificateError("no appropriate commonName or "
+ "subjectAltName fields were found")
+
+
+try:
+ from types import SimpleNamespace as Container
+except ImportError: # pragma: no cover
+ class Container(object):
+ """
+ A generic container for when multiple values need to be returned
+ """
+ def __init__(self, **kwargs):
+ self.__dict__.update(kwargs)
+
+
+try:
+ from shutil import which
+except ImportError: # pragma: no cover
+ # Implementation from Python 3.3
+ def which(cmd, mode=os.F_OK | os.X_OK, path=None):
+ """Given a command, mode, and a PATH string, return the path which
+ conforms to the given mode on the PATH, or None if there is no such
+ file.
+
+ `mode` defaults to os.F_OK | os.X_OK. `path` defaults to the result
+ of os.environ.get("PATH"), or can be overridden with a custom search
+ path.
+
+ """
+ # Check that a given file can be accessed with the correct mode.
+ # Additionally check that `file` is not a directory, as on Windows
+ # directories pass the os.access check.
+ def _access_check(fn, mode):
+ return (os.path.exists(fn) and os.access(fn, mode)
+ and not os.path.isdir(fn))
+
+ # If we're given a path with a directory part, look it up directly rather
+ # than referring to PATH directories. This includes checking relative to the
+ # current directory, e.g. ./script
+ if os.path.dirname(cmd):
+ if _access_check(cmd, mode):
+ return cmd
+ return None
+
+ if path is None:
+ path = os.environ.get("PATH", os.defpath)
+ if not path:
+ return None
+ path = path.split(os.pathsep)
+
+ if sys.platform == "win32":
+ # The current directory takes precedence on Windows.
+ if not os.curdir in path:
+ path.insert(0, os.curdir)
+
+ # PATHEXT is necessary to check on Windows.
+ pathext = os.environ.get("PATHEXT", "").split(os.pathsep)
+ # See if the given file matches any of the expected path extensions.
+ # This will allow us to short circuit when given "python.exe".
+ # If it does match, only test that one, otherwise we have to try
+ # others.
+ if any(cmd.lower().endswith(ext.lower()) for ext in pathext):
+ files = [cmd]
+ else:
+ files = [cmd + ext for ext in pathext]
+ else:
+ # On other platforms you don't have things like PATHEXT to tell you
+ # what file suffixes are executable, so just pass on cmd as-is.
+ files = [cmd]
+
+ seen = set()
+ for dir in path:
+ normdir = os.path.normcase(dir)
+ if not normdir in seen:
+ seen.add(normdir)
+ for thefile in files:
+ name = os.path.join(dir, thefile)
+ if _access_check(name, mode):
+ return name
+ return None
+
+
+# ZipFile is a context manager in 2.7, but not in 2.6
+
+from zipfile import ZipFile as BaseZipFile
+
+if hasattr(BaseZipFile, '__enter__'): # pragma: no cover
+ ZipFile = BaseZipFile
+else: # pragma: no cover
+ from zipfile import ZipExtFile as BaseZipExtFile
+
+ class ZipExtFile(BaseZipExtFile):
+ def __init__(self, base):
+ self.__dict__.update(base.__dict__)
+
+ def __enter__(self):
+ return self
+
+ def __exit__(self, *exc_info):
+ self.close()
+ # return None, so if an exception occurred, it will propagate
+
+ class ZipFile(BaseZipFile):
+ def __enter__(self):
+ return self
+
+ def __exit__(self, *exc_info):
+ self.close()
+ # return None, so if an exception occurred, it will propagate
+
+ def open(self, *args, **kwargs):
+ base = BaseZipFile.open(self, *args, **kwargs)
+ return ZipExtFile(base)
+
+try:
+ from platform import python_implementation
+except ImportError: # pragma: no cover
+ def python_implementation():
+ """Return a string identifying the Python implementation."""
+ if 'PyPy' in sys.version:
+ return 'PyPy'
+ if os.name == 'java':
+ return 'Jython'
+ if sys.version.startswith('IronPython'):
+ return 'IronPython'
+ return 'CPython'
+
+try:
+ import sysconfig
+except ImportError: # pragma: no cover
+ from ._backport import sysconfig
+
+try:
+ callable = callable
+except NameError: # pragma: no cover
+ from collections.abc import Callable
+
+ def callable(obj):
+ return isinstance(obj, Callable)
+
+
+try:
+ fsencode = os.fsencode
+ fsdecode = os.fsdecode
+except AttributeError: # pragma: no cover
+ # Issue #99: on some systems (e.g. containerised),
+ # sys.getfilesystemencoding() returns None, and we need a real value,
+ # so fall back to utf-8. From the CPython 2.7 docs relating to Unix and
+ # sys.getfilesystemencoding(): the return value is "the user’s preference
+ # according to the result of nl_langinfo(CODESET), or None if the
+ # nl_langinfo(CODESET) failed."
+ _fsencoding = sys.getfilesystemencoding() or 'utf-8'
+ if _fsencoding == 'mbcs':
+ _fserrors = 'strict'
+ else:
+ _fserrors = 'surrogateescape'
+
+ def fsencode(filename):
+ if isinstance(filename, bytes):
+ return filename
+ elif isinstance(filename, text_type):
+ return filename.encode(_fsencoding, _fserrors)
+ else:
+ raise TypeError("expect bytes or str, not %s" %
+ type(filename).__name__)
+
+ def fsdecode(filename):
+ if isinstance(filename, text_type):
+ return filename
+ elif isinstance(filename, bytes):
+ return filename.decode(_fsencoding, _fserrors)
+ else:
+ raise TypeError("expect bytes or str, not %s" %
+ type(filename).__name__)
+
+try:
+ from tokenize import detect_encoding
+except ImportError: # pragma: no cover
+ from codecs import BOM_UTF8, lookup
+ import re
+
+ cookie_re = re.compile(r"coding[:=]\s*([-\w.]+)")
+
+ def _get_normal_name(orig_enc):
+ """Imitates get_normal_name in tokenizer.c."""
+ # Only care about the first 12 characters.
+ enc = orig_enc[:12].lower().replace("_", "-")
+ if enc == "utf-8" or enc.startswith("utf-8-"):
+ return "utf-8"
+ if enc in ("latin-1", "iso-8859-1", "iso-latin-1") or \
+ enc.startswith(("latin-1-", "iso-8859-1-", "iso-latin-1-")):
+ return "iso-8859-1"
+ return orig_enc
+
+ def detect_encoding(readline):
+ """
+ The detect_encoding() function is used to detect the encoding that should
+ be used to decode a Python source file. It requires one argument, readline,
+ in the same way as the tokenize() generator.
+
+ It will call readline a maximum of twice, and return the encoding used
+ (as a string) and a list of any lines (left as bytes) it has read in.
+
+ It detects the encoding from the presence of a utf-8 bom or an encoding
+ cookie as specified in pep-0263. If both a bom and a cookie are present,
+ but disagree, a SyntaxError will be raised. If the encoding cookie is an
+ invalid charset, raise a SyntaxError. Note that if a utf-8 bom is found,
+ 'utf-8-sig' is returned.
+
+ If no encoding is specified, then the default of 'utf-8' will be returned.
+ """
+ try:
+ filename = readline.__self__.name
+ except AttributeError:
+ filename = None
+ bom_found = False
+ encoding = None
+ default = 'utf-8'
+ def read_or_stop():
+ try:
+ return readline()
+ except StopIteration:
+ return b''
+
+ def find_cookie(line):
+ try:
+ # Decode as UTF-8. Either the line is an encoding declaration,
+ # in which case it should be pure ASCII, or it must be UTF-8
+ # per default encoding.
+ line_string = line.decode('utf-8')
+ except UnicodeDecodeError:
+ msg = "invalid or missing encoding declaration"
+ if filename is not None:
+ msg = '{} for {!r}'.format(msg, filename)
+ raise SyntaxError(msg)
+
+ matches = cookie_re.findall(line_string)
+ if not matches:
+ return None
+ encoding = _get_normal_name(matches[0])
+ try:
+ codec = lookup(encoding)
+ except LookupError:
+ # This behaviour mimics the Python interpreter
+ if filename is None:
+ msg = "unknown encoding: " + encoding
+ else:
+ msg = "unknown encoding for {!r}: {}".format(filename,
+ encoding)
+ raise SyntaxError(msg)
+
+ if bom_found:
+ if codec.name != 'utf-8':
+ # This behaviour mimics the Python interpreter
+ if filename is None:
+ msg = 'encoding problem: utf-8'
+ else:
+ msg = 'encoding problem for {!r}: utf-8'.format(filename)
+ raise SyntaxError(msg)
+ encoding += '-sig'
+ return encoding
+
+ first = read_or_stop()
+ if first.startswith(BOM_UTF8):
+ bom_found = True
+ first = first[3:]
+ default = 'utf-8-sig'
+ if not first:
+ return default, []
+
+ encoding = find_cookie(first)
+ if encoding:
+ return encoding, [first]
+
+ second = read_or_stop()
+ if not second:
+ return default, [first]
+
+ encoding = find_cookie(second)
+ if encoding:
+ return encoding, [first, second]
+
+ return default, [first, second]
+
+# For converting & <-> & etc.
+try:
+ from html import escape
+except ImportError:
+ from cgi import escape
+if sys.version_info[:2] < (3, 4):
+ unescape = HTMLParser().unescape
+else:
+ from html import unescape
+
+try:
+ from collections import ChainMap
+except ImportError: # pragma: no cover
+ from collections import MutableMapping
+
+ try:
+ from reprlib import recursive_repr as _recursive_repr
+ except ImportError:
+ def _recursive_repr(fillvalue='...'):
+ '''
+ Decorator to make a repr function return fillvalue for a recursive
+ call
+ '''
+
+ def decorating_function(user_function):
+ repr_running = set()
+
+ def wrapper(self):
+ key = id(self), get_ident()
+ if key in repr_running:
+ return fillvalue
+ repr_running.add(key)
+ try:
+ result = user_function(self)
+ finally:
+ repr_running.discard(key)
+ return result
+
+ # Can't use functools.wraps() here because of bootstrap issues
+ wrapper.__module__ = getattr(user_function, '__module__')
+ wrapper.__doc__ = getattr(user_function, '__doc__')
+ wrapper.__name__ = getattr(user_function, '__name__')
+ wrapper.__annotations__ = getattr(user_function, '__annotations__', {})
+ return wrapper
+
+ return decorating_function
+
+ class ChainMap(MutableMapping):
+ ''' A ChainMap groups multiple dicts (or other mappings) together
+ to create a single, updateable view.
+
+ The underlying mappings are stored in a list. That list is public and can
+ accessed or updated using the *maps* attribute. There is no other state.
+
+ Lookups search the underlying mappings successively until a key is found.
+ In contrast, writes, updates, and deletions only operate on the first
+ mapping.
+
+ '''
+
+ def __init__(self, *maps):
+ '''Initialize a ChainMap by setting *maps* to the given mappings.
+ If no mappings are provided, a single empty dictionary is used.
+
+ '''
+ self.maps = list(maps) or [{}] # always at least one map
+
+ def __missing__(self, key):
+ raise KeyError(key)
+
+ def __getitem__(self, key):
+ for mapping in self.maps:
+ try:
+ return mapping[key] # can't use 'key in mapping' with defaultdict
+ except KeyError:
+ pass
+ return self.__missing__(key) # support subclasses that define __missing__
+
+ def get(self, key, default=None):
+ return self[key] if key in self else default
+
+ def __len__(self):
+ return len(set().union(*self.maps)) # reuses stored hash values if possible
+
+ def __iter__(self):
+ return iter(set().union(*self.maps))
+
+ def __contains__(self, key):
+ return any(key in m for m in self.maps)
+
+ def __bool__(self):
+ return any(self.maps)
+
+ @_recursive_repr()
+ def __repr__(self):
+ return '{0.__class__.__name__}({1})'.format(
+ self, ', '.join(map(repr, self.maps)))
+
+ @classmethod
+ def fromkeys(cls, iterable, *args):
+ 'Create a ChainMap with a single dict created from the iterable.'
+ return cls(dict.fromkeys(iterable, *args))
+
+ def copy(self):
+ 'New ChainMap or subclass with a new copy of maps[0] and refs to maps[1:]'
+ return self.__class__(self.maps[0].copy(), *self.maps[1:])
+
+ __copy__ = copy
+
+ def new_child(self): # like Django's Context.push()
+ 'New ChainMap with a new dict followed by all previous maps.'
+ return self.__class__({}, *self.maps)
+
+ @property
+ def parents(self): # like Django's Context.pop()
+ 'New ChainMap from maps[1:].'
+ return self.__class__(*self.maps[1:])
+
+ def __setitem__(self, key, value):
+ self.maps[0][key] = value
+
+ def __delitem__(self, key):
+ try:
+ del self.maps[0][key]
+ except KeyError:
+ raise KeyError('Key not found in the first mapping: {!r}'.format(key))
+
+ def popitem(self):
+ 'Remove and return an item pair from maps[0]. Raise KeyError is maps[0] is empty.'
+ try:
+ return self.maps[0].popitem()
+ except KeyError:
+ raise KeyError('No keys found in the first mapping.')
+
+ def pop(self, key, *args):
+ 'Remove *key* from maps[0] and return its value. Raise KeyError if *key* not in maps[0].'
+ try:
+ return self.maps[0].pop(key, *args)
+ except KeyError:
+ raise KeyError('Key not found in the first mapping: {!r}'.format(key))
+
+ def clear(self):
+ 'Clear maps[0], leaving maps[1:] intact.'
+ self.maps[0].clear()
+
+try:
+ from importlib.util import cache_from_source # Python >= 3.4
+except ImportError: # pragma: no cover
+ try:
+ from imp import cache_from_source
+ except ImportError: # pragma: no cover
+ def cache_from_source(path, debug_override=None):
+ assert path.endswith('.py')
+ if debug_override is None:
+ debug_override = __debug__
+ if debug_override:
+ suffix = 'c'
+ else:
+ suffix = 'o'
+ return path + suffix
+
+try:
+ from collections import OrderedDict
+except ImportError: # pragma: no cover
+## {{{ http://code.activestate.com/recipes/576693/ (r9)
+# Backport of OrderedDict() class that runs on Python 2.4, 2.5, 2.6, 2.7 and pypy.
+# Passes Python2.7's test suite and incorporates all the latest updates.
+ try:
+ from thread import get_ident as _get_ident
+ except ImportError:
+ from dummy_thread import get_ident as _get_ident
+
+ try:
+ from _abcoll import KeysView, ValuesView, ItemsView
+ except ImportError:
+ pass
+
+
+ class OrderedDict(dict):
+ 'Dictionary that remembers insertion order'
+ # An inherited dict maps keys to values.
+ # The inherited dict provides __getitem__, __len__, __contains__, and get.
+ # The remaining methods are order-aware.
+ # Big-O running times for all methods are the same as for regular dictionaries.
+
+ # The internal self.__map dictionary maps keys to links in a doubly linked list.
+ # The circular doubly linked list starts and ends with a sentinel element.
+ # The sentinel element never gets deleted (this simplifies the algorithm).
+ # Each link is stored as a list of length three: [PREV, NEXT, KEY].
+
+ def __init__(self, *args, **kwds):
+ '''Initialize an ordered dictionary. Signature is the same as for
+ regular dictionaries, but keyword arguments are not recommended
+ because their insertion order is arbitrary.
+
+ '''
+ if len(args) > 1:
+ raise TypeError('expected at most 1 arguments, got %d' % len(args))
+ try:
+ self.__root
+ except AttributeError:
+ self.__root = root = [] # sentinel node
+ root[:] = [root, root, None]
+ self.__map = {}
+ self.__update(*args, **kwds)
+
+ def __setitem__(self, key, value, dict_setitem=dict.__setitem__):
+ 'od.__setitem__(i, y) <==> od[i]=y'
+ # Setting a new item creates a new link which goes at the end of the linked
+ # list, and the inherited dictionary is updated with the new key/value pair.
+ if key not in self:
+ root = self.__root
+ last = root[0]
+ last[1] = root[0] = self.__map[key] = [last, root, key]
+ dict_setitem(self, key, value)
+
+ def __delitem__(self, key, dict_delitem=dict.__delitem__):
+ 'od.__delitem__(y) <==> del od[y]'
+ # Deleting an existing item uses self.__map to find the link which is
+ # then removed by updating the links in the predecessor and successor nodes.
+ dict_delitem(self, key)
+ link_prev, link_next, key = self.__map.pop(key)
+ link_prev[1] = link_next
+ link_next[0] = link_prev
+
+ def __iter__(self):
+ 'od.__iter__() <==> iter(od)'
+ root = self.__root
+ curr = root[1]
+ while curr is not root:
+ yield curr[2]
+ curr = curr[1]
+
+ def __reversed__(self):
+ 'od.__reversed__() <==> reversed(od)'
+ root = self.__root
+ curr = root[0]
+ while curr is not root:
+ yield curr[2]
+ curr = curr[0]
+
+ def clear(self):
+ 'od.clear() -> None. Remove all items from od.'
+ try:
+ for node in self.__map.itervalues():
+ del node[:]
+ root = self.__root
+ root[:] = [root, root, None]
+ self.__map.clear()
+ except AttributeError:
+ pass
+ dict.clear(self)
+
+ def popitem(self, last=True):
+ '''od.popitem() -> (k, v), return and remove a (key, value) pair.
+ Pairs are returned in LIFO order if last is true or FIFO order if false.
+
+ '''
+ if not self:
+ raise KeyError('dictionary is empty')
+ root = self.__root
+ if last:
+ link = root[0]
+ link_prev = link[0]
+ link_prev[1] = root
+ root[0] = link_prev
+ else:
+ link = root[1]
+ link_next = link[1]
+ root[1] = link_next
+ link_next[0] = root
+ key = link[2]
+ del self.__map[key]
+ value = dict.pop(self, key)
+ return key, value
+
+ # -- the following methods do not depend on the internal structure --
+
+ def keys(self):
+ 'od.keys() -> list of keys in od'
+ return list(self)
+
+ def values(self):
+ 'od.values() -> list of values in od'
+ return [self[key] for key in self]
+
+ def items(self):
+ 'od.items() -> list of (key, value) pairs in od'
+ return [(key, self[key]) for key in self]
+
+ def iterkeys(self):
+ 'od.iterkeys() -> an iterator over the keys in od'
+ return iter(self)
+
+ def itervalues(self):
+ 'od.itervalues -> an iterator over the values in od'
+ for k in self:
+ yield self[k]
+
+ def iteritems(self):
+ 'od.iteritems -> an iterator over the (key, value) items in od'
+ for k in self:
+ yield (k, self[k])
+
+ def update(*args, **kwds):
+ '''od.update(E, **F) -> None. Update od from dict/iterable E and F.
+
+ If E is a dict instance, does: for k in E: od[k] = E[k]
+ If E has a .keys() method, does: for k in E.keys(): od[k] = E[k]
+ Or if E is an iterable of items, does: for k, v in E: od[k] = v
+ In either case, this is followed by: for k, v in F.items(): od[k] = v
+
+ '''
+ if len(args) > 2:
+ raise TypeError('update() takes at most 2 positional '
+ 'arguments (%d given)' % (len(args),))
+ elif not args:
+ raise TypeError('update() takes at least 1 argument (0 given)')
+ self = args[0]
+ # Make progressively weaker assumptions about "other"
+ other = ()
+ if len(args) == 2:
+ other = args[1]
+ if isinstance(other, dict):
+ for key in other:
+ self[key] = other[key]
+ elif hasattr(other, 'keys'):
+ for key in other.keys():
+ self[key] = other[key]
+ else:
+ for key, value in other:
+ self[key] = value
+ for key, value in kwds.items():
+ self[key] = value
+
+ __update = update # let subclasses override update without breaking __init__
+
+ __marker = object()
+
+ def pop(self, key, default=__marker):
+ '''od.pop(k[,d]) -> v, remove specified key and return the corresponding value.
+ If key is not found, d is returned if given, otherwise KeyError is raised.
+
+ '''
+ if key in self:
+ result = self[key]
+ del self[key]
+ return result
+ if default is self.__marker:
+ raise KeyError(key)
+ return default
+
+ def setdefault(self, key, default=None):
+ 'od.setdefault(k[,d]) -> od.get(k,d), also set od[k]=d if k not in od'
+ if key in self:
+ return self[key]
+ self[key] = default
+ return default
+
+ def __repr__(self, _repr_running=None):
+ 'od.__repr__() <==> repr(od)'
+ if not _repr_running: _repr_running = {}
+ call_key = id(self), _get_ident()
+ if call_key in _repr_running:
+ return '...'
+ _repr_running[call_key] = 1
+ try:
+ if not self:
+ return '%s()' % (self.__class__.__name__,)
+ return '%s(%r)' % (self.__class__.__name__, self.items())
+ finally:
+ del _repr_running[call_key]
+
+ def __reduce__(self):
+ 'Return state information for pickling'
+ items = [[k, self[k]] for k in self]
+ inst_dict = vars(self).copy()
+ for k in vars(OrderedDict()):
+ inst_dict.pop(k, None)
+ if inst_dict:
+ return (self.__class__, (items,), inst_dict)
+ return self.__class__, (items,)
+
+ def copy(self):
+ 'od.copy() -> a shallow copy of od'
+ return self.__class__(self)
+
+ @classmethod
+ def fromkeys(cls, iterable, value=None):
+ '''OD.fromkeys(S[, v]) -> New ordered dictionary with keys from S
+ and values equal to v (which defaults to None).
+
+ '''
+ d = cls()
+ for key in iterable:
+ d[key] = value
+ return d
+
+ def __eq__(self, other):
+ '''od.__eq__(y) <==> od==y. Comparison to another OD is order-sensitive
+ while comparison to a regular mapping is order-insensitive.
+
+ '''
+ if isinstance(other, OrderedDict):
+ return len(self)==len(other) and self.items() == other.items()
+ return dict.__eq__(self, other)
+
+ def __ne__(self, other):
+ return not self == other
+
+ # -- the following methods are only used in Python 2.7 --
+
+ def viewkeys(self):
+ "od.viewkeys() -> a set-like object providing a view on od's keys"
+ return KeysView(self)
+
+ def viewvalues(self):
+ "od.viewvalues() -> an object providing a view on od's values"
+ return ValuesView(self)
+
+ def viewitems(self):
+ "od.viewitems() -> a set-like object providing a view on od's items"
+ return ItemsView(self)
+
+try:
+ from logging.config import BaseConfigurator, valid_ident
+except ImportError: # pragma: no cover
+ IDENTIFIER = re.compile('^[a-z_][a-z0-9_]*$', re.I)
+
+
+ def valid_ident(s):
+ m = IDENTIFIER.match(s)
+ if not m:
+ raise ValueError('Not a valid Python identifier: %r' % s)
+ return True
+
+
+ # The ConvertingXXX classes are wrappers around standard Python containers,
+ # and they serve to convert any suitable values in the container. The
+ # conversion converts base dicts, lists and tuples to their wrapped
+ # equivalents, whereas strings which match a conversion format are converted
+ # appropriately.
+ #
+ # Each wrapper should have a configurator attribute holding the actual
+ # configurator to use for conversion.
+
+ class ConvertingDict(dict):
+ """A converting dictionary wrapper."""
+
+ def __getitem__(self, key):
+ value = dict.__getitem__(self, key)
+ result = self.configurator.convert(value)
+ #If the converted value is different, save for next time
+ if value is not result:
+ self[key] = result
+ if type(result) in (ConvertingDict, ConvertingList,
+ ConvertingTuple):
+ result.parent = self
+ result.key = key
+ return result
+
+ def get(self, key, default=None):
+ value = dict.get(self, key, default)
+ result = self.configurator.convert(value)
+ #If the converted value is different, save for next time
+ if value is not result:
+ self[key] = result
+ if type(result) in (ConvertingDict, ConvertingList,
+ ConvertingTuple):
+ result.parent = self
+ result.key = key
+ return result
+
+ def pop(self, key, default=None):
+ value = dict.pop(self, key, default)
+ result = self.configurator.convert(value)
+ if value is not result:
+ if type(result) in (ConvertingDict, ConvertingList,
+ ConvertingTuple):
+ result.parent = self
+ result.key = key
+ return result
+
+ class ConvertingList(list):
+ """A converting list wrapper."""
+ def __getitem__(self, key):
+ value = list.__getitem__(self, key)
+ result = self.configurator.convert(value)
+ #If the converted value is different, save for next time
+ if value is not result:
+ self[key] = result
+ if type(result) in (ConvertingDict, ConvertingList,
+ ConvertingTuple):
+ result.parent = self
+ result.key = key
+ return result
+
+ def pop(self, idx=-1):
+ value = list.pop(self, idx)
+ result = self.configurator.convert(value)
+ if value is not result:
+ if type(result) in (ConvertingDict, ConvertingList,
+ ConvertingTuple):
+ result.parent = self
+ return result
+
+ class ConvertingTuple(tuple):
+ """A converting tuple wrapper."""
+ def __getitem__(self, key):
+ value = tuple.__getitem__(self, key)
+ result = self.configurator.convert(value)
+ if value is not result:
+ if type(result) in (ConvertingDict, ConvertingList,
+ ConvertingTuple):
+ result.parent = self
+ result.key = key
+ return result
+
+ class BaseConfigurator(object):
+ """
+ The configurator base class which defines some useful defaults.
+ """
+
+ CONVERT_PATTERN = re.compile(r'^(?P[a-z]+)://(?P.*)$')
+
+ WORD_PATTERN = re.compile(r'^\s*(\w+)\s*')
+ DOT_PATTERN = re.compile(r'^\.\s*(\w+)\s*')
+ INDEX_PATTERN = re.compile(r'^\[\s*(\w+)\s*\]\s*')
+ DIGIT_PATTERN = re.compile(r'^\d+$')
+
+ value_converters = {
+ 'ext' : 'ext_convert',
+ 'cfg' : 'cfg_convert',
+ }
+
+ # We might want to use a different one, e.g. importlib
+ importer = staticmethod(__import__)
+
+ def __init__(self, config):
+ self.config = ConvertingDict(config)
+ self.config.configurator = self
+
+ def resolve(self, s):
+ """
+ Resolve strings to objects using standard import and attribute
+ syntax.
+ """
+ name = s.split('.')
+ used = name.pop(0)
+ try:
+ found = self.importer(used)
+ for frag in name:
+ used += '.' + frag
+ try:
+ found = getattr(found, frag)
+ except AttributeError:
+ self.importer(used)
+ found = getattr(found, frag)
+ return found
+ except ImportError:
+ e, tb = sys.exc_info()[1:]
+ v = ValueError('Cannot resolve %r: %s' % (s, e))
+ v.__cause__, v.__traceback__ = e, tb
+ raise v
+
+ def ext_convert(self, value):
+ """Default converter for the ext:// protocol."""
+ return self.resolve(value)
+
+ def cfg_convert(self, value):
+ """Default converter for the cfg:// protocol."""
+ rest = value
+ m = self.WORD_PATTERN.match(rest)
+ if m is None:
+ raise ValueError("Unable to convert %r" % value)
+ else:
+ rest = rest[m.end():]
+ d = self.config[m.groups()[0]]
+ #print d, rest
+ while rest:
+ m = self.DOT_PATTERN.match(rest)
+ if m:
+ d = d[m.groups()[0]]
+ else:
+ m = self.INDEX_PATTERN.match(rest)
+ if m:
+ idx = m.groups()[0]
+ if not self.DIGIT_PATTERN.match(idx):
+ d = d[idx]
+ else:
+ try:
+ n = int(idx) # try as number first (most likely)
+ d = d[n]
+ except TypeError:
+ d = d[idx]
+ if m:
+ rest = rest[m.end():]
+ else:
+ raise ValueError('Unable to convert '
+ '%r at %r' % (value, rest))
+ #rest should be empty
+ return d
+
+ def convert(self, value):
+ """
+ Convert values to an appropriate type. dicts, lists and tuples are
+ replaced by their converting alternatives. Strings are checked to
+ see if they have a conversion format and are converted if they do.
+ """
+ if not isinstance(value, ConvertingDict) and isinstance(value, dict):
+ value = ConvertingDict(value)
+ value.configurator = self
+ elif not isinstance(value, ConvertingList) and isinstance(value, list):
+ value = ConvertingList(value)
+ value.configurator = self
+ elif not isinstance(value, ConvertingTuple) and\
+ isinstance(value, tuple):
+ value = ConvertingTuple(value)
+ value.configurator = self
+ elif isinstance(value, string_types):
+ m = self.CONVERT_PATTERN.match(value)
+ if m:
+ d = m.groupdict()
+ prefix = d['prefix']
+ converter = self.value_converters.get(prefix, None)
+ if converter:
+ suffix = d['suffix']
+ converter = getattr(self, converter)
+ value = converter(suffix)
+ return value
+
+ def configure_custom(self, config):
+ """Configure an object with a user-supplied factory."""
+ c = config.pop('()')
+ if not callable(c):
+ c = self.resolve(c)
+ props = config.pop('.', None)
+ # Check for valid identifiers
+ kwargs = dict([(k, config[k]) for k in config if valid_ident(k)])
+ result = c(**kwargs)
+ if props:
+ for name, value in props.items():
+ setattr(result, name, value)
+ return result
+
+ def as_tuple(self, value):
+ """Utility function which converts lists to tuples."""
+ if isinstance(value, list):
+ value = tuple(value)
+ return value
diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/database.py b/Scripts/Lib/site-packages/pip/_vendor/distlib/database.py
new file mode 100644
index 0000000..0a90c30
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/distlib/database.py
@@ -0,0 +1,1339 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2012-2017 The Python Software Foundation.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+"""PEP 376 implementation."""
+
+from __future__ import unicode_literals
+
+import base64
+import codecs
+import contextlib
+import hashlib
+import logging
+import os
+import posixpath
+import sys
+import zipimport
+
+from . import DistlibException, resources
+from .compat import StringIO
+from .version import get_scheme, UnsupportedVersionError
+from .metadata import (Metadata, METADATA_FILENAME, WHEEL_METADATA_FILENAME,
+ LEGACY_METADATA_FILENAME)
+from .util import (parse_requirement, cached_property, parse_name_and_version,
+ read_exports, write_exports, CSVReader, CSVWriter)
+
+
+__all__ = ['Distribution', 'BaseInstalledDistribution',
+ 'InstalledDistribution', 'EggInfoDistribution',
+ 'DistributionPath']
+
+
+logger = logging.getLogger(__name__)
+
+EXPORTS_FILENAME = 'pydist-exports.json'
+COMMANDS_FILENAME = 'pydist-commands.json'
+
+DIST_FILES = ('INSTALLER', METADATA_FILENAME, 'RECORD', 'REQUESTED',
+ 'RESOURCES', EXPORTS_FILENAME, 'SHARED')
+
+DISTINFO_EXT = '.dist-info'
+
+
+class _Cache(object):
+ """
+ A simple cache mapping names and .dist-info paths to distributions
+ """
+ def __init__(self):
+ """
+ Initialise an instance. There is normally one for each DistributionPath.
+ """
+ self.name = {}
+ self.path = {}
+ self.generated = False
+
+ def clear(self):
+ """
+ Clear the cache, setting it to its initial state.
+ """
+ self.name.clear()
+ self.path.clear()
+ self.generated = False
+
+ def add(self, dist):
+ """
+ Add a distribution to the cache.
+ :param dist: The distribution to add.
+ """
+ if dist.path not in self.path:
+ self.path[dist.path] = dist
+ self.name.setdefault(dist.key, []).append(dist)
+
+
+class DistributionPath(object):
+ """
+ Represents a set of distributions installed on a path (typically sys.path).
+ """
+ def __init__(self, path=None, include_egg=False):
+ """
+ Create an instance from a path, optionally including legacy (distutils/
+ setuptools/distribute) distributions.
+ :param path: The path to use, as a list of directories. If not specified,
+ sys.path is used.
+ :param include_egg: If True, this instance will look for and return legacy
+ distributions as well as those based on PEP 376.
+ """
+ if path is None:
+ path = sys.path
+ self.path = path
+ self._include_dist = True
+ self._include_egg = include_egg
+
+ self._cache = _Cache()
+ self._cache_egg = _Cache()
+ self._cache_enabled = True
+ self._scheme = get_scheme('default')
+
+ def _get_cache_enabled(self):
+ return self._cache_enabled
+
+ def _set_cache_enabled(self, value):
+ self._cache_enabled = value
+
+ cache_enabled = property(_get_cache_enabled, _set_cache_enabled)
+
+ def clear_cache(self):
+ """
+ Clears the internal cache.
+ """
+ self._cache.clear()
+ self._cache_egg.clear()
+
+
+ def _yield_distributions(self):
+ """
+ Yield .dist-info and/or .egg(-info) distributions.
+ """
+ # We need to check if we've seen some resources already, because on
+ # some Linux systems (e.g. some Debian/Ubuntu variants) there are
+ # symlinks which alias other files in the environment.
+ seen = set()
+ for path in self.path:
+ finder = resources.finder_for_path(path)
+ if finder is None:
+ continue
+ r = finder.find('')
+ if not r or not r.is_container:
+ continue
+ rset = sorted(r.resources)
+ for entry in rset:
+ r = finder.find(entry)
+ if not r or r.path in seen:
+ continue
+ if self._include_dist and entry.endswith(DISTINFO_EXT):
+ possible_filenames = [METADATA_FILENAME,
+ WHEEL_METADATA_FILENAME,
+ LEGACY_METADATA_FILENAME]
+ for metadata_filename in possible_filenames:
+ metadata_path = posixpath.join(entry, metadata_filename)
+ pydist = finder.find(metadata_path)
+ if pydist:
+ break
+ else:
+ continue
+
+ with contextlib.closing(pydist.as_stream()) as stream:
+ metadata = Metadata(fileobj=stream, scheme='legacy')
+ logger.debug('Found %s', r.path)
+ seen.add(r.path)
+ yield new_dist_class(r.path, metadata=metadata,
+ env=self)
+ elif self._include_egg and entry.endswith(('.egg-info',
+ '.egg')):
+ logger.debug('Found %s', r.path)
+ seen.add(r.path)
+ yield old_dist_class(r.path, self)
+
+ def _generate_cache(self):
+ """
+ Scan the path for distributions and populate the cache with
+ those that are found.
+ """
+ gen_dist = not self._cache.generated
+ gen_egg = self._include_egg and not self._cache_egg.generated
+ if gen_dist or gen_egg:
+ for dist in self._yield_distributions():
+ if isinstance(dist, InstalledDistribution):
+ self._cache.add(dist)
+ else:
+ self._cache_egg.add(dist)
+
+ if gen_dist:
+ self._cache.generated = True
+ if gen_egg:
+ self._cache_egg.generated = True
+
+ @classmethod
+ def distinfo_dirname(cls, name, version):
+ """
+ The *name* and *version* parameters are converted into their
+ filename-escaped form, i.e. any ``'-'`` characters are replaced
+ with ``'_'`` other than the one in ``'dist-info'`` and the one
+ separating the name from the version number.
+
+ :parameter name: is converted to a standard distribution name by replacing
+ any runs of non- alphanumeric characters with a single
+ ``'-'``.
+ :type name: string
+ :parameter version: is converted to a standard version string. Spaces
+ become dots, and all other non-alphanumeric characters
+ (except dots) become dashes, with runs of multiple
+ dashes condensed to a single dash.
+ :type version: string
+ :returns: directory name
+ :rtype: string"""
+ name = name.replace('-', '_')
+ return '-'.join([name, version]) + DISTINFO_EXT
+
+ def get_distributions(self):
+ """
+ Provides an iterator that looks for distributions and returns
+ :class:`InstalledDistribution` or
+ :class:`EggInfoDistribution` instances for each one of them.
+
+ :rtype: iterator of :class:`InstalledDistribution` and
+ :class:`EggInfoDistribution` instances
+ """
+ if not self._cache_enabled:
+ for dist in self._yield_distributions():
+ yield dist
+ else:
+ self._generate_cache()
+
+ for dist in self._cache.path.values():
+ yield dist
+
+ if self._include_egg:
+ for dist in self._cache_egg.path.values():
+ yield dist
+
+ def get_distribution(self, name):
+ """
+ Looks for a named distribution on the path.
+
+ This function only returns the first result found, as no more than one
+ value is expected. If nothing is found, ``None`` is returned.
+
+ :rtype: :class:`InstalledDistribution`, :class:`EggInfoDistribution`
+ or ``None``
+ """
+ result = None
+ name = name.lower()
+ if not self._cache_enabled:
+ for dist in self._yield_distributions():
+ if dist.key == name:
+ result = dist
+ break
+ else:
+ self._generate_cache()
+
+ if name in self._cache.name:
+ result = self._cache.name[name][0]
+ elif self._include_egg and name in self._cache_egg.name:
+ result = self._cache_egg.name[name][0]
+ return result
+
+ def provides_distribution(self, name, version=None):
+ """
+ Iterates over all distributions to find which distributions provide *name*.
+ If a *version* is provided, it will be used to filter the results.
+
+ This function only returns the first result found, since no more than
+ one values are expected. If the directory is not found, returns ``None``.
+
+ :parameter version: a version specifier that indicates the version
+ required, conforming to the format in ``PEP-345``
+
+ :type name: string
+ :type version: string
+ """
+ matcher = None
+ if version is not None:
+ try:
+ matcher = self._scheme.matcher('%s (%s)' % (name, version))
+ except ValueError:
+ raise DistlibException('invalid name or version: %r, %r' %
+ (name, version))
+
+ for dist in self.get_distributions():
+ # We hit a problem on Travis where enum34 was installed and doesn't
+ # have a provides attribute ...
+ if not hasattr(dist, 'provides'):
+ logger.debug('No "provides": %s', dist)
+ else:
+ provided = dist.provides
+
+ for p in provided:
+ p_name, p_ver = parse_name_and_version(p)
+ if matcher is None:
+ if p_name == name:
+ yield dist
+ break
+ else:
+ if p_name == name and matcher.match(p_ver):
+ yield dist
+ break
+
+ def get_file_path(self, name, relative_path):
+ """
+ Return the path to a resource file.
+ """
+ dist = self.get_distribution(name)
+ if dist is None:
+ raise LookupError('no distribution named %r found' % name)
+ return dist.get_resource_path(relative_path)
+
+ def get_exported_entries(self, category, name=None):
+ """
+ Return all of the exported entries in a particular category.
+
+ :param category: The category to search for entries.
+ :param name: If specified, only entries with that name are returned.
+ """
+ for dist in self.get_distributions():
+ r = dist.exports
+ if category in r:
+ d = r[category]
+ if name is not None:
+ if name in d:
+ yield d[name]
+ else:
+ for v in d.values():
+ yield v
+
+
+class Distribution(object):
+ """
+ A base class for distributions, whether installed or from indexes.
+ Either way, it must have some metadata, so that's all that's needed
+ for construction.
+ """
+
+ build_time_dependency = False
+ """
+ Set to True if it's known to be only a build-time dependency (i.e.
+ not needed after installation).
+ """
+
+ requested = False
+ """A boolean that indicates whether the ``REQUESTED`` metadata file is
+ present (in other words, whether the package was installed by user
+ request or it was installed as a dependency)."""
+
+ def __init__(self, metadata):
+ """
+ Initialise an instance.
+ :param metadata: The instance of :class:`Metadata` describing this
+ distribution.
+ """
+ self.metadata = metadata
+ self.name = metadata.name
+ self.key = self.name.lower() # for case-insensitive comparisons
+ self.version = metadata.version
+ self.locator = None
+ self.digest = None
+ self.extras = None # additional features requested
+ self.context = None # environment marker overrides
+ self.download_urls = set()
+ self.digests = {}
+
+ @property
+ def source_url(self):
+ """
+ The source archive download URL for this distribution.
+ """
+ return self.metadata.source_url
+
+ download_url = source_url # Backward compatibility
+
+ @property
+ def name_and_version(self):
+ """
+ A utility property which displays the name and version in parentheses.
+ """
+ return '%s (%s)' % (self.name, self.version)
+
+ @property
+ def provides(self):
+ """
+ A set of distribution names and versions provided by this distribution.
+ :return: A set of "name (version)" strings.
+ """
+ plist = self.metadata.provides
+ s = '%s (%s)' % (self.name, self.version)
+ if s not in plist:
+ plist.append(s)
+ return plist
+
+ def _get_requirements(self, req_attr):
+ md = self.metadata
+ logger.debug('Getting requirements from metadata %r', md.todict())
+ reqts = getattr(md, req_attr)
+ return set(md.get_requirements(reqts, extras=self.extras,
+ env=self.context))
+
+ @property
+ def run_requires(self):
+ return self._get_requirements('run_requires')
+
+ @property
+ def meta_requires(self):
+ return self._get_requirements('meta_requires')
+
+ @property
+ def build_requires(self):
+ return self._get_requirements('build_requires')
+
+ @property
+ def test_requires(self):
+ return self._get_requirements('test_requires')
+
+ @property
+ def dev_requires(self):
+ return self._get_requirements('dev_requires')
+
+ def matches_requirement(self, req):
+ """
+ Say if this instance matches (fulfills) a requirement.
+ :param req: The requirement to match.
+ :rtype req: str
+ :return: True if it matches, else False.
+ """
+ # Requirement may contain extras - parse to lose those
+ # from what's passed to the matcher
+ r = parse_requirement(req)
+ scheme = get_scheme(self.metadata.scheme)
+ try:
+ matcher = scheme.matcher(r.requirement)
+ except UnsupportedVersionError:
+ # XXX compat-mode if cannot read the version
+ logger.warning('could not read version %r - using name only',
+ req)
+ name = req.split()[0]
+ matcher = scheme.matcher(name)
+
+ name = matcher.key # case-insensitive
+
+ result = False
+ for p in self.provides:
+ p_name, p_ver = parse_name_and_version(p)
+ if p_name != name:
+ continue
+ try:
+ result = matcher.match(p_ver)
+ break
+ except UnsupportedVersionError:
+ pass
+ return result
+
+ def __repr__(self):
+ """
+ Return a textual representation of this instance,
+ """
+ if self.source_url:
+ suffix = ' [%s]' % self.source_url
+ else:
+ suffix = ''
+ return '' % (self.name, self.version, suffix)
+
+ def __eq__(self, other):
+ """
+ See if this distribution is the same as another.
+ :param other: The distribution to compare with. To be equal to one
+ another. distributions must have the same type, name,
+ version and source_url.
+ :return: True if it is the same, else False.
+ """
+ if type(other) is not type(self):
+ result = False
+ else:
+ result = (self.name == other.name and
+ self.version == other.version and
+ self.source_url == other.source_url)
+ return result
+
+ def __hash__(self):
+ """
+ Compute hash in a way which matches the equality test.
+ """
+ return hash(self.name) + hash(self.version) + hash(self.source_url)
+
+
+class BaseInstalledDistribution(Distribution):
+ """
+ This is the base class for installed distributions (whether PEP 376 or
+ legacy).
+ """
+
+ hasher = None
+
+ def __init__(self, metadata, path, env=None):
+ """
+ Initialise an instance.
+ :param metadata: An instance of :class:`Metadata` which describes the
+ distribution. This will normally have been initialised
+ from a metadata file in the ``path``.
+ :param path: The path of the ``.dist-info`` or ``.egg-info``
+ directory for the distribution.
+ :param env: This is normally the :class:`DistributionPath`
+ instance where this distribution was found.
+ """
+ super(BaseInstalledDistribution, self).__init__(metadata)
+ self.path = path
+ self.dist_path = env
+
+ def get_hash(self, data, hasher=None):
+ """
+ Get the hash of some data, using a particular hash algorithm, if
+ specified.
+
+ :param data: The data to be hashed.
+ :type data: bytes
+ :param hasher: The name of a hash implementation, supported by hashlib,
+ or ``None``. Examples of valid values are ``'sha1'``,
+ ``'sha224'``, ``'sha384'``, '``sha256'``, ``'md5'`` and
+ ``'sha512'``. If no hasher is specified, the ``hasher``
+ attribute of the :class:`InstalledDistribution` instance
+ is used. If the hasher is determined to be ``None``, MD5
+ is used as the hashing algorithm.
+ :returns: The hash of the data. If a hasher was explicitly specified,
+ the returned hash will be prefixed with the specified hasher
+ followed by '='.
+ :rtype: str
+ """
+ if hasher is None:
+ hasher = self.hasher
+ if hasher is None:
+ hasher = hashlib.md5
+ prefix = ''
+ else:
+ hasher = getattr(hashlib, hasher)
+ prefix = '%s=' % self.hasher
+ digest = hasher(data).digest()
+ digest = base64.urlsafe_b64encode(digest).rstrip(b'=').decode('ascii')
+ return '%s%s' % (prefix, digest)
+
+
+class InstalledDistribution(BaseInstalledDistribution):
+ """
+ Created with the *path* of the ``.dist-info`` directory provided to the
+ constructor. It reads the metadata contained in ``pydist.json`` when it is
+ instantiated., or uses a passed in Metadata instance (useful for when
+ dry-run mode is being used).
+ """
+
+ hasher = 'sha256'
+
+ def __init__(self, path, metadata=None, env=None):
+ self.modules = []
+ self.finder = finder = resources.finder_for_path(path)
+ if finder is None:
+ raise ValueError('finder unavailable for %s' % path)
+ if env and env._cache_enabled and path in env._cache.path:
+ metadata = env._cache.path[path].metadata
+ elif metadata is None:
+ r = finder.find(METADATA_FILENAME)
+ # Temporary - for Wheel 0.23 support
+ if r is None:
+ r = finder.find(WHEEL_METADATA_FILENAME)
+ # Temporary - for legacy support
+ if r is None:
+ r = finder.find(LEGACY_METADATA_FILENAME)
+ if r is None:
+ raise ValueError('no %s found in %s' % (METADATA_FILENAME,
+ path))
+ with contextlib.closing(r.as_stream()) as stream:
+ metadata = Metadata(fileobj=stream, scheme='legacy')
+
+ super(InstalledDistribution, self).__init__(metadata, path, env)
+
+ if env and env._cache_enabled:
+ env._cache.add(self)
+
+ r = finder.find('REQUESTED')
+ self.requested = r is not None
+ p = os.path.join(path, 'top_level.txt')
+ if os.path.exists(p):
+ with open(p, 'rb') as f:
+ data = f.read().decode('utf-8')
+ self.modules = data.splitlines()
+
+ def __repr__(self):
+ return '' % (
+ self.name, self.version, self.path)
+
+ def __str__(self):
+ return "%s %s" % (self.name, self.version)
+
+ def _get_records(self):
+ """
+ Get the list of installed files for the distribution
+ :return: A list of tuples of path, hash and size. Note that hash and
+ size might be ``None`` for some entries. The path is exactly
+ as stored in the file (which is as in PEP 376).
+ """
+ results = []
+ r = self.get_distinfo_resource('RECORD')
+ with contextlib.closing(r.as_stream()) as stream:
+ with CSVReader(stream=stream) as record_reader:
+ # Base location is parent dir of .dist-info dir
+ #base_location = os.path.dirname(self.path)
+ #base_location = os.path.abspath(base_location)
+ for row in record_reader:
+ missing = [None for i in range(len(row), 3)]
+ path, checksum, size = row + missing
+ #if not os.path.isabs(path):
+ # path = path.replace('/', os.sep)
+ # path = os.path.join(base_location, path)
+ results.append((path, checksum, size))
+ return results
+
+ @cached_property
+ def exports(self):
+ """
+ Return the information exported by this distribution.
+ :return: A dictionary of exports, mapping an export category to a dict
+ of :class:`ExportEntry` instances describing the individual
+ export entries, and keyed by name.
+ """
+ result = {}
+ r = self.get_distinfo_resource(EXPORTS_FILENAME)
+ if r:
+ result = self.read_exports()
+ return result
+
+ def read_exports(self):
+ """
+ Read exports data from a file in .ini format.
+
+ :return: A dictionary of exports, mapping an export category to a list
+ of :class:`ExportEntry` instances describing the individual
+ export entries.
+ """
+ result = {}
+ r = self.get_distinfo_resource(EXPORTS_FILENAME)
+ if r:
+ with contextlib.closing(r.as_stream()) as stream:
+ result = read_exports(stream)
+ return result
+
+ def write_exports(self, exports):
+ """
+ Write a dictionary of exports to a file in .ini format.
+ :param exports: A dictionary of exports, mapping an export category to
+ a list of :class:`ExportEntry` instances describing the
+ individual export entries.
+ """
+ rf = self.get_distinfo_file(EXPORTS_FILENAME)
+ with open(rf, 'w') as f:
+ write_exports(exports, f)
+
+ def get_resource_path(self, relative_path):
+ """
+ NOTE: This API may change in the future.
+
+ Return the absolute path to a resource file with the given relative
+ path.
+
+ :param relative_path: The path, relative to .dist-info, of the resource
+ of interest.
+ :return: The absolute path where the resource is to be found.
+ """
+ r = self.get_distinfo_resource('RESOURCES')
+ with contextlib.closing(r.as_stream()) as stream:
+ with CSVReader(stream=stream) as resources_reader:
+ for relative, destination in resources_reader:
+ if relative == relative_path:
+ return destination
+ raise KeyError('no resource file with relative path %r '
+ 'is installed' % relative_path)
+
+ def list_installed_files(self):
+ """
+ Iterates over the ``RECORD`` entries and returns a tuple
+ ``(path, hash, size)`` for each line.
+
+ :returns: iterator of (path, hash, size)
+ """
+ for result in self._get_records():
+ yield result
+
+ def write_installed_files(self, paths, prefix, dry_run=False):
+ """
+ Writes the ``RECORD`` file, using the ``paths`` iterable passed in. Any
+ existing ``RECORD`` file is silently overwritten.
+
+ prefix is used to determine when to write absolute paths.
+ """
+ prefix = os.path.join(prefix, '')
+ base = os.path.dirname(self.path)
+ base_under_prefix = base.startswith(prefix)
+ base = os.path.join(base, '')
+ record_path = self.get_distinfo_file('RECORD')
+ logger.info('creating %s', record_path)
+ if dry_run:
+ return None
+ with CSVWriter(record_path) as writer:
+ for path in paths:
+ if os.path.isdir(path) or path.endswith(('.pyc', '.pyo')):
+ # do not put size and hash, as in PEP-376
+ hash_value = size = ''
+ else:
+ size = '%d' % os.path.getsize(path)
+ with open(path, 'rb') as fp:
+ hash_value = self.get_hash(fp.read())
+ if path.startswith(base) or (base_under_prefix and
+ path.startswith(prefix)):
+ path = os.path.relpath(path, base)
+ writer.writerow((path, hash_value, size))
+
+ # add the RECORD file itself
+ if record_path.startswith(base):
+ record_path = os.path.relpath(record_path, base)
+ writer.writerow((record_path, '', ''))
+ return record_path
+
+ def check_installed_files(self):
+ """
+ Checks that the hashes and sizes of the files in ``RECORD`` are
+ matched by the files themselves. Returns a (possibly empty) list of
+ mismatches. Each entry in the mismatch list will be a tuple consisting
+ of the path, 'exists', 'size' or 'hash' according to what didn't match
+ (existence is checked first, then size, then hash), the expected
+ value and the actual value.
+ """
+ mismatches = []
+ base = os.path.dirname(self.path)
+ record_path = self.get_distinfo_file('RECORD')
+ for path, hash_value, size in self.list_installed_files():
+ if not os.path.isabs(path):
+ path = os.path.join(base, path)
+ if path == record_path:
+ continue
+ if not os.path.exists(path):
+ mismatches.append((path, 'exists', True, False))
+ elif os.path.isfile(path):
+ actual_size = str(os.path.getsize(path))
+ if size and actual_size != size:
+ mismatches.append((path, 'size', size, actual_size))
+ elif hash_value:
+ if '=' in hash_value:
+ hasher = hash_value.split('=', 1)[0]
+ else:
+ hasher = None
+
+ with open(path, 'rb') as f:
+ actual_hash = self.get_hash(f.read(), hasher)
+ if actual_hash != hash_value:
+ mismatches.append((path, 'hash', hash_value, actual_hash))
+ return mismatches
+
+ @cached_property
+ def shared_locations(self):
+ """
+ A dictionary of shared locations whose keys are in the set 'prefix',
+ 'purelib', 'platlib', 'scripts', 'headers', 'data' and 'namespace'.
+ The corresponding value is the absolute path of that category for
+ this distribution, and takes into account any paths selected by the
+ user at installation time (e.g. via command-line arguments). In the
+ case of the 'namespace' key, this would be a list of absolute paths
+ for the roots of namespace packages in this distribution.
+
+ The first time this property is accessed, the relevant information is
+ read from the SHARED file in the .dist-info directory.
+ """
+ result = {}
+ shared_path = os.path.join(self.path, 'SHARED')
+ if os.path.isfile(shared_path):
+ with codecs.open(shared_path, 'r', encoding='utf-8') as f:
+ lines = f.read().splitlines()
+ for line in lines:
+ key, value = line.split('=', 1)
+ if key == 'namespace':
+ result.setdefault(key, []).append(value)
+ else:
+ result[key] = value
+ return result
+
+ def write_shared_locations(self, paths, dry_run=False):
+ """
+ Write shared location information to the SHARED file in .dist-info.
+ :param paths: A dictionary as described in the documentation for
+ :meth:`shared_locations`.
+ :param dry_run: If True, the action is logged but no file is actually
+ written.
+ :return: The path of the file written to.
+ """
+ shared_path = os.path.join(self.path, 'SHARED')
+ logger.info('creating %s', shared_path)
+ if dry_run:
+ return None
+ lines = []
+ for key in ('prefix', 'lib', 'headers', 'scripts', 'data'):
+ path = paths[key]
+ if os.path.isdir(paths[key]):
+ lines.append('%s=%s' % (key, path))
+ for ns in paths.get('namespace', ()):
+ lines.append('namespace=%s' % ns)
+
+ with codecs.open(shared_path, 'w', encoding='utf-8') as f:
+ f.write('\n'.join(lines))
+ return shared_path
+
+ def get_distinfo_resource(self, path):
+ if path not in DIST_FILES:
+ raise DistlibException('invalid path for a dist-info file: '
+ '%r at %r' % (path, self.path))
+ finder = resources.finder_for_path(self.path)
+ if finder is None:
+ raise DistlibException('Unable to get a finder for %s' % self.path)
+ return finder.find(path)
+
+ def get_distinfo_file(self, path):
+ """
+ Returns a path located under the ``.dist-info`` directory. Returns a
+ string representing the path.
+
+ :parameter path: a ``'/'``-separated path relative to the
+ ``.dist-info`` directory or an absolute path;
+ If *path* is an absolute path and doesn't start
+ with the ``.dist-info`` directory path,
+ a :class:`DistlibException` is raised
+ :type path: str
+ :rtype: str
+ """
+ # Check if it is an absolute path # XXX use relpath, add tests
+ if path.find(os.sep) >= 0:
+ # it's an absolute path?
+ distinfo_dirname, path = path.split(os.sep)[-2:]
+ if distinfo_dirname != self.path.split(os.sep)[-1]:
+ raise DistlibException(
+ 'dist-info file %r does not belong to the %r %s '
+ 'distribution' % (path, self.name, self.version))
+
+ # The file must be relative
+ if path not in DIST_FILES:
+ raise DistlibException('invalid path for a dist-info file: '
+ '%r at %r' % (path, self.path))
+
+ return os.path.join(self.path, path)
+
+ def list_distinfo_files(self):
+ """
+ Iterates over the ``RECORD`` entries and returns paths for each line if
+ the path is pointing to a file located in the ``.dist-info`` directory
+ or one of its subdirectories.
+
+ :returns: iterator of paths
+ """
+ base = os.path.dirname(self.path)
+ for path, checksum, size in self._get_records():
+ # XXX add separator or use real relpath algo
+ if not os.path.isabs(path):
+ path = os.path.join(base, path)
+ if path.startswith(self.path):
+ yield path
+
+ def __eq__(self, other):
+ return (isinstance(other, InstalledDistribution) and
+ self.path == other.path)
+
+ # See http://docs.python.org/reference/datamodel#object.__hash__
+ __hash__ = object.__hash__
+
+
+class EggInfoDistribution(BaseInstalledDistribution):
+ """Created with the *path* of the ``.egg-info`` directory or file provided
+ to the constructor. It reads the metadata contained in the file itself, or
+ if the given path happens to be a directory, the metadata is read from the
+ file ``PKG-INFO`` under that directory."""
+
+ requested = True # as we have no way of knowing, assume it was
+ shared_locations = {}
+
+ def __init__(self, path, env=None):
+ def set_name_and_version(s, n, v):
+ s.name = n
+ s.key = n.lower() # for case-insensitive comparisons
+ s.version = v
+
+ self.path = path
+ self.dist_path = env
+ if env and env._cache_enabled and path in env._cache_egg.path:
+ metadata = env._cache_egg.path[path].metadata
+ set_name_and_version(self, metadata.name, metadata.version)
+ else:
+ metadata = self._get_metadata(path)
+
+ # Need to be set before caching
+ set_name_and_version(self, metadata.name, metadata.version)
+
+ if env and env._cache_enabled:
+ env._cache_egg.add(self)
+ super(EggInfoDistribution, self).__init__(metadata, path, env)
+
+ def _get_metadata(self, path):
+ requires = None
+
+ def parse_requires_data(data):
+ """Create a list of dependencies from a requires.txt file.
+
+ *data*: the contents of a setuptools-produced requires.txt file.
+ """
+ reqs = []
+ lines = data.splitlines()
+ for line in lines:
+ line = line.strip()
+ if line.startswith('['):
+ logger.warning('Unexpected line: quitting requirement scan: %r',
+ line)
+ break
+ r = parse_requirement(line)
+ if not r:
+ logger.warning('Not recognised as a requirement: %r', line)
+ continue
+ if r.extras:
+ logger.warning('extra requirements in requires.txt are '
+ 'not supported')
+ if not r.constraints:
+ reqs.append(r.name)
+ else:
+ cons = ', '.join('%s%s' % c for c in r.constraints)
+ reqs.append('%s (%s)' % (r.name, cons))
+ return reqs
+
+ def parse_requires_path(req_path):
+ """Create a list of dependencies from a requires.txt file.
+
+ *req_path*: the path to a setuptools-produced requires.txt file.
+ """
+
+ reqs = []
+ try:
+ with codecs.open(req_path, 'r', 'utf-8') as fp:
+ reqs = parse_requires_data(fp.read())
+ except IOError:
+ pass
+ return reqs
+
+ tl_path = tl_data = None
+ if path.endswith('.egg'):
+ if os.path.isdir(path):
+ p = os.path.join(path, 'EGG-INFO')
+ meta_path = os.path.join(p, 'PKG-INFO')
+ metadata = Metadata(path=meta_path, scheme='legacy')
+ req_path = os.path.join(p, 'requires.txt')
+ tl_path = os.path.join(p, 'top_level.txt')
+ requires = parse_requires_path(req_path)
+ else:
+ # FIXME handle the case where zipfile is not available
+ zipf = zipimport.zipimporter(path)
+ fileobj = StringIO(
+ zipf.get_data('EGG-INFO/PKG-INFO').decode('utf8'))
+ metadata = Metadata(fileobj=fileobj, scheme='legacy')
+ try:
+ data = zipf.get_data('EGG-INFO/requires.txt')
+ tl_data = zipf.get_data('EGG-INFO/top_level.txt').decode('utf-8')
+ requires = parse_requires_data(data.decode('utf-8'))
+ except IOError:
+ requires = None
+ elif path.endswith('.egg-info'):
+ if os.path.isdir(path):
+ req_path = os.path.join(path, 'requires.txt')
+ requires = parse_requires_path(req_path)
+ path = os.path.join(path, 'PKG-INFO')
+ tl_path = os.path.join(path, 'top_level.txt')
+ metadata = Metadata(path=path, scheme='legacy')
+ else:
+ raise DistlibException('path must end with .egg-info or .egg, '
+ 'got %r' % path)
+
+ if requires:
+ metadata.add_requirements(requires)
+ # look for top-level modules in top_level.txt, if present
+ if tl_data is None:
+ if tl_path is not None and os.path.exists(tl_path):
+ with open(tl_path, 'rb') as f:
+ tl_data = f.read().decode('utf-8')
+ if not tl_data:
+ tl_data = []
+ else:
+ tl_data = tl_data.splitlines()
+ self.modules = tl_data
+ return metadata
+
+ def __repr__(self):
+ return '' % (
+ self.name, self.version, self.path)
+
+ def __str__(self):
+ return "%s %s" % (self.name, self.version)
+
+ def check_installed_files(self):
+ """
+ Checks that the hashes and sizes of the files in ``RECORD`` are
+ matched by the files themselves. Returns a (possibly empty) list of
+ mismatches. Each entry in the mismatch list will be a tuple consisting
+ of the path, 'exists', 'size' or 'hash' according to what didn't match
+ (existence is checked first, then size, then hash), the expected
+ value and the actual value.
+ """
+ mismatches = []
+ record_path = os.path.join(self.path, 'installed-files.txt')
+ if os.path.exists(record_path):
+ for path, _, _ in self.list_installed_files():
+ if path == record_path:
+ continue
+ if not os.path.exists(path):
+ mismatches.append((path, 'exists', True, False))
+ return mismatches
+
+ def list_installed_files(self):
+ """
+ Iterates over the ``installed-files.txt`` entries and returns a tuple
+ ``(path, hash, size)`` for each line.
+
+ :returns: a list of (path, hash, size)
+ """
+
+ def _md5(path):
+ f = open(path, 'rb')
+ try:
+ content = f.read()
+ finally:
+ f.close()
+ return hashlib.md5(content).hexdigest()
+
+ def _size(path):
+ return os.stat(path).st_size
+
+ record_path = os.path.join(self.path, 'installed-files.txt')
+ result = []
+ if os.path.exists(record_path):
+ with codecs.open(record_path, 'r', encoding='utf-8') as f:
+ for line in f:
+ line = line.strip()
+ p = os.path.normpath(os.path.join(self.path, line))
+ # "./" is present as a marker between installed files
+ # and installation metadata files
+ if not os.path.exists(p):
+ logger.warning('Non-existent file: %s', p)
+ if p.endswith(('.pyc', '.pyo')):
+ continue
+ #otherwise fall through and fail
+ if not os.path.isdir(p):
+ result.append((p, _md5(p), _size(p)))
+ result.append((record_path, None, None))
+ return result
+
+ def list_distinfo_files(self, absolute=False):
+ """
+ Iterates over the ``installed-files.txt`` entries and returns paths for
+ each line if the path is pointing to a file located in the
+ ``.egg-info`` directory or one of its subdirectories.
+
+ :parameter absolute: If *absolute* is ``True``, each returned path is
+ transformed into a local absolute path. Otherwise the
+ raw value from ``installed-files.txt`` is returned.
+ :type absolute: boolean
+ :returns: iterator of paths
+ """
+ record_path = os.path.join(self.path, 'installed-files.txt')
+ if os.path.exists(record_path):
+ skip = True
+ with codecs.open(record_path, 'r', encoding='utf-8') as f:
+ for line in f:
+ line = line.strip()
+ if line == './':
+ skip = False
+ continue
+ if not skip:
+ p = os.path.normpath(os.path.join(self.path, line))
+ if p.startswith(self.path):
+ if absolute:
+ yield p
+ else:
+ yield line
+
+ def __eq__(self, other):
+ return (isinstance(other, EggInfoDistribution) and
+ self.path == other.path)
+
+ # See http://docs.python.org/reference/datamodel#object.__hash__
+ __hash__ = object.__hash__
+
+new_dist_class = InstalledDistribution
+old_dist_class = EggInfoDistribution
+
+
+class DependencyGraph(object):
+ """
+ Represents a dependency graph between distributions.
+
+ The dependency relationships are stored in an ``adjacency_list`` that maps
+ distributions to a list of ``(other, label)`` tuples where ``other``
+ is a distribution and the edge is labeled with ``label`` (i.e. the version
+ specifier, if such was provided). Also, for more efficient traversal, for
+ every distribution ``x``, a list of predecessors is kept in
+ ``reverse_list[x]``. An edge from distribution ``a`` to
+ distribution ``b`` means that ``a`` depends on ``b``. If any missing
+ dependencies are found, they are stored in ``missing``, which is a
+ dictionary that maps distributions to a list of requirements that were not
+ provided by any other distributions.
+ """
+
+ def __init__(self):
+ self.adjacency_list = {}
+ self.reverse_list = {}
+ self.missing = {}
+
+ def add_distribution(self, distribution):
+ """Add the *distribution* to the graph.
+
+ :type distribution: :class:`distutils2.database.InstalledDistribution`
+ or :class:`distutils2.database.EggInfoDistribution`
+ """
+ self.adjacency_list[distribution] = []
+ self.reverse_list[distribution] = []
+ #self.missing[distribution] = []
+
+ def add_edge(self, x, y, label=None):
+ """Add an edge from distribution *x* to distribution *y* with the given
+ *label*.
+
+ :type x: :class:`distutils2.database.InstalledDistribution` or
+ :class:`distutils2.database.EggInfoDistribution`
+ :type y: :class:`distutils2.database.InstalledDistribution` or
+ :class:`distutils2.database.EggInfoDistribution`
+ :type label: ``str`` or ``None``
+ """
+ self.adjacency_list[x].append((y, label))
+ # multiple edges are allowed, so be careful
+ if x not in self.reverse_list[y]:
+ self.reverse_list[y].append(x)
+
+ def add_missing(self, distribution, requirement):
+ """
+ Add a missing *requirement* for the given *distribution*.
+
+ :type distribution: :class:`distutils2.database.InstalledDistribution`
+ or :class:`distutils2.database.EggInfoDistribution`
+ :type requirement: ``str``
+ """
+ logger.debug('%s missing %r', distribution, requirement)
+ self.missing.setdefault(distribution, []).append(requirement)
+
+ def _repr_dist(self, dist):
+ return '%s %s' % (dist.name, dist.version)
+
+ def repr_node(self, dist, level=1):
+ """Prints only a subgraph"""
+ output = [self._repr_dist(dist)]
+ for other, label in self.adjacency_list[dist]:
+ dist = self._repr_dist(other)
+ if label is not None:
+ dist = '%s [%s]' % (dist, label)
+ output.append(' ' * level + str(dist))
+ suboutput = self.repr_node(other, level + 1)
+ subs = suboutput.split('\n')
+ output.extend(subs[1:])
+ return '\n'.join(output)
+
+ def to_dot(self, f, skip_disconnected=True):
+ """Writes a DOT output for the graph to the provided file *f*.
+
+ If *skip_disconnected* is set to ``True``, then all distributions
+ that are not dependent on any other distribution are skipped.
+
+ :type f: has to support ``file``-like operations
+ :type skip_disconnected: ``bool``
+ """
+ disconnected = []
+
+ f.write("digraph dependencies {\n")
+ for dist, adjs in self.adjacency_list.items():
+ if len(adjs) == 0 and not skip_disconnected:
+ disconnected.append(dist)
+ for other, label in adjs:
+ if not label is None:
+ f.write('"%s" -> "%s" [label="%s"]\n' %
+ (dist.name, other.name, label))
+ else:
+ f.write('"%s" -> "%s"\n' % (dist.name, other.name))
+ if not skip_disconnected and len(disconnected) > 0:
+ f.write('subgraph disconnected {\n')
+ f.write('label = "Disconnected"\n')
+ f.write('bgcolor = red\n')
+
+ for dist in disconnected:
+ f.write('"%s"' % dist.name)
+ f.write('\n')
+ f.write('}\n')
+ f.write('}\n')
+
+ def topological_sort(self):
+ """
+ Perform a topological sort of the graph.
+ :return: A tuple, the first element of which is a topologically sorted
+ list of distributions, and the second element of which is a
+ list of distributions that cannot be sorted because they have
+ circular dependencies and so form a cycle.
+ """
+ result = []
+ # Make a shallow copy of the adjacency list
+ alist = {}
+ for k, v in self.adjacency_list.items():
+ alist[k] = v[:]
+ while True:
+ # See what we can remove in this run
+ to_remove = []
+ for k, v in list(alist.items())[:]:
+ if not v:
+ to_remove.append(k)
+ del alist[k]
+ if not to_remove:
+ # What's left in alist (if anything) is a cycle.
+ break
+ # Remove from the adjacency list of others
+ for k, v in alist.items():
+ alist[k] = [(d, r) for d, r in v if d not in to_remove]
+ logger.debug('Moving to result: %s',
+ ['%s (%s)' % (d.name, d.version) for d in to_remove])
+ result.extend(to_remove)
+ return result, list(alist.keys())
+
+ def __repr__(self):
+ """Representation of the graph"""
+ output = []
+ for dist, adjs in self.adjacency_list.items():
+ output.append(self.repr_node(dist))
+ return '\n'.join(output)
+
+
+def make_graph(dists, scheme='default'):
+ """Makes a dependency graph from the given distributions.
+
+ :parameter dists: a list of distributions
+ :type dists: list of :class:`distutils2.database.InstalledDistribution` and
+ :class:`distutils2.database.EggInfoDistribution` instances
+ :rtype: a :class:`DependencyGraph` instance
+ """
+ scheme = get_scheme(scheme)
+ graph = DependencyGraph()
+ provided = {} # maps names to lists of (version, dist) tuples
+
+ # first, build the graph and find out what's provided
+ for dist in dists:
+ graph.add_distribution(dist)
+
+ for p in dist.provides:
+ name, version = parse_name_and_version(p)
+ logger.debug('Add to provided: %s, %s, %s', name, version, dist)
+ provided.setdefault(name, []).append((version, dist))
+
+ # now make the edges
+ for dist in dists:
+ requires = (dist.run_requires | dist.meta_requires |
+ dist.build_requires | dist.dev_requires)
+ for req in requires:
+ try:
+ matcher = scheme.matcher(req)
+ except UnsupportedVersionError:
+ # XXX compat-mode if cannot read the version
+ logger.warning('could not read version %r - using name only',
+ req)
+ name = req.split()[0]
+ matcher = scheme.matcher(name)
+
+ name = matcher.key # case-insensitive
+
+ matched = False
+ if name in provided:
+ for version, provider in provided[name]:
+ try:
+ match = matcher.match(version)
+ except UnsupportedVersionError:
+ match = False
+
+ if match:
+ graph.add_edge(dist, provider, req)
+ matched = True
+ break
+ if not matched:
+ graph.add_missing(dist, req)
+ return graph
+
+
+def get_dependent_dists(dists, dist):
+ """Recursively generate a list of distributions from *dists* that are
+ dependent on *dist*.
+
+ :param dists: a list of distributions
+ :param dist: a distribution, member of *dists* for which we are interested
+ """
+ if dist not in dists:
+ raise DistlibException('given distribution %r is not a member '
+ 'of the list' % dist.name)
+ graph = make_graph(dists)
+
+ dep = [dist] # dependent distributions
+ todo = graph.reverse_list[dist] # list of nodes we should inspect
+
+ while todo:
+ d = todo.pop()
+ dep.append(d)
+ for succ in graph.reverse_list[d]:
+ if succ not in dep:
+ todo.append(succ)
+
+ dep.pop(0) # remove dist from dep, was there to prevent infinite loops
+ return dep
+
+
+def get_required_dists(dists, dist):
+ """Recursively generate a list of distributions from *dists* that are
+ required by *dist*.
+
+ :param dists: a list of distributions
+ :param dist: a distribution, member of *dists* for which we are interested
+ """
+ if dist not in dists:
+ raise DistlibException('given distribution %r is not a member '
+ 'of the list' % dist.name)
+ graph = make_graph(dists)
+
+ req = [] # required distributions
+ todo = graph.adjacency_list[dist] # list of nodes we should inspect
+
+ while todo:
+ d = todo.pop()[0]
+ req.append(d)
+ for pred in graph.adjacency_list[d]:
+ if pred not in req:
+ todo.append(pred)
+
+ return req
+
+
+def make_dist(name, version, **kwargs):
+ """
+ A convenience method for making a dist given just a name and version.
+ """
+ summary = kwargs.pop('summary', 'Placeholder for summary')
+ md = Metadata(**kwargs)
+ md.name = name
+ md.version = version
+ md.summary = summary or 'Placeholder for summary'
+ return Distribution(md)
diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/index.py b/Scripts/Lib/site-packages/pip/_vendor/distlib/index.py
new file mode 100644
index 0000000..b1fbbf8
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/distlib/index.py
@@ -0,0 +1,509 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2013 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+import hashlib
+import logging
+import os
+import shutil
+import subprocess
+import tempfile
+try:
+ from threading import Thread
+except ImportError:
+ from dummy_threading import Thread
+
+from . import DistlibException
+from .compat import (HTTPBasicAuthHandler, Request, HTTPPasswordMgr,
+ urlparse, build_opener, string_types)
+from .util import zip_dir, ServerProxy
+
+logger = logging.getLogger(__name__)
+
+DEFAULT_INDEX = 'https://pypi.org/pypi'
+DEFAULT_REALM = 'pypi'
+
+class PackageIndex(object):
+ """
+ This class represents a package index compatible with PyPI, the Python
+ Package Index.
+ """
+
+ boundary = b'----------ThIs_Is_tHe_distlib_index_bouNdaRY_$'
+
+ def __init__(self, url=None):
+ """
+ Initialise an instance.
+
+ :param url: The URL of the index. If not specified, the URL for PyPI is
+ used.
+ """
+ self.url = url or DEFAULT_INDEX
+ self.read_configuration()
+ scheme, netloc, path, params, query, frag = urlparse(self.url)
+ if params or query or frag or scheme not in ('http', 'https'):
+ raise DistlibException('invalid repository: %s' % self.url)
+ self.password_handler = None
+ self.ssl_verifier = None
+ self.gpg = None
+ self.gpg_home = None
+ with open(os.devnull, 'w') as sink:
+ # Use gpg by default rather than gpg2, as gpg2 insists on
+ # prompting for passwords
+ for s in ('gpg', 'gpg2'):
+ try:
+ rc = subprocess.check_call([s, '--version'], stdout=sink,
+ stderr=sink)
+ if rc == 0:
+ self.gpg = s
+ break
+ except OSError:
+ pass
+
+ def _get_pypirc_command(self):
+ """
+ Get the distutils command for interacting with PyPI configurations.
+ :return: the command.
+ """
+ from .util import _get_pypirc_command as cmd
+ return cmd()
+
+ def read_configuration(self):
+ """
+ Read the PyPI access configuration as supported by distutils. This populates
+ ``username``, ``password``, ``realm`` and ``url`` attributes from the
+ configuration.
+ """
+ from .util import _load_pypirc
+ cfg = _load_pypirc(self)
+ self.username = cfg.get('username')
+ self.password = cfg.get('password')
+ self.realm = cfg.get('realm', 'pypi')
+ self.url = cfg.get('repository', self.url)
+
+ def save_configuration(self):
+ """
+ Save the PyPI access configuration. You must have set ``username`` and
+ ``password`` attributes before calling this method.
+ """
+ self.check_credentials()
+ from .util import _store_pypirc
+ _store_pypirc(self)
+
+ def check_credentials(self):
+ """
+ Check that ``username`` and ``password`` have been set, and raise an
+ exception if not.
+ """
+ if self.username is None or self.password is None:
+ raise DistlibException('username and password must be set')
+ pm = HTTPPasswordMgr()
+ _, netloc, _, _, _, _ = urlparse(self.url)
+ pm.add_password(self.realm, netloc, self.username, self.password)
+ self.password_handler = HTTPBasicAuthHandler(pm)
+
+ def register(self, metadata):
+ """
+ Register a distribution on PyPI, using the provided metadata.
+
+ :param metadata: A :class:`Metadata` instance defining at least a name
+ and version number for the distribution to be
+ registered.
+ :return: The HTTP response received from PyPI upon submission of the
+ request.
+ """
+ self.check_credentials()
+ metadata.validate()
+ d = metadata.todict()
+ d[':action'] = 'verify'
+ request = self.encode_request(d.items(), [])
+ response = self.send_request(request)
+ d[':action'] = 'submit'
+ request = self.encode_request(d.items(), [])
+ return self.send_request(request)
+
+ def _reader(self, name, stream, outbuf):
+ """
+ Thread runner for reading lines of from a subprocess into a buffer.
+
+ :param name: The logical name of the stream (used for logging only).
+ :param stream: The stream to read from. This will typically a pipe
+ connected to the output stream of a subprocess.
+ :param outbuf: The list to append the read lines to.
+ """
+ while True:
+ s = stream.readline()
+ if not s:
+ break
+ s = s.decode('utf-8').rstrip()
+ outbuf.append(s)
+ logger.debug('%s: %s' % (name, s))
+ stream.close()
+
+ def get_sign_command(self, filename, signer, sign_password,
+ keystore=None):
+ """
+ Return a suitable command for signing a file.
+
+ :param filename: The pathname to the file to be signed.
+ :param signer: The identifier of the signer of the file.
+ :param sign_password: The passphrase for the signer's
+ private key used for signing.
+ :param keystore: The path to a directory which contains the keys
+ used in verification. If not specified, the
+ instance's ``gpg_home`` attribute is used instead.
+ :return: The signing command as a list suitable to be
+ passed to :class:`subprocess.Popen`.
+ """
+ cmd = [self.gpg, '--status-fd', '2', '--no-tty']
+ if keystore is None:
+ keystore = self.gpg_home
+ if keystore:
+ cmd.extend(['--homedir', keystore])
+ if sign_password is not None:
+ cmd.extend(['--batch', '--passphrase-fd', '0'])
+ td = tempfile.mkdtemp()
+ sf = os.path.join(td, os.path.basename(filename) + '.asc')
+ cmd.extend(['--detach-sign', '--armor', '--local-user',
+ signer, '--output', sf, filename])
+ logger.debug('invoking: %s', ' '.join(cmd))
+ return cmd, sf
+
+ def run_command(self, cmd, input_data=None):
+ """
+ Run a command in a child process , passing it any input data specified.
+
+ :param cmd: The command to run.
+ :param input_data: If specified, this must be a byte string containing
+ data to be sent to the child process.
+ :return: A tuple consisting of the subprocess' exit code, a list of
+ lines read from the subprocess' ``stdout``, and a list of
+ lines read from the subprocess' ``stderr``.
+ """
+ kwargs = {
+ 'stdout': subprocess.PIPE,
+ 'stderr': subprocess.PIPE,
+ }
+ if input_data is not None:
+ kwargs['stdin'] = subprocess.PIPE
+ stdout = []
+ stderr = []
+ p = subprocess.Popen(cmd, **kwargs)
+ # We don't use communicate() here because we may need to
+ # get clever with interacting with the command
+ t1 = Thread(target=self._reader, args=('stdout', p.stdout, stdout))
+ t1.start()
+ t2 = Thread(target=self._reader, args=('stderr', p.stderr, stderr))
+ t2.start()
+ if input_data is not None:
+ p.stdin.write(input_data)
+ p.stdin.close()
+
+ p.wait()
+ t1.join()
+ t2.join()
+ return p.returncode, stdout, stderr
+
+ def sign_file(self, filename, signer, sign_password, keystore=None):
+ """
+ Sign a file.
+
+ :param filename: The pathname to the file to be signed.
+ :param signer: The identifier of the signer of the file.
+ :param sign_password: The passphrase for the signer's
+ private key used for signing.
+ :param keystore: The path to a directory which contains the keys
+ used in signing. If not specified, the instance's
+ ``gpg_home`` attribute is used instead.
+ :return: The absolute pathname of the file where the signature is
+ stored.
+ """
+ cmd, sig_file = self.get_sign_command(filename, signer, sign_password,
+ keystore)
+ rc, stdout, stderr = self.run_command(cmd,
+ sign_password.encode('utf-8'))
+ if rc != 0:
+ raise DistlibException('sign command failed with error '
+ 'code %s' % rc)
+ return sig_file
+
+ def upload_file(self, metadata, filename, signer=None, sign_password=None,
+ filetype='sdist', pyversion='source', keystore=None):
+ """
+ Upload a release file to the index.
+
+ :param metadata: A :class:`Metadata` instance defining at least a name
+ and version number for the file to be uploaded.
+ :param filename: The pathname of the file to be uploaded.
+ :param signer: The identifier of the signer of the file.
+ :param sign_password: The passphrase for the signer's
+ private key used for signing.
+ :param filetype: The type of the file being uploaded. This is the
+ distutils command which produced that file, e.g.
+ ``sdist`` or ``bdist_wheel``.
+ :param pyversion: The version of Python which the release relates
+ to. For code compatible with any Python, this would
+ be ``source``, otherwise it would be e.g. ``3.2``.
+ :param keystore: The path to a directory which contains the keys
+ used in signing. If not specified, the instance's
+ ``gpg_home`` attribute is used instead.
+ :return: The HTTP response received from PyPI upon submission of the
+ request.
+ """
+ self.check_credentials()
+ if not os.path.exists(filename):
+ raise DistlibException('not found: %s' % filename)
+ metadata.validate()
+ d = metadata.todict()
+ sig_file = None
+ if signer:
+ if not self.gpg:
+ logger.warning('no signing program available - not signed')
+ else:
+ sig_file = self.sign_file(filename, signer, sign_password,
+ keystore)
+ with open(filename, 'rb') as f:
+ file_data = f.read()
+ md5_digest = hashlib.md5(file_data).hexdigest()
+ sha256_digest = hashlib.sha256(file_data).hexdigest()
+ d.update({
+ ':action': 'file_upload',
+ 'protocol_version': '1',
+ 'filetype': filetype,
+ 'pyversion': pyversion,
+ 'md5_digest': md5_digest,
+ 'sha256_digest': sha256_digest,
+ })
+ files = [('content', os.path.basename(filename), file_data)]
+ if sig_file:
+ with open(sig_file, 'rb') as f:
+ sig_data = f.read()
+ files.append(('gpg_signature', os.path.basename(sig_file),
+ sig_data))
+ shutil.rmtree(os.path.dirname(sig_file))
+ request = self.encode_request(d.items(), files)
+ return self.send_request(request)
+
+ def upload_documentation(self, metadata, doc_dir):
+ """
+ Upload documentation to the index.
+
+ :param metadata: A :class:`Metadata` instance defining at least a name
+ and version number for the documentation to be
+ uploaded.
+ :param doc_dir: The pathname of the directory which contains the
+ documentation. This should be the directory that
+ contains the ``index.html`` for the documentation.
+ :return: The HTTP response received from PyPI upon submission of the
+ request.
+ """
+ self.check_credentials()
+ if not os.path.isdir(doc_dir):
+ raise DistlibException('not a directory: %r' % doc_dir)
+ fn = os.path.join(doc_dir, 'index.html')
+ if not os.path.exists(fn):
+ raise DistlibException('not found: %r' % fn)
+ metadata.validate()
+ name, version = metadata.name, metadata.version
+ zip_data = zip_dir(doc_dir).getvalue()
+ fields = [(':action', 'doc_upload'),
+ ('name', name), ('version', version)]
+ files = [('content', name, zip_data)]
+ request = self.encode_request(fields, files)
+ return self.send_request(request)
+
+ def get_verify_command(self, signature_filename, data_filename,
+ keystore=None):
+ """
+ Return a suitable command for verifying a file.
+
+ :param signature_filename: The pathname to the file containing the
+ signature.
+ :param data_filename: The pathname to the file containing the
+ signed data.
+ :param keystore: The path to a directory which contains the keys
+ used in verification. If not specified, the
+ instance's ``gpg_home`` attribute is used instead.
+ :return: The verifying command as a list suitable to be
+ passed to :class:`subprocess.Popen`.
+ """
+ cmd = [self.gpg, '--status-fd', '2', '--no-tty']
+ if keystore is None:
+ keystore = self.gpg_home
+ if keystore:
+ cmd.extend(['--homedir', keystore])
+ cmd.extend(['--verify', signature_filename, data_filename])
+ logger.debug('invoking: %s', ' '.join(cmd))
+ return cmd
+
+ def verify_signature(self, signature_filename, data_filename,
+ keystore=None):
+ """
+ Verify a signature for a file.
+
+ :param signature_filename: The pathname to the file containing the
+ signature.
+ :param data_filename: The pathname to the file containing the
+ signed data.
+ :param keystore: The path to a directory which contains the keys
+ used in verification. If not specified, the
+ instance's ``gpg_home`` attribute is used instead.
+ :return: True if the signature was verified, else False.
+ """
+ if not self.gpg:
+ raise DistlibException('verification unavailable because gpg '
+ 'unavailable')
+ cmd = self.get_verify_command(signature_filename, data_filename,
+ keystore)
+ rc, stdout, stderr = self.run_command(cmd)
+ if rc not in (0, 1):
+ raise DistlibException('verify command failed with error '
+ 'code %s' % rc)
+ return rc == 0
+
+ def download_file(self, url, destfile, digest=None, reporthook=None):
+ """
+ This is a convenience method for downloading a file from an URL.
+ Normally, this will be a file from the index, though currently
+ no check is made for this (i.e. a file can be downloaded from
+ anywhere).
+
+ The method is just like the :func:`urlretrieve` function in the
+ standard library, except that it allows digest computation to be
+ done during download and checking that the downloaded data
+ matched any expected value.
+
+ :param url: The URL of the file to be downloaded (assumed to be
+ available via an HTTP GET request).
+ :param destfile: The pathname where the downloaded file is to be
+ saved.
+ :param digest: If specified, this must be a (hasher, value)
+ tuple, where hasher is the algorithm used (e.g.
+ ``'md5'``) and ``value`` is the expected value.
+ :param reporthook: The same as for :func:`urlretrieve` in the
+ standard library.
+ """
+ if digest is None:
+ digester = None
+ logger.debug('No digest specified')
+ else:
+ if isinstance(digest, (list, tuple)):
+ hasher, digest = digest
+ else:
+ hasher = 'md5'
+ digester = getattr(hashlib, hasher)()
+ logger.debug('Digest specified: %s' % digest)
+ # The following code is equivalent to urlretrieve.
+ # We need to do it this way so that we can compute the
+ # digest of the file as we go.
+ with open(destfile, 'wb') as dfp:
+ # addinfourl is not a context manager on 2.x
+ # so we have to use try/finally
+ sfp = self.send_request(Request(url))
+ try:
+ headers = sfp.info()
+ blocksize = 8192
+ size = -1
+ read = 0
+ blocknum = 0
+ if "content-length" in headers:
+ size = int(headers["Content-Length"])
+ if reporthook:
+ reporthook(blocknum, blocksize, size)
+ while True:
+ block = sfp.read(blocksize)
+ if not block:
+ break
+ read += len(block)
+ dfp.write(block)
+ if digester:
+ digester.update(block)
+ blocknum += 1
+ if reporthook:
+ reporthook(blocknum, blocksize, size)
+ finally:
+ sfp.close()
+
+ # check that we got the whole file, if we can
+ if size >= 0 and read < size:
+ raise DistlibException(
+ 'retrieval incomplete: got only %d out of %d bytes'
+ % (read, size))
+ # if we have a digest, it must match.
+ if digester:
+ actual = digester.hexdigest()
+ if digest != actual:
+ raise DistlibException('%s digest mismatch for %s: expected '
+ '%s, got %s' % (hasher, destfile,
+ digest, actual))
+ logger.debug('Digest verified: %s', digest)
+
+ def send_request(self, req):
+ """
+ Send a standard library :class:`Request` to PyPI and return its
+ response.
+
+ :param req: The request to send.
+ :return: The HTTP response from PyPI (a standard library HTTPResponse).
+ """
+ handlers = []
+ if self.password_handler:
+ handlers.append(self.password_handler)
+ if self.ssl_verifier:
+ handlers.append(self.ssl_verifier)
+ opener = build_opener(*handlers)
+ return opener.open(req)
+
+ def encode_request(self, fields, files):
+ """
+ Encode fields and files for posting to an HTTP server.
+
+ :param fields: The fields to send as a list of (fieldname, value)
+ tuples.
+ :param files: The files to send as a list of (fieldname, filename,
+ file_bytes) tuple.
+ """
+ # Adapted from packaging, which in turn was adapted from
+ # http://code.activestate.com/recipes/146306
+
+ parts = []
+ boundary = self.boundary
+ for k, values in fields:
+ if not isinstance(values, (list, tuple)):
+ values = [values]
+
+ for v in values:
+ parts.extend((
+ b'--' + boundary,
+ ('Content-Disposition: form-data; name="%s"' %
+ k).encode('utf-8'),
+ b'',
+ v.encode('utf-8')))
+ for key, filename, value in files:
+ parts.extend((
+ b'--' + boundary,
+ ('Content-Disposition: form-data; name="%s"; filename="%s"' %
+ (key, filename)).encode('utf-8'),
+ b'',
+ value))
+
+ parts.extend((b'--' + boundary + b'--', b''))
+
+ body = b'\r\n'.join(parts)
+ ct = b'multipart/form-data; boundary=' + boundary
+ headers = {
+ 'Content-type': ct,
+ 'Content-length': str(len(body))
+ }
+ return Request(self.url, body, headers)
+
+ def search(self, terms, operator=None):
+ if isinstance(terms, string_types):
+ terms = {'name': terms}
+ rpc_proxy = ServerProxy(self.url, timeout=3.0)
+ try:
+ return rpc_proxy.search(terms, operator or 'and')
+ finally:
+ rpc_proxy('close')()
diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/locators.py b/Scripts/Lib/site-packages/pip/_vendor/distlib/locators.py
new file mode 100644
index 0000000..0c7d639
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/distlib/locators.py
@@ -0,0 +1,1300 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2012-2015 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+
+import gzip
+from io import BytesIO
+import json
+import logging
+import os
+import posixpath
+import re
+try:
+ import threading
+except ImportError: # pragma: no cover
+ import dummy_threading as threading
+import zlib
+
+from . import DistlibException
+from .compat import (urljoin, urlparse, urlunparse, url2pathname, pathname2url,
+ queue, quote, unescape, build_opener,
+ HTTPRedirectHandler as BaseRedirectHandler, text_type,
+ Request, HTTPError, URLError)
+from .database import Distribution, DistributionPath, make_dist
+from .metadata import Metadata, MetadataInvalidError
+from .util import (cached_property, ensure_slash, split_filename, get_project_data,
+ parse_requirement, parse_name_and_version, ServerProxy,
+ normalize_name)
+from .version import get_scheme, UnsupportedVersionError
+from .wheel import Wheel, is_compatible
+
+logger = logging.getLogger(__name__)
+
+HASHER_HASH = re.compile(r'^(\w+)=([a-f0-9]+)')
+CHARSET = re.compile(r';\s*charset\s*=\s*(.*)\s*$', re.I)
+HTML_CONTENT_TYPE = re.compile('text/html|application/x(ht)?ml')
+DEFAULT_INDEX = 'https://pypi.org/pypi'
+
+def get_all_distribution_names(url=None):
+ """
+ Return all distribution names known by an index.
+ :param url: The URL of the index.
+ :return: A list of all known distribution names.
+ """
+ if url is None:
+ url = DEFAULT_INDEX
+ client = ServerProxy(url, timeout=3.0)
+ try:
+ return client.list_packages()
+ finally:
+ client('close')()
+
+class RedirectHandler(BaseRedirectHandler):
+ """
+ A class to work around a bug in some Python 3.2.x releases.
+ """
+ # There's a bug in the base version for some 3.2.x
+ # (e.g. 3.2.2 on Ubuntu Oneiric). If a Location header
+ # returns e.g. /abc, it bails because it says the scheme ''
+ # is bogus, when actually it should use the request's
+ # URL for the scheme. See Python issue #13696.
+ def http_error_302(self, req, fp, code, msg, headers):
+ # Some servers (incorrectly) return multiple Location headers
+ # (so probably same goes for URI). Use first header.
+ newurl = None
+ for key in ('location', 'uri'):
+ if key in headers:
+ newurl = headers[key]
+ break
+ if newurl is None: # pragma: no cover
+ return
+ urlparts = urlparse(newurl)
+ if urlparts.scheme == '':
+ newurl = urljoin(req.get_full_url(), newurl)
+ if hasattr(headers, 'replace_header'):
+ headers.replace_header(key, newurl)
+ else:
+ headers[key] = newurl
+ return BaseRedirectHandler.http_error_302(self, req, fp, code, msg,
+ headers)
+
+ http_error_301 = http_error_303 = http_error_307 = http_error_302
+
+class Locator(object):
+ """
+ A base class for locators - things that locate distributions.
+ """
+ source_extensions = ('.tar.gz', '.tar.bz2', '.tar', '.zip', '.tgz', '.tbz')
+ binary_extensions = ('.egg', '.exe', '.whl')
+ excluded_extensions = ('.pdf',)
+
+ # A list of tags indicating which wheels you want to match. The default
+ # value of None matches against the tags compatible with the running
+ # Python. If you want to match other values, set wheel_tags on a locator
+ # instance to a list of tuples (pyver, abi, arch) which you want to match.
+ wheel_tags = None
+
+ downloadable_extensions = source_extensions + ('.whl',)
+
+ def __init__(self, scheme='default'):
+ """
+ Initialise an instance.
+ :param scheme: Because locators look for most recent versions, they
+ need to know the version scheme to use. This specifies
+ the current PEP-recommended scheme - use ``'legacy'``
+ if you need to support existing distributions on PyPI.
+ """
+ self._cache = {}
+ self.scheme = scheme
+ # Because of bugs in some of the handlers on some of the platforms,
+ # we use our own opener rather than just using urlopen.
+ self.opener = build_opener(RedirectHandler())
+ # If get_project() is called from locate(), the matcher instance
+ # is set from the requirement passed to locate(). See issue #18 for
+ # why this can be useful to know.
+ self.matcher = None
+ self.errors = queue.Queue()
+
+ def get_errors(self):
+ """
+ Return any errors which have occurred.
+ """
+ result = []
+ while not self.errors.empty(): # pragma: no cover
+ try:
+ e = self.errors.get(False)
+ result.append(e)
+ except self.errors.Empty:
+ continue
+ self.errors.task_done()
+ return result
+
+ def clear_errors(self):
+ """
+ Clear any errors which may have been logged.
+ """
+ # Just get the errors and throw them away
+ self.get_errors()
+
+ def clear_cache(self):
+ self._cache.clear()
+
+ def _get_scheme(self):
+ return self._scheme
+
+ def _set_scheme(self, value):
+ self._scheme = value
+
+ scheme = property(_get_scheme, _set_scheme)
+
+ def _get_project(self, name):
+ """
+ For a given project, get a dictionary mapping available versions to Distribution
+ instances.
+
+ This should be implemented in subclasses.
+
+ If called from a locate() request, self.matcher will be set to a
+ matcher for the requirement to satisfy, otherwise it will be None.
+ """
+ raise NotImplementedError('Please implement in the subclass')
+
+ def get_distribution_names(self):
+ """
+ Return all the distribution names known to this locator.
+ """
+ raise NotImplementedError('Please implement in the subclass')
+
+ def get_project(self, name):
+ """
+ For a given project, get a dictionary mapping available versions to Distribution
+ instances.
+
+ This calls _get_project to do all the work, and just implements a caching layer on top.
+ """
+ if self._cache is None: # pragma: no cover
+ result = self._get_project(name)
+ elif name in self._cache:
+ result = self._cache[name]
+ else:
+ self.clear_errors()
+ result = self._get_project(name)
+ self._cache[name] = result
+ return result
+
+ def score_url(self, url):
+ """
+ Give an url a score which can be used to choose preferred URLs
+ for a given project release.
+ """
+ t = urlparse(url)
+ basename = posixpath.basename(t.path)
+ compatible = True
+ is_wheel = basename.endswith('.whl')
+ is_downloadable = basename.endswith(self.downloadable_extensions)
+ if is_wheel:
+ compatible = is_compatible(Wheel(basename), self.wheel_tags)
+ return (t.scheme == 'https', 'pypi.org' in t.netloc,
+ is_downloadable, is_wheel, compatible, basename)
+
+ def prefer_url(self, url1, url2):
+ """
+ Choose one of two URLs where both are candidates for distribution
+ archives for the same version of a distribution (for example,
+ .tar.gz vs. zip).
+
+ The current implementation favours https:// URLs over http://, archives
+ from PyPI over those from other locations, wheel compatibility (if a
+ wheel) and then the archive name.
+ """
+ result = url2
+ if url1:
+ s1 = self.score_url(url1)
+ s2 = self.score_url(url2)
+ if s1 > s2:
+ result = url1
+ if result != url2:
+ logger.debug('Not replacing %r with %r', url1, url2)
+ else:
+ logger.debug('Replacing %r with %r', url1, url2)
+ return result
+
+ def split_filename(self, filename, project_name):
+ """
+ Attempt to split a filename in project name, version and Python version.
+ """
+ return split_filename(filename, project_name)
+
+ def convert_url_to_download_info(self, url, project_name):
+ """
+ See if a URL is a candidate for a download URL for a project (the URL
+ has typically been scraped from an HTML page).
+
+ If it is, a dictionary is returned with keys "name", "version",
+ "filename" and "url"; otherwise, None is returned.
+ """
+ def same_project(name1, name2):
+ return normalize_name(name1) == normalize_name(name2)
+
+ result = None
+ scheme, netloc, path, params, query, frag = urlparse(url)
+ if frag.lower().startswith('egg='): # pragma: no cover
+ logger.debug('%s: version hint in fragment: %r',
+ project_name, frag)
+ m = HASHER_HASH.match(frag)
+ if m:
+ algo, digest = m.groups()
+ else:
+ algo, digest = None, None
+ origpath = path
+ if path and path[-1] == '/': # pragma: no cover
+ path = path[:-1]
+ if path.endswith('.whl'):
+ try:
+ wheel = Wheel(path)
+ if not is_compatible(wheel, self.wheel_tags):
+ logger.debug('Wheel not compatible: %s', path)
+ else:
+ if project_name is None:
+ include = True
+ else:
+ include = same_project(wheel.name, project_name)
+ if include:
+ result = {
+ 'name': wheel.name,
+ 'version': wheel.version,
+ 'filename': wheel.filename,
+ 'url': urlunparse((scheme, netloc, origpath,
+ params, query, '')),
+ 'python-version': ', '.join(
+ ['.'.join(list(v[2:])) for v in wheel.pyver]),
+ }
+ except Exception as e: # pragma: no cover
+ logger.warning('invalid path for wheel: %s', path)
+ elif not path.endswith(self.downloadable_extensions): # pragma: no cover
+ logger.debug('Not downloadable: %s', path)
+ else: # downloadable extension
+ path = filename = posixpath.basename(path)
+ for ext in self.downloadable_extensions:
+ if path.endswith(ext):
+ path = path[:-len(ext)]
+ t = self.split_filename(path, project_name)
+ if not t: # pragma: no cover
+ logger.debug('No match for project/version: %s', path)
+ else:
+ name, version, pyver = t
+ if not project_name or same_project(project_name, name):
+ result = {
+ 'name': name,
+ 'version': version,
+ 'filename': filename,
+ 'url': urlunparse((scheme, netloc, origpath,
+ params, query, '')),
+ #'packagetype': 'sdist',
+ }
+ if pyver: # pragma: no cover
+ result['python-version'] = pyver
+ break
+ if result and algo:
+ result['%s_digest' % algo] = digest
+ return result
+
+ def _get_digest(self, info):
+ """
+ Get a digest from a dictionary by looking at a "digests" dictionary
+ or keys of the form 'algo_digest'.
+
+ Returns a 2-tuple (algo, digest) if found, else None. Currently
+ looks only for SHA256, then MD5.
+ """
+ result = None
+ if 'digests' in info:
+ digests = info['digests']
+ for algo in ('sha256', 'md5'):
+ if algo in digests:
+ result = (algo, digests[algo])
+ break
+ if not result:
+ for algo in ('sha256', 'md5'):
+ key = '%s_digest' % algo
+ if key in info:
+ result = (algo, info[key])
+ break
+ return result
+
+ def _update_version_data(self, result, info):
+ """
+ Update a result dictionary (the final result from _get_project) with a
+ dictionary for a specific version, which typically holds information
+ gleaned from a filename or URL for an archive for the distribution.
+ """
+ name = info.pop('name')
+ version = info.pop('version')
+ if version in result:
+ dist = result[version]
+ md = dist.metadata
+ else:
+ dist = make_dist(name, version, scheme=self.scheme)
+ md = dist.metadata
+ dist.digest = digest = self._get_digest(info)
+ url = info['url']
+ result['digests'][url] = digest
+ if md.source_url != info['url']:
+ md.source_url = self.prefer_url(md.source_url, url)
+ result['urls'].setdefault(version, set()).add(url)
+ dist.locator = self
+ result[version] = dist
+
+ def locate(self, requirement, prereleases=False):
+ """
+ Find the most recent distribution which matches the given
+ requirement.
+
+ :param requirement: A requirement of the form 'foo (1.0)' or perhaps
+ 'foo (>= 1.0, < 2.0, != 1.3)'
+ :param prereleases: If ``True``, allow pre-release versions
+ to be located. Otherwise, pre-release versions
+ are not returned.
+ :return: A :class:`Distribution` instance, or ``None`` if no such
+ distribution could be located.
+ """
+ result = None
+ r = parse_requirement(requirement)
+ if r is None: # pragma: no cover
+ raise DistlibException('Not a valid requirement: %r' % requirement)
+ scheme = get_scheme(self.scheme)
+ self.matcher = matcher = scheme.matcher(r.requirement)
+ logger.debug('matcher: %s (%s)', matcher, type(matcher).__name__)
+ versions = self.get_project(r.name)
+ if len(versions) > 2: # urls and digests keys are present
+ # sometimes, versions are invalid
+ slist = []
+ vcls = matcher.version_class
+ for k in versions:
+ if k in ('urls', 'digests'):
+ continue
+ try:
+ if not matcher.match(k):
+ pass # logger.debug('%s did not match %r', matcher, k)
+ else:
+ if prereleases or not vcls(k).is_prerelease:
+ slist.append(k)
+ # else:
+ # logger.debug('skipping pre-release '
+ # 'version %s of %s', k, matcher.name)
+ except Exception: # pragma: no cover
+ logger.warning('error matching %s with %r', matcher, k)
+ pass # slist.append(k)
+ if len(slist) > 1:
+ slist = sorted(slist, key=scheme.key)
+ if slist:
+ logger.debug('sorted list: %s', slist)
+ version = slist[-1]
+ result = versions[version]
+ if result:
+ if r.extras:
+ result.extras = r.extras
+ result.download_urls = versions.get('urls', {}).get(version, set())
+ d = {}
+ sd = versions.get('digests', {})
+ for url in result.download_urls:
+ if url in sd: # pragma: no cover
+ d[url] = sd[url]
+ result.digests = d
+ self.matcher = None
+ return result
+
+
+class PyPIRPCLocator(Locator):
+ """
+ This locator uses XML-RPC to locate distributions. It therefore
+ cannot be used with simple mirrors (that only mirror file content).
+ """
+ def __init__(self, url, **kwargs):
+ """
+ Initialise an instance.
+
+ :param url: The URL to use for XML-RPC.
+ :param kwargs: Passed to the superclass constructor.
+ """
+ super(PyPIRPCLocator, self).__init__(**kwargs)
+ self.base_url = url
+ self.client = ServerProxy(url, timeout=3.0)
+
+ def get_distribution_names(self):
+ """
+ Return all the distribution names known to this locator.
+ """
+ return set(self.client.list_packages())
+
+ def _get_project(self, name):
+ result = {'urls': {}, 'digests': {}}
+ versions = self.client.package_releases(name, True)
+ for v in versions:
+ urls = self.client.release_urls(name, v)
+ data = self.client.release_data(name, v)
+ metadata = Metadata(scheme=self.scheme)
+ metadata.name = data['name']
+ metadata.version = data['version']
+ metadata.license = data.get('license')
+ metadata.keywords = data.get('keywords', [])
+ metadata.summary = data.get('summary')
+ dist = Distribution(metadata)
+ if urls:
+ info = urls[0]
+ metadata.source_url = info['url']
+ dist.digest = self._get_digest(info)
+ dist.locator = self
+ result[v] = dist
+ for info in urls:
+ url = info['url']
+ digest = self._get_digest(info)
+ result['urls'].setdefault(v, set()).add(url)
+ result['digests'][url] = digest
+ return result
+
+class PyPIJSONLocator(Locator):
+ """
+ This locator uses PyPI's JSON interface. It's very limited in functionality
+ and probably not worth using.
+ """
+ def __init__(self, url, **kwargs):
+ super(PyPIJSONLocator, self).__init__(**kwargs)
+ self.base_url = ensure_slash(url)
+
+ def get_distribution_names(self):
+ """
+ Return all the distribution names known to this locator.
+ """
+ raise NotImplementedError('Not available from this locator')
+
+ def _get_project(self, name):
+ result = {'urls': {}, 'digests': {}}
+ url = urljoin(self.base_url, '%s/json' % quote(name))
+ try:
+ resp = self.opener.open(url)
+ data = resp.read().decode() # for now
+ d = json.loads(data)
+ md = Metadata(scheme=self.scheme)
+ data = d['info']
+ md.name = data['name']
+ md.version = data['version']
+ md.license = data.get('license')
+ md.keywords = data.get('keywords', [])
+ md.summary = data.get('summary')
+ dist = Distribution(md)
+ dist.locator = self
+ urls = d['urls']
+ result[md.version] = dist
+ for info in d['urls']:
+ url = info['url']
+ dist.download_urls.add(url)
+ dist.digests[url] = self._get_digest(info)
+ result['urls'].setdefault(md.version, set()).add(url)
+ result['digests'][url] = self._get_digest(info)
+ # Now get other releases
+ for version, infos in d['releases'].items():
+ if version == md.version:
+ continue # already done
+ omd = Metadata(scheme=self.scheme)
+ omd.name = md.name
+ omd.version = version
+ odist = Distribution(omd)
+ odist.locator = self
+ result[version] = odist
+ for info in infos:
+ url = info['url']
+ odist.download_urls.add(url)
+ odist.digests[url] = self._get_digest(info)
+ result['urls'].setdefault(version, set()).add(url)
+ result['digests'][url] = self._get_digest(info)
+# for info in urls:
+# md.source_url = info['url']
+# dist.digest = self._get_digest(info)
+# dist.locator = self
+# for info in urls:
+# url = info['url']
+# result['urls'].setdefault(md.version, set()).add(url)
+# result['digests'][url] = self._get_digest(info)
+ except Exception as e:
+ self.errors.put(text_type(e))
+ logger.exception('JSON fetch failed: %s', e)
+ return result
+
+
+class Page(object):
+ """
+ This class represents a scraped HTML page.
+ """
+ # The following slightly hairy-looking regex just looks for the contents of
+ # an anchor link, which has an attribute "href" either immediately preceded
+ # or immediately followed by a "rel" attribute. The attribute values can be
+ # declared with double quotes, single quotes or no quotes - which leads to
+ # the length of the expression.
+ _href = re.compile("""
+(rel\\s*=\\s*(?:"(?P[^"]*)"|'(?P[^']*)'|(?P[^>\\s\n]*))\\s+)?
+href\\s*=\\s*(?:"(?P[^"]*)"|'(?P[^']*)'|(?P[^>\\s\n]*))
+(\\s+rel\\s*=\\s*(?:"(?P[^"]*)"|'(?P[^']*)'|(?P[^>\\s\n]*)))?
+""", re.I | re.S | re.X)
+ _base = re.compile(r"""]+)""", re.I | re.S)
+
+ def __init__(self, data, url):
+ """
+ Initialise an instance with the Unicode page contents and the URL they
+ came from.
+ """
+ self.data = data
+ self.base_url = self.url = url
+ m = self._base.search(self.data)
+ if m:
+ self.base_url = m.group(1)
+
+ _clean_re = re.compile(r'[^a-z0-9$&+,/:;=?@.#%_\\|-]', re.I)
+
+ @cached_property
+ def links(self):
+ """
+ Return the URLs of all the links on a page together with information
+ about their "rel" attribute, for determining which ones to treat as
+ downloads and which ones to queue for further scraping.
+ """
+ def clean(url):
+ "Tidy up an URL."
+ scheme, netloc, path, params, query, frag = urlparse(url)
+ return urlunparse((scheme, netloc, quote(path),
+ params, query, frag))
+
+ result = set()
+ for match in self._href.finditer(self.data):
+ d = match.groupdict('')
+ rel = (d['rel1'] or d['rel2'] or d['rel3'] or
+ d['rel4'] or d['rel5'] or d['rel6'])
+ url = d['url1'] or d['url2'] or d['url3']
+ url = urljoin(self.base_url, url)
+ url = unescape(url)
+ url = self._clean_re.sub(lambda m: '%%%2x' % ord(m.group(0)), url)
+ result.add((url, rel))
+ # We sort the result, hoping to bring the most recent versions
+ # to the front
+ result = sorted(result, key=lambda t: t[0], reverse=True)
+ return result
+
+
+class SimpleScrapingLocator(Locator):
+ """
+ A locator which scrapes HTML pages to locate downloads for a distribution.
+ This runs multiple threads to do the I/O; performance is at least as good
+ as pip's PackageFinder, which works in an analogous fashion.
+ """
+
+ # These are used to deal with various Content-Encoding schemes.
+ decoders = {
+ 'deflate': zlib.decompress,
+ 'gzip': lambda b: gzip.GzipFile(fileobj=BytesIO(b)).read(),
+ 'none': lambda b: b,
+ }
+
+ def __init__(self, url, timeout=None, num_workers=10, **kwargs):
+ """
+ Initialise an instance.
+ :param url: The root URL to use for scraping.
+ :param timeout: The timeout, in seconds, to be applied to requests.
+ This defaults to ``None`` (no timeout specified).
+ :param num_workers: The number of worker threads you want to do I/O,
+ This defaults to 10.
+ :param kwargs: Passed to the superclass.
+ """
+ super(SimpleScrapingLocator, self).__init__(**kwargs)
+ self.base_url = ensure_slash(url)
+ self.timeout = timeout
+ self._page_cache = {}
+ self._seen = set()
+ self._to_fetch = queue.Queue()
+ self._bad_hosts = set()
+ self.skip_externals = False
+ self.num_workers = num_workers
+ self._lock = threading.RLock()
+ # See issue #45: we need to be resilient when the locator is used
+ # in a thread, e.g. with concurrent.futures. We can't use self._lock
+ # as it is for coordinating our internal threads - the ones created
+ # in _prepare_threads.
+ self._gplock = threading.RLock()
+ self.platform_check = False # See issue #112
+
+ def _prepare_threads(self):
+ """
+ Threads are created only when get_project is called, and terminate
+ before it returns. They are there primarily to parallelise I/O (i.e.
+ fetching web pages).
+ """
+ self._threads = []
+ for i in range(self.num_workers):
+ t = threading.Thread(target=self._fetch)
+ t.setDaemon(True)
+ t.start()
+ self._threads.append(t)
+
+ def _wait_threads(self):
+ """
+ Tell all the threads to terminate (by sending a sentinel value) and
+ wait for them to do so.
+ """
+ # Note that you need two loops, since you can't say which
+ # thread will get each sentinel
+ for t in self._threads:
+ self._to_fetch.put(None) # sentinel
+ for t in self._threads:
+ t.join()
+ self._threads = []
+
+ def _get_project(self, name):
+ result = {'urls': {}, 'digests': {}}
+ with self._gplock:
+ self.result = result
+ self.project_name = name
+ url = urljoin(self.base_url, '%s/' % quote(name))
+ self._seen.clear()
+ self._page_cache.clear()
+ self._prepare_threads()
+ try:
+ logger.debug('Queueing %s', url)
+ self._to_fetch.put(url)
+ self._to_fetch.join()
+ finally:
+ self._wait_threads()
+ del self.result
+ return result
+
+ platform_dependent = re.compile(r'\b(linux_(i\d86|x86_64|arm\w+)|'
+ r'win(32|_amd64)|macosx_?\d+)\b', re.I)
+
+ def _is_platform_dependent(self, url):
+ """
+ Does an URL refer to a platform-specific download?
+ """
+ return self.platform_dependent.search(url)
+
+ def _process_download(self, url):
+ """
+ See if an URL is a suitable download for a project.
+
+ If it is, register information in the result dictionary (for
+ _get_project) about the specific version it's for.
+
+ Note that the return value isn't actually used other than as a boolean
+ value.
+ """
+ if self.platform_check and self._is_platform_dependent(url):
+ info = None
+ else:
+ info = self.convert_url_to_download_info(url, self.project_name)
+ logger.debug('process_download: %s -> %s', url, info)
+ if info:
+ with self._lock: # needed because self.result is shared
+ self._update_version_data(self.result, info)
+ return info
+
+ def _should_queue(self, link, referrer, rel):
+ """
+ Determine whether a link URL from a referring page and with a
+ particular "rel" attribute should be queued for scraping.
+ """
+ scheme, netloc, path, _, _, _ = urlparse(link)
+ if path.endswith(self.source_extensions + self.binary_extensions +
+ self.excluded_extensions):
+ result = False
+ elif self.skip_externals and not link.startswith(self.base_url):
+ result = False
+ elif not referrer.startswith(self.base_url):
+ result = False
+ elif rel not in ('homepage', 'download'):
+ result = False
+ elif scheme not in ('http', 'https', 'ftp'):
+ result = False
+ elif self._is_platform_dependent(link):
+ result = False
+ else:
+ host = netloc.split(':', 1)[0]
+ if host.lower() == 'localhost':
+ result = False
+ else:
+ result = True
+ logger.debug('should_queue: %s (%s) from %s -> %s', link, rel,
+ referrer, result)
+ return result
+
+ def _fetch(self):
+ """
+ Get a URL to fetch from the work queue, get the HTML page, examine its
+ links for download candidates and candidates for further scraping.
+
+ This is a handy method to run in a thread.
+ """
+ while True:
+ url = self._to_fetch.get()
+ try:
+ if url:
+ page = self.get_page(url)
+ if page is None: # e.g. after an error
+ continue
+ for link, rel in page.links:
+ if link not in self._seen:
+ try:
+ self._seen.add(link)
+ if (not self._process_download(link) and
+ self._should_queue(link, url, rel)):
+ logger.debug('Queueing %s from %s', link, url)
+ self._to_fetch.put(link)
+ except MetadataInvalidError: # e.g. invalid versions
+ pass
+ except Exception as e: # pragma: no cover
+ self.errors.put(text_type(e))
+ finally:
+ # always do this, to avoid hangs :-)
+ self._to_fetch.task_done()
+ if not url:
+ #logger.debug('Sentinel seen, quitting.')
+ break
+
+ def get_page(self, url):
+ """
+ Get the HTML for an URL, possibly from an in-memory cache.
+
+ XXX TODO Note: this cache is never actually cleared. It's assumed that
+ the data won't get stale over the lifetime of a locator instance (not
+ necessarily true for the default_locator).
+ """
+ # http://peak.telecommunity.com/DevCenter/EasyInstall#package-index-api
+ scheme, netloc, path, _, _, _ = urlparse(url)
+ if scheme == 'file' and os.path.isdir(url2pathname(path)):
+ url = urljoin(ensure_slash(url), 'index.html')
+
+ if url in self._page_cache:
+ result = self._page_cache[url]
+ logger.debug('Returning %s from cache: %s', url, result)
+ else:
+ host = netloc.split(':', 1)[0]
+ result = None
+ if host in self._bad_hosts:
+ logger.debug('Skipping %s due to bad host %s', url, host)
+ else:
+ req = Request(url, headers={'Accept-encoding': 'identity'})
+ try:
+ logger.debug('Fetching %s', url)
+ resp = self.opener.open(req, timeout=self.timeout)
+ logger.debug('Fetched %s', url)
+ headers = resp.info()
+ content_type = headers.get('Content-Type', '')
+ if HTML_CONTENT_TYPE.match(content_type):
+ final_url = resp.geturl()
+ data = resp.read()
+ encoding = headers.get('Content-Encoding')
+ if encoding:
+ decoder = self.decoders[encoding] # fail if not found
+ data = decoder(data)
+ encoding = 'utf-8'
+ m = CHARSET.search(content_type)
+ if m:
+ encoding = m.group(1)
+ try:
+ data = data.decode(encoding)
+ except UnicodeError: # pragma: no cover
+ data = data.decode('latin-1') # fallback
+ result = Page(data, final_url)
+ self._page_cache[final_url] = result
+ except HTTPError as e:
+ if e.code != 404:
+ logger.exception('Fetch failed: %s: %s', url, e)
+ except URLError as e: # pragma: no cover
+ logger.exception('Fetch failed: %s: %s', url, e)
+ with self._lock:
+ self._bad_hosts.add(host)
+ except Exception as e: # pragma: no cover
+ logger.exception('Fetch failed: %s: %s', url, e)
+ finally:
+ self._page_cache[url] = result # even if None (failure)
+ return result
+
+ _distname_re = re.compile(']*>([^<]+)<')
+
+ def get_distribution_names(self):
+ """
+ Return all the distribution names known to this locator.
+ """
+ result = set()
+ page = self.get_page(self.base_url)
+ if not page:
+ raise DistlibException('Unable to get %s' % self.base_url)
+ for match in self._distname_re.finditer(page.data):
+ result.add(match.group(1))
+ return result
+
+class DirectoryLocator(Locator):
+ """
+ This class locates distributions in a directory tree.
+ """
+
+ def __init__(self, path, **kwargs):
+ """
+ Initialise an instance.
+ :param path: The root of the directory tree to search.
+ :param kwargs: Passed to the superclass constructor,
+ except for:
+ * recursive - if True (the default), subdirectories are
+ recursed into. If False, only the top-level directory
+ is searched,
+ """
+ self.recursive = kwargs.pop('recursive', True)
+ super(DirectoryLocator, self).__init__(**kwargs)
+ path = os.path.abspath(path)
+ if not os.path.isdir(path): # pragma: no cover
+ raise DistlibException('Not a directory: %r' % path)
+ self.base_dir = path
+
+ def should_include(self, filename, parent):
+ """
+ Should a filename be considered as a candidate for a distribution
+ archive? As well as the filename, the directory which contains it
+ is provided, though not used by the current implementation.
+ """
+ return filename.endswith(self.downloadable_extensions)
+
+ def _get_project(self, name):
+ result = {'urls': {}, 'digests': {}}
+ for root, dirs, files in os.walk(self.base_dir):
+ for fn in files:
+ if self.should_include(fn, root):
+ fn = os.path.join(root, fn)
+ url = urlunparse(('file', '',
+ pathname2url(os.path.abspath(fn)),
+ '', '', ''))
+ info = self.convert_url_to_download_info(url, name)
+ if info:
+ self._update_version_data(result, info)
+ if not self.recursive:
+ break
+ return result
+
+ def get_distribution_names(self):
+ """
+ Return all the distribution names known to this locator.
+ """
+ result = set()
+ for root, dirs, files in os.walk(self.base_dir):
+ for fn in files:
+ if self.should_include(fn, root):
+ fn = os.path.join(root, fn)
+ url = urlunparse(('file', '',
+ pathname2url(os.path.abspath(fn)),
+ '', '', ''))
+ info = self.convert_url_to_download_info(url, None)
+ if info:
+ result.add(info['name'])
+ if not self.recursive:
+ break
+ return result
+
+class JSONLocator(Locator):
+ """
+ This locator uses special extended metadata (not available on PyPI) and is
+ the basis of performant dependency resolution in distlib. Other locators
+ require archive downloads before dependencies can be determined! As you
+ might imagine, that can be slow.
+ """
+ def get_distribution_names(self):
+ """
+ Return all the distribution names known to this locator.
+ """
+ raise NotImplementedError('Not available from this locator')
+
+ def _get_project(self, name):
+ result = {'urls': {}, 'digests': {}}
+ data = get_project_data(name)
+ if data:
+ for info in data.get('files', []):
+ if info['ptype'] != 'sdist' or info['pyversion'] != 'source':
+ continue
+ # We don't store summary in project metadata as it makes
+ # the data bigger for no benefit during dependency
+ # resolution
+ dist = make_dist(data['name'], info['version'],
+ summary=data.get('summary',
+ 'Placeholder for summary'),
+ scheme=self.scheme)
+ md = dist.metadata
+ md.source_url = info['url']
+ # TODO SHA256 digest
+ if 'digest' in info and info['digest']:
+ dist.digest = ('md5', info['digest'])
+ md.dependencies = info.get('requirements', {})
+ dist.exports = info.get('exports', {})
+ result[dist.version] = dist
+ result['urls'].setdefault(dist.version, set()).add(info['url'])
+ return result
+
+class DistPathLocator(Locator):
+ """
+ This locator finds installed distributions in a path. It can be useful for
+ adding to an :class:`AggregatingLocator`.
+ """
+ def __init__(self, distpath, **kwargs):
+ """
+ Initialise an instance.
+
+ :param distpath: A :class:`DistributionPath` instance to search.
+ """
+ super(DistPathLocator, self).__init__(**kwargs)
+ assert isinstance(distpath, DistributionPath)
+ self.distpath = distpath
+
+ def _get_project(self, name):
+ dist = self.distpath.get_distribution(name)
+ if dist is None:
+ result = {'urls': {}, 'digests': {}}
+ else:
+ result = {
+ dist.version: dist,
+ 'urls': {dist.version: set([dist.source_url])},
+ 'digests': {dist.version: set([None])}
+ }
+ return result
+
+
+class AggregatingLocator(Locator):
+ """
+ This class allows you to chain and/or merge a list of locators.
+ """
+ def __init__(self, *locators, **kwargs):
+ """
+ Initialise an instance.
+
+ :param locators: The list of locators to search.
+ :param kwargs: Passed to the superclass constructor,
+ except for:
+ * merge - if False (the default), the first successful
+ search from any of the locators is returned. If True,
+ the results from all locators are merged (this can be
+ slow).
+ """
+ self.merge = kwargs.pop('merge', False)
+ self.locators = locators
+ super(AggregatingLocator, self).__init__(**kwargs)
+
+ def clear_cache(self):
+ super(AggregatingLocator, self).clear_cache()
+ for locator in self.locators:
+ locator.clear_cache()
+
+ def _set_scheme(self, value):
+ self._scheme = value
+ for locator in self.locators:
+ locator.scheme = value
+
+ scheme = property(Locator.scheme.fget, _set_scheme)
+
+ def _get_project(self, name):
+ result = {}
+ for locator in self.locators:
+ d = locator.get_project(name)
+ if d:
+ if self.merge:
+ files = result.get('urls', {})
+ digests = result.get('digests', {})
+ # next line could overwrite result['urls'], result['digests']
+ result.update(d)
+ df = result.get('urls')
+ if files and df:
+ for k, v in files.items():
+ if k in df:
+ df[k] |= v
+ else:
+ df[k] = v
+ dd = result.get('digests')
+ if digests and dd:
+ dd.update(digests)
+ else:
+ # See issue #18. If any dists are found and we're looking
+ # for specific constraints, we only return something if
+ # a match is found. For example, if a DirectoryLocator
+ # returns just foo (1.0) while we're looking for
+ # foo (>= 2.0), we'll pretend there was nothing there so
+ # that subsequent locators can be queried. Otherwise we
+ # would just return foo (1.0) which would then lead to a
+ # failure to find foo (>= 2.0), because other locators
+ # weren't searched. Note that this only matters when
+ # merge=False.
+ if self.matcher is None:
+ found = True
+ else:
+ found = False
+ for k in d:
+ if self.matcher.match(k):
+ found = True
+ break
+ if found:
+ result = d
+ break
+ return result
+
+ def get_distribution_names(self):
+ """
+ Return all the distribution names known to this locator.
+ """
+ result = set()
+ for locator in self.locators:
+ try:
+ result |= locator.get_distribution_names()
+ except NotImplementedError:
+ pass
+ return result
+
+
+# We use a legacy scheme simply because most of the dists on PyPI use legacy
+# versions which don't conform to PEP 426 / PEP 440.
+default_locator = AggregatingLocator(
+ JSONLocator(),
+ SimpleScrapingLocator('https://pypi.org/simple/',
+ timeout=3.0),
+ scheme='legacy')
+
+locate = default_locator.locate
+
+
+class DependencyFinder(object):
+ """
+ Locate dependencies for distributions.
+ """
+
+ def __init__(self, locator=None):
+ """
+ Initialise an instance, using the specified locator
+ to locate distributions.
+ """
+ self.locator = locator or default_locator
+ self.scheme = get_scheme(self.locator.scheme)
+
+ def add_distribution(self, dist):
+ """
+ Add a distribution to the finder. This will update internal information
+ about who provides what.
+ :param dist: The distribution to add.
+ """
+ logger.debug('adding distribution %s', dist)
+ name = dist.key
+ self.dists_by_name[name] = dist
+ self.dists[(name, dist.version)] = dist
+ for p in dist.provides:
+ name, version = parse_name_and_version(p)
+ logger.debug('Add to provided: %s, %s, %s', name, version, dist)
+ self.provided.setdefault(name, set()).add((version, dist))
+
+ def remove_distribution(self, dist):
+ """
+ Remove a distribution from the finder. This will update internal
+ information about who provides what.
+ :param dist: The distribution to remove.
+ """
+ logger.debug('removing distribution %s', dist)
+ name = dist.key
+ del self.dists_by_name[name]
+ del self.dists[(name, dist.version)]
+ for p in dist.provides:
+ name, version = parse_name_and_version(p)
+ logger.debug('Remove from provided: %s, %s, %s', name, version, dist)
+ s = self.provided[name]
+ s.remove((version, dist))
+ if not s:
+ del self.provided[name]
+
+ def get_matcher(self, reqt):
+ """
+ Get a version matcher for a requirement.
+ :param reqt: The requirement
+ :type reqt: str
+ :return: A version matcher (an instance of
+ :class:`distlib.version.Matcher`).
+ """
+ try:
+ matcher = self.scheme.matcher(reqt)
+ except UnsupportedVersionError: # pragma: no cover
+ # XXX compat-mode if cannot read the version
+ name = reqt.split()[0]
+ matcher = self.scheme.matcher(name)
+ return matcher
+
+ def find_providers(self, reqt):
+ """
+ Find the distributions which can fulfill a requirement.
+
+ :param reqt: The requirement.
+ :type reqt: str
+ :return: A set of distribution which can fulfill the requirement.
+ """
+ matcher = self.get_matcher(reqt)
+ name = matcher.key # case-insensitive
+ result = set()
+ provided = self.provided
+ if name in provided:
+ for version, provider in provided[name]:
+ try:
+ match = matcher.match(version)
+ except UnsupportedVersionError:
+ match = False
+
+ if match:
+ result.add(provider)
+ break
+ return result
+
+ def try_to_replace(self, provider, other, problems):
+ """
+ Attempt to replace one provider with another. This is typically used
+ when resolving dependencies from multiple sources, e.g. A requires
+ (B >= 1.0) while C requires (B >= 1.1).
+
+ For successful replacement, ``provider`` must meet all the requirements
+ which ``other`` fulfills.
+
+ :param provider: The provider we are trying to replace with.
+ :param other: The provider we're trying to replace.
+ :param problems: If False is returned, this will contain what
+ problems prevented replacement. This is currently
+ a tuple of the literal string 'cantreplace',
+ ``provider``, ``other`` and the set of requirements
+ that ``provider`` couldn't fulfill.
+ :return: True if we can replace ``other`` with ``provider``, else
+ False.
+ """
+ rlist = self.reqts[other]
+ unmatched = set()
+ for s in rlist:
+ matcher = self.get_matcher(s)
+ if not matcher.match(provider.version):
+ unmatched.add(s)
+ if unmatched:
+ # can't replace other with provider
+ problems.add(('cantreplace', provider, other,
+ frozenset(unmatched)))
+ result = False
+ else:
+ # can replace other with provider
+ self.remove_distribution(other)
+ del self.reqts[other]
+ for s in rlist:
+ self.reqts.setdefault(provider, set()).add(s)
+ self.add_distribution(provider)
+ result = True
+ return result
+
+ def find(self, requirement, meta_extras=None, prereleases=False):
+ """
+ Find a distribution and all distributions it depends on.
+
+ :param requirement: The requirement specifying the distribution to
+ find, or a Distribution instance.
+ :param meta_extras: A list of meta extras such as :test:, :build: and
+ so on.
+ :param prereleases: If ``True``, allow pre-release versions to be
+ returned - otherwise, don't return prereleases
+ unless they're all that's available.
+
+ Return a set of :class:`Distribution` instances and a set of
+ problems.
+
+ The distributions returned should be such that they have the
+ :attr:`required` attribute set to ``True`` if they were
+ from the ``requirement`` passed to ``find()``, and they have the
+ :attr:`build_time_dependency` attribute set to ``True`` unless they
+ are post-installation dependencies of the ``requirement``.
+
+ The problems should be a tuple consisting of the string
+ ``'unsatisfied'`` and the requirement which couldn't be satisfied
+ by any distribution known to the locator.
+ """
+
+ self.provided = {}
+ self.dists = {}
+ self.dists_by_name = {}
+ self.reqts = {}
+
+ meta_extras = set(meta_extras or [])
+ if ':*:' in meta_extras:
+ meta_extras.remove(':*:')
+ # :meta: and :run: are implicitly included
+ meta_extras |= set([':test:', ':build:', ':dev:'])
+
+ if isinstance(requirement, Distribution):
+ dist = odist = requirement
+ logger.debug('passed %s as requirement', odist)
+ else:
+ dist = odist = self.locator.locate(requirement,
+ prereleases=prereleases)
+ if dist is None:
+ raise DistlibException('Unable to locate %r' % requirement)
+ logger.debug('located %s', odist)
+ dist.requested = True
+ problems = set()
+ todo = set([dist])
+ install_dists = set([odist])
+ while todo:
+ dist = todo.pop()
+ name = dist.key # case-insensitive
+ if name not in self.dists_by_name:
+ self.add_distribution(dist)
+ else:
+ #import pdb; pdb.set_trace()
+ other = self.dists_by_name[name]
+ if other != dist:
+ self.try_to_replace(dist, other, problems)
+
+ ireqts = dist.run_requires | dist.meta_requires
+ sreqts = dist.build_requires
+ ereqts = set()
+ if meta_extras and dist in install_dists:
+ for key in ('test', 'build', 'dev'):
+ e = ':%s:' % key
+ if e in meta_extras:
+ ereqts |= getattr(dist, '%s_requires' % key)
+ all_reqts = ireqts | sreqts | ereqts
+ for r in all_reqts:
+ providers = self.find_providers(r)
+ if not providers:
+ logger.debug('No providers found for %r', r)
+ provider = self.locator.locate(r, prereleases=prereleases)
+ # If no provider is found and we didn't consider
+ # prereleases, consider them now.
+ if provider is None and not prereleases:
+ provider = self.locator.locate(r, prereleases=True)
+ if provider is None:
+ logger.debug('Cannot satisfy %r', r)
+ problems.add(('unsatisfied', r))
+ else:
+ n, v = provider.key, provider.version
+ if (n, v) not in self.dists:
+ todo.add(provider)
+ providers.add(provider)
+ if r in ireqts and dist in install_dists:
+ install_dists.add(provider)
+ logger.debug('Adding %s to install_dists',
+ provider.name_and_version)
+ for p in providers:
+ name = p.key
+ if name not in self.dists_by_name:
+ self.reqts.setdefault(p, set()).add(r)
+ else:
+ other = self.dists_by_name[name]
+ if other != p:
+ # see if other can be replaced by p
+ self.try_to_replace(p, other, problems)
+
+ dists = set(self.dists.values())
+ for dist in dists:
+ dist.build_time_dependency = dist not in install_dists
+ if dist.build_time_dependency:
+ logger.debug('%s is a build-time dependency only.',
+ dist.name_and_version)
+ logger.debug('find done for %s', odist)
+ return dists, problems
diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/manifest.py b/Scripts/Lib/site-packages/pip/_vendor/distlib/manifest.py
new file mode 100644
index 0000000..ca0fe44
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/distlib/manifest.py
@@ -0,0 +1,393 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2012-2013 Python Software Foundation.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+"""
+Class representing the list of files in a distribution.
+
+Equivalent to distutils.filelist, but fixes some problems.
+"""
+import fnmatch
+import logging
+import os
+import re
+import sys
+
+from . import DistlibException
+from .compat import fsdecode
+from .util import convert_path
+
+
+__all__ = ['Manifest']
+
+logger = logging.getLogger(__name__)
+
+# a \ followed by some spaces + EOL
+_COLLAPSE_PATTERN = re.compile('\\\\w*\n', re.M)
+_COMMENTED_LINE = re.compile('#.*?(?=\n)|\n(?=$)', re.M | re.S)
+
+#
+# Due to the different results returned by fnmatch.translate, we need
+# to do slightly different processing for Python 2.7 and 3.2 ... this needed
+# to be brought in for Python 3.6 onwards.
+#
+_PYTHON_VERSION = sys.version_info[:2]
+
+class Manifest(object):
+ """A list of files built by on exploring the filesystem and filtered by
+ applying various patterns to what we find there.
+ """
+
+ def __init__(self, base=None):
+ """
+ Initialise an instance.
+
+ :param base: The base directory to explore under.
+ """
+ self.base = os.path.abspath(os.path.normpath(base or os.getcwd()))
+ self.prefix = self.base + os.sep
+ self.allfiles = None
+ self.files = set()
+
+ #
+ # Public API
+ #
+
+ def findall(self):
+ """Find all files under the base and set ``allfiles`` to the absolute
+ pathnames of files found.
+ """
+ from stat import S_ISREG, S_ISDIR, S_ISLNK
+
+ self.allfiles = allfiles = []
+ root = self.base
+ stack = [root]
+ pop = stack.pop
+ push = stack.append
+
+ while stack:
+ root = pop()
+ names = os.listdir(root)
+
+ for name in names:
+ fullname = os.path.join(root, name)
+
+ # Avoid excess stat calls -- just one will do, thank you!
+ stat = os.stat(fullname)
+ mode = stat.st_mode
+ if S_ISREG(mode):
+ allfiles.append(fsdecode(fullname))
+ elif S_ISDIR(mode) and not S_ISLNK(mode):
+ push(fullname)
+
+ def add(self, item):
+ """
+ Add a file to the manifest.
+
+ :param item: The pathname to add. This can be relative to the base.
+ """
+ if not item.startswith(self.prefix):
+ item = os.path.join(self.base, item)
+ self.files.add(os.path.normpath(item))
+
+ def add_many(self, items):
+ """
+ Add a list of files to the manifest.
+
+ :param items: The pathnames to add. These can be relative to the base.
+ """
+ for item in items:
+ self.add(item)
+
+ def sorted(self, wantdirs=False):
+ """
+ Return sorted files in directory order
+ """
+
+ def add_dir(dirs, d):
+ dirs.add(d)
+ logger.debug('add_dir added %s', d)
+ if d != self.base:
+ parent, _ = os.path.split(d)
+ assert parent not in ('', '/')
+ add_dir(dirs, parent)
+
+ result = set(self.files) # make a copy!
+ if wantdirs:
+ dirs = set()
+ for f in result:
+ add_dir(dirs, os.path.dirname(f))
+ result |= dirs
+ return [os.path.join(*path_tuple) for path_tuple in
+ sorted(os.path.split(path) for path in result)]
+
+ def clear(self):
+ """Clear all collected files."""
+ self.files = set()
+ self.allfiles = []
+
+ def process_directive(self, directive):
+ """
+ Process a directive which either adds some files from ``allfiles`` to
+ ``files``, or removes some files from ``files``.
+
+ :param directive: The directive to process. This should be in a format
+ compatible with distutils ``MANIFEST.in`` files:
+
+ http://docs.python.org/distutils/sourcedist.html#commands
+ """
+ # Parse the line: split it up, make sure the right number of words
+ # is there, and return the relevant words. 'action' is always
+ # defined: it's the first word of the line. Which of the other
+ # three are defined depends on the action; it'll be either
+ # patterns, (dir and patterns), or (dirpattern).
+ action, patterns, thedir, dirpattern = self._parse_directive(directive)
+
+ # OK, now we know that the action is valid and we have the
+ # right number of words on the line for that action -- so we
+ # can proceed with minimal error-checking.
+ if action == 'include':
+ for pattern in patterns:
+ if not self._include_pattern(pattern, anchor=True):
+ logger.warning('no files found matching %r', pattern)
+
+ elif action == 'exclude':
+ for pattern in patterns:
+ found = self._exclude_pattern(pattern, anchor=True)
+ #if not found:
+ # logger.warning('no previously-included files '
+ # 'found matching %r', pattern)
+
+ elif action == 'global-include':
+ for pattern in patterns:
+ if not self._include_pattern(pattern, anchor=False):
+ logger.warning('no files found matching %r '
+ 'anywhere in distribution', pattern)
+
+ elif action == 'global-exclude':
+ for pattern in patterns:
+ found = self._exclude_pattern(pattern, anchor=False)
+ #if not found:
+ # logger.warning('no previously-included files '
+ # 'matching %r found anywhere in '
+ # 'distribution', pattern)
+
+ elif action == 'recursive-include':
+ for pattern in patterns:
+ if not self._include_pattern(pattern, prefix=thedir):
+ logger.warning('no files found matching %r '
+ 'under directory %r', pattern, thedir)
+
+ elif action == 'recursive-exclude':
+ for pattern in patterns:
+ found = self._exclude_pattern(pattern, prefix=thedir)
+ #if not found:
+ # logger.warning('no previously-included files '
+ # 'matching %r found under directory %r',
+ # pattern, thedir)
+
+ elif action == 'graft':
+ if not self._include_pattern(None, prefix=dirpattern):
+ logger.warning('no directories found matching %r',
+ dirpattern)
+
+ elif action == 'prune':
+ if not self._exclude_pattern(None, prefix=dirpattern):
+ logger.warning('no previously-included directories found '
+ 'matching %r', dirpattern)
+ else: # pragma: no cover
+ # This should never happen, as it should be caught in
+ # _parse_template_line
+ raise DistlibException(
+ 'invalid action %r' % action)
+
+ #
+ # Private API
+ #
+
+ def _parse_directive(self, directive):
+ """
+ Validate a directive.
+ :param directive: The directive to validate.
+ :return: A tuple of action, patterns, thedir, dir_patterns
+ """
+ words = directive.split()
+ if len(words) == 1 and words[0] not in ('include', 'exclude',
+ 'global-include',
+ 'global-exclude',
+ 'recursive-include',
+ 'recursive-exclude',
+ 'graft', 'prune'):
+ # no action given, let's use the default 'include'
+ words.insert(0, 'include')
+
+ action = words[0]
+ patterns = thedir = dir_pattern = None
+
+ if action in ('include', 'exclude',
+ 'global-include', 'global-exclude'):
+ if len(words) < 2:
+ raise DistlibException(
+ '%r expects ...' % action)
+
+ patterns = [convert_path(word) for word in words[1:]]
+
+ elif action in ('recursive-include', 'recursive-exclude'):
+ if len(words) < 3:
+ raise DistlibException(
+ '%r expects ...' % action)
+
+ thedir = convert_path(words[1])
+ patterns = [convert_path(word) for word in words[2:]]
+
+ elif action in ('graft', 'prune'):
+ if len(words) != 2:
+ raise DistlibException(
+ '%r expects a single ' % action)
+
+ dir_pattern = convert_path(words[1])
+
+ else:
+ raise DistlibException('unknown action %r' % action)
+
+ return action, patterns, thedir, dir_pattern
+
+ def _include_pattern(self, pattern, anchor=True, prefix=None,
+ is_regex=False):
+ """Select strings (presumably filenames) from 'self.files' that
+ match 'pattern', a Unix-style wildcard (glob) pattern.
+
+ Patterns are not quite the same as implemented by the 'fnmatch'
+ module: '*' and '?' match non-special characters, where "special"
+ is platform-dependent: slash on Unix; colon, slash, and backslash on
+ DOS/Windows; and colon on Mac OS.
+
+ If 'anchor' is true (the default), then the pattern match is more
+ stringent: "*.py" will match "foo.py" but not "foo/bar.py". If
+ 'anchor' is false, both of these will match.
+
+ If 'prefix' is supplied, then only filenames starting with 'prefix'
+ (itself a pattern) and ending with 'pattern', with anything in between
+ them, will match. 'anchor' is ignored in this case.
+
+ If 'is_regex' is true, 'anchor' and 'prefix' are ignored, and
+ 'pattern' is assumed to be either a string containing a regex or a
+ regex object -- no translation is done, the regex is just compiled
+ and used as-is.
+
+ Selected strings will be added to self.files.
+
+ Return True if files are found.
+ """
+ # XXX docstring lying about what the special chars are?
+ found = False
+ pattern_re = self._translate_pattern(pattern, anchor, prefix, is_regex)
+
+ # delayed loading of allfiles list
+ if self.allfiles is None:
+ self.findall()
+
+ for name in self.allfiles:
+ if pattern_re.search(name):
+ self.files.add(name)
+ found = True
+ return found
+
+ def _exclude_pattern(self, pattern, anchor=True, prefix=None,
+ is_regex=False):
+ """Remove strings (presumably filenames) from 'files' that match
+ 'pattern'.
+
+ Other parameters are the same as for 'include_pattern()', above.
+ The list 'self.files' is modified in place. Return True if files are
+ found.
+
+ This API is public to allow e.g. exclusion of SCM subdirs, e.g. when
+ packaging source distributions
+ """
+ found = False
+ pattern_re = self._translate_pattern(pattern, anchor, prefix, is_regex)
+ for f in list(self.files):
+ if pattern_re.search(f):
+ self.files.remove(f)
+ found = True
+ return found
+
+ def _translate_pattern(self, pattern, anchor=True, prefix=None,
+ is_regex=False):
+ """Translate a shell-like wildcard pattern to a compiled regular
+ expression.
+
+ Return the compiled regex. If 'is_regex' true,
+ then 'pattern' is directly compiled to a regex (if it's a string)
+ or just returned as-is (assumes it's a regex object).
+ """
+ if is_regex:
+ if isinstance(pattern, str):
+ return re.compile(pattern)
+ else:
+ return pattern
+
+ if _PYTHON_VERSION > (3, 2):
+ # ditch start and end characters
+ start, _, end = self._glob_to_re('_').partition('_')
+
+ if pattern:
+ pattern_re = self._glob_to_re(pattern)
+ if _PYTHON_VERSION > (3, 2):
+ assert pattern_re.startswith(start) and pattern_re.endswith(end)
+ else:
+ pattern_re = ''
+
+ base = re.escape(os.path.join(self.base, ''))
+ if prefix is not None:
+ # ditch end of pattern character
+ if _PYTHON_VERSION <= (3, 2):
+ empty_pattern = self._glob_to_re('')
+ prefix_re = self._glob_to_re(prefix)[:-len(empty_pattern)]
+ else:
+ prefix_re = self._glob_to_re(prefix)
+ assert prefix_re.startswith(start) and prefix_re.endswith(end)
+ prefix_re = prefix_re[len(start): len(prefix_re) - len(end)]
+ sep = os.sep
+ if os.sep == '\\':
+ sep = r'\\'
+ if _PYTHON_VERSION <= (3, 2):
+ pattern_re = '^' + base + sep.join((prefix_re,
+ '.*' + pattern_re))
+ else:
+ pattern_re = pattern_re[len(start): len(pattern_re) - len(end)]
+ pattern_re = r'%s%s%s%s.*%s%s' % (start, base, prefix_re, sep,
+ pattern_re, end)
+ else: # no prefix -- respect anchor flag
+ if anchor:
+ if _PYTHON_VERSION <= (3, 2):
+ pattern_re = '^' + base + pattern_re
+ else:
+ pattern_re = r'%s%s%s' % (start, base, pattern_re[len(start):])
+
+ return re.compile(pattern_re)
+
+ def _glob_to_re(self, pattern):
+ """Translate a shell-like glob pattern to a regular expression.
+
+ Return a string containing the regex. Differs from
+ 'fnmatch.translate()' in that '*' does not match "special characters"
+ (which are platform-specific).
+ """
+ pattern_re = fnmatch.translate(pattern)
+
+ # '?' and '*' in the glob pattern become '.' and '.*' in the RE, which
+ # IMHO is wrong -- '?' and '*' aren't supposed to match slash in Unix,
+ # and by extension they shouldn't match such "special characters" under
+ # any OS. So change all non-escaped dots in the RE to match any
+ # character except the special characters (currently: just os.sep).
+ sep = os.sep
+ if os.sep == '\\':
+ # we're using a regex to manipulate a regex, so we need
+ # to escape the backslash twice
+ sep = r'\\\\'
+ escaped = r'\1[^%s]' % sep
+ pattern_re = re.sub(r'((? y,
+ '!=': lambda x, y: x != y,
+ '<': lambda x, y: x < y,
+ '<=': lambda x, y: x == y or x < y,
+ '>': lambda x, y: x > y,
+ '>=': lambda x, y: x == y or x > y,
+ 'and': lambda x, y: x and y,
+ 'or': lambda x, y: x or y,
+ 'in': lambda x, y: x in y,
+ 'not in': lambda x, y: x not in y,
+ }
+
+ def evaluate(self, expr, context):
+ """
+ Evaluate a marker expression returned by the :func:`parse_requirement`
+ function in the specified context.
+ """
+ if isinstance(expr, string_types):
+ if expr[0] in '\'"':
+ result = expr[1:-1]
+ else:
+ if expr not in context:
+ raise SyntaxError('unknown variable: %s' % expr)
+ result = context[expr]
+ else:
+ assert isinstance(expr, dict)
+ op = expr['op']
+ if op not in self.operations:
+ raise NotImplementedError('op not implemented: %s' % op)
+ elhs = expr['lhs']
+ erhs = expr['rhs']
+ if _is_literal(expr['lhs']) and _is_literal(expr['rhs']):
+ raise SyntaxError('invalid comparison: %s %s %s' % (elhs, op, erhs))
+
+ lhs = self.evaluate(elhs, context)
+ rhs = self.evaluate(erhs, context)
+ result = self.operations[op](lhs, rhs)
+ return result
+
+def default_context():
+ def format_full_version(info):
+ version = '%s.%s.%s' % (info.major, info.minor, info.micro)
+ kind = info.releaselevel
+ if kind != 'final':
+ version += kind[0] + str(info.serial)
+ return version
+
+ if hasattr(sys, 'implementation'):
+ implementation_version = format_full_version(sys.implementation.version)
+ implementation_name = sys.implementation.name
+ else:
+ implementation_version = '0'
+ implementation_name = ''
+
+ result = {
+ 'implementation_name': implementation_name,
+ 'implementation_version': implementation_version,
+ 'os_name': os.name,
+ 'platform_machine': platform.machine(),
+ 'platform_python_implementation': platform.python_implementation(),
+ 'platform_release': platform.release(),
+ 'platform_system': platform.system(),
+ 'platform_version': platform.version(),
+ 'platform_in_venv': str(in_venv()),
+ 'python_full_version': platform.python_version(),
+ 'python_version': platform.python_version()[:3],
+ 'sys_platform': sys.platform,
+ }
+ return result
+
+DEFAULT_CONTEXT = default_context()
+del default_context
+
+evaluator = Evaluator()
+
+def interpret(marker, execution_context=None):
+ """
+ Interpret a marker and return a result depending on environment.
+
+ :param marker: The marker to interpret.
+ :type marker: str
+ :param execution_context: The context used for name lookup.
+ :type execution_context: mapping
+ """
+ try:
+ expr, rest = parse_marker(marker)
+ except Exception as e:
+ raise SyntaxError('Unable to interpret marker syntax: %s: %s' % (marker, e))
+ if rest and rest[0] != '#':
+ raise SyntaxError('unexpected trailing data in marker: %s: %s' % (marker, rest))
+ context = dict(DEFAULT_CONTEXT)
+ if execution_context:
+ context.update(execution_context)
+ return evaluator.evaluate(expr, context)
diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/metadata.py b/Scripts/Lib/site-packages/pip/_vendor/distlib/metadata.py
new file mode 100644
index 0000000..6a26b0a
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/distlib/metadata.py
@@ -0,0 +1,1058 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2012 The Python Software Foundation.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+"""Implementation of the Metadata for Python packages PEPs.
+
+Supports all metadata formats (1.0, 1.1, 1.2, 1.3/2.1 and withdrawn 2.0).
+"""
+from __future__ import unicode_literals
+
+import codecs
+from email import message_from_file
+import json
+import logging
+import re
+
+
+from . import DistlibException, __version__
+from .compat import StringIO, string_types, text_type
+from .markers import interpret
+from .util import extract_by_key, get_extras
+from .version import get_scheme, PEP440_VERSION_RE
+
+logger = logging.getLogger(__name__)
+
+
+class MetadataMissingError(DistlibException):
+ """A required metadata is missing"""
+
+
+class MetadataConflictError(DistlibException):
+ """Attempt to read or write metadata fields that are conflictual."""
+
+
+class MetadataUnrecognizedVersionError(DistlibException):
+ """Unknown metadata version number."""
+
+
+class MetadataInvalidError(DistlibException):
+ """A metadata value is invalid"""
+
+# public API of this module
+__all__ = ['Metadata', 'PKG_INFO_ENCODING', 'PKG_INFO_PREFERRED_VERSION']
+
+# Encoding used for the PKG-INFO files
+PKG_INFO_ENCODING = 'utf-8'
+
+# preferred version. Hopefully will be changed
+# to 1.2 once PEP 345 is supported everywhere
+PKG_INFO_PREFERRED_VERSION = '1.1'
+
+_LINE_PREFIX_1_2 = re.compile('\n \\|')
+_LINE_PREFIX_PRE_1_2 = re.compile('\n ')
+_241_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform',
+ 'Summary', 'Description',
+ 'Keywords', 'Home-page', 'Author', 'Author-email',
+ 'License')
+
+_314_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform',
+ 'Supported-Platform', 'Summary', 'Description',
+ 'Keywords', 'Home-page', 'Author', 'Author-email',
+ 'License', 'Classifier', 'Download-URL', 'Obsoletes',
+ 'Provides', 'Requires')
+
+_314_MARKERS = ('Obsoletes', 'Provides', 'Requires', 'Classifier',
+ 'Download-URL')
+
+_345_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform',
+ 'Supported-Platform', 'Summary', 'Description',
+ 'Keywords', 'Home-page', 'Author', 'Author-email',
+ 'Maintainer', 'Maintainer-email', 'License',
+ 'Classifier', 'Download-URL', 'Obsoletes-Dist',
+ 'Project-URL', 'Provides-Dist', 'Requires-Dist',
+ 'Requires-Python', 'Requires-External')
+
+_345_MARKERS = ('Provides-Dist', 'Requires-Dist', 'Requires-Python',
+ 'Obsoletes-Dist', 'Requires-External', 'Maintainer',
+ 'Maintainer-email', 'Project-URL')
+
+_426_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform',
+ 'Supported-Platform', 'Summary', 'Description',
+ 'Keywords', 'Home-page', 'Author', 'Author-email',
+ 'Maintainer', 'Maintainer-email', 'License',
+ 'Classifier', 'Download-URL', 'Obsoletes-Dist',
+ 'Project-URL', 'Provides-Dist', 'Requires-Dist',
+ 'Requires-Python', 'Requires-External', 'Private-Version',
+ 'Obsoleted-By', 'Setup-Requires-Dist', 'Extension',
+ 'Provides-Extra')
+
+_426_MARKERS = ('Private-Version', 'Provides-Extra', 'Obsoleted-By',
+ 'Setup-Requires-Dist', 'Extension')
+
+# See issue #106: Sometimes 'Requires' and 'Provides' occur wrongly in
+# the metadata. Include them in the tuple literal below to allow them
+# (for now).
+# Ditto for Obsoletes - see issue #140.
+_566_FIELDS = _426_FIELDS + ('Description-Content-Type',
+ 'Requires', 'Provides', 'Obsoletes')
+
+_566_MARKERS = ('Description-Content-Type',)
+
+_ALL_FIELDS = set()
+_ALL_FIELDS.update(_241_FIELDS)
+_ALL_FIELDS.update(_314_FIELDS)
+_ALL_FIELDS.update(_345_FIELDS)
+_ALL_FIELDS.update(_426_FIELDS)
+_ALL_FIELDS.update(_566_FIELDS)
+
+EXTRA_RE = re.compile(r'''extra\s*==\s*("([^"]+)"|'([^']+)')''')
+
+
+def _version2fieldlist(version):
+ if version == '1.0':
+ return _241_FIELDS
+ elif version == '1.1':
+ return _314_FIELDS
+ elif version == '1.2':
+ return _345_FIELDS
+ elif version in ('1.3', '2.1'):
+ # avoid adding field names if already there
+ return _345_FIELDS + tuple(f for f in _566_FIELDS if f not in _345_FIELDS)
+ elif version == '2.0':
+ return _426_FIELDS
+ raise MetadataUnrecognizedVersionError(version)
+
+
+def _best_version(fields):
+ """Detect the best version depending on the fields used."""
+ def _has_marker(keys, markers):
+ for marker in markers:
+ if marker in keys:
+ return True
+ return False
+
+ keys = []
+ for key, value in fields.items():
+ if value in ([], 'UNKNOWN', None):
+ continue
+ keys.append(key)
+
+ possible_versions = ['1.0', '1.1', '1.2', '1.3', '2.0', '2.1']
+
+ # first let's try to see if a field is not part of one of the version
+ for key in keys:
+ if key not in _241_FIELDS and '1.0' in possible_versions:
+ possible_versions.remove('1.0')
+ logger.debug('Removed 1.0 due to %s', key)
+ if key not in _314_FIELDS and '1.1' in possible_versions:
+ possible_versions.remove('1.1')
+ logger.debug('Removed 1.1 due to %s', key)
+ if key not in _345_FIELDS and '1.2' in possible_versions:
+ possible_versions.remove('1.2')
+ logger.debug('Removed 1.2 due to %s', key)
+ if key not in _566_FIELDS and '1.3' in possible_versions:
+ possible_versions.remove('1.3')
+ logger.debug('Removed 1.3 due to %s', key)
+ if key not in _566_FIELDS and '2.1' in possible_versions:
+ if key != 'Description': # In 2.1, description allowed after headers
+ possible_versions.remove('2.1')
+ logger.debug('Removed 2.1 due to %s', key)
+ if key not in _426_FIELDS and '2.0' in possible_versions:
+ possible_versions.remove('2.0')
+ logger.debug('Removed 2.0 due to %s', key)
+
+ # possible_version contains qualified versions
+ if len(possible_versions) == 1:
+ return possible_versions[0] # found !
+ elif len(possible_versions) == 0:
+ logger.debug('Out of options - unknown metadata set: %s', fields)
+ raise MetadataConflictError('Unknown metadata set')
+
+ # let's see if one unique marker is found
+ is_1_1 = '1.1' in possible_versions and _has_marker(keys, _314_MARKERS)
+ is_1_2 = '1.2' in possible_versions and _has_marker(keys, _345_MARKERS)
+ is_2_1 = '2.1' in possible_versions and _has_marker(keys, _566_MARKERS)
+ is_2_0 = '2.0' in possible_versions and _has_marker(keys, _426_MARKERS)
+ if int(is_1_1) + int(is_1_2) + int(is_2_1) + int(is_2_0) > 1:
+ raise MetadataConflictError('You used incompatible 1.1/1.2/2.0/2.1 fields')
+
+ # we have the choice, 1.0, or 1.2, or 2.0
+ # - 1.0 has a broken Summary field but works with all tools
+ # - 1.1 is to avoid
+ # - 1.2 fixes Summary but has little adoption
+ # - 2.0 adds more features and is very new
+ if not is_1_1 and not is_1_2 and not is_2_1 and not is_2_0:
+ # we couldn't find any specific marker
+ if PKG_INFO_PREFERRED_VERSION in possible_versions:
+ return PKG_INFO_PREFERRED_VERSION
+ if is_1_1:
+ return '1.1'
+ if is_1_2:
+ return '1.2'
+ if is_2_1:
+ return '2.1'
+
+ return '2.0'
+
+# This follows the rules about transforming keys as described in
+# https://www.python.org/dev/peps/pep-0566/#id17
+_ATTR2FIELD = {
+ name.lower().replace("-", "_"): name for name in _ALL_FIELDS
+}
+_FIELD2ATTR = {field: attr for attr, field in _ATTR2FIELD.items()}
+
+_PREDICATE_FIELDS = ('Requires-Dist', 'Obsoletes-Dist', 'Provides-Dist')
+_VERSIONS_FIELDS = ('Requires-Python',)
+_VERSION_FIELDS = ('Version',)
+_LISTFIELDS = ('Platform', 'Classifier', 'Obsoletes',
+ 'Requires', 'Provides', 'Obsoletes-Dist',
+ 'Provides-Dist', 'Requires-Dist', 'Requires-External',
+ 'Project-URL', 'Supported-Platform', 'Setup-Requires-Dist',
+ 'Provides-Extra', 'Extension')
+_LISTTUPLEFIELDS = ('Project-URL',)
+
+_ELEMENTSFIELD = ('Keywords',)
+
+_UNICODEFIELDS = ('Author', 'Maintainer', 'Summary', 'Description')
+
+_MISSING = object()
+
+_FILESAFE = re.compile('[^A-Za-z0-9.]+')
+
+
+def _get_name_and_version(name, version, for_filename=False):
+ """Return the distribution name with version.
+
+ If for_filename is true, return a filename-escaped form."""
+ if for_filename:
+ # For both name and version any runs of non-alphanumeric or '.'
+ # characters are replaced with a single '-'. Additionally any
+ # spaces in the version string become '.'
+ name = _FILESAFE.sub('-', name)
+ version = _FILESAFE.sub('-', version.replace(' ', '.'))
+ return '%s-%s' % (name, version)
+
+
+class LegacyMetadata(object):
+ """The legacy metadata of a release.
+
+ Supports versions 1.0, 1.1, 1.2, 2.0 and 1.3/2.1 (auto-detected). You can
+ instantiate the class with one of these arguments (or none):
+ - *path*, the path to a metadata file
+ - *fileobj* give a file-like object with metadata as content
+ - *mapping* is a dict-like object
+ - *scheme* is a version scheme name
+ """
+ # TODO document the mapping API and UNKNOWN default key
+
+ def __init__(self, path=None, fileobj=None, mapping=None,
+ scheme='default'):
+ if [path, fileobj, mapping].count(None) < 2:
+ raise TypeError('path, fileobj and mapping are exclusive')
+ self._fields = {}
+ self.requires_files = []
+ self._dependencies = None
+ self.scheme = scheme
+ if path is not None:
+ self.read(path)
+ elif fileobj is not None:
+ self.read_file(fileobj)
+ elif mapping is not None:
+ self.update(mapping)
+ self.set_metadata_version()
+
+ def set_metadata_version(self):
+ self._fields['Metadata-Version'] = _best_version(self._fields)
+
+ def _write_field(self, fileobj, name, value):
+ fileobj.write('%s: %s\n' % (name, value))
+
+ def __getitem__(self, name):
+ return self.get(name)
+
+ def __setitem__(self, name, value):
+ return self.set(name, value)
+
+ def __delitem__(self, name):
+ field_name = self._convert_name(name)
+ try:
+ del self._fields[field_name]
+ except KeyError:
+ raise KeyError(name)
+
+ def __contains__(self, name):
+ return (name in self._fields or
+ self._convert_name(name) in self._fields)
+
+ def _convert_name(self, name):
+ if name in _ALL_FIELDS:
+ return name
+ name = name.replace('-', '_').lower()
+ return _ATTR2FIELD.get(name, name)
+
+ def _default_value(self, name):
+ if name in _LISTFIELDS or name in _ELEMENTSFIELD:
+ return []
+ return 'UNKNOWN'
+
+ def _remove_line_prefix(self, value):
+ if self.metadata_version in ('1.0', '1.1'):
+ return _LINE_PREFIX_PRE_1_2.sub('\n', value)
+ else:
+ return _LINE_PREFIX_1_2.sub('\n', value)
+
+ def __getattr__(self, name):
+ if name in _ATTR2FIELD:
+ return self[name]
+ raise AttributeError(name)
+
+ #
+ # Public API
+ #
+
+# dependencies = property(_get_dependencies, _set_dependencies)
+
+ def get_fullname(self, filesafe=False):
+ """Return the distribution name with version.
+
+ If filesafe is true, return a filename-escaped form."""
+ return _get_name_and_version(self['Name'], self['Version'], filesafe)
+
+ def is_field(self, name):
+ """return True if name is a valid metadata key"""
+ name = self._convert_name(name)
+ return name in _ALL_FIELDS
+
+ def is_multi_field(self, name):
+ name = self._convert_name(name)
+ return name in _LISTFIELDS
+
+ def read(self, filepath):
+ """Read the metadata values from a file path."""
+ fp = codecs.open(filepath, 'r', encoding='utf-8')
+ try:
+ self.read_file(fp)
+ finally:
+ fp.close()
+
+ def read_file(self, fileob):
+ """Read the metadata values from a file object."""
+ msg = message_from_file(fileob)
+ self._fields['Metadata-Version'] = msg['metadata-version']
+
+ # When reading, get all the fields we can
+ for field in _ALL_FIELDS:
+ if field not in msg:
+ continue
+ if field in _LISTFIELDS:
+ # we can have multiple lines
+ values = msg.get_all(field)
+ if field in _LISTTUPLEFIELDS and values is not None:
+ values = [tuple(value.split(',')) for value in values]
+ self.set(field, values)
+ else:
+ # single line
+ value = msg[field]
+ if value is not None and value != 'UNKNOWN':
+ self.set(field, value)
+
+ # PEP 566 specifies that the body be used for the description, if
+ # available
+ body = msg.get_payload()
+ self["Description"] = body if body else self["Description"]
+ # logger.debug('Attempting to set metadata for %s', self)
+ # self.set_metadata_version()
+
+ def write(self, filepath, skip_unknown=False):
+ """Write the metadata fields to filepath."""
+ fp = codecs.open(filepath, 'w', encoding='utf-8')
+ try:
+ self.write_file(fp, skip_unknown)
+ finally:
+ fp.close()
+
+ def write_file(self, fileobject, skip_unknown=False):
+ """Write the PKG-INFO format data to a file object."""
+ self.set_metadata_version()
+
+ for field in _version2fieldlist(self['Metadata-Version']):
+ values = self.get(field)
+ if skip_unknown and values in ('UNKNOWN', [], ['UNKNOWN']):
+ continue
+ if field in _ELEMENTSFIELD:
+ self._write_field(fileobject, field, ','.join(values))
+ continue
+ if field not in _LISTFIELDS:
+ if field == 'Description':
+ if self.metadata_version in ('1.0', '1.1'):
+ values = values.replace('\n', '\n ')
+ else:
+ values = values.replace('\n', '\n |')
+ values = [values]
+
+ if field in _LISTTUPLEFIELDS:
+ values = [','.join(value) for value in values]
+
+ for value in values:
+ self._write_field(fileobject, field, value)
+
+ def update(self, other=None, **kwargs):
+ """Set metadata values from the given iterable `other` and kwargs.
+
+ Behavior is like `dict.update`: If `other` has a ``keys`` method,
+ they are looped over and ``self[key]`` is assigned ``other[key]``.
+ Else, ``other`` is an iterable of ``(key, value)`` iterables.
+
+ Keys that don't match a metadata field or that have an empty value are
+ dropped.
+ """
+ def _set(key, value):
+ if key in _ATTR2FIELD and value:
+ self.set(self._convert_name(key), value)
+
+ if not other:
+ # other is None or empty container
+ pass
+ elif hasattr(other, 'keys'):
+ for k in other.keys():
+ _set(k, other[k])
+ else:
+ for k, v in other:
+ _set(k, v)
+
+ if kwargs:
+ for k, v in kwargs.items():
+ _set(k, v)
+
+ def set(self, name, value):
+ """Control then set a metadata field."""
+ name = self._convert_name(name)
+
+ if ((name in _ELEMENTSFIELD or name == 'Platform') and
+ not isinstance(value, (list, tuple))):
+ if isinstance(value, string_types):
+ value = [v.strip() for v in value.split(',')]
+ else:
+ value = []
+ elif (name in _LISTFIELDS and
+ not isinstance(value, (list, tuple))):
+ if isinstance(value, string_types):
+ value = [value]
+ else:
+ value = []
+
+ if logger.isEnabledFor(logging.WARNING):
+ project_name = self['Name']
+
+ scheme = get_scheme(self.scheme)
+ if name in _PREDICATE_FIELDS and value is not None:
+ for v in value:
+ # check that the values are valid
+ if not scheme.is_valid_matcher(v.split(';')[0]):
+ logger.warning(
+ "'%s': '%s' is not valid (field '%s')",
+ project_name, v, name)
+ # FIXME this rejects UNKNOWN, is that right?
+ elif name in _VERSIONS_FIELDS and value is not None:
+ if not scheme.is_valid_constraint_list(value):
+ logger.warning("'%s': '%s' is not a valid version (field '%s')",
+ project_name, value, name)
+ elif name in _VERSION_FIELDS and value is not None:
+ if not scheme.is_valid_version(value):
+ logger.warning("'%s': '%s' is not a valid version (field '%s')",
+ project_name, value, name)
+
+ if name in _UNICODEFIELDS:
+ if name == 'Description':
+ value = self._remove_line_prefix(value)
+
+ self._fields[name] = value
+
+ def get(self, name, default=_MISSING):
+ """Get a metadata field."""
+ name = self._convert_name(name)
+ if name not in self._fields:
+ if default is _MISSING:
+ default = self._default_value(name)
+ return default
+ if name in _UNICODEFIELDS:
+ value = self._fields[name]
+ return value
+ elif name in _LISTFIELDS:
+ value = self._fields[name]
+ if value is None:
+ return []
+ res = []
+ for val in value:
+ if name not in _LISTTUPLEFIELDS:
+ res.append(val)
+ else:
+ # That's for Project-URL
+ res.append((val[0], val[1]))
+ return res
+
+ elif name in _ELEMENTSFIELD:
+ value = self._fields[name]
+ if isinstance(value, string_types):
+ return value.split(',')
+ return self._fields[name]
+
+ def check(self, strict=False):
+ """Check if the metadata is compliant. If strict is True then raise if
+ no Name or Version are provided"""
+ self.set_metadata_version()
+
+ # XXX should check the versions (if the file was loaded)
+ missing, warnings = [], []
+
+ for attr in ('Name', 'Version'): # required by PEP 345
+ if attr not in self:
+ missing.append(attr)
+
+ if strict and missing != []:
+ msg = 'missing required metadata: %s' % ', '.join(missing)
+ raise MetadataMissingError(msg)
+
+ for attr in ('Home-page', 'Author'):
+ if attr not in self:
+ missing.append(attr)
+
+ # checking metadata 1.2 (XXX needs to check 1.1, 1.0)
+ if self['Metadata-Version'] != '1.2':
+ return missing, warnings
+
+ scheme = get_scheme(self.scheme)
+
+ def are_valid_constraints(value):
+ for v in value:
+ if not scheme.is_valid_matcher(v.split(';')[0]):
+ return False
+ return True
+
+ for fields, controller in ((_PREDICATE_FIELDS, are_valid_constraints),
+ (_VERSIONS_FIELDS,
+ scheme.is_valid_constraint_list),
+ (_VERSION_FIELDS,
+ scheme.is_valid_version)):
+ for field in fields:
+ value = self.get(field, None)
+ if value is not None and not controller(value):
+ warnings.append("Wrong value for '%s': %s" % (field, value))
+
+ return missing, warnings
+
+ def todict(self, skip_missing=False):
+ """Return fields as a dict.
+
+ Field names will be converted to use the underscore-lowercase style
+ instead of hyphen-mixed case (i.e. home_page instead of Home-page).
+ This is as per https://www.python.org/dev/peps/pep-0566/#id17.
+ """
+ self.set_metadata_version()
+
+ fields = _version2fieldlist(self['Metadata-Version'])
+
+ data = {}
+
+ for field_name in fields:
+ if not skip_missing or field_name in self._fields:
+ key = _FIELD2ATTR[field_name]
+ if key != 'project_url':
+ data[key] = self[field_name]
+ else:
+ data[key] = [','.join(u) for u in self[field_name]]
+
+ return data
+
+ def add_requirements(self, requirements):
+ if self['Metadata-Version'] == '1.1':
+ # we can't have 1.1 metadata *and* Setuptools requires
+ for field in ('Obsoletes', 'Requires', 'Provides'):
+ if field in self:
+ del self[field]
+ self['Requires-Dist'] += requirements
+
+ # Mapping API
+ # TODO could add iter* variants
+
+ def keys(self):
+ return list(_version2fieldlist(self['Metadata-Version']))
+
+ def __iter__(self):
+ for key in self.keys():
+ yield key
+
+ def values(self):
+ return [self[key] for key in self.keys()]
+
+ def items(self):
+ return [(key, self[key]) for key in self.keys()]
+
+ def __repr__(self):
+ return '<%s %s %s>' % (self.__class__.__name__, self.name,
+ self.version)
+
+
+METADATA_FILENAME = 'pydist.json'
+WHEEL_METADATA_FILENAME = 'metadata.json'
+LEGACY_METADATA_FILENAME = 'METADATA'
+
+
+class Metadata(object):
+ """
+ The metadata of a release. This implementation uses 2.0 (JSON)
+ metadata where possible. If not possible, it wraps a LegacyMetadata
+ instance which handles the key-value metadata format.
+ """
+
+ METADATA_VERSION_MATCHER = re.compile(r'^\d+(\.\d+)*$')
+
+ NAME_MATCHER = re.compile('^[0-9A-Z]([0-9A-Z_.-]*[0-9A-Z])?$', re.I)
+
+ VERSION_MATCHER = PEP440_VERSION_RE
+
+ SUMMARY_MATCHER = re.compile('.{1,2047}')
+
+ METADATA_VERSION = '2.0'
+
+ GENERATOR = 'distlib (%s)' % __version__
+
+ MANDATORY_KEYS = {
+ 'name': (),
+ 'version': (),
+ 'summary': ('legacy',),
+ }
+
+ INDEX_KEYS = ('name version license summary description author '
+ 'author_email keywords platform home_page classifiers '
+ 'download_url')
+
+ DEPENDENCY_KEYS = ('extras run_requires test_requires build_requires '
+ 'dev_requires provides meta_requires obsoleted_by '
+ 'supports_environments')
+
+ SYNTAX_VALIDATORS = {
+ 'metadata_version': (METADATA_VERSION_MATCHER, ()),
+ 'name': (NAME_MATCHER, ('legacy',)),
+ 'version': (VERSION_MATCHER, ('legacy',)),
+ 'summary': (SUMMARY_MATCHER, ('legacy',)),
+ }
+
+ __slots__ = ('_legacy', '_data', 'scheme')
+
+ def __init__(self, path=None, fileobj=None, mapping=None,
+ scheme='default'):
+ if [path, fileobj, mapping].count(None) < 2:
+ raise TypeError('path, fileobj and mapping are exclusive')
+ self._legacy = None
+ self._data = None
+ self.scheme = scheme
+ #import pdb; pdb.set_trace()
+ if mapping is not None:
+ try:
+ self._validate_mapping(mapping, scheme)
+ self._data = mapping
+ except MetadataUnrecognizedVersionError:
+ self._legacy = LegacyMetadata(mapping=mapping, scheme=scheme)
+ self.validate()
+ else:
+ data = None
+ if path:
+ with open(path, 'rb') as f:
+ data = f.read()
+ elif fileobj:
+ data = fileobj.read()
+ if data is None:
+ # Initialised with no args - to be added
+ self._data = {
+ 'metadata_version': self.METADATA_VERSION,
+ 'generator': self.GENERATOR,
+ }
+ else:
+ if not isinstance(data, text_type):
+ data = data.decode('utf-8')
+ try:
+ self._data = json.loads(data)
+ self._validate_mapping(self._data, scheme)
+ except ValueError:
+ # Note: MetadataUnrecognizedVersionError does not
+ # inherit from ValueError (it's a DistlibException,
+ # which should not inherit from ValueError).
+ # The ValueError comes from the json.load - if that
+ # succeeds and we get a validation error, we want
+ # that to propagate
+ self._legacy = LegacyMetadata(fileobj=StringIO(data),
+ scheme=scheme)
+ self.validate()
+
+ common_keys = set(('name', 'version', 'license', 'keywords', 'summary'))
+
+ none_list = (None, list)
+ none_dict = (None, dict)
+
+ mapped_keys = {
+ 'run_requires': ('Requires-Dist', list),
+ 'build_requires': ('Setup-Requires-Dist', list),
+ 'dev_requires': none_list,
+ 'test_requires': none_list,
+ 'meta_requires': none_list,
+ 'extras': ('Provides-Extra', list),
+ 'modules': none_list,
+ 'namespaces': none_list,
+ 'exports': none_dict,
+ 'commands': none_dict,
+ 'classifiers': ('Classifier', list),
+ 'source_url': ('Download-URL', None),
+ 'metadata_version': ('Metadata-Version', None),
+ }
+
+ del none_list, none_dict
+
+ def __getattribute__(self, key):
+ common = object.__getattribute__(self, 'common_keys')
+ mapped = object.__getattribute__(self, 'mapped_keys')
+ if key in mapped:
+ lk, maker = mapped[key]
+ if self._legacy:
+ if lk is None:
+ result = None if maker is None else maker()
+ else:
+ result = self._legacy.get(lk)
+ else:
+ value = None if maker is None else maker()
+ if key not in ('commands', 'exports', 'modules', 'namespaces',
+ 'classifiers'):
+ result = self._data.get(key, value)
+ else:
+ # special cases for PEP 459
+ sentinel = object()
+ result = sentinel
+ d = self._data.get('extensions')
+ if d:
+ if key == 'commands':
+ result = d.get('python.commands', value)
+ elif key == 'classifiers':
+ d = d.get('python.details')
+ if d:
+ result = d.get(key, value)
+ else:
+ d = d.get('python.exports')
+ if not d:
+ d = self._data.get('python.exports')
+ if d:
+ result = d.get(key, value)
+ if result is sentinel:
+ result = value
+ elif key not in common:
+ result = object.__getattribute__(self, key)
+ elif self._legacy:
+ result = self._legacy.get(key)
+ else:
+ result = self._data.get(key)
+ return result
+
+ def _validate_value(self, key, value, scheme=None):
+ if key in self.SYNTAX_VALIDATORS:
+ pattern, exclusions = self.SYNTAX_VALIDATORS[key]
+ if (scheme or self.scheme) not in exclusions:
+ m = pattern.match(value)
+ if not m:
+ raise MetadataInvalidError("'%s' is an invalid value for "
+ "the '%s' property" % (value,
+ key))
+
+ def __setattr__(self, key, value):
+ self._validate_value(key, value)
+ common = object.__getattribute__(self, 'common_keys')
+ mapped = object.__getattribute__(self, 'mapped_keys')
+ if key in mapped:
+ lk, _ = mapped[key]
+ if self._legacy:
+ if lk is None:
+ raise NotImplementedError
+ self._legacy[lk] = value
+ elif key not in ('commands', 'exports', 'modules', 'namespaces',
+ 'classifiers'):
+ self._data[key] = value
+ else:
+ # special cases for PEP 459
+ d = self._data.setdefault('extensions', {})
+ if key == 'commands':
+ d['python.commands'] = value
+ elif key == 'classifiers':
+ d = d.setdefault('python.details', {})
+ d[key] = value
+ else:
+ d = d.setdefault('python.exports', {})
+ d[key] = value
+ elif key not in common:
+ object.__setattr__(self, key, value)
+ else:
+ if key == 'keywords':
+ if isinstance(value, string_types):
+ value = value.strip()
+ if value:
+ value = value.split()
+ else:
+ value = []
+ if self._legacy:
+ self._legacy[key] = value
+ else:
+ self._data[key] = value
+
+ @property
+ def name_and_version(self):
+ return _get_name_and_version(self.name, self.version, True)
+
+ @property
+ def provides(self):
+ if self._legacy:
+ result = self._legacy['Provides-Dist']
+ else:
+ result = self._data.setdefault('provides', [])
+ s = '%s (%s)' % (self.name, self.version)
+ if s not in result:
+ result.append(s)
+ return result
+
+ @provides.setter
+ def provides(self, value):
+ if self._legacy:
+ self._legacy['Provides-Dist'] = value
+ else:
+ self._data['provides'] = value
+
+ def get_requirements(self, reqts, extras=None, env=None):
+ """
+ Base method to get dependencies, given a set of extras
+ to satisfy and an optional environment context.
+ :param reqts: A list of sometimes-wanted dependencies,
+ perhaps dependent on extras and environment.
+ :param extras: A list of optional components being requested.
+ :param env: An optional environment for marker evaluation.
+ """
+ if self._legacy:
+ result = reqts
+ else:
+ result = []
+ extras = get_extras(extras or [], self.extras)
+ for d in reqts:
+ if 'extra' not in d and 'environment' not in d:
+ # unconditional
+ include = True
+ else:
+ if 'extra' not in d:
+ # Not extra-dependent - only environment-dependent
+ include = True
+ else:
+ include = d.get('extra') in extras
+ if include:
+ # Not excluded because of extras, check environment
+ marker = d.get('environment')
+ if marker:
+ include = interpret(marker, env)
+ if include:
+ result.extend(d['requires'])
+ for key in ('build', 'dev', 'test'):
+ e = ':%s:' % key
+ if e in extras:
+ extras.remove(e)
+ # A recursive call, but it should terminate since 'test'
+ # has been removed from the extras
+ reqts = self._data.get('%s_requires' % key, [])
+ result.extend(self.get_requirements(reqts, extras=extras,
+ env=env))
+ return result
+
+ @property
+ def dictionary(self):
+ if self._legacy:
+ return self._from_legacy()
+ return self._data
+
+ @property
+ def dependencies(self):
+ if self._legacy:
+ raise NotImplementedError
+ else:
+ return extract_by_key(self._data, self.DEPENDENCY_KEYS)
+
+ @dependencies.setter
+ def dependencies(self, value):
+ if self._legacy:
+ raise NotImplementedError
+ else:
+ self._data.update(value)
+
+ def _validate_mapping(self, mapping, scheme):
+ if mapping.get('metadata_version') != self.METADATA_VERSION:
+ raise MetadataUnrecognizedVersionError()
+ missing = []
+ for key, exclusions in self.MANDATORY_KEYS.items():
+ if key not in mapping:
+ if scheme not in exclusions:
+ missing.append(key)
+ if missing:
+ msg = 'Missing metadata items: %s' % ', '.join(missing)
+ raise MetadataMissingError(msg)
+ for k, v in mapping.items():
+ self._validate_value(k, v, scheme)
+
+ def validate(self):
+ if self._legacy:
+ missing, warnings = self._legacy.check(True)
+ if missing or warnings:
+ logger.warning('Metadata: missing: %s, warnings: %s',
+ missing, warnings)
+ else:
+ self._validate_mapping(self._data, self.scheme)
+
+ def todict(self):
+ if self._legacy:
+ return self._legacy.todict(True)
+ else:
+ result = extract_by_key(self._data, self.INDEX_KEYS)
+ return result
+
+ def _from_legacy(self):
+ assert self._legacy and not self._data
+ result = {
+ 'metadata_version': self.METADATA_VERSION,
+ 'generator': self.GENERATOR,
+ }
+ lmd = self._legacy.todict(True) # skip missing ones
+ for k in ('name', 'version', 'license', 'summary', 'description',
+ 'classifier'):
+ if k in lmd:
+ if k == 'classifier':
+ nk = 'classifiers'
+ else:
+ nk = k
+ result[nk] = lmd[k]
+ kw = lmd.get('Keywords', [])
+ if kw == ['']:
+ kw = []
+ result['keywords'] = kw
+ keys = (('requires_dist', 'run_requires'),
+ ('setup_requires_dist', 'build_requires'))
+ for ok, nk in keys:
+ if ok in lmd and lmd[ok]:
+ result[nk] = [{'requires': lmd[ok]}]
+ result['provides'] = self.provides
+ author = {}
+ maintainer = {}
+ return result
+
+ LEGACY_MAPPING = {
+ 'name': 'Name',
+ 'version': 'Version',
+ ('extensions', 'python.details', 'license'): 'License',
+ 'summary': 'Summary',
+ 'description': 'Description',
+ ('extensions', 'python.project', 'project_urls', 'Home'): 'Home-page',
+ ('extensions', 'python.project', 'contacts', 0, 'name'): 'Author',
+ ('extensions', 'python.project', 'contacts', 0, 'email'): 'Author-email',
+ 'source_url': 'Download-URL',
+ ('extensions', 'python.details', 'classifiers'): 'Classifier',
+ }
+
+ def _to_legacy(self):
+ def process_entries(entries):
+ reqts = set()
+ for e in entries:
+ extra = e.get('extra')
+ env = e.get('environment')
+ rlist = e['requires']
+ for r in rlist:
+ if not env and not extra:
+ reqts.add(r)
+ else:
+ marker = ''
+ if extra:
+ marker = 'extra == "%s"' % extra
+ if env:
+ if marker:
+ marker = '(%s) and %s' % (env, marker)
+ else:
+ marker = env
+ reqts.add(';'.join((r, marker)))
+ return reqts
+
+ assert self._data and not self._legacy
+ result = LegacyMetadata()
+ nmd = self._data
+ # import pdb; pdb.set_trace()
+ for nk, ok in self.LEGACY_MAPPING.items():
+ if not isinstance(nk, tuple):
+ if nk in nmd:
+ result[ok] = nmd[nk]
+ else:
+ d = nmd
+ found = True
+ for k in nk:
+ try:
+ d = d[k]
+ except (KeyError, IndexError):
+ found = False
+ break
+ if found:
+ result[ok] = d
+ r1 = process_entries(self.run_requires + self.meta_requires)
+ r2 = process_entries(self.build_requires + self.dev_requires)
+ if self.extras:
+ result['Provides-Extra'] = sorted(self.extras)
+ result['Requires-Dist'] = sorted(r1)
+ result['Setup-Requires-Dist'] = sorted(r2)
+ # TODO: any other fields wanted
+ return result
+
+ def write(self, path=None, fileobj=None, legacy=False, skip_unknown=True):
+ if [path, fileobj].count(None) != 1:
+ raise ValueError('Exactly one of path and fileobj is needed')
+ self.validate()
+ if legacy:
+ if self._legacy:
+ legacy_md = self._legacy
+ else:
+ legacy_md = self._to_legacy()
+ if path:
+ legacy_md.write(path, skip_unknown=skip_unknown)
+ else:
+ legacy_md.write_file(fileobj, skip_unknown=skip_unknown)
+ else:
+ if self._legacy:
+ d = self._from_legacy()
+ else:
+ d = self._data
+ if fileobj:
+ json.dump(d, fileobj, ensure_ascii=True, indent=2,
+ sort_keys=True)
+ else:
+ with codecs.open(path, 'w', 'utf-8') as f:
+ json.dump(d, f, ensure_ascii=True, indent=2,
+ sort_keys=True)
+
+ def add_requirements(self, requirements):
+ if self._legacy:
+ self._legacy.add_requirements(requirements)
+ else:
+ run_requires = self._data.setdefault('run_requires', [])
+ always = None
+ for entry in run_requires:
+ if 'environment' not in entry and 'extra' not in entry:
+ always = entry
+ break
+ if always is None:
+ always = { 'requires': requirements }
+ run_requires.insert(0, always)
+ else:
+ rset = set(always['requires']) | set(requirements)
+ always['requires'] = sorted(rset)
+
+ def __repr__(self):
+ name = self.name or '(no name)'
+ version = self.version or 'no version'
+ return '<%s %s %s (%s)>' % (self.__class__.__name__,
+ self.metadata_version, name, version)
diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/resources.py b/Scripts/Lib/site-packages/pip/_vendor/distlib/resources.py
new file mode 100644
index 0000000..fef52aa
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/distlib/resources.py
@@ -0,0 +1,358 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2013-2017 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+from __future__ import unicode_literals
+
+import bisect
+import io
+import logging
+import os
+import pkgutil
+import sys
+import types
+import zipimport
+
+from . import DistlibException
+from .util import cached_property, get_cache_base, Cache
+
+logger = logging.getLogger(__name__)
+
+
+cache = None # created when needed
+
+
+class ResourceCache(Cache):
+ def __init__(self, base=None):
+ if base is None:
+ # Use native string to avoid issues on 2.x: see Python #20140.
+ base = os.path.join(get_cache_base(), str('resource-cache'))
+ super(ResourceCache, self).__init__(base)
+
+ def is_stale(self, resource, path):
+ """
+ Is the cache stale for the given resource?
+
+ :param resource: The :class:`Resource` being cached.
+ :param path: The path of the resource in the cache.
+ :return: True if the cache is stale.
+ """
+ # Cache invalidation is a hard problem :-)
+ return True
+
+ def get(self, resource):
+ """
+ Get a resource into the cache,
+
+ :param resource: A :class:`Resource` instance.
+ :return: The pathname of the resource in the cache.
+ """
+ prefix, path = resource.finder.get_cache_info(resource)
+ if prefix is None:
+ result = path
+ else:
+ result = os.path.join(self.base, self.prefix_to_dir(prefix), path)
+ dirname = os.path.dirname(result)
+ if not os.path.isdir(dirname):
+ os.makedirs(dirname)
+ if not os.path.exists(result):
+ stale = True
+ else:
+ stale = self.is_stale(resource, path)
+ if stale:
+ # write the bytes of the resource to the cache location
+ with open(result, 'wb') as f:
+ f.write(resource.bytes)
+ return result
+
+
+class ResourceBase(object):
+ def __init__(self, finder, name):
+ self.finder = finder
+ self.name = name
+
+
+class Resource(ResourceBase):
+ """
+ A class representing an in-package resource, such as a data file. This is
+ not normally instantiated by user code, but rather by a
+ :class:`ResourceFinder` which manages the resource.
+ """
+ is_container = False # Backwards compatibility
+
+ def as_stream(self):
+ """
+ Get the resource as a stream.
+
+ This is not a property to make it obvious that it returns a new stream
+ each time.
+ """
+ return self.finder.get_stream(self)
+
+ @cached_property
+ def file_path(self):
+ global cache
+ if cache is None:
+ cache = ResourceCache()
+ return cache.get(self)
+
+ @cached_property
+ def bytes(self):
+ return self.finder.get_bytes(self)
+
+ @cached_property
+ def size(self):
+ return self.finder.get_size(self)
+
+
+class ResourceContainer(ResourceBase):
+ is_container = True # Backwards compatibility
+
+ @cached_property
+ def resources(self):
+ return self.finder.get_resources(self)
+
+
+class ResourceFinder(object):
+ """
+ Resource finder for file system resources.
+ """
+
+ if sys.platform.startswith('java'):
+ skipped_extensions = ('.pyc', '.pyo', '.class')
+ else:
+ skipped_extensions = ('.pyc', '.pyo')
+
+ def __init__(self, module):
+ self.module = module
+ self.loader = getattr(module, '__loader__', None)
+ self.base = os.path.dirname(getattr(module, '__file__', ''))
+
+ def _adjust_path(self, path):
+ return os.path.realpath(path)
+
+ def _make_path(self, resource_name):
+ # Issue #50: need to preserve type of path on Python 2.x
+ # like os.path._get_sep
+ if isinstance(resource_name, bytes): # should only happen on 2.x
+ sep = b'/'
+ else:
+ sep = '/'
+ parts = resource_name.split(sep)
+ parts.insert(0, self.base)
+ result = os.path.join(*parts)
+ return self._adjust_path(result)
+
+ def _find(self, path):
+ return os.path.exists(path)
+
+ def get_cache_info(self, resource):
+ return None, resource.path
+
+ def find(self, resource_name):
+ path = self._make_path(resource_name)
+ if not self._find(path):
+ result = None
+ else:
+ if self._is_directory(path):
+ result = ResourceContainer(self, resource_name)
+ else:
+ result = Resource(self, resource_name)
+ result.path = path
+ return result
+
+ def get_stream(self, resource):
+ return open(resource.path, 'rb')
+
+ def get_bytes(self, resource):
+ with open(resource.path, 'rb') as f:
+ return f.read()
+
+ def get_size(self, resource):
+ return os.path.getsize(resource.path)
+
+ def get_resources(self, resource):
+ def allowed(f):
+ return (f != '__pycache__' and not
+ f.endswith(self.skipped_extensions))
+ return set([f for f in os.listdir(resource.path) if allowed(f)])
+
+ def is_container(self, resource):
+ return self._is_directory(resource.path)
+
+ _is_directory = staticmethod(os.path.isdir)
+
+ def iterator(self, resource_name):
+ resource = self.find(resource_name)
+ if resource is not None:
+ todo = [resource]
+ while todo:
+ resource = todo.pop(0)
+ yield resource
+ if resource.is_container:
+ rname = resource.name
+ for name in resource.resources:
+ if not rname:
+ new_name = name
+ else:
+ new_name = '/'.join([rname, name])
+ child = self.find(new_name)
+ if child.is_container:
+ todo.append(child)
+ else:
+ yield child
+
+
+class ZipResourceFinder(ResourceFinder):
+ """
+ Resource finder for resources in .zip files.
+ """
+ def __init__(self, module):
+ super(ZipResourceFinder, self).__init__(module)
+ archive = self.loader.archive
+ self.prefix_len = 1 + len(archive)
+ # PyPy doesn't have a _files attr on zipimporter, and you can't set one
+ if hasattr(self.loader, '_files'):
+ self._files = self.loader._files
+ else:
+ self._files = zipimport._zip_directory_cache[archive]
+ self.index = sorted(self._files)
+
+ def _adjust_path(self, path):
+ return path
+
+ def _find(self, path):
+ path = path[self.prefix_len:]
+ if path in self._files:
+ result = True
+ else:
+ if path and path[-1] != os.sep:
+ path = path + os.sep
+ i = bisect.bisect(self.index, path)
+ try:
+ result = self.index[i].startswith(path)
+ except IndexError:
+ result = False
+ if not result:
+ logger.debug('_find failed: %r %r', path, self.loader.prefix)
+ else:
+ logger.debug('_find worked: %r %r', path, self.loader.prefix)
+ return result
+
+ def get_cache_info(self, resource):
+ prefix = self.loader.archive
+ path = resource.path[1 + len(prefix):]
+ return prefix, path
+
+ def get_bytes(self, resource):
+ return self.loader.get_data(resource.path)
+
+ def get_stream(self, resource):
+ return io.BytesIO(self.get_bytes(resource))
+
+ def get_size(self, resource):
+ path = resource.path[self.prefix_len:]
+ return self._files[path][3]
+
+ def get_resources(self, resource):
+ path = resource.path[self.prefix_len:]
+ if path and path[-1] != os.sep:
+ path += os.sep
+ plen = len(path)
+ result = set()
+ i = bisect.bisect(self.index, path)
+ while i < len(self.index):
+ if not self.index[i].startswith(path):
+ break
+ s = self.index[i][plen:]
+ result.add(s.split(os.sep, 1)[0]) # only immediate children
+ i += 1
+ return result
+
+ def _is_directory(self, path):
+ path = path[self.prefix_len:]
+ if path and path[-1] != os.sep:
+ path += os.sep
+ i = bisect.bisect(self.index, path)
+ try:
+ result = self.index[i].startswith(path)
+ except IndexError:
+ result = False
+ return result
+
+
+_finder_registry = {
+ type(None): ResourceFinder,
+ zipimport.zipimporter: ZipResourceFinder
+}
+
+try:
+ # In Python 3.6, _frozen_importlib -> _frozen_importlib_external
+ try:
+ import _frozen_importlib_external as _fi
+ except ImportError:
+ import _frozen_importlib as _fi
+ _finder_registry[_fi.SourceFileLoader] = ResourceFinder
+ _finder_registry[_fi.FileFinder] = ResourceFinder
+ # See issue #146
+ _finder_registry[_fi.SourcelessFileLoader] = ResourceFinder
+ del _fi
+except (ImportError, AttributeError):
+ pass
+
+
+def register_finder(loader, finder_maker):
+ _finder_registry[type(loader)] = finder_maker
+
+
+_finder_cache = {}
+
+
+def finder(package):
+ """
+ Return a resource finder for a package.
+ :param package: The name of the package.
+ :return: A :class:`ResourceFinder` instance for the package.
+ """
+ if package in _finder_cache:
+ result = _finder_cache[package]
+ else:
+ if package not in sys.modules:
+ __import__(package)
+ module = sys.modules[package]
+ path = getattr(module, '__path__', None)
+ if path is None:
+ raise DistlibException('You cannot get a finder for a module, '
+ 'only for a package')
+ loader = getattr(module, '__loader__', None)
+ finder_maker = _finder_registry.get(type(loader))
+ if finder_maker is None:
+ raise DistlibException('Unable to locate finder for %r' % package)
+ result = finder_maker(module)
+ _finder_cache[package] = result
+ return result
+
+
+_dummy_module = types.ModuleType(str('__dummy__'))
+
+
+def finder_for_path(path):
+ """
+ Return a resource finder for a path, which should represent a container.
+
+ :param path: The path.
+ :return: A :class:`ResourceFinder` instance for the path.
+ """
+ result = None
+ # calls any path hooks, gets importer into cache
+ pkgutil.get_importer(path)
+ loader = sys.path_importer_cache.get(path)
+ finder = _finder_registry.get(type(loader))
+ if finder:
+ module = _dummy_module
+ module.__file__ = os.path.join(path, '')
+ module.__loader__ = loader
+ result = finder(module)
+ return result
diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/scripts.py b/Scripts/Lib/site-packages/pip/_vendor/distlib/scripts.py
new file mode 100644
index 0000000..1ac01dd
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/distlib/scripts.py
@@ -0,0 +1,423 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2013-2015 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+from io import BytesIO
+import logging
+import os
+import re
+import struct
+import sys
+
+from .compat import sysconfig, detect_encoding, ZipFile
+from .resources import finder
+from .util import (FileOperator, get_export_entry, convert_path,
+ get_executable, in_venv)
+
+logger = logging.getLogger(__name__)
+
+_DEFAULT_MANIFEST = '''
+
+
+
+
+
+
+
+
+ '''.strip()
+
+# check if Python is called on the first line with this expression
+FIRST_LINE_RE = re.compile(b'^#!.*pythonw?[0-9.]*([ \t].*)?$')
+SCRIPT_TEMPLATE = r'''# -*- coding: utf-8 -*-
+import re
+import sys
+from %(module)s import %(import_name)s
+if __name__ == '__main__':
+ sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+ sys.exit(%(func)s())
+'''
+
+
+def enquote_executable(executable):
+ if ' ' in executable:
+ # make sure we quote only the executable in case of env
+ # for example /usr/bin/env "/dir with spaces/bin/jython"
+ # instead of "/usr/bin/env /dir with spaces/bin/jython"
+ # otherwise whole
+ if executable.startswith('/usr/bin/env '):
+ env, _executable = executable.split(' ', 1)
+ if ' ' in _executable and not _executable.startswith('"'):
+ executable = '%s "%s"' % (env, _executable)
+ else:
+ if not executable.startswith('"'):
+ executable = '"%s"' % executable
+ return executable
+
+# Keep the old name around (for now), as there is at least one project using it!
+_enquote_executable = enquote_executable
+
+class ScriptMaker(object):
+ """
+ A class to copy or create scripts from source scripts or callable
+ specifications.
+ """
+ script_template = SCRIPT_TEMPLATE
+
+ executable = None # for shebangs
+
+ def __init__(self, source_dir, target_dir, add_launchers=True,
+ dry_run=False, fileop=None):
+ self.source_dir = source_dir
+ self.target_dir = target_dir
+ self.add_launchers = add_launchers
+ self.force = False
+ self.clobber = False
+ # It only makes sense to set mode bits on POSIX.
+ self.set_mode = (os.name == 'posix') or (os.name == 'java' and
+ os._name == 'posix')
+ self.variants = set(('', 'X.Y'))
+ self._fileop = fileop or FileOperator(dry_run)
+
+ self._is_nt = os.name == 'nt' or (
+ os.name == 'java' and os._name == 'nt')
+ self.version_info = sys.version_info
+
+ def _get_alternate_executable(self, executable, options):
+ if options.get('gui', False) and self._is_nt: # pragma: no cover
+ dn, fn = os.path.split(executable)
+ fn = fn.replace('python', 'pythonw')
+ executable = os.path.join(dn, fn)
+ return executable
+
+ if sys.platform.startswith('java'): # pragma: no cover
+ def _is_shell(self, executable):
+ """
+ Determine if the specified executable is a script
+ (contains a #! line)
+ """
+ try:
+ with open(executable) as fp:
+ return fp.read(2) == '#!'
+ except (OSError, IOError):
+ logger.warning('Failed to open %s', executable)
+ return False
+
+ def _fix_jython_executable(self, executable):
+ if self._is_shell(executable):
+ # Workaround for Jython is not needed on Linux systems.
+ import java
+
+ if java.lang.System.getProperty('os.name') == 'Linux':
+ return executable
+ elif executable.lower().endswith('jython.exe'):
+ # Use wrapper exe for Jython on Windows
+ return executable
+ return '/usr/bin/env %s' % executable
+
+ def _build_shebang(self, executable, post_interp):
+ """
+ Build a shebang line. In the simple case (on Windows, or a shebang line
+ which is not too long or contains spaces) use a simple formulation for
+ the shebang. Otherwise, use /bin/sh as the executable, with a contrived
+ shebang which allows the script to run either under Python or sh, using
+ suitable quoting. Thanks to Harald Nordgren for his input.
+
+ See also: http://www.in-ulm.de/~mascheck/various/shebang/#length
+ https://hg.mozilla.org/mozilla-central/file/tip/mach
+ """
+ if os.name != 'posix':
+ simple_shebang = True
+ else:
+ # Add 3 for '#!' prefix and newline suffix.
+ shebang_length = len(executable) + len(post_interp) + 3
+ if sys.platform == 'darwin':
+ max_shebang_length = 512
+ else:
+ max_shebang_length = 127
+ simple_shebang = ((b' ' not in executable) and
+ (shebang_length <= max_shebang_length))
+
+ if simple_shebang:
+ result = b'#!' + executable + post_interp + b'\n'
+ else:
+ result = b'#!/bin/sh\n'
+ result += b"'''exec' " + executable + post_interp + b' "$0" "$@"\n'
+ result += b"' '''"
+ return result
+
+ def _get_shebang(self, encoding, post_interp=b'', options=None):
+ enquote = True
+ if self.executable:
+ executable = self.executable
+ enquote = False # assume this will be taken care of
+ elif not sysconfig.is_python_build():
+ executable = get_executable()
+ elif in_venv(): # pragma: no cover
+ executable = os.path.join(sysconfig.get_path('scripts'),
+ 'python%s' % sysconfig.get_config_var('EXE'))
+ else: # pragma: no cover
+ executable = os.path.join(
+ sysconfig.get_config_var('BINDIR'),
+ 'python%s%s' % (sysconfig.get_config_var('VERSION'),
+ sysconfig.get_config_var('EXE')))
+ if options:
+ executable = self._get_alternate_executable(executable, options)
+
+ if sys.platform.startswith('java'): # pragma: no cover
+ executable = self._fix_jython_executable(executable)
+
+ # Normalise case for Windows - COMMENTED OUT
+ # executable = os.path.normcase(executable)
+ # N.B. The normalising operation above has been commented out: See
+ # issue #124. Although paths in Windows are generally case-insensitive,
+ # they aren't always. For example, a path containing a ẞ (which is a
+ # LATIN CAPITAL LETTER SHARP S - U+1E9E) is normcased to ß (which is a
+ # LATIN SMALL LETTER SHARP S' - U+00DF). The two are not considered by
+ # Windows as equivalent in path names.
+
+ # If the user didn't specify an executable, it may be necessary to
+ # cater for executable paths with spaces (not uncommon on Windows)
+ if enquote:
+ executable = enquote_executable(executable)
+ # Issue #51: don't use fsencode, since we later try to
+ # check that the shebang is decodable using utf-8.
+ executable = executable.encode('utf-8')
+ # in case of IronPython, play safe and enable frames support
+ if (sys.platform == 'cli' and '-X:Frames' not in post_interp
+ and '-X:FullFrames' not in post_interp): # pragma: no cover
+ post_interp += b' -X:Frames'
+ shebang = self._build_shebang(executable, post_interp)
+ # Python parser starts to read a script using UTF-8 until
+ # it gets a #coding:xxx cookie. The shebang has to be the
+ # first line of a file, the #coding:xxx cookie cannot be
+ # written before. So the shebang has to be decodable from
+ # UTF-8.
+ try:
+ shebang.decode('utf-8')
+ except UnicodeDecodeError: # pragma: no cover
+ raise ValueError(
+ 'The shebang (%r) is not decodable from utf-8' % shebang)
+ # If the script is encoded to a custom encoding (use a
+ # #coding:xxx cookie), the shebang has to be decodable from
+ # the script encoding too.
+ if encoding != 'utf-8':
+ try:
+ shebang.decode(encoding)
+ except UnicodeDecodeError: # pragma: no cover
+ raise ValueError(
+ 'The shebang (%r) is not decodable '
+ 'from the script encoding (%r)' % (shebang, encoding))
+ return shebang
+
+ def _get_script_text(self, entry):
+ return self.script_template % dict(module=entry.prefix,
+ import_name=entry.suffix.split('.')[0],
+ func=entry.suffix)
+
+ manifest = _DEFAULT_MANIFEST
+
+ def get_manifest(self, exename):
+ base = os.path.basename(exename)
+ return self.manifest % base
+
+ def _write_script(self, names, shebang, script_bytes, filenames, ext):
+ use_launcher = self.add_launchers and self._is_nt
+ linesep = os.linesep.encode('utf-8')
+ if not shebang.endswith(linesep):
+ shebang += linesep
+ if not use_launcher:
+ script_bytes = shebang + script_bytes
+ else: # pragma: no cover
+ if ext == 'py':
+ launcher = self._get_launcher('t')
+ else:
+ launcher = self._get_launcher('w')
+ stream = BytesIO()
+ with ZipFile(stream, 'w') as zf:
+ zf.writestr('__main__.py', script_bytes)
+ zip_data = stream.getvalue()
+ script_bytes = launcher + shebang + zip_data
+ for name in names:
+ outname = os.path.join(self.target_dir, name)
+ if use_launcher: # pragma: no cover
+ n, e = os.path.splitext(outname)
+ if e.startswith('.py'):
+ outname = n
+ outname = '%s.exe' % outname
+ try:
+ self._fileop.write_binary_file(outname, script_bytes)
+ except Exception:
+ # Failed writing an executable - it might be in use.
+ logger.warning('Failed to write executable - trying to '
+ 'use .deleteme logic')
+ dfname = '%s.deleteme' % outname
+ if os.path.exists(dfname):
+ os.remove(dfname) # Not allowed to fail here
+ os.rename(outname, dfname) # nor here
+ self._fileop.write_binary_file(outname, script_bytes)
+ logger.debug('Able to replace executable using '
+ '.deleteme logic')
+ try:
+ os.remove(dfname)
+ except Exception:
+ pass # still in use - ignore error
+ else:
+ if self._is_nt and not outname.endswith('.' + ext): # pragma: no cover
+ outname = '%s.%s' % (outname, ext)
+ if os.path.exists(outname) and not self.clobber:
+ logger.warning('Skipping existing file %s', outname)
+ continue
+ self._fileop.write_binary_file(outname, script_bytes)
+ if self.set_mode:
+ self._fileop.set_executable_mode([outname])
+ filenames.append(outname)
+
+ variant_separator = '-'
+
+ def get_script_filenames(self, name):
+ result = set()
+ if '' in self.variants:
+ result.add(name)
+ if 'X' in self.variants:
+ result.add('%s%s' % (name, self.version_info[0]))
+ if 'X.Y' in self.variants:
+ result.add('%s%s%s.%s' % (name, self.variant_separator,
+ self.version_info[0], self.version_info[1]))
+ return result
+
+ def _make_script(self, entry, filenames, options=None):
+ post_interp = b''
+ if options:
+ args = options.get('interpreter_args', [])
+ if args:
+ args = ' %s' % ' '.join(args)
+ post_interp = args.encode('utf-8')
+ shebang = self._get_shebang('utf-8', post_interp, options=options)
+ script = self._get_script_text(entry).encode('utf-8')
+ scriptnames = self.get_script_filenames(entry.name)
+ if options and options.get('gui', False):
+ ext = 'pyw'
+ else:
+ ext = 'py'
+ self._write_script(scriptnames, shebang, script, filenames, ext)
+
+ def _copy_script(self, script, filenames):
+ adjust = False
+ script = os.path.join(self.source_dir, convert_path(script))
+ outname = os.path.join(self.target_dir, os.path.basename(script))
+ if not self.force and not self._fileop.newer(script, outname):
+ logger.debug('not copying %s (up-to-date)', script)
+ return
+
+ # Always open the file, but ignore failures in dry-run mode --
+ # that way, we'll get accurate feedback if we can read the
+ # script.
+ try:
+ f = open(script, 'rb')
+ except IOError: # pragma: no cover
+ if not self.dry_run:
+ raise
+ f = None
+ else:
+ first_line = f.readline()
+ if not first_line: # pragma: no cover
+ logger.warning('%s is an empty file (skipping)', script)
+ return
+
+ match = FIRST_LINE_RE.match(first_line.replace(b'\r\n', b'\n'))
+ if match:
+ adjust = True
+ post_interp = match.group(1) or b''
+
+ if not adjust:
+ if f:
+ f.close()
+ self._fileop.copy_file(script, outname)
+ if self.set_mode:
+ self._fileop.set_executable_mode([outname])
+ filenames.append(outname)
+ else:
+ logger.info('copying and adjusting %s -> %s', script,
+ self.target_dir)
+ if not self._fileop.dry_run:
+ encoding, lines = detect_encoding(f.readline)
+ f.seek(0)
+ shebang = self._get_shebang(encoding, post_interp)
+ if b'pythonw' in first_line: # pragma: no cover
+ ext = 'pyw'
+ else:
+ ext = 'py'
+ n = os.path.basename(outname)
+ self._write_script([n], shebang, f.read(), filenames, ext)
+ if f:
+ f.close()
+
+ @property
+ def dry_run(self):
+ return self._fileop.dry_run
+
+ @dry_run.setter
+ def dry_run(self, value):
+ self._fileop.dry_run = value
+
+ if os.name == 'nt' or (os.name == 'java' and os._name == 'nt'): # pragma: no cover
+ # Executable launcher support.
+ # Launchers are from https://bitbucket.org/vinay.sajip/simple_launcher/
+
+ def _get_launcher(self, kind):
+ if struct.calcsize('P') == 8: # 64-bit
+ bits = '64'
+ else:
+ bits = '32'
+ name = '%s%s.exe' % (kind, bits)
+ # Issue 31: don't hardcode an absolute package name, but
+ # determine it relative to the current package
+ distlib_package = __name__.rsplit('.', 1)[0]
+ resource = finder(distlib_package).find(name)
+ if not resource:
+ msg = ('Unable to find resource %s in package %s' % (name,
+ distlib_package))
+ raise ValueError(msg)
+ return resource.bytes
+
+ # Public API follows
+
+ def make(self, specification, options=None):
+ """
+ Make a script.
+
+ :param specification: The specification, which is either a valid export
+ entry specification (to make a script from a
+ callable) or a filename (to make a script by
+ copying from a source location).
+ :param options: A dictionary of options controlling script generation.
+ :return: A list of all absolute pathnames written to.
+ """
+ filenames = []
+ entry = get_export_entry(specification)
+ if entry is None:
+ self._copy_script(specification, filenames)
+ else:
+ self._make_script(entry, filenames, options=options)
+ return filenames
+
+ def make_multiple(self, specifications, options=None):
+ """
+ Take a list of specifications and make scripts from them,
+ :param specifications: A list of specifications.
+ :return: A list of all absolute pathnames written to,
+ """
+ filenames = []
+ for specification in specifications:
+ filenames.extend(self.make(specification, options))
+ return filenames
diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/t32.exe b/Scripts/Lib/site-packages/pip/_vendor/distlib/t32.exe
new file mode 100644
index 0000000..8932a18
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diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/t64.exe b/Scripts/Lib/site-packages/pip/_vendor/distlib/t64.exe
new file mode 100644
index 0000000..325b805
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diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/util.py b/Scripts/Lib/site-packages/pip/_vendor/distlib/util.py
new file mode 100644
index 0000000..b9e2c69
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/distlib/util.py
@@ -0,0 +1,1965 @@
+#
+# Copyright (C) 2012-2021 The Python Software Foundation.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+import codecs
+from collections import deque
+import contextlib
+import csv
+from glob import iglob as std_iglob
+import io
+import json
+import logging
+import os
+import py_compile
+import re
+import socket
+try:
+ import ssl
+except ImportError: # pragma: no cover
+ ssl = None
+import subprocess
+import sys
+import tarfile
+import tempfile
+import textwrap
+
+try:
+ import threading
+except ImportError: # pragma: no cover
+ import dummy_threading as threading
+import time
+
+from . import DistlibException
+from .compat import (string_types, text_type, shutil, raw_input, StringIO,
+ cache_from_source, urlopen, urljoin, httplib, xmlrpclib,
+ splittype, HTTPHandler, BaseConfigurator, valid_ident,
+ Container, configparser, URLError, ZipFile, fsdecode,
+ unquote, urlparse)
+
+logger = logging.getLogger(__name__)
+
+#
+# Requirement parsing code as per PEP 508
+#
+
+IDENTIFIER = re.compile(r'^([\w\.-]+)\s*')
+VERSION_IDENTIFIER = re.compile(r'^([\w\.*+-]+)\s*')
+COMPARE_OP = re.compile(r'^(<=?|>=?|={2,3}|[~!]=)\s*')
+MARKER_OP = re.compile(r'^((<=?)|(>=?)|={2,3}|[~!]=|in|not\s+in)\s*')
+OR = re.compile(r'^or\b\s*')
+AND = re.compile(r'^and\b\s*')
+NON_SPACE = re.compile(r'(\S+)\s*')
+STRING_CHUNK = re.compile(r'([\s\w\.{}()*+#:;,/?!~`@$%^&=|<>\[\]-]+)')
+
+
+def parse_marker(marker_string):
+ """
+ Parse a marker string and return a dictionary containing a marker expression.
+
+ The dictionary will contain keys "op", "lhs" and "rhs" for non-terminals in
+ the expression grammar, or strings. A string contained in quotes is to be
+ interpreted as a literal string, and a string not contained in quotes is a
+ variable (such as os_name).
+ """
+ def marker_var(remaining):
+ # either identifier, or literal string
+ m = IDENTIFIER.match(remaining)
+ if m:
+ result = m.groups()[0]
+ remaining = remaining[m.end():]
+ elif not remaining:
+ raise SyntaxError('unexpected end of input')
+ else:
+ q = remaining[0]
+ if q not in '\'"':
+ raise SyntaxError('invalid expression: %s' % remaining)
+ oq = '\'"'.replace(q, '')
+ remaining = remaining[1:]
+ parts = [q]
+ while remaining:
+ # either a string chunk, or oq, or q to terminate
+ if remaining[0] == q:
+ break
+ elif remaining[0] == oq:
+ parts.append(oq)
+ remaining = remaining[1:]
+ else:
+ m = STRING_CHUNK.match(remaining)
+ if not m:
+ raise SyntaxError('error in string literal: %s' % remaining)
+ parts.append(m.groups()[0])
+ remaining = remaining[m.end():]
+ else:
+ s = ''.join(parts)
+ raise SyntaxError('unterminated string: %s' % s)
+ parts.append(q)
+ result = ''.join(parts)
+ remaining = remaining[1:].lstrip() # skip past closing quote
+ return result, remaining
+
+ def marker_expr(remaining):
+ if remaining and remaining[0] == '(':
+ result, remaining = marker(remaining[1:].lstrip())
+ if remaining[0] != ')':
+ raise SyntaxError('unterminated parenthesis: %s' % remaining)
+ remaining = remaining[1:].lstrip()
+ else:
+ lhs, remaining = marker_var(remaining)
+ while remaining:
+ m = MARKER_OP.match(remaining)
+ if not m:
+ break
+ op = m.groups()[0]
+ remaining = remaining[m.end():]
+ rhs, remaining = marker_var(remaining)
+ lhs = {'op': op, 'lhs': lhs, 'rhs': rhs}
+ result = lhs
+ return result, remaining
+
+ def marker_and(remaining):
+ lhs, remaining = marker_expr(remaining)
+ while remaining:
+ m = AND.match(remaining)
+ if not m:
+ break
+ remaining = remaining[m.end():]
+ rhs, remaining = marker_expr(remaining)
+ lhs = {'op': 'and', 'lhs': lhs, 'rhs': rhs}
+ return lhs, remaining
+
+ def marker(remaining):
+ lhs, remaining = marker_and(remaining)
+ while remaining:
+ m = OR.match(remaining)
+ if not m:
+ break
+ remaining = remaining[m.end():]
+ rhs, remaining = marker_and(remaining)
+ lhs = {'op': 'or', 'lhs': lhs, 'rhs': rhs}
+ return lhs, remaining
+
+ return marker(marker_string)
+
+
+def parse_requirement(req):
+ """
+ Parse a requirement passed in as a string. Return a Container
+ whose attributes contain the various parts of the requirement.
+ """
+ remaining = req.strip()
+ if not remaining or remaining.startswith('#'):
+ return None
+ m = IDENTIFIER.match(remaining)
+ if not m:
+ raise SyntaxError('name expected: %s' % remaining)
+ distname = m.groups()[0]
+ remaining = remaining[m.end():]
+ extras = mark_expr = versions = uri = None
+ if remaining and remaining[0] == '[':
+ i = remaining.find(']', 1)
+ if i < 0:
+ raise SyntaxError('unterminated extra: %s' % remaining)
+ s = remaining[1:i]
+ remaining = remaining[i + 1:].lstrip()
+ extras = []
+ while s:
+ m = IDENTIFIER.match(s)
+ if not m:
+ raise SyntaxError('malformed extra: %s' % s)
+ extras.append(m.groups()[0])
+ s = s[m.end():]
+ if not s:
+ break
+ if s[0] != ',':
+ raise SyntaxError('comma expected in extras: %s' % s)
+ s = s[1:].lstrip()
+ if not extras:
+ extras = None
+ if remaining:
+ if remaining[0] == '@':
+ # it's a URI
+ remaining = remaining[1:].lstrip()
+ m = NON_SPACE.match(remaining)
+ if not m:
+ raise SyntaxError('invalid URI: %s' % remaining)
+ uri = m.groups()[0]
+ t = urlparse(uri)
+ # there are issues with Python and URL parsing, so this test
+ # is a bit crude. See bpo-20271, bpo-23505. Python doesn't
+ # always parse invalid URLs correctly - it should raise
+ # exceptions for malformed URLs
+ if not (t.scheme and t.netloc):
+ raise SyntaxError('Invalid URL: %s' % uri)
+ remaining = remaining[m.end():].lstrip()
+ else:
+
+ def get_versions(ver_remaining):
+ """
+ Return a list of operator, version tuples if any are
+ specified, else None.
+ """
+ m = COMPARE_OP.match(ver_remaining)
+ versions = None
+ if m:
+ versions = []
+ while True:
+ op = m.groups()[0]
+ ver_remaining = ver_remaining[m.end():]
+ m = VERSION_IDENTIFIER.match(ver_remaining)
+ if not m:
+ raise SyntaxError('invalid version: %s' % ver_remaining)
+ v = m.groups()[0]
+ versions.append((op, v))
+ ver_remaining = ver_remaining[m.end():]
+ if not ver_remaining or ver_remaining[0] != ',':
+ break
+ ver_remaining = ver_remaining[1:].lstrip()
+ m = COMPARE_OP.match(ver_remaining)
+ if not m:
+ raise SyntaxError('invalid constraint: %s' % ver_remaining)
+ if not versions:
+ versions = None
+ return versions, ver_remaining
+
+ if remaining[0] != '(':
+ versions, remaining = get_versions(remaining)
+ else:
+ i = remaining.find(')', 1)
+ if i < 0:
+ raise SyntaxError('unterminated parenthesis: %s' % remaining)
+ s = remaining[1:i]
+ remaining = remaining[i + 1:].lstrip()
+ # As a special diversion from PEP 508, allow a version number
+ # a.b.c in parentheses as a synonym for ~= a.b.c (because this
+ # is allowed in earlier PEPs)
+ if COMPARE_OP.match(s):
+ versions, _ = get_versions(s)
+ else:
+ m = VERSION_IDENTIFIER.match(s)
+ if not m:
+ raise SyntaxError('invalid constraint: %s' % s)
+ v = m.groups()[0]
+ s = s[m.end():].lstrip()
+ if s:
+ raise SyntaxError('invalid constraint: %s' % s)
+ versions = [('~=', v)]
+
+ if remaining:
+ if remaining[0] != ';':
+ raise SyntaxError('invalid requirement: %s' % remaining)
+ remaining = remaining[1:].lstrip()
+
+ mark_expr, remaining = parse_marker(remaining)
+
+ if remaining and remaining[0] != '#':
+ raise SyntaxError('unexpected trailing data: %s' % remaining)
+
+ if not versions:
+ rs = distname
+ else:
+ rs = '%s %s' % (distname, ', '.join(['%s %s' % con for con in versions]))
+ return Container(name=distname, extras=extras, constraints=versions,
+ marker=mark_expr, url=uri, requirement=rs)
+
+
+def get_resources_dests(resources_root, rules):
+ """Find destinations for resources files"""
+
+ def get_rel_path(root, path):
+ # normalizes and returns a lstripped-/-separated path
+ root = root.replace(os.path.sep, '/')
+ path = path.replace(os.path.sep, '/')
+ assert path.startswith(root)
+ return path[len(root):].lstrip('/')
+
+ destinations = {}
+ for base, suffix, dest in rules:
+ prefix = os.path.join(resources_root, base)
+ for abs_base in iglob(prefix):
+ abs_glob = os.path.join(abs_base, suffix)
+ for abs_path in iglob(abs_glob):
+ resource_file = get_rel_path(resources_root, abs_path)
+ if dest is None: # remove the entry if it was here
+ destinations.pop(resource_file, None)
+ else:
+ rel_path = get_rel_path(abs_base, abs_path)
+ rel_dest = dest.replace(os.path.sep, '/').rstrip('/')
+ destinations[resource_file] = rel_dest + '/' + rel_path
+ return destinations
+
+
+def in_venv():
+ if hasattr(sys, 'real_prefix'):
+ # virtualenv venvs
+ result = True
+ else:
+ # PEP 405 venvs
+ result = sys.prefix != getattr(sys, 'base_prefix', sys.prefix)
+ return result
+
+
+def get_executable():
+# The __PYVENV_LAUNCHER__ dance is apparently no longer needed, as
+# changes to the stub launcher mean that sys.executable always points
+# to the stub on OS X
+# if sys.platform == 'darwin' and ('__PYVENV_LAUNCHER__'
+# in os.environ):
+# result = os.environ['__PYVENV_LAUNCHER__']
+# else:
+# result = sys.executable
+# return result
+ # Avoid normcasing: see issue #143
+ # result = os.path.normcase(sys.executable)
+ result = sys.executable
+ if not isinstance(result, text_type):
+ result = fsdecode(result)
+ return result
+
+
+def proceed(prompt, allowed_chars, error_prompt=None, default=None):
+ p = prompt
+ while True:
+ s = raw_input(p)
+ p = prompt
+ if not s and default:
+ s = default
+ if s:
+ c = s[0].lower()
+ if c in allowed_chars:
+ break
+ if error_prompt:
+ p = '%c: %s\n%s' % (c, error_prompt, prompt)
+ return c
+
+
+def extract_by_key(d, keys):
+ if isinstance(keys, string_types):
+ keys = keys.split()
+ result = {}
+ for key in keys:
+ if key in d:
+ result[key] = d[key]
+ return result
+
+def read_exports(stream):
+ if sys.version_info[0] >= 3:
+ # needs to be a text stream
+ stream = codecs.getreader('utf-8')(stream)
+ # Try to load as JSON, falling back on legacy format
+ data = stream.read()
+ stream = StringIO(data)
+ try:
+ jdata = json.load(stream)
+ result = jdata['extensions']['python.exports']['exports']
+ for group, entries in result.items():
+ for k, v in entries.items():
+ s = '%s = %s' % (k, v)
+ entry = get_export_entry(s)
+ assert entry is not None
+ entries[k] = entry
+ return result
+ except Exception:
+ stream.seek(0, 0)
+
+ def read_stream(cp, stream):
+ if hasattr(cp, 'read_file'):
+ cp.read_file(stream)
+ else:
+ cp.readfp(stream)
+
+ cp = configparser.ConfigParser()
+ try:
+ read_stream(cp, stream)
+ except configparser.MissingSectionHeaderError:
+ stream.close()
+ data = textwrap.dedent(data)
+ stream = StringIO(data)
+ read_stream(cp, stream)
+
+ result = {}
+ for key in cp.sections():
+ result[key] = entries = {}
+ for name, value in cp.items(key):
+ s = '%s = %s' % (name, value)
+ entry = get_export_entry(s)
+ assert entry is not None
+ #entry.dist = self
+ entries[name] = entry
+ return result
+
+
+def write_exports(exports, stream):
+ if sys.version_info[0] >= 3:
+ # needs to be a text stream
+ stream = codecs.getwriter('utf-8')(stream)
+ cp = configparser.ConfigParser()
+ for k, v in exports.items():
+ # TODO check k, v for valid values
+ cp.add_section(k)
+ for entry in v.values():
+ if entry.suffix is None:
+ s = entry.prefix
+ else:
+ s = '%s:%s' % (entry.prefix, entry.suffix)
+ if entry.flags:
+ s = '%s [%s]' % (s, ', '.join(entry.flags))
+ cp.set(k, entry.name, s)
+ cp.write(stream)
+
+
+@contextlib.contextmanager
+def tempdir():
+ td = tempfile.mkdtemp()
+ try:
+ yield td
+ finally:
+ shutil.rmtree(td)
+
+@contextlib.contextmanager
+def chdir(d):
+ cwd = os.getcwd()
+ try:
+ os.chdir(d)
+ yield
+ finally:
+ os.chdir(cwd)
+
+
+@contextlib.contextmanager
+def socket_timeout(seconds=15):
+ cto = socket.getdefaulttimeout()
+ try:
+ socket.setdefaulttimeout(seconds)
+ yield
+ finally:
+ socket.setdefaulttimeout(cto)
+
+
+class cached_property(object):
+ def __init__(self, func):
+ self.func = func
+ #for attr in ('__name__', '__module__', '__doc__'):
+ # setattr(self, attr, getattr(func, attr, None))
+
+ def __get__(self, obj, cls=None):
+ if obj is None:
+ return self
+ value = self.func(obj)
+ object.__setattr__(obj, self.func.__name__, value)
+ #obj.__dict__[self.func.__name__] = value = self.func(obj)
+ return value
+
+def convert_path(pathname):
+ """Return 'pathname' as a name that will work on the native filesystem.
+
+ The path is split on '/' and put back together again using the current
+ directory separator. Needed because filenames in the setup script are
+ always supplied in Unix style, and have to be converted to the local
+ convention before we can actually use them in the filesystem. Raises
+ ValueError on non-Unix-ish systems if 'pathname' either starts or
+ ends with a slash.
+ """
+ if os.sep == '/':
+ return pathname
+ if not pathname:
+ return pathname
+ if pathname[0] == '/':
+ raise ValueError("path '%s' cannot be absolute" % pathname)
+ if pathname[-1] == '/':
+ raise ValueError("path '%s' cannot end with '/'" % pathname)
+
+ paths = pathname.split('/')
+ while os.curdir in paths:
+ paths.remove(os.curdir)
+ if not paths:
+ return os.curdir
+ return os.path.join(*paths)
+
+
+class FileOperator(object):
+ def __init__(self, dry_run=False):
+ self.dry_run = dry_run
+ self.ensured = set()
+ self._init_record()
+
+ def _init_record(self):
+ self.record = False
+ self.files_written = set()
+ self.dirs_created = set()
+
+ def record_as_written(self, path):
+ if self.record:
+ self.files_written.add(path)
+
+ def newer(self, source, target):
+ """Tell if the target is newer than the source.
+
+ Returns true if 'source' exists and is more recently modified than
+ 'target', or if 'source' exists and 'target' doesn't.
+
+ Returns false if both exist and 'target' is the same age or younger
+ than 'source'. Raise PackagingFileError if 'source' does not exist.
+
+ Note that this test is not very accurate: files created in the same
+ second will have the same "age".
+ """
+ if not os.path.exists(source):
+ raise DistlibException("file '%r' does not exist" %
+ os.path.abspath(source))
+ if not os.path.exists(target):
+ return True
+
+ return os.stat(source).st_mtime > os.stat(target).st_mtime
+
+ def copy_file(self, infile, outfile, check=True):
+ """Copy a file respecting dry-run and force flags.
+ """
+ self.ensure_dir(os.path.dirname(outfile))
+ logger.info('Copying %s to %s', infile, outfile)
+ if not self.dry_run:
+ msg = None
+ if check:
+ if os.path.islink(outfile):
+ msg = '%s is a symlink' % outfile
+ elif os.path.exists(outfile) and not os.path.isfile(outfile):
+ msg = '%s is a non-regular file' % outfile
+ if msg:
+ raise ValueError(msg + ' which would be overwritten')
+ shutil.copyfile(infile, outfile)
+ self.record_as_written(outfile)
+
+ def copy_stream(self, instream, outfile, encoding=None):
+ assert not os.path.isdir(outfile)
+ self.ensure_dir(os.path.dirname(outfile))
+ logger.info('Copying stream %s to %s', instream, outfile)
+ if not self.dry_run:
+ if encoding is None:
+ outstream = open(outfile, 'wb')
+ else:
+ outstream = codecs.open(outfile, 'w', encoding=encoding)
+ try:
+ shutil.copyfileobj(instream, outstream)
+ finally:
+ outstream.close()
+ self.record_as_written(outfile)
+
+ def write_binary_file(self, path, data):
+ self.ensure_dir(os.path.dirname(path))
+ if not self.dry_run:
+ if os.path.exists(path):
+ os.remove(path)
+ with open(path, 'wb') as f:
+ f.write(data)
+ self.record_as_written(path)
+
+ def write_text_file(self, path, data, encoding):
+ self.write_binary_file(path, data.encode(encoding))
+
+ def set_mode(self, bits, mask, files):
+ if os.name == 'posix' or (os.name == 'java' and os._name == 'posix'):
+ # Set the executable bits (owner, group, and world) on
+ # all the files specified.
+ for f in files:
+ if self.dry_run:
+ logger.info("changing mode of %s", f)
+ else:
+ mode = (os.stat(f).st_mode | bits) & mask
+ logger.info("changing mode of %s to %o", f, mode)
+ os.chmod(f, mode)
+
+ set_executable_mode = lambda s, f: s.set_mode(0o555, 0o7777, f)
+
+ def ensure_dir(self, path):
+ path = os.path.abspath(path)
+ if path not in self.ensured and not os.path.exists(path):
+ self.ensured.add(path)
+ d, f = os.path.split(path)
+ self.ensure_dir(d)
+ logger.info('Creating %s' % path)
+ if not self.dry_run:
+ os.mkdir(path)
+ if self.record:
+ self.dirs_created.add(path)
+
+ def byte_compile(self, path, optimize=False, force=False, prefix=None, hashed_invalidation=False):
+ dpath = cache_from_source(path, not optimize)
+ logger.info('Byte-compiling %s to %s', path, dpath)
+ if not self.dry_run:
+ if force or self.newer(path, dpath):
+ if not prefix:
+ diagpath = None
+ else:
+ assert path.startswith(prefix)
+ diagpath = path[len(prefix):]
+ compile_kwargs = {}
+ if hashed_invalidation and hasattr(py_compile, 'PycInvalidationMode'):
+ compile_kwargs['invalidation_mode'] = py_compile.PycInvalidationMode.CHECKED_HASH
+ py_compile.compile(path, dpath, diagpath, True, **compile_kwargs) # raise error
+ self.record_as_written(dpath)
+ return dpath
+
+ def ensure_removed(self, path):
+ if os.path.exists(path):
+ if os.path.isdir(path) and not os.path.islink(path):
+ logger.debug('Removing directory tree at %s', path)
+ if not self.dry_run:
+ shutil.rmtree(path)
+ if self.record:
+ if path in self.dirs_created:
+ self.dirs_created.remove(path)
+ else:
+ if os.path.islink(path):
+ s = 'link'
+ else:
+ s = 'file'
+ logger.debug('Removing %s %s', s, path)
+ if not self.dry_run:
+ os.remove(path)
+ if self.record:
+ if path in self.files_written:
+ self.files_written.remove(path)
+
+ def is_writable(self, path):
+ result = False
+ while not result:
+ if os.path.exists(path):
+ result = os.access(path, os.W_OK)
+ break
+ parent = os.path.dirname(path)
+ if parent == path:
+ break
+ path = parent
+ return result
+
+ def commit(self):
+ """
+ Commit recorded changes, turn off recording, return
+ changes.
+ """
+ assert self.record
+ result = self.files_written, self.dirs_created
+ self._init_record()
+ return result
+
+ def rollback(self):
+ if not self.dry_run:
+ for f in list(self.files_written):
+ if os.path.exists(f):
+ os.remove(f)
+ # dirs should all be empty now, except perhaps for
+ # __pycache__ subdirs
+ # reverse so that subdirs appear before their parents
+ dirs = sorted(self.dirs_created, reverse=True)
+ for d in dirs:
+ flist = os.listdir(d)
+ if flist:
+ assert flist == ['__pycache__']
+ sd = os.path.join(d, flist[0])
+ os.rmdir(sd)
+ os.rmdir(d) # should fail if non-empty
+ self._init_record()
+
+def resolve(module_name, dotted_path):
+ if module_name in sys.modules:
+ mod = sys.modules[module_name]
+ else:
+ mod = __import__(module_name)
+ if dotted_path is None:
+ result = mod
+ else:
+ parts = dotted_path.split('.')
+ result = getattr(mod, parts.pop(0))
+ for p in parts:
+ result = getattr(result, p)
+ return result
+
+
+class ExportEntry(object):
+ def __init__(self, name, prefix, suffix, flags):
+ self.name = name
+ self.prefix = prefix
+ self.suffix = suffix
+ self.flags = flags
+
+ @cached_property
+ def value(self):
+ return resolve(self.prefix, self.suffix)
+
+ def __repr__(self): # pragma: no cover
+ return '' % (self.name, self.prefix,
+ self.suffix, self.flags)
+
+ def __eq__(self, other):
+ if not isinstance(other, ExportEntry):
+ result = False
+ else:
+ result = (self.name == other.name and
+ self.prefix == other.prefix and
+ self.suffix == other.suffix and
+ self.flags == other.flags)
+ return result
+
+ __hash__ = object.__hash__
+
+
+ENTRY_RE = re.compile(r'''(?P(\w|[-.+])+)
+ \s*=\s*(?P(\w+)([:\.]\w+)*)
+ \s*(\[\s*(?P[\w-]+(=\w+)?(,\s*\w+(=\w+)?)*)\s*\])?
+ ''', re.VERBOSE)
+
+def get_export_entry(specification):
+ m = ENTRY_RE.search(specification)
+ if not m:
+ result = None
+ if '[' in specification or ']' in specification:
+ raise DistlibException("Invalid specification "
+ "'%s'" % specification)
+ else:
+ d = m.groupdict()
+ name = d['name']
+ path = d['callable']
+ colons = path.count(':')
+ if colons == 0:
+ prefix, suffix = path, None
+ else:
+ if colons != 1:
+ raise DistlibException("Invalid specification "
+ "'%s'" % specification)
+ prefix, suffix = path.split(':')
+ flags = d['flags']
+ if flags is None:
+ if '[' in specification or ']' in specification:
+ raise DistlibException("Invalid specification "
+ "'%s'" % specification)
+ flags = []
+ else:
+ flags = [f.strip() for f in flags.split(',')]
+ result = ExportEntry(name, prefix, suffix, flags)
+ return result
+
+
+def get_cache_base(suffix=None):
+ """
+ Return the default base location for distlib caches. If the directory does
+ not exist, it is created. Use the suffix provided for the base directory,
+ and default to '.distlib' if it isn't provided.
+
+ On Windows, if LOCALAPPDATA is defined in the environment, then it is
+ assumed to be a directory, and will be the parent directory of the result.
+ On POSIX, and on Windows if LOCALAPPDATA is not defined, the user's home
+ directory - using os.expanduser('~') - will be the parent directory of
+ the result.
+
+ The result is just the directory '.distlib' in the parent directory as
+ determined above, or with the name specified with ``suffix``.
+ """
+ if suffix is None:
+ suffix = '.distlib'
+ if os.name == 'nt' and 'LOCALAPPDATA' in os.environ:
+ result = os.path.expandvars('$localappdata')
+ else:
+ # Assume posix, or old Windows
+ result = os.path.expanduser('~')
+ # we use 'isdir' instead of 'exists', because we want to
+ # fail if there's a file with that name
+ if os.path.isdir(result):
+ usable = os.access(result, os.W_OK)
+ if not usable:
+ logger.warning('Directory exists but is not writable: %s', result)
+ else:
+ try:
+ os.makedirs(result)
+ usable = True
+ except OSError:
+ logger.warning('Unable to create %s', result, exc_info=True)
+ usable = False
+ if not usable:
+ result = tempfile.mkdtemp()
+ logger.warning('Default location unusable, using %s', result)
+ return os.path.join(result, suffix)
+
+
+def path_to_cache_dir(path):
+ """
+ Convert an absolute path to a directory name for use in a cache.
+
+ The algorithm used is:
+
+ #. On Windows, any ``':'`` in the drive is replaced with ``'---'``.
+ #. Any occurrence of ``os.sep`` is replaced with ``'--'``.
+ #. ``'.cache'`` is appended.
+ """
+ d, p = os.path.splitdrive(os.path.abspath(path))
+ if d:
+ d = d.replace(':', '---')
+ p = p.replace(os.sep, '--')
+ return d + p + '.cache'
+
+
+def ensure_slash(s):
+ if not s.endswith('/'):
+ return s + '/'
+ return s
+
+
+def parse_credentials(netloc):
+ username = password = None
+ if '@' in netloc:
+ prefix, netloc = netloc.rsplit('@', 1)
+ if ':' not in prefix:
+ username = prefix
+ else:
+ username, password = prefix.split(':', 1)
+ if username:
+ username = unquote(username)
+ if password:
+ password = unquote(password)
+ return username, password, netloc
+
+
+def get_process_umask():
+ result = os.umask(0o22)
+ os.umask(result)
+ return result
+
+def is_string_sequence(seq):
+ result = True
+ i = None
+ for i, s in enumerate(seq):
+ if not isinstance(s, string_types):
+ result = False
+ break
+ assert i is not None
+ return result
+
+PROJECT_NAME_AND_VERSION = re.compile('([a-z0-9_]+([.-][a-z_][a-z0-9_]*)*)-'
+ '([a-z0-9_.+-]+)', re.I)
+PYTHON_VERSION = re.compile(r'-py(\d\.?\d?)')
+
+
+def split_filename(filename, project_name=None):
+ """
+ Extract name, version, python version from a filename (no extension)
+
+ Return name, version, pyver or None
+ """
+ result = None
+ pyver = None
+ filename = unquote(filename).replace(' ', '-')
+ m = PYTHON_VERSION.search(filename)
+ if m:
+ pyver = m.group(1)
+ filename = filename[:m.start()]
+ if project_name and len(filename) > len(project_name) + 1:
+ m = re.match(re.escape(project_name) + r'\b', filename)
+ if m:
+ n = m.end()
+ result = filename[:n], filename[n + 1:], pyver
+ if result is None:
+ m = PROJECT_NAME_AND_VERSION.match(filename)
+ if m:
+ result = m.group(1), m.group(3), pyver
+ return result
+
+# Allow spaces in name because of legacy dists like "Twisted Core"
+NAME_VERSION_RE = re.compile(r'(?P[\w .-]+)\s*'
+ r'\(\s*(?P[^\s)]+)\)$')
+
+def parse_name_and_version(p):
+ """
+ A utility method used to get name and version from a string.
+
+ From e.g. a Provides-Dist value.
+
+ :param p: A value in a form 'foo (1.0)'
+ :return: The name and version as a tuple.
+ """
+ m = NAME_VERSION_RE.match(p)
+ if not m:
+ raise DistlibException('Ill-formed name/version string: \'%s\'' % p)
+ d = m.groupdict()
+ return d['name'].strip().lower(), d['ver']
+
+def get_extras(requested, available):
+ result = set()
+ requested = set(requested or [])
+ available = set(available or [])
+ if '*' in requested:
+ requested.remove('*')
+ result |= available
+ for r in requested:
+ if r == '-':
+ result.add(r)
+ elif r.startswith('-'):
+ unwanted = r[1:]
+ if unwanted not in available:
+ logger.warning('undeclared extra: %s' % unwanted)
+ if unwanted in result:
+ result.remove(unwanted)
+ else:
+ if r not in available:
+ logger.warning('undeclared extra: %s' % r)
+ result.add(r)
+ return result
+#
+# Extended metadata functionality
+#
+
+def _get_external_data(url):
+ result = {}
+ try:
+ # urlopen might fail if it runs into redirections,
+ # because of Python issue #13696. Fixed in locators
+ # using a custom redirect handler.
+ resp = urlopen(url)
+ headers = resp.info()
+ ct = headers.get('Content-Type')
+ if not ct.startswith('application/json'):
+ logger.debug('Unexpected response for JSON request: %s', ct)
+ else:
+ reader = codecs.getreader('utf-8')(resp)
+ #data = reader.read().decode('utf-8')
+ #result = json.loads(data)
+ result = json.load(reader)
+ except Exception as e:
+ logger.exception('Failed to get external data for %s: %s', url, e)
+ return result
+
+_external_data_base_url = 'https://www.red-dove.com/pypi/projects/'
+
+def get_project_data(name):
+ url = '%s/%s/project.json' % (name[0].upper(), name)
+ url = urljoin(_external_data_base_url, url)
+ result = _get_external_data(url)
+ return result
+
+def get_package_data(name, version):
+ url = '%s/%s/package-%s.json' % (name[0].upper(), name, version)
+ url = urljoin(_external_data_base_url, url)
+ return _get_external_data(url)
+
+
+class Cache(object):
+ """
+ A class implementing a cache for resources that need to live in the file system
+ e.g. shared libraries. This class was moved from resources to here because it
+ could be used by other modules, e.g. the wheel module.
+ """
+
+ def __init__(self, base):
+ """
+ Initialise an instance.
+
+ :param base: The base directory where the cache should be located.
+ """
+ # we use 'isdir' instead of 'exists', because we want to
+ # fail if there's a file with that name
+ if not os.path.isdir(base): # pragma: no cover
+ os.makedirs(base)
+ if (os.stat(base).st_mode & 0o77) != 0:
+ logger.warning('Directory \'%s\' is not private', base)
+ self.base = os.path.abspath(os.path.normpath(base))
+
+ def prefix_to_dir(self, prefix):
+ """
+ Converts a resource prefix to a directory name in the cache.
+ """
+ return path_to_cache_dir(prefix)
+
+ def clear(self):
+ """
+ Clear the cache.
+ """
+ not_removed = []
+ for fn in os.listdir(self.base):
+ fn = os.path.join(self.base, fn)
+ try:
+ if os.path.islink(fn) or os.path.isfile(fn):
+ os.remove(fn)
+ elif os.path.isdir(fn):
+ shutil.rmtree(fn)
+ except Exception:
+ not_removed.append(fn)
+ return not_removed
+
+
+class EventMixin(object):
+ """
+ A very simple publish/subscribe system.
+ """
+ def __init__(self):
+ self._subscribers = {}
+
+ def add(self, event, subscriber, append=True):
+ """
+ Add a subscriber for an event.
+
+ :param event: The name of an event.
+ :param subscriber: The subscriber to be added (and called when the
+ event is published).
+ :param append: Whether to append or prepend the subscriber to an
+ existing subscriber list for the event.
+ """
+ subs = self._subscribers
+ if event not in subs:
+ subs[event] = deque([subscriber])
+ else:
+ sq = subs[event]
+ if append:
+ sq.append(subscriber)
+ else:
+ sq.appendleft(subscriber)
+
+ def remove(self, event, subscriber):
+ """
+ Remove a subscriber for an event.
+
+ :param event: The name of an event.
+ :param subscriber: The subscriber to be removed.
+ """
+ subs = self._subscribers
+ if event not in subs:
+ raise ValueError('No subscribers: %r' % event)
+ subs[event].remove(subscriber)
+
+ def get_subscribers(self, event):
+ """
+ Return an iterator for the subscribers for an event.
+ :param event: The event to return subscribers for.
+ """
+ return iter(self._subscribers.get(event, ()))
+
+ def publish(self, event, *args, **kwargs):
+ """
+ Publish a event and return a list of values returned by its
+ subscribers.
+
+ :param event: The event to publish.
+ :param args: The positional arguments to pass to the event's
+ subscribers.
+ :param kwargs: The keyword arguments to pass to the event's
+ subscribers.
+ """
+ result = []
+ for subscriber in self.get_subscribers(event):
+ try:
+ value = subscriber(event, *args, **kwargs)
+ except Exception:
+ logger.exception('Exception during event publication')
+ value = None
+ result.append(value)
+ logger.debug('publish %s: args = %s, kwargs = %s, result = %s',
+ event, args, kwargs, result)
+ return result
+
+#
+# Simple sequencing
+#
+class Sequencer(object):
+ def __init__(self):
+ self._preds = {}
+ self._succs = {}
+ self._nodes = set() # nodes with no preds/succs
+
+ def add_node(self, node):
+ self._nodes.add(node)
+
+ def remove_node(self, node, edges=False):
+ if node in self._nodes:
+ self._nodes.remove(node)
+ if edges:
+ for p in set(self._preds.get(node, ())):
+ self.remove(p, node)
+ for s in set(self._succs.get(node, ())):
+ self.remove(node, s)
+ # Remove empties
+ for k, v in list(self._preds.items()):
+ if not v:
+ del self._preds[k]
+ for k, v in list(self._succs.items()):
+ if not v:
+ del self._succs[k]
+
+ def add(self, pred, succ):
+ assert pred != succ
+ self._preds.setdefault(succ, set()).add(pred)
+ self._succs.setdefault(pred, set()).add(succ)
+
+ def remove(self, pred, succ):
+ assert pred != succ
+ try:
+ preds = self._preds[succ]
+ succs = self._succs[pred]
+ except KeyError: # pragma: no cover
+ raise ValueError('%r not a successor of anything' % succ)
+ try:
+ preds.remove(pred)
+ succs.remove(succ)
+ except KeyError: # pragma: no cover
+ raise ValueError('%r not a successor of %r' % (succ, pred))
+
+ def is_step(self, step):
+ return (step in self._preds or step in self._succs or
+ step in self._nodes)
+
+ def get_steps(self, final):
+ if not self.is_step(final):
+ raise ValueError('Unknown: %r' % final)
+ result = []
+ todo = []
+ seen = set()
+ todo.append(final)
+ while todo:
+ step = todo.pop(0)
+ if step in seen:
+ # if a step was already seen,
+ # move it to the end (so it will appear earlier
+ # when reversed on return) ... but not for the
+ # final step, as that would be confusing for
+ # users
+ if step != final:
+ result.remove(step)
+ result.append(step)
+ else:
+ seen.add(step)
+ result.append(step)
+ preds = self._preds.get(step, ())
+ todo.extend(preds)
+ return reversed(result)
+
+ @property
+ def strong_connections(self):
+ #http://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm
+ index_counter = [0]
+ stack = []
+ lowlinks = {}
+ index = {}
+ result = []
+
+ graph = self._succs
+
+ def strongconnect(node):
+ # set the depth index for this node to the smallest unused index
+ index[node] = index_counter[0]
+ lowlinks[node] = index_counter[0]
+ index_counter[0] += 1
+ stack.append(node)
+
+ # Consider successors
+ try:
+ successors = graph[node]
+ except Exception:
+ successors = []
+ for successor in successors:
+ if successor not in lowlinks:
+ # Successor has not yet been visited
+ strongconnect(successor)
+ lowlinks[node] = min(lowlinks[node],lowlinks[successor])
+ elif successor in stack:
+ # the successor is in the stack and hence in the current
+ # strongly connected component (SCC)
+ lowlinks[node] = min(lowlinks[node],index[successor])
+
+ # If `node` is a root node, pop the stack and generate an SCC
+ if lowlinks[node] == index[node]:
+ connected_component = []
+
+ while True:
+ successor = stack.pop()
+ connected_component.append(successor)
+ if successor == node: break
+ component = tuple(connected_component)
+ # storing the result
+ result.append(component)
+
+ for node in graph:
+ if node not in lowlinks:
+ strongconnect(node)
+
+ return result
+
+ @property
+ def dot(self):
+ result = ['digraph G {']
+ for succ in self._preds:
+ preds = self._preds[succ]
+ for pred in preds:
+ result.append(' %s -> %s;' % (pred, succ))
+ for node in self._nodes:
+ result.append(' %s;' % node)
+ result.append('}')
+ return '\n'.join(result)
+
+#
+# Unarchiving functionality for zip, tar, tgz, tbz, whl
+#
+
+ARCHIVE_EXTENSIONS = ('.tar.gz', '.tar.bz2', '.tar', '.zip',
+ '.tgz', '.tbz', '.whl')
+
+def unarchive(archive_filename, dest_dir, format=None, check=True):
+
+ def check_path(path):
+ if not isinstance(path, text_type):
+ path = path.decode('utf-8')
+ p = os.path.abspath(os.path.join(dest_dir, path))
+ if not p.startswith(dest_dir) or p[plen] != os.sep:
+ raise ValueError('path outside destination: %r' % p)
+
+ dest_dir = os.path.abspath(dest_dir)
+ plen = len(dest_dir)
+ archive = None
+ if format is None:
+ if archive_filename.endswith(('.zip', '.whl')):
+ format = 'zip'
+ elif archive_filename.endswith(('.tar.gz', '.tgz')):
+ format = 'tgz'
+ mode = 'r:gz'
+ elif archive_filename.endswith(('.tar.bz2', '.tbz')):
+ format = 'tbz'
+ mode = 'r:bz2'
+ elif archive_filename.endswith('.tar'):
+ format = 'tar'
+ mode = 'r'
+ else: # pragma: no cover
+ raise ValueError('Unknown format for %r' % archive_filename)
+ try:
+ if format == 'zip':
+ archive = ZipFile(archive_filename, 'r')
+ if check:
+ names = archive.namelist()
+ for name in names:
+ check_path(name)
+ else:
+ archive = tarfile.open(archive_filename, mode)
+ if check:
+ names = archive.getnames()
+ for name in names:
+ check_path(name)
+ if format != 'zip' and sys.version_info[0] < 3:
+ # See Python issue 17153. If the dest path contains Unicode,
+ # tarfile extraction fails on Python 2.x if a member path name
+ # contains non-ASCII characters - it leads to an implicit
+ # bytes -> unicode conversion using ASCII to decode.
+ for tarinfo in archive.getmembers():
+ if not isinstance(tarinfo.name, text_type):
+ tarinfo.name = tarinfo.name.decode('utf-8')
+ archive.extractall(dest_dir)
+
+ finally:
+ if archive:
+ archive.close()
+
+
+def zip_dir(directory):
+ """zip a directory tree into a BytesIO object"""
+ result = io.BytesIO()
+ dlen = len(directory)
+ with ZipFile(result, "w") as zf:
+ for root, dirs, files in os.walk(directory):
+ for name in files:
+ full = os.path.join(root, name)
+ rel = root[dlen:]
+ dest = os.path.join(rel, name)
+ zf.write(full, dest)
+ return result
+
+#
+# Simple progress bar
+#
+
+UNITS = ('', 'K', 'M', 'G','T','P')
+
+
+class Progress(object):
+ unknown = 'UNKNOWN'
+
+ def __init__(self, minval=0, maxval=100):
+ assert maxval is None or maxval >= minval
+ self.min = self.cur = minval
+ self.max = maxval
+ self.started = None
+ self.elapsed = 0
+ self.done = False
+
+ def update(self, curval):
+ assert self.min <= curval
+ assert self.max is None or curval <= self.max
+ self.cur = curval
+ now = time.time()
+ if self.started is None:
+ self.started = now
+ else:
+ self.elapsed = now - self.started
+
+ def increment(self, incr):
+ assert incr >= 0
+ self.update(self.cur + incr)
+
+ def start(self):
+ self.update(self.min)
+ return self
+
+ def stop(self):
+ if self.max is not None:
+ self.update(self.max)
+ self.done = True
+
+ @property
+ def maximum(self):
+ return self.unknown if self.max is None else self.max
+
+ @property
+ def percentage(self):
+ if self.done:
+ result = '100 %'
+ elif self.max is None:
+ result = ' ?? %'
+ else:
+ v = 100.0 * (self.cur - self.min) / (self.max - self.min)
+ result = '%3d %%' % v
+ return result
+
+ def format_duration(self, duration):
+ if (duration <= 0) and self.max is None or self.cur == self.min:
+ result = '??:??:??'
+ #elif duration < 1:
+ # result = '--:--:--'
+ else:
+ result = time.strftime('%H:%M:%S', time.gmtime(duration))
+ return result
+
+ @property
+ def ETA(self):
+ if self.done:
+ prefix = 'Done'
+ t = self.elapsed
+ #import pdb; pdb.set_trace()
+ else:
+ prefix = 'ETA '
+ if self.max is None:
+ t = -1
+ elif self.elapsed == 0 or (self.cur == self.min):
+ t = 0
+ else:
+ #import pdb; pdb.set_trace()
+ t = float(self.max - self.min)
+ t /= self.cur - self.min
+ t = (t - 1) * self.elapsed
+ return '%s: %s' % (prefix, self.format_duration(t))
+
+ @property
+ def speed(self):
+ if self.elapsed == 0:
+ result = 0.0
+ else:
+ result = (self.cur - self.min) / self.elapsed
+ for unit in UNITS:
+ if result < 1000:
+ break
+ result /= 1000.0
+ return '%d %sB/s' % (result, unit)
+
+#
+# Glob functionality
+#
+
+RICH_GLOB = re.compile(r'\{([^}]*)\}')
+_CHECK_RECURSIVE_GLOB = re.compile(r'[^/\\,{]\*\*|\*\*[^/\\,}]')
+_CHECK_MISMATCH_SET = re.compile(r'^[^{]*\}|\{[^}]*$')
+
+
+def iglob(path_glob):
+ """Extended globbing function that supports ** and {opt1,opt2,opt3}."""
+ if _CHECK_RECURSIVE_GLOB.search(path_glob):
+ msg = """invalid glob %r: recursive glob "**" must be used alone"""
+ raise ValueError(msg % path_glob)
+ if _CHECK_MISMATCH_SET.search(path_glob):
+ msg = """invalid glob %r: mismatching set marker '{' or '}'"""
+ raise ValueError(msg % path_glob)
+ return _iglob(path_glob)
+
+
+def _iglob(path_glob):
+ rich_path_glob = RICH_GLOB.split(path_glob, 1)
+ if len(rich_path_glob) > 1:
+ assert len(rich_path_glob) == 3, rich_path_glob
+ prefix, set, suffix = rich_path_glob
+ for item in set.split(','):
+ for path in _iglob(''.join((prefix, item, suffix))):
+ yield path
+ else:
+ if '**' not in path_glob:
+ for item in std_iglob(path_glob):
+ yield item
+ else:
+ prefix, radical = path_glob.split('**', 1)
+ if prefix == '':
+ prefix = '.'
+ if radical == '':
+ radical = '*'
+ else:
+ # we support both
+ radical = radical.lstrip('/')
+ radical = radical.lstrip('\\')
+ for path, dir, files in os.walk(prefix):
+ path = os.path.normpath(path)
+ for fn in _iglob(os.path.join(path, radical)):
+ yield fn
+
+if ssl:
+ from .compat import (HTTPSHandler as BaseHTTPSHandler, match_hostname,
+ CertificateError)
+
+
+#
+# HTTPSConnection which verifies certificates/matches domains
+#
+
+ class HTTPSConnection(httplib.HTTPSConnection):
+ ca_certs = None # set this to the path to the certs file (.pem)
+ check_domain = True # only used if ca_certs is not None
+
+ # noinspection PyPropertyAccess
+ def connect(self):
+ sock = socket.create_connection((self.host, self.port), self.timeout)
+ if getattr(self, '_tunnel_host', False):
+ self.sock = sock
+ self._tunnel()
+
+ if not hasattr(ssl, 'SSLContext'):
+ # For 2.x
+ if self.ca_certs:
+ cert_reqs = ssl.CERT_REQUIRED
+ else:
+ cert_reqs = ssl.CERT_NONE
+ self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file,
+ cert_reqs=cert_reqs,
+ ssl_version=ssl.PROTOCOL_SSLv23,
+ ca_certs=self.ca_certs)
+ else: # pragma: no cover
+ context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+ if hasattr(ssl, 'OP_NO_SSLv2'):
+ context.options |= ssl.OP_NO_SSLv2
+ if self.cert_file:
+ context.load_cert_chain(self.cert_file, self.key_file)
+ kwargs = {}
+ if self.ca_certs:
+ context.verify_mode = ssl.CERT_REQUIRED
+ context.load_verify_locations(cafile=self.ca_certs)
+ if getattr(ssl, 'HAS_SNI', False):
+ kwargs['server_hostname'] = self.host
+ self.sock = context.wrap_socket(sock, **kwargs)
+ if self.ca_certs and self.check_domain:
+ try:
+ match_hostname(self.sock.getpeercert(), self.host)
+ logger.debug('Host verified: %s', self.host)
+ except CertificateError: # pragma: no cover
+ self.sock.shutdown(socket.SHUT_RDWR)
+ self.sock.close()
+ raise
+
+ class HTTPSHandler(BaseHTTPSHandler):
+ def __init__(self, ca_certs, check_domain=True):
+ BaseHTTPSHandler.__init__(self)
+ self.ca_certs = ca_certs
+ self.check_domain = check_domain
+
+ def _conn_maker(self, *args, **kwargs):
+ """
+ This is called to create a connection instance. Normally you'd
+ pass a connection class to do_open, but it doesn't actually check for
+ a class, and just expects a callable. As long as we behave just as a
+ constructor would have, we should be OK. If it ever changes so that
+ we *must* pass a class, we'll create an UnsafeHTTPSConnection class
+ which just sets check_domain to False in the class definition, and
+ choose which one to pass to do_open.
+ """
+ result = HTTPSConnection(*args, **kwargs)
+ if self.ca_certs:
+ result.ca_certs = self.ca_certs
+ result.check_domain = self.check_domain
+ return result
+
+ def https_open(self, req):
+ try:
+ return self.do_open(self._conn_maker, req)
+ except URLError as e:
+ if 'certificate verify failed' in str(e.reason):
+ raise CertificateError('Unable to verify server certificate '
+ 'for %s' % req.host)
+ else:
+ raise
+
+ #
+ # To prevent against mixing HTTP traffic with HTTPS (examples: A Man-In-The-
+ # Middle proxy using HTTP listens on port 443, or an index mistakenly serves
+ # HTML containing a http://xyz link when it should be https://xyz),
+ # you can use the following handler class, which does not allow HTTP traffic.
+ #
+ # It works by inheriting from HTTPHandler - so build_opener won't add a
+ # handler for HTTP itself.
+ #
+ class HTTPSOnlyHandler(HTTPSHandler, HTTPHandler):
+ def http_open(self, req):
+ raise URLError('Unexpected HTTP request on what should be a secure '
+ 'connection: %s' % req)
+
+#
+# XML-RPC with timeouts
+#
+
+_ver_info = sys.version_info[:2]
+
+if _ver_info == (2, 6):
+ class HTTP(httplib.HTTP):
+ def __init__(self, host='', port=None, **kwargs):
+ if port == 0: # 0 means use port 0, not the default port
+ port = None
+ self._setup(self._connection_class(host, port, **kwargs))
+
+
+ if ssl:
+ class HTTPS(httplib.HTTPS):
+ def __init__(self, host='', port=None, **kwargs):
+ if port == 0: # 0 means use port 0, not the default port
+ port = None
+ self._setup(self._connection_class(host, port, **kwargs))
+
+
+class Transport(xmlrpclib.Transport):
+ def __init__(self, timeout, use_datetime=0):
+ self.timeout = timeout
+ xmlrpclib.Transport.__init__(self, use_datetime)
+
+ def make_connection(self, host):
+ h, eh, x509 = self.get_host_info(host)
+ if _ver_info == (2, 6):
+ result = HTTP(h, timeout=self.timeout)
+ else:
+ if not self._connection or host != self._connection[0]:
+ self._extra_headers = eh
+ self._connection = host, httplib.HTTPConnection(h)
+ result = self._connection[1]
+ return result
+
+if ssl:
+ class SafeTransport(xmlrpclib.SafeTransport):
+ def __init__(self, timeout, use_datetime=0):
+ self.timeout = timeout
+ xmlrpclib.SafeTransport.__init__(self, use_datetime)
+
+ def make_connection(self, host):
+ h, eh, kwargs = self.get_host_info(host)
+ if not kwargs:
+ kwargs = {}
+ kwargs['timeout'] = self.timeout
+ if _ver_info == (2, 6):
+ result = HTTPS(host, None, **kwargs)
+ else:
+ if not self._connection or host != self._connection[0]:
+ self._extra_headers = eh
+ self._connection = host, httplib.HTTPSConnection(h, None,
+ **kwargs)
+ result = self._connection[1]
+ return result
+
+
+class ServerProxy(xmlrpclib.ServerProxy):
+ def __init__(self, uri, **kwargs):
+ self.timeout = timeout = kwargs.pop('timeout', None)
+ # The above classes only come into play if a timeout
+ # is specified
+ if timeout is not None:
+ # scheme = splittype(uri) # deprecated as of Python 3.8
+ scheme = urlparse(uri)[0]
+ use_datetime = kwargs.get('use_datetime', 0)
+ if scheme == 'https':
+ tcls = SafeTransport
+ else:
+ tcls = Transport
+ kwargs['transport'] = t = tcls(timeout, use_datetime=use_datetime)
+ self.transport = t
+ xmlrpclib.ServerProxy.__init__(self, uri, **kwargs)
+
+#
+# CSV functionality. This is provided because on 2.x, the csv module can't
+# handle Unicode. However, we need to deal with Unicode in e.g. RECORD files.
+#
+
+def _csv_open(fn, mode, **kwargs):
+ if sys.version_info[0] < 3:
+ mode += 'b'
+ else:
+ kwargs['newline'] = ''
+ # Python 3 determines encoding from locale. Force 'utf-8'
+ # file encoding to match other forced utf-8 encoding
+ kwargs['encoding'] = 'utf-8'
+ return open(fn, mode, **kwargs)
+
+
+class CSVBase(object):
+ defaults = {
+ 'delimiter': str(','), # The strs are used because we need native
+ 'quotechar': str('"'), # str in the csv API (2.x won't take
+ 'lineterminator': str('\n') # Unicode)
+ }
+
+ def __enter__(self):
+ return self
+
+ def __exit__(self, *exc_info):
+ self.stream.close()
+
+
+class CSVReader(CSVBase):
+ def __init__(self, **kwargs):
+ if 'stream' in kwargs:
+ stream = kwargs['stream']
+ if sys.version_info[0] >= 3:
+ # needs to be a text stream
+ stream = codecs.getreader('utf-8')(stream)
+ self.stream = stream
+ else:
+ self.stream = _csv_open(kwargs['path'], 'r')
+ self.reader = csv.reader(self.stream, **self.defaults)
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ result = next(self.reader)
+ if sys.version_info[0] < 3:
+ for i, item in enumerate(result):
+ if not isinstance(item, text_type):
+ result[i] = item.decode('utf-8')
+ return result
+
+ __next__ = next
+
+class CSVWriter(CSVBase):
+ def __init__(self, fn, **kwargs):
+ self.stream = _csv_open(fn, 'w')
+ self.writer = csv.writer(self.stream, **self.defaults)
+
+ def writerow(self, row):
+ if sys.version_info[0] < 3:
+ r = []
+ for item in row:
+ if isinstance(item, text_type):
+ item = item.encode('utf-8')
+ r.append(item)
+ row = r
+ self.writer.writerow(row)
+
+#
+# Configurator functionality
+#
+
+class Configurator(BaseConfigurator):
+
+ value_converters = dict(BaseConfigurator.value_converters)
+ value_converters['inc'] = 'inc_convert'
+
+ def __init__(self, config, base=None):
+ super(Configurator, self).__init__(config)
+ self.base = base or os.getcwd()
+
+ def configure_custom(self, config):
+ def convert(o):
+ if isinstance(o, (list, tuple)):
+ result = type(o)([convert(i) for i in o])
+ elif isinstance(o, dict):
+ if '()' in o:
+ result = self.configure_custom(o)
+ else:
+ result = {}
+ for k in o:
+ result[k] = convert(o[k])
+ else:
+ result = self.convert(o)
+ return result
+
+ c = config.pop('()')
+ if not callable(c):
+ c = self.resolve(c)
+ props = config.pop('.', None)
+ # Check for valid identifiers
+ args = config.pop('[]', ())
+ if args:
+ args = tuple([convert(o) for o in args])
+ items = [(k, convert(config[k])) for k in config if valid_ident(k)]
+ kwargs = dict(items)
+ result = c(*args, **kwargs)
+ if props:
+ for n, v in props.items():
+ setattr(result, n, convert(v))
+ return result
+
+ def __getitem__(self, key):
+ result = self.config[key]
+ if isinstance(result, dict) and '()' in result:
+ self.config[key] = result = self.configure_custom(result)
+ return result
+
+ def inc_convert(self, value):
+ """Default converter for the inc:// protocol."""
+ if not os.path.isabs(value):
+ value = os.path.join(self.base, value)
+ with codecs.open(value, 'r', encoding='utf-8') as f:
+ result = json.load(f)
+ return result
+
+
+class SubprocessMixin(object):
+ """
+ Mixin for running subprocesses and capturing their output
+ """
+ def __init__(self, verbose=False, progress=None):
+ self.verbose = verbose
+ self.progress = progress
+
+ def reader(self, stream, context):
+ """
+ Read lines from a subprocess' output stream and either pass to a progress
+ callable (if specified) or write progress information to sys.stderr.
+ """
+ progress = self.progress
+ verbose = self.verbose
+ while True:
+ s = stream.readline()
+ if not s:
+ break
+ if progress is not None:
+ progress(s, context)
+ else:
+ if not verbose:
+ sys.stderr.write('.')
+ else:
+ sys.stderr.write(s.decode('utf-8'))
+ sys.stderr.flush()
+ stream.close()
+
+ def run_command(self, cmd, **kwargs):
+ p = subprocess.Popen(cmd, stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE, **kwargs)
+ t1 = threading.Thread(target=self.reader, args=(p.stdout, 'stdout'))
+ t1.start()
+ t2 = threading.Thread(target=self.reader, args=(p.stderr, 'stderr'))
+ t2.start()
+ p.wait()
+ t1.join()
+ t2.join()
+ if self.progress is not None:
+ self.progress('done.', 'main')
+ elif self.verbose:
+ sys.stderr.write('done.\n')
+ return p
+
+
+def normalize_name(name):
+ """Normalize a python package name a la PEP 503"""
+ # https://www.python.org/dev/peps/pep-0503/#normalized-names
+ return re.sub('[-_.]+', '-', name).lower()
+
+# def _get_pypirc_command():
+ # """
+ # Get the distutils command for interacting with PyPI configurations.
+ # :return: the command.
+ # """
+ # from distutils.core import Distribution
+ # from distutils.config import PyPIRCCommand
+ # d = Distribution()
+ # return PyPIRCCommand(d)
+
+class PyPIRCFile(object):
+
+ DEFAULT_REPOSITORY = 'https://upload.pypi.org/legacy/'
+ DEFAULT_REALM = 'pypi'
+
+ def __init__(self, fn=None, url=None):
+ if fn is None:
+ fn = os.path.join(os.path.expanduser('~'), '.pypirc')
+ self.filename = fn
+ self.url = url
+
+ def read(self):
+ result = {}
+
+ if os.path.exists(self.filename):
+ repository = self.url or self.DEFAULT_REPOSITORY
+
+ config = configparser.RawConfigParser()
+ config.read(self.filename)
+ sections = config.sections()
+ if 'distutils' in sections:
+ # let's get the list of servers
+ index_servers = config.get('distutils', 'index-servers')
+ _servers = [server.strip() for server in
+ index_servers.split('\n')
+ if server.strip() != '']
+ if _servers == []:
+ # nothing set, let's try to get the default pypi
+ if 'pypi' in sections:
+ _servers = ['pypi']
+ else:
+ for server in _servers:
+ result = {'server': server}
+ result['username'] = config.get(server, 'username')
+
+ # optional params
+ for key, default in (('repository', self.DEFAULT_REPOSITORY),
+ ('realm', self.DEFAULT_REALM),
+ ('password', None)):
+ if config.has_option(server, key):
+ result[key] = config.get(server, key)
+ else:
+ result[key] = default
+
+ # work around people having "repository" for the "pypi"
+ # section of their config set to the HTTP (rather than
+ # HTTPS) URL
+ if (server == 'pypi' and
+ repository in (self.DEFAULT_REPOSITORY, 'pypi')):
+ result['repository'] = self.DEFAULT_REPOSITORY
+ elif (result['server'] != repository and
+ result['repository'] != repository):
+ result = {}
+ elif 'server-login' in sections:
+ # old format
+ server = 'server-login'
+ if config.has_option(server, 'repository'):
+ repository = config.get(server, 'repository')
+ else:
+ repository = self.DEFAULT_REPOSITORY
+ result = {
+ 'username': config.get(server, 'username'),
+ 'password': config.get(server, 'password'),
+ 'repository': repository,
+ 'server': server,
+ 'realm': self.DEFAULT_REALM
+ }
+ return result
+
+ def update(self, username, password):
+ # import pdb; pdb.set_trace()
+ config = configparser.RawConfigParser()
+ fn = self.filename
+ config.read(fn)
+ if not config.has_section('pypi'):
+ config.add_section('pypi')
+ config.set('pypi', 'username', username)
+ config.set('pypi', 'password', password)
+ with open(fn, 'w') as f:
+ config.write(f)
+
+def _load_pypirc(index):
+ """
+ Read the PyPI access configuration as supported by distutils.
+ """
+ return PyPIRCFile(url=index.url).read()
+
+def _store_pypirc(index):
+ PyPIRCFile().update(index.username, index.password)
+
+#
+# get_platform()/get_host_platform() copied from Python 3.10.a0 source, with some minor
+# tweaks
+#
+
+def get_host_platform():
+ """Return a string that identifies the current platform. This is used mainly to
+ distinguish platform-specific build directories and platform-specific built
+ distributions. Typically includes the OS name and version and the
+ architecture (as supplied by 'os.uname()'), although the exact information
+ included depends on the OS; eg. on Linux, the kernel version isn't
+ particularly important.
+
+ Examples of returned values:
+ linux-i586
+ linux-alpha (?)
+ solaris-2.6-sun4u
+
+ Windows will return one of:
+ win-amd64 (64bit Windows on AMD64 (aka x86_64, Intel64, EM64T, etc)
+ win32 (all others - specifically, sys.platform is returned)
+
+ For other non-POSIX platforms, currently just returns 'sys.platform'.
+
+ """
+ if os.name == 'nt':
+ if 'amd64' in sys.version.lower():
+ return 'win-amd64'
+ if '(arm)' in sys.version.lower():
+ return 'win-arm32'
+ if '(arm64)' in sys.version.lower():
+ return 'win-arm64'
+ return sys.platform
+
+ # Set for cross builds explicitly
+ if "_PYTHON_HOST_PLATFORM" in os.environ:
+ return os.environ["_PYTHON_HOST_PLATFORM"]
+
+ if os.name != 'posix' or not hasattr(os, 'uname'):
+ # XXX what about the architecture? NT is Intel or Alpha,
+ # Mac OS is M68k or PPC, etc.
+ return sys.platform
+
+ # Try to distinguish various flavours of Unix
+
+ (osname, host, release, version, machine) = os.uname()
+
+ # Convert the OS name to lowercase, remove '/' characters, and translate
+ # spaces (for "Power Macintosh")
+ osname = osname.lower().replace('/', '')
+ machine = machine.replace(' ', '_').replace('/', '-')
+
+ if osname[:5] == 'linux':
+ # At least on Linux/Intel, 'machine' is the processor --
+ # i386, etc.
+ # XXX what about Alpha, SPARC, etc?
+ return "%s-%s" % (osname, machine)
+
+ elif osname[:5] == 'sunos':
+ if release[0] >= '5': # SunOS 5 == Solaris 2
+ osname = 'solaris'
+ release = '%d.%s' % (int(release[0]) - 3, release[2:])
+ # We can't use 'platform.architecture()[0]' because a
+ # bootstrap problem. We use a dict to get an error
+ # if some suspicious happens.
+ bitness = {2147483647:'32bit', 9223372036854775807:'64bit'}
+ machine += '.%s' % bitness[sys.maxsize]
+ # fall through to standard osname-release-machine representation
+ elif osname[:3] == 'aix':
+ from _aix_support import aix_platform
+ return aix_platform()
+ elif osname[:6] == 'cygwin':
+ osname = 'cygwin'
+ rel_re = re.compile (r'[\d.]+', re.ASCII)
+ m = rel_re.match(release)
+ if m:
+ release = m.group()
+ elif osname[:6] == 'darwin':
+ import _osx_support, distutils.sysconfig
+ osname, release, machine = _osx_support.get_platform_osx(
+ distutils.sysconfig.get_config_vars(),
+ osname, release, machine)
+
+ return '%s-%s-%s' % (osname, release, machine)
+
+
+_TARGET_TO_PLAT = {
+ 'x86' : 'win32',
+ 'x64' : 'win-amd64',
+ 'arm' : 'win-arm32',
+}
+
+
+def get_platform():
+ if os.name != 'nt':
+ return get_host_platform()
+ cross_compilation_target = os.environ.get('VSCMD_ARG_TGT_ARCH')
+ if cross_compilation_target not in _TARGET_TO_PLAT:
+ return get_host_platform()
+ return _TARGET_TO_PLAT[cross_compilation_target]
diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/version.py b/Scripts/Lib/site-packages/pip/_vendor/distlib/version.py
new file mode 100644
index 0000000..86c069a
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/distlib/version.py
@@ -0,0 +1,739 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2012-2017 The Python Software Foundation.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+"""
+Implementation of a flexible versioning scheme providing support for PEP-440,
+setuptools-compatible and semantic versioning.
+"""
+
+import logging
+import re
+
+from .compat import string_types
+from .util import parse_requirement
+
+__all__ = ['NormalizedVersion', 'NormalizedMatcher',
+ 'LegacyVersion', 'LegacyMatcher',
+ 'SemanticVersion', 'SemanticMatcher',
+ 'UnsupportedVersionError', 'get_scheme']
+
+logger = logging.getLogger(__name__)
+
+
+class UnsupportedVersionError(ValueError):
+ """This is an unsupported version."""
+ pass
+
+
+class Version(object):
+ def __init__(self, s):
+ self._string = s = s.strip()
+ self._parts = parts = self.parse(s)
+ assert isinstance(parts, tuple)
+ assert len(parts) > 0
+
+ def parse(self, s):
+ raise NotImplementedError('please implement in a subclass')
+
+ def _check_compatible(self, other):
+ if type(self) != type(other):
+ raise TypeError('cannot compare %r and %r' % (self, other))
+
+ def __eq__(self, other):
+ self._check_compatible(other)
+ return self._parts == other._parts
+
+ def __ne__(self, other):
+ return not self.__eq__(other)
+
+ def __lt__(self, other):
+ self._check_compatible(other)
+ return self._parts < other._parts
+
+ def __gt__(self, other):
+ return not (self.__lt__(other) or self.__eq__(other))
+
+ def __le__(self, other):
+ return self.__lt__(other) or self.__eq__(other)
+
+ def __ge__(self, other):
+ return self.__gt__(other) or self.__eq__(other)
+
+ # See http://docs.python.org/reference/datamodel#object.__hash__
+ def __hash__(self):
+ return hash(self._parts)
+
+ def __repr__(self):
+ return "%s('%s')" % (self.__class__.__name__, self._string)
+
+ def __str__(self):
+ return self._string
+
+ @property
+ def is_prerelease(self):
+ raise NotImplementedError('Please implement in subclasses.')
+
+
+class Matcher(object):
+ version_class = None
+
+ # value is either a callable or the name of a method
+ _operators = {
+ '<': lambda v, c, p: v < c,
+ '>': lambda v, c, p: v > c,
+ '<=': lambda v, c, p: v == c or v < c,
+ '>=': lambda v, c, p: v == c or v > c,
+ '==': lambda v, c, p: v == c,
+ '===': lambda v, c, p: v == c,
+ # by default, compatible => >=.
+ '~=': lambda v, c, p: v == c or v > c,
+ '!=': lambda v, c, p: v != c,
+ }
+
+ # this is a method only to support alternative implementations
+ # via overriding
+ def parse_requirement(self, s):
+ return parse_requirement(s)
+
+ def __init__(self, s):
+ if self.version_class is None:
+ raise ValueError('Please specify a version class')
+ self._string = s = s.strip()
+ r = self.parse_requirement(s)
+ if not r:
+ raise ValueError('Not valid: %r' % s)
+ self.name = r.name
+ self.key = self.name.lower() # for case-insensitive comparisons
+ clist = []
+ if r.constraints:
+ # import pdb; pdb.set_trace()
+ for op, s in r.constraints:
+ if s.endswith('.*'):
+ if op not in ('==', '!='):
+ raise ValueError('\'.*\' not allowed for '
+ '%r constraints' % op)
+ # Could be a partial version (e.g. for '2.*') which
+ # won't parse as a version, so keep it as a string
+ vn, prefix = s[:-2], True
+ # Just to check that vn is a valid version
+ self.version_class(vn)
+ else:
+ # Should parse as a version, so we can create an
+ # instance for the comparison
+ vn, prefix = self.version_class(s), False
+ clist.append((op, vn, prefix))
+ self._parts = tuple(clist)
+
+ def match(self, version):
+ """
+ Check if the provided version matches the constraints.
+
+ :param version: The version to match against this instance.
+ :type version: String or :class:`Version` instance.
+ """
+ if isinstance(version, string_types):
+ version = self.version_class(version)
+ for operator, constraint, prefix in self._parts:
+ f = self._operators.get(operator)
+ if isinstance(f, string_types):
+ f = getattr(self, f)
+ if not f:
+ msg = ('%r not implemented '
+ 'for %s' % (operator, self.__class__.__name__))
+ raise NotImplementedError(msg)
+ if not f(version, constraint, prefix):
+ return False
+ return True
+
+ @property
+ def exact_version(self):
+ result = None
+ if len(self._parts) == 1 and self._parts[0][0] in ('==', '==='):
+ result = self._parts[0][1]
+ return result
+
+ def _check_compatible(self, other):
+ if type(self) != type(other) or self.name != other.name:
+ raise TypeError('cannot compare %s and %s' % (self, other))
+
+ def __eq__(self, other):
+ self._check_compatible(other)
+ return self.key == other.key and self._parts == other._parts
+
+ def __ne__(self, other):
+ return not self.__eq__(other)
+
+ # See http://docs.python.org/reference/datamodel#object.__hash__
+ def __hash__(self):
+ return hash(self.key) + hash(self._parts)
+
+ def __repr__(self):
+ return "%s(%r)" % (self.__class__.__name__, self._string)
+
+ def __str__(self):
+ return self._string
+
+
+PEP440_VERSION_RE = re.compile(r'^v?(\d+!)?(\d+(\.\d+)*)((a|b|c|rc)(\d+))?'
+ r'(\.(post)(\d+))?(\.(dev)(\d+))?'
+ r'(\+([a-zA-Z\d]+(\.[a-zA-Z\d]+)?))?$')
+
+
+def _pep_440_key(s):
+ s = s.strip()
+ m = PEP440_VERSION_RE.match(s)
+ if not m:
+ raise UnsupportedVersionError('Not a valid version: %s' % s)
+ groups = m.groups()
+ nums = tuple(int(v) for v in groups[1].split('.'))
+ while len(nums) > 1 and nums[-1] == 0:
+ nums = nums[:-1]
+
+ if not groups[0]:
+ epoch = 0
+ else:
+ epoch = int(groups[0])
+ pre = groups[4:6]
+ post = groups[7:9]
+ dev = groups[10:12]
+ local = groups[13]
+ if pre == (None, None):
+ pre = ()
+ else:
+ pre = pre[0], int(pre[1])
+ if post == (None, None):
+ post = ()
+ else:
+ post = post[0], int(post[1])
+ if dev == (None, None):
+ dev = ()
+ else:
+ dev = dev[0], int(dev[1])
+ if local is None:
+ local = ()
+ else:
+ parts = []
+ for part in local.split('.'):
+ # to ensure that numeric compares as > lexicographic, avoid
+ # comparing them directly, but encode a tuple which ensures
+ # correct sorting
+ if part.isdigit():
+ part = (1, int(part))
+ else:
+ part = (0, part)
+ parts.append(part)
+ local = tuple(parts)
+ if not pre:
+ # either before pre-release, or final release and after
+ if not post and dev:
+ # before pre-release
+ pre = ('a', -1) # to sort before a0
+ else:
+ pre = ('z',) # to sort after all pre-releases
+ # now look at the state of post and dev.
+ if not post:
+ post = ('_',) # sort before 'a'
+ if not dev:
+ dev = ('final',)
+
+ #print('%s -> %s' % (s, m.groups()))
+ return epoch, nums, pre, post, dev, local
+
+
+_normalized_key = _pep_440_key
+
+
+class NormalizedVersion(Version):
+ """A rational version.
+
+ Good:
+ 1.2 # equivalent to "1.2.0"
+ 1.2.0
+ 1.2a1
+ 1.2.3a2
+ 1.2.3b1
+ 1.2.3c1
+ 1.2.3.4
+ TODO: fill this out
+
+ Bad:
+ 1 # minimum two numbers
+ 1.2a # release level must have a release serial
+ 1.2.3b
+ """
+ def parse(self, s):
+ result = _normalized_key(s)
+ # _normalized_key loses trailing zeroes in the release
+ # clause, since that's needed to ensure that X.Y == X.Y.0 == X.Y.0.0
+ # However, PEP 440 prefix matching needs it: for example,
+ # (~= 1.4.5.0) matches differently to (~= 1.4.5.0.0).
+ m = PEP440_VERSION_RE.match(s) # must succeed
+ groups = m.groups()
+ self._release_clause = tuple(int(v) for v in groups[1].split('.'))
+ return result
+
+ PREREL_TAGS = set(['a', 'b', 'c', 'rc', 'dev'])
+
+ @property
+ def is_prerelease(self):
+ return any(t[0] in self.PREREL_TAGS for t in self._parts if t)
+
+
+def _match_prefix(x, y):
+ x = str(x)
+ y = str(y)
+ if x == y:
+ return True
+ if not x.startswith(y):
+ return False
+ n = len(y)
+ return x[n] == '.'
+
+
+class NormalizedMatcher(Matcher):
+ version_class = NormalizedVersion
+
+ # value is either a callable or the name of a method
+ _operators = {
+ '~=': '_match_compatible',
+ '<': '_match_lt',
+ '>': '_match_gt',
+ '<=': '_match_le',
+ '>=': '_match_ge',
+ '==': '_match_eq',
+ '===': '_match_arbitrary',
+ '!=': '_match_ne',
+ }
+
+ def _adjust_local(self, version, constraint, prefix):
+ if prefix:
+ strip_local = '+' not in constraint and version._parts[-1]
+ else:
+ # both constraint and version are
+ # NormalizedVersion instances.
+ # If constraint does not have a local component,
+ # ensure the version doesn't, either.
+ strip_local = not constraint._parts[-1] and version._parts[-1]
+ if strip_local:
+ s = version._string.split('+', 1)[0]
+ version = self.version_class(s)
+ return version, constraint
+
+ def _match_lt(self, version, constraint, prefix):
+ version, constraint = self._adjust_local(version, constraint, prefix)
+ if version >= constraint:
+ return False
+ release_clause = constraint._release_clause
+ pfx = '.'.join([str(i) for i in release_clause])
+ return not _match_prefix(version, pfx)
+
+ def _match_gt(self, version, constraint, prefix):
+ version, constraint = self._adjust_local(version, constraint, prefix)
+ if version <= constraint:
+ return False
+ release_clause = constraint._release_clause
+ pfx = '.'.join([str(i) for i in release_clause])
+ return not _match_prefix(version, pfx)
+
+ def _match_le(self, version, constraint, prefix):
+ version, constraint = self._adjust_local(version, constraint, prefix)
+ return version <= constraint
+
+ def _match_ge(self, version, constraint, prefix):
+ version, constraint = self._adjust_local(version, constraint, prefix)
+ return version >= constraint
+
+ def _match_eq(self, version, constraint, prefix):
+ version, constraint = self._adjust_local(version, constraint, prefix)
+ if not prefix:
+ result = (version == constraint)
+ else:
+ result = _match_prefix(version, constraint)
+ return result
+
+ def _match_arbitrary(self, version, constraint, prefix):
+ return str(version) == str(constraint)
+
+ def _match_ne(self, version, constraint, prefix):
+ version, constraint = self._adjust_local(version, constraint, prefix)
+ if not prefix:
+ result = (version != constraint)
+ else:
+ result = not _match_prefix(version, constraint)
+ return result
+
+ def _match_compatible(self, version, constraint, prefix):
+ version, constraint = self._adjust_local(version, constraint, prefix)
+ if version == constraint:
+ return True
+ if version < constraint:
+ return False
+# if not prefix:
+# return True
+ release_clause = constraint._release_clause
+ if len(release_clause) > 1:
+ release_clause = release_clause[:-1]
+ pfx = '.'.join([str(i) for i in release_clause])
+ return _match_prefix(version, pfx)
+
+_REPLACEMENTS = (
+ (re.compile('[.+-]$'), ''), # remove trailing puncts
+ (re.compile(r'^[.](\d)'), r'0.\1'), # .N -> 0.N at start
+ (re.compile('^[.-]'), ''), # remove leading puncts
+ (re.compile(r'^\((.*)\)$'), r'\1'), # remove parentheses
+ (re.compile(r'^v(ersion)?\s*(\d+)'), r'\2'), # remove leading v(ersion)
+ (re.compile(r'^r(ev)?\s*(\d+)'), r'\2'), # remove leading v(ersion)
+ (re.compile('[.]{2,}'), '.'), # multiple runs of '.'
+ (re.compile(r'\b(alfa|apha)\b'), 'alpha'), # misspelt alpha
+ (re.compile(r'\b(pre-alpha|prealpha)\b'),
+ 'pre.alpha'), # standardise
+ (re.compile(r'\(beta\)$'), 'beta'), # remove parentheses
+)
+
+_SUFFIX_REPLACEMENTS = (
+ (re.compile('^[:~._+-]+'), ''), # remove leading puncts
+ (re.compile('[,*")([\\]]'), ''), # remove unwanted chars
+ (re.compile('[~:+_ -]'), '.'), # replace illegal chars
+ (re.compile('[.]{2,}'), '.'), # multiple runs of '.'
+ (re.compile(r'\.$'), ''), # trailing '.'
+)
+
+_NUMERIC_PREFIX = re.compile(r'(\d+(\.\d+)*)')
+
+
+def _suggest_semantic_version(s):
+ """
+ Try to suggest a semantic form for a version for which
+ _suggest_normalized_version couldn't come up with anything.
+ """
+ result = s.strip().lower()
+ for pat, repl in _REPLACEMENTS:
+ result = pat.sub(repl, result)
+ if not result:
+ result = '0.0.0'
+
+ # Now look for numeric prefix, and separate it out from
+ # the rest.
+ #import pdb; pdb.set_trace()
+ m = _NUMERIC_PREFIX.match(result)
+ if not m:
+ prefix = '0.0.0'
+ suffix = result
+ else:
+ prefix = m.groups()[0].split('.')
+ prefix = [int(i) for i in prefix]
+ while len(prefix) < 3:
+ prefix.append(0)
+ if len(prefix) == 3:
+ suffix = result[m.end():]
+ else:
+ suffix = '.'.join([str(i) for i in prefix[3:]]) + result[m.end():]
+ prefix = prefix[:3]
+ prefix = '.'.join([str(i) for i in prefix])
+ suffix = suffix.strip()
+ if suffix:
+ #import pdb; pdb.set_trace()
+ # massage the suffix.
+ for pat, repl in _SUFFIX_REPLACEMENTS:
+ suffix = pat.sub(repl, suffix)
+
+ if not suffix:
+ result = prefix
+ else:
+ sep = '-' if 'dev' in suffix else '+'
+ result = prefix + sep + suffix
+ if not is_semver(result):
+ result = None
+ return result
+
+
+def _suggest_normalized_version(s):
+ """Suggest a normalized version close to the given version string.
+
+ If you have a version string that isn't rational (i.e. NormalizedVersion
+ doesn't like it) then you might be able to get an equivalent (or close)
+ rational version from this function.
+
+ This does a number of simple normalizations to the given string, based
+ on observation of versions currently in use on PyPI. Given a dump of
+ those version during PyCon 2009, 4287 of them:
+ - 2312 (53.93%) match NormalizedVersion without change
+ with the automatic suggestion
+ - 3474 (81.04%) match when using this suggestion method
+
+ @param s {str} An irrational version string.
+ @returns A rational version string, or None, if couldn't determine one.
+ """
+ try:
+ _normalized_key(s)
+ return s # already rational
+ except UnsupportedVersionError:
+ pass
+
+ rs = s.lower()
+
+ # part of this could use maketrans
+ for orig, repl in (('-alpha', 'a'), ('-beta', 'b'), ('alpha', 'a'),
+ ('beta', 'b'), ('rc', 'c'), ('-final', ''),
+ ('-pre', 'c'),
+ ('-release', ''), ('.release', ''), ('-stable', ''),
+ ('+', '.'), ('_', '.'), (' ', ''), ('.final', ''),
+ ('final', '')):
+ rs = rs.replace(orig, repl)
+
+ # if something ends with dev or pre, we add a 0
+ rs = re.sub(r"pre$", r"pre0", rs)
+ rs = re.sub(r"dev$", r"dev0", rs)
+
+ # if we have something like "b-2" or "a.2" at the end of the
+ # version, that is probably beta, alpha, etc
+ # let's remove the dash or dot
+ rs = re.sub(r"([abc]|rc)[\-\.](\d+)$", r"\1\2", rs)
+
+ # 1.0-dev-r371 -> 1.0.dev371
+ # 0.1-dev-r79 -> 0.1.dev79
+ rs = re.sub(r"[\-\.](dev)[\-\.]?r?(\d+)$", r".\1\2", rs)
+
+ # Clean: 2.0.a.3, 2.0.b1, 0.9.0~c1
+ rs = re.sub(r"[.~]?([abc])\.?", r"\1", rs)
+
+ # Clean: v0.3, v1.0
+ if rs.startswith('v'):
+ rs = rs[1:]
+
+ # Clean leading '0's on numbers.
+ #TODO: unintended side-effect on, e.g., "2003.05.09"
+ # PyPI stats: 77 (~2%) better
+ rs = re.sub(r"\b0+(\d+)(?!\d)", r"\1", rs)
+
+ # Clean a/b/c with no version. E.g. "1.0a" -> "1.0a0". Setuptools infers
+ # zero.
+ # PyPI stats: 245 (7.56%) better
+ rs = re.sub(r"(\d+[abc])$", r"\g<1>0", rs)
+
+ # the 'dev-rNNN' tag is a dev tag
+ rs = re.sub(r"\.?(dev-r|dev\.r)\.?(\d+)$", r".dev\2", rs)
+
+ # clean the - when used as a pre delimiter
+ rs = re.sub(r"-(a|b|c)(\d+)$", r"\1\2", rs)
+
+ # a terminal "dev" or "devel" can be changed into ".dev0"
+ rs = re.sub(r"[\.\-](dev|devel)$", r".dev0", rs)
+
+ # a terminal "dev" can be changed into ".dev0"
+ rs = re.sub(r"(?![\.\-])dev$", r".dev0", rs)
+
+ # a terminal "final" or "stable" can be removed
+ rs = re.sub(r"(final|stable)$", "", rs)
+
+ # The 'r' and the '-' tags are post release tags
+ # 0.4a1.r10 -> 0.4a1.post10
+ # 0.9.33-17222 -> 0.9.33.post17222
+ # 0.9.33-r17222 -> 0.9.33.post17222
+ rs = re.sub(r"\.?(r|-|-r)\.?(\d+)$", r".post\2", rs)
+
+ # Clean 'r' instead of 'dev' usage:
+ # 0.9.33+r17222 -> 0.9.33.dev17222
+ # 1.0dev123 -> 1.0.dev123
+ # 1.0.git123 -> 1.0.dev123
+ # 1.0.bzr123 -> 1.0.dev123
+ # 0.1a0dev.123 -> 0.1a0.dev123
+ # PyPI stats: ~150 (~4%) better
+ rs = re.sub(r"\.?(dev|git|bzr)\.?(\d+)$", r".dev\2", rs)
+
+ # Clean '.pre' (normalized from '-pre' above) instead of 'c' usage:
+ # 0.2.pre1 -> 0.2c1
+ # 0.2-c1 -> 0.2c1
+ # 1.0preview123 -> 1.0c123
+ # PyPI stats: ~21 (0.62%) better
+ rs = re.sub(r"\.?(pre|preview|-c)(\d+)$", r"c\g<2>", rs)
+
+ # Tcl/Tk uses "px" for their post release markers
+ rs = re.sub(r"p(\d+)$", r".post\1", rs)
+
+ try:
+ _normalized_key(rs)
+ except UnsupportedVersionError:
+ rs = None
+ return rs
+
+#
+# Legacy version processing (distribute-compatible)
+#
+
+_VERSION_PART = re.compile(r'([a-z]+|\d+|[\.-])', re.I)
+_VERSION_REPLACE = {
+ 'pre': 'c',
+ 'preview': 'c',
+ '-': 'final-',
+ 'rc': 'c',
+ 'dev': '@',
+ '': None,
+ '.': None,
+}
+
+
+def _legacy_key(s):
+ def get_parts(s):
+ result = []
+ for p in _VERSION_PART.split(s.lower()):
+ p = _VERSION_REPLACE.get(p, p)
+ if p:
+ if '0' <= p[:1] <= '9':
+ p = p.zfill(8)
+ else:
+ p = '*' + p
+ result.append(p)
+ result.append('*final')
+ return result
+
+ result = []
+ for p in get_parts(s):
+ if p.startswith('*'):
+ if p < '*final':
+ while result and result[-1] == '*final-':
+ result.pop()
+ while result and result[-1] == '00000000':
+ result.pop()
+ result.append(p)
+ return tuple(result)
+
+
+class LegacyVersion(Version):
+ def parse(self, s):
+ return _legacy_key(s)
+
+ @property
+ def is_prerelease(self):
+ result = False
+ for x in self._parts:
+ if (isinstance(x, string_types) and x.startswith('*') and
+ x < '*final'):
+ result = True
+ break
+ return result
+
+
+class LegacyMatcher(Matcher):
+ version_class = LegacyVersion
+
+ _operators = dict(Matcher._operators)
+ _operators['~='] = '_match_compatible'
+
+ numeric_re = re.compile(r'^(\d+(\.\d+)*)')
+
+ def _match_compatible(self, version, constraint, prefix):
+ if version < constraint:
+ return False
+ m = self.numeric_re.match(str(constraint))
+ if not m:
+ logger.warning('Cannot compute compatible match for version %s '
+ ' and constraint %s', version, constraint)
+ return True
+ s = m.groups()[0]
+ if '.' in s:
+ s = s.rsplit('.', 1)[0]
+ return _match_prefix(version, s)
+
+#
+# Semantic versioning
+#
+
+_SEMVER_RE = re.compile(r'^(\d+)\.(\d+)\.(\d+)'
+ r'(-[a-z0-9]+(\.[a-z0-9-]+)*)?'
+ r'(\+[a-z0-9]+(\.[a-z0-9-]+)*)?$', re.I)
+
+
+def is_semver(s):
+ return _SEMVER_RE.match(s)
+
+
+def _semantic_key(s):
+ def make_tuple(s, absent):
+ if s is None:
+ result = (absent,)
+ else:
+ parts = s[1:].split('.')
+ # We can't compare ints and strings on Python 3, so fudge it
+ # by zero-filling numeric values so simulate a numeric comparison
+ result = tuple([p.zfill(8) if p.isdigit() else p for p in parts])
+ return result
+
+ m = is_semver(s)
+ if not m:
+ raise UnsupportedVersionError(s)
+ groups = m.groups()
+ major, minor, patch = [int(i) for i in groups[:3]]
+ # choose the '|' and '*' so that versions sort correctly
+ pre, build = make_tuple(groups[3], '|'), make_tuple(groups[5], '*')
+ return (major, minor, patch), pre, build
+
+
+class SemanticVersion(Version):
+ def parse(self, s):
+ return _semantic_key(s)
+
+ @property
+ def is_prerelease(self):
+ return self._parts[1][0] != '|'
+
+
+class SemanticMatcher(Matcher):
+ version_class = SemanticVersion
+
+
+class VersionScheme(object):
+ def __init__(self, key, matcher, suggester=None):
+ self.key = key
+ self.matcher = matcher
+ self.suggester = suggester
+
+ def is_valid_version(self, s):
+ try:
+ self.matcher.version_class(s)
+ result = True
+ except UnsupportedVersionError:
+ result = False
+ return result
+
+ def is_valid_matcher(self, s):
+ try:
+ self.matcher(s)
+ result = True
+ except UnsupportedVersionError:
+ result = False
+ return result
+
+ def is_valid_constraint_list(self, s):
+ """
+ Used for processing some metadata fields
+ """
+ # See issue #140. Be tolerant of a single trailing comma.
+ if s.endswith(','):
+ s = s[:-1]
+ return self.is_valid_matcher('dummy_name (%s)' % s)
+
+ def suggest(self, s):
+ if self.suggester is None:
+ result = None
+ else:
+ result = self.suggester(s)
+ return result
+
+_SCHEMES = {
+ 'normalized': VersionScheme(_normalized_key, NormalizedMatcher,
+ _suggest_normalized_version),
+ 'legacy': VersionScheme(_legacy_key, LegacyMatcher, lambda self, s: s),
+ 'semantic': VersionScheme(_semantic_key, SemanticMatcher,
+ _suggest_semantic_version),
+}
+
+_SCHEMES['default'] = _SCHEMES['normalized']
+
+
+def get_scheme(name):
+ if name not in _SCHEMES:
+ raise ValueError('unknown scheme name: %r' % name)
+ return _SCHEMES[name]
diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/w32.exe b/Scripts/Lib/site-packages/pip/_vendor/distlib/w32.exe
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diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/w64.exe b/Scripts/Lib/site-packages/pip/_vendor/distlib/w64.exe
new file mode 100644
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diff --git a/Scripts/Lib/site-packages/pip/_vendor/distlib/wheel.py b/Scripts/Lib/site-packages/pip/_vendor/distlib/wheel.py
new file mode 100644
index 0000000..5262c83
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/distlib/wheel.py
@@ -0,0 +1,1056 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2013-2020 Vinay Sajip.
+# Licensed to the Python Software Foundation under a contributor agreement.
+# See LICENSE.txt and CONTRIBUTORS.txt.
+#
+from __future__ import unicode_literals
+
+import base64
+import codecs
+import datetime
+from email import message_from_file
+import hashlib
+import imp
+import json
+import logging
+import os
+import posixpath
+import re
+import shutil
+import sys
+import tempfile
+import zipfile
+
+from . import __version__, DistlibException
+from .compat import sysconfig, ZipFile, fsdecode, text_type, filter
+from .database import InstalledDistribution
+from .metadata import (Metadata, METADATA_FILENAME, WHEEL_METADATA_FILENAME,
+ LEGACY_METADATA_FILENAME)
+from .util import (FileOperator, convert_path, CSVReader, CSVWriter, Cache,
+ cached_property, get_cache_base, read_exports, tempdir,
+ get_platform)
+from .version import NormalizedVersion, UnsupportedVersionError
+
+logger = logging.getLogger(__name__)
+
+cache = None # created when needed
+
+if hasattr(sys, 'pypy_version_info'): # pragma: no cover
+ IMP_PREFIX = 'pp'
+elif sys.platform.startswith('java'): # pragma: no cover
+ IMP_PREFIX = 'jy'
+elif sys.platform == 'cli': # pragma: no cover
+ IMP_PREFIX = 'ip'
+else:
+ IMP_PREFIX = 'cp'
+
+VER_SUFFIX = sysconfig.get_config_var('py_version_nodot')
+if not VER_SUFFIX: # pragma: no cover
+ if sys.version_info[1] >= 10:
+ VER_SUFFIX = '%s_%s' % sys.version_info[:2] # PEP 641 (draft)
+ else:
+ VER_SUFFIX = '%s%s' % sys.version_info[:2]
+PYVER = 'py' + VER_SUFFIX
+IMPVER = IMP_PREFIX + VER_SUFFIX
+
+ARCH = get_platform().replace('-', '_').replace('.', '_')
+
+ABI = sysconfig.get_config_var('SOABI')
+if ABI and ABI.startswith('cpython-'):
+ ABI = ABI.replace('cpython-', 'cp').split('-')[0]
+else:
+ def _derive_abi():
+ parts = ['cp', VER_SUFFIX]
+ if sysconfig.get_config_var('Py_DEBUG'):
+ parts.append('d')
+ if sysconfig.get_config_var('WITH_PYMALLOC'):
+ parts.append('m')
+ if sysconfig.get_config_var('Py_UNICODE_SIZE') == 4:
+ parts.append('u')
+ return ''.join(parts)
+ ABI = _derive_abi()
+ del _derive_abi
+
+FILENAME_RE = re.compile(r'''
+(?P[^-]+)
+-(?P\d+[^-]*)
+(-(?P\d+[^-]*))?
+-(?P\w+\d+(\.\w+\d+)*)
+-(?P\w+)
+-(?P\w+(\.\w+)*)
+\.whl$
+''', re.IGNORECASE | re.VERBOSE)
+
+NAME_VERSION_RE = re.compile(r'''
+(?P[^-]+)
+-(?P\d+[^-]*)
+(-(?P\d+[^-]*))?$
+''', re.IGNORECASE | re.VERBOSE)
+
+SHEBANG_RE = re.compile(br'\s*#![^\r\n]*')
+SHEBANG_DETAIL_RE = re.compile(br'^(\s*#!("[^"]+"|\S+))\s+(.*)$')
+SHEBANG_PYTHON = b'#!python'
+SHEBANG_PYTHONW = b'#!pythonw'
+
+if os.sep == '/':
+ to_posix = lambda o: o
+else:
+ to_posix = lambda o: o.replace(os.sep, '/')
+
+
+class Mounter(object):
+ def __init__(self):
+ self.impure_wheels = {}
+ self.libs = {}
+
+ def add(self, pathname, extensions):
+ self.impure_wheels[pathname] = extensions
+ self.libs.update(extensions)
+
+ def remove(self, pathname):
+ extensions = self.impure_wheels.pop(pathname)
+ for k, v in extensions:
+ if k in self.libs:
+ del self.libs[k]
+
+ def find_module(self, fullname, path=None):
+ if fullname in self.libs:
+ result = self
+ else:
+ result = None
+ return result
+
+ def load_module(self, fullname):
+ if fullname in sys.modules:
+ result = sys.modules[fullname]
+ else:
+ if fullname not in self.libs:
+ raise ImportError('unable to find extension for %s' % fullname)
+ result = imp.load_dynamic(fullname, self.libs[fullname])
+ result.__loader__ = self
+ parts = fullname.rsplit('.', 1)
+ if len(parts) > 1:
+ result.__package__ = parts[0]
+ return result
+
+_hook = Mounter()
+
+
+class Wheel(object):
+ """
+ Class to build and install from Wheel files (PEP 427).
+ """
+
+ wheel_version = (1, 1)
+ hash_kind = 'sha256'
+
+ def __init__(self, filename=None, sign=False, verify=False):
+ """
+ Initialise an instance using a (valid) filename.
+ """
+ self.sign = sign
+ self.should_verify = verify
+ self.buildver = ''
+ self.pyver = [PYVER]
+ self.abi = ['none']
+ self.arch = ['any']
+ self.dirname = os.getcwd()
+ if filename is None:
+ self.name = 'dummy'
+ self.version = '0.1'
+ self._filename = self.filename
+ else:
+ m = NAME_VERSION_RE.match(filename)
+ if m:
+ info = m.groupdict('')
+ self.name = info['nm']
+ # Reinstate the local version separator
+ self.version = info['vn'].replace('_', '-')
+ self.buildver = info['bn']
+ self._filename = self.filename
+ else:
+ dirname, filename = os.path.split(filename)
+ m = FILENAME_RE.match(filename)
+ if not m:
+ raise DistlibException('Invalid name or '
+ 'filename: %r' % filename)
+ if dirname:
+ self.dirname = os.path.abspath(dirname)
+ self._filename = filename
+ info = m.groupdict('')
+ self.name = info['nm']
+ self.version = info['vn']
+ self.buildver = info['bn']
+ self.pyver = info['py'].split('.')
+ self.abi = info['bi'].split('.')
+ self.arch = info['ar'].split('.')
+
+ @property
+ def filename(self):
+ """
+ Build and return a filename from the various components.
+ """
+ if self.buildver:
+ buildver = '-' + self.buildver
+ else:
+ buildver = ''
+ pyver = '.'.join(self.pyver)
+ abi = '.'.join(self.abi)
+ arch = '.'.join(self.arch)
+ # replace - with _ as a local version separator
+ version = self.version.replace('-', '_')
+ return '%s-%s%s-%s-%s-%s.whl' % (self.name, version, buildver,
+ pyver, abi, arch)
+
+ @property
+ def exists(self):
+ path = os.path.join(self.dirname, self.filename)
+ return os.path.isfile(path)
+
+ @property
+ def tags(self):
+ for pyver in self.pyver:
+ for abi in self.abi:
+ for arch in self.arch:
+ yield pyver, abi, arch
+
+ @cached_property
+ def metadata(self):
+ pathname = os.path.join(self.dirname, self.filename)
+ name_ver = '%s-%s' % (self.name, self.version)
+ info_dir = '%s.dist-info' % name_ver
+ wrapper = codecs.getreader('utf-8')
+ with ZipFile(pathname, 'r') as zf:
+ wheel_metadata = self.get_wheel_metadata(zf)
+ wv = wheel_metadata['Wheel-Version'].split('.', 1)
+ file_version = tuple([int(i) for i in wv])
+ # if file_version < (1, 1):
+ # fns = [WHEEL_METADATA_FILENAME, METADATA_FILENAME,
+ # LEGACY_METADATA_FILENAME]
+ # else:
+ # fns = [WHEEL_METADATA_FILENAME, METADATA_FILENAME]
+ fns = [WHEEL_METADATA_FILENAME, LEGACY_METADATA_FILENAME]
+ result = None
+ for fn in fns:
+ try:
+ metadata_filename = posixpath.join(info_dir, fn)
+ with zf.open(metadata_filename) as bf:
+ wf = wrapper(bf)
+ result = Metadata(fileobj=wf)
+ if result:
+ break
+ except KeyError:
+ pass
+ if not result:
+ raise ValueError('Invalid wheel, because metadata is '
+ 'missing: looked in %s' % ', '.join(fns))
+ return result
+
+ def get_wheel_metadata(self, zf):
+ name_ver = '%s-%s' % (self.name, self.version)
+ info_dir = '%s.dist-info' % name_ver
+ metadata_filename = posixpath.join(info_dir, 'WHEEL')
+ with zf.open(metadata_filename) as bf:
+ wf = codecs.getreader('utf-8')(bf)
+ message = message_from_file(wf)
+ return dict(message)
+
+ @cached_property
+ def info(self):
+ pathname = os.path.join(self.dirname, self.filename)
+ with ZipFile(pathname, 'r') as zf:
+ result = self.get_wheel_metadata(zf)
+ return result
+
+ def process_shebang(self, data):
+ m = SHEBANG_RE.match(data)
+ if m:
+ end = m.end()
+ shebang, data_after_shebang = data[:end], data[end:]
+ # Preserve any arguments after the interpreter
+ if b'pythonw' in shebang.lower():
+ shebang_python = SHEBANG_PYTHONW
+ else:
+ shebang_python = SHEBANG_PYTHON
+ m = SHEBANG_DETAIL_RE.match(shebang)
+ if m:
+ args = b' ' + m.groups()[-1]
+ else:
+ args = b''
+ shebang = shebang_python + args
+ data = shebang + data_after_shebang
+ else:
+ cr = data.find(b'\r')
+ lf = data.find(b'\n')
+ if cr < 0 or cr > lf:
+ term = b'\n'
+ else:
+ if data[cr:cr + 2] == b'\r\n':
+ term = b'\r\n'
+ else:
+ term = b'\r'
+ data = SHEBANG_PYTHON + term + data
+ return data
+
+ def get_hash(self, data, hash_kind=None):
+ if hash_kind is None:
+ hash_kind = self.hash_kind
+ try:
+ hasher = getattr(hashlib, hash_kind)
+ except AttributeError:
+ raise DistlibException('Unsupported hash algorithm: %r' % hash_kind)
+ result = hasher(data).digest()
+ result = base64.urlsafe_b64encode(result).rstrip(b'=').decode('ascii')
+ return hash_kind, result
+
+ def write_record(self, records, record_path, base):
+ records = list(records) # make a copy, as mutated
+ p = to_posix(os.path.relpath(record_path, base))
+ records.append((p, '', ''))
+ with CSVWriter(record_path) as writer:
+ for row in records:
+ writer.writerow(row)
+
+ def write_records(self, info, libdir, archive_paths):
+ records = []
+ distinfo, info_dir = info
+ hasher = getattr(hashlib, self.hash_kind)
+ for ap, p in archive_paths:
+ with open(p, 'rb') as f:
+ data = f.read()
+ digest = '%s=%s' % self.get_hash(data)
+ size = os.path.getsize(p)
+ records.append((ap, digest, size))
+
+ p = os.path.join(distinfo, 'RECORD')
+ self.write_record(records, p, libdir)
+ ap = to_posix(os.path.join(info_dir, 'RECORD'))
+ archive_paths.append((ap, p))
+
+ def build_zip(self, pathname, archive_paths):
+ with ZipFile(pathname, 'w', zipfile.ZIP_DEFLATED) as zf:
+ for ap, p in archive_paths:
+ logger.debug('Wrote %s to %s in wheel', p, ap)
+ zf.write(p, ap)
+
+ def build(self, paths, tags=None, wheel_version=None):
+ """
+ Build a wheel from files in specified paths, and use any specified tags
+ when determining the name of the wheel.
+ """
+ if tags is None:
+ tags = {}
+
+ libkey = list(filter(lambda o: o in paths, ('purelib', 'platlib')))[0]
+ if libkey == 'platlib':
+ is_pure = 'false'
+ default_pyver = [IMPVER]
+ default_abi = [ABI]
+ default_arch = [ARCH]
+ else:
+ is_pure = 'true'
+ default_pyver = [PYVER]
+ default_abi = ['none']
+ default_arch = ['any']
+
+ self.pyver = tags.get('pyver', default_pyver)
+ self.abi = tags.get('abi', default_abi)
+ self.arch = tags.get('arch', default_arch)
+
+ libdir = paths[libkey]
+
+ name_ver = '%s-%s' % (self.name, self.version)
+ data_dir = '%s.data' % name_ver
+ info_dir = '%s.dist-info' % name_ver
+
+ archive_paths = []
+
+ # First, stuff which is not in site-packages
+ for key in ('data', 'headers', 'scripts'):
+ if key not in paths:
+ continue
+ path = paths[key]
+ if os.path.isdir(path):
+ for root, dirs, files in os.walk(path):
+ for fn in files:
+ p = fsdecode(os.path.join(root, fn))
+ rp = os.path.relpath(p, path)
+ ap = to_posix(os.path.join(data_dir, key, rp))
+ archive_paths.append((ap, p))
+ if key == 'scripts' and not p.endswith('.exe'):
+ with open(p, 'rb') as f:
+ data = f.read()
+ data = self.process_shebang(data)
+ with open(p, 'wb') as f:
+ f.write(data)
+
+ # Now, stuff which is in site-packages, other than the
+ # distinfo stuff.
+ path = libdir
+ distinfo = None
+ for root, dirs, files in os.walk(path):
+ if root == path:
+ # At the top level only, save distinfo for later
+ # and skip it for now
+ for i, dn in enumerate(dirs):
+ dn = fsdecode(dn)
+ if dn.endswith('.dist-info'):
+ distinfo = os.path.join(root, dn)
+ del dirs[i]
+ break
+ assert distinfo, '.dist-info directory expected, not found'
+
+ for fn in files:
+ # comment out next suite to leave .pyc files in
+ if fsdecode(fn).endswith(('.pyc', '.pyo')):
+ continue
+ p = os.path.join(root, fn)
+ rp = to_posix(os.path.relpath(p, path))
+ archive_paths.append((rp, p))
+
+ # Now distinfo. Assumed to be flat, i.e. os.listdir is enough.
+ files = os.listdir(distinfo)
+ for fn in files:
+ if fn not in ('RECORD', 'INSTALLER', 'SHARED', 'WHEEL'):
+ p = fsdecode(os.path.join(distinfo, fn))
+ ap = to_posix(os.path.join(info_dir, fn))
+ archive_paths.append((ap, p))
+
+ wheel_metadata = [
+ 'Wheel-Version: %d.%d' % (wheel_version or self.wheel_version),
+ 'Generator: distlib %s' % __version__,
+ 'Root-Is-Purelib: %s' % is_pure,
+ ]
+ for pyver, abi, arch in self.tags:
+ wheel_metadata.append('Tag: %s-%s-%s' % (pyver, abi, arch))
+ p = os.path.join(distinfo, 'WHEEL')
+ with open(p, 'w') as f:
+ f.write('\n'.join(wheel_metadata))
+ ap = to_posix(os.path.join(info_dir, 'WHEEL'))
+ archive_paths.append((ap, p))
+
+ # sort the entries by archive path. Not needed by any spec, but it
+ # keeps the archive listing and RECORD tidier than they would otherwise
+ # be. Use the number of path segments to keep directory entries together,
+ # and keep the dist-info stuff at the end.
+ def sorter(t):
+ ap = t[0]
+ n = ap.count('/')
+ if '.dist-info' in ap:
+ n += 10000
+ return (n, ap)
+ archive_paths = sorted(archive_paths, key=sorter)
+
+ # Now, at last, RECORD.
+ # Paths in here are archive paths - nothing else makes sense.
+ self.write_records((distinfo, info_dir), libdir, archive_paths)
+ # Now, ready to build the zip file
+ pathname = os.path.join(self.dirname, self.filename)
+ self.build_zip(pathname, archive_paths)
+ return pathname
+
+ def skip_entry(self, arcname):
+ """
+ Determine whether an archive entry should be skipped when verifying
+ or installing.
+ """
+ # The signature file won't be in RECORD,
+ # and we don't currently don't do anything with it
+ # We also skip directories, as they won't be in RECORD
+ # either. See:
+ #
+ # https://github.com/pypa/wheel/issues/294
+ # https://github.com/pypa/wheel/issues/287
+ # https://github.com/pypa/wheel/pull/289
+ #
+ return arcname.endswith(('/', '/RECORD.jws'))
+
+ def install(self, paths, maker, **kwargs):
+ """
+ Install a wheel to the specified paths. If kwarg ``warner`` is
+ specified, it should be a callable, which will be called with two
+ tuples indicating the wheel version of this software and the wheel
+ version in the file, if there is a discrepancy in the versions.
+ This can be used to issue any warnings to raise any exceptions.
+ If kwarg ``lib_only`` is True, only the purelib/platlib files are
+ installed, and the headers, scripts, data and dist-info metadata are
+ not written. If kwarg ``bytecode_hashed_invalidation`` is True, written
+ bytecode will try to use file-hash based invalidation (PEP-552) on
+ supported interpreter versions (CPython 2.7+).
+
+ The return value is a :class:`InstalledDistribution` instance unless
+ ``options.lib_only`` is True, in which case the return value is ``None``.
+ """
+
+ dry_run = maker.dry_run
+ warner = kwargs.get('warner')
+ lib_only = kwargs.get('lib_only', False)
+ bc_hashed_invalidation = kwargs.get('bytecode_hashed_invalidation', False)
+
+ pathname = os.path.join(self.dirname, self.filename)
+ name_ver = '%s-%s' % (self.name, self.version)
+ data_dir = '%s.data' % name_ver
+ info_dir = '%s.dist-info' % name_ver
+
+ metadata_name = posixpath.join(info_dir, LEGACY_METADATA_FILENAME)
+ wheel_metadata_name = posixpath.join(info_dir, 'WHEEL')
+ record_name = posixpath.join(info_dir, 'RECORD')
+
+ wrapper = codecs.getreader('utf-8')
+
+ with ZipFile(pathname, 'r') as zf:
+ with zf.open(wheel_metadata_name) as bwf:
+ wf = wrapper(bwf)
+ message = message_from_file(wf)
+ wv = message['Wheel-Version'].split('.', 1)
+ file_version = tuple([int(i) for i in wv])
+ if (file_version != self.wheel_version) and warner:
+ warner(self.wheel_version, file_version)
+
+ if message['Root-Is-Purelib'] == 'true':
+ libdir = paths['purelib']
+ else:
+ libdir = paths['platlib']
+
+ records = {}
+ with zf.open(record_name) as bf:
+ with CSVReader(stream=bf) as reader:
+ for row in reader:
+ p = row[0]
+ records[p] = row
+
+ data_pfx = posixpath.join(data_dir, '')
+ info_pfx = posixpath.join(info_dir, '')
+ script_pfx = posixpath.join(data_dir, 'scripts', '')
+
+ # make a new instance rather than a copy of maker's,
+ # as we mutate it
+ fileop = FileOperator(dry_run=dry_run)
+ fileop.record = True # so we can rollback if needed
+
+ bc = not sys.dont_write_bytecode # Double negatives. Lovely!
+
+ outfiles = [] # for RECORD writing
+
+ # for script copying/shebang processing
+ workdir = tempfile.mkdtemp()
+ # set target dir later
+ # we default add_launchers to False, as the
+ # Python Launcher should be used instead
+ maker.source_dir = workdir
+ maker.target_dir = None
+ try:
+ for zinfo in zf.infolist():
+ arcname = zinfo.filename
+ if isinstance(arcname, text_type):
+ u_arcname = arcname
+ else:
+ u_arcname = arcname.decode('utf-8')
+ if self.skip_entry(u_arcname):
+ continue
+ row = records[u_arcname]
+ if row[2] and str(zinfo.file_size) != row[2]:
+ raise DistlibException('size mismatch for '
+ '%s' % u_arcname)
+ if row[1]:
+ kind, value = row[1].split('=', 1)
+ with zf.open(arcname) as bf:
+ data = bf.read()
+ _, digest = self.get_hash(data, kind)
+ if digest != value:
+ raise DistlibException('digest mismatch for '
+ '%s' % arcname)
+
+ if lib_only and u_arcname.startswith((info_pfx, data_pfx)):
+ logger.debug('lib_only: skipping %s', u_arcname)
+ continue
+ is_script = (u_arcname.startswith(script_pfx)
+ and not u_arcname.endswith('.exe'))
+
+ if u_arcname.startswith(data_pfx):
+ _, where, rp = u_arcname.split('/', 2)
+ outfile = os.path.join(paths[where], convert_path(rp))
+ else:
+ # meant for site-packages.
+ if u_arcname in (wheel_metadata_name, record_name):
+ continue
+ outfile = os.path.join(libdir, convert_path(u_arcname))
+ if not is_script:
+ with zf.open(arcname) as bf:
+ fileop.copy_stream(bf, outfile)
+ # Issue #147: permission bits aren't preserved. Using
+ # zf.extract(zinfo, libdir) should have worked, but didn't,
+ # see https://www.thetopsites.net/article/53834422.shtml
+ # So ... manually preserve permission bits as given in zinfo
+ if os.name == 'posix':
+ # just set the normal permission bits
+ os.chmod(outfile, (zinfo.external_attr >> 16) & 0x1FF)
+ outfiles.append(outfile)
+ # Double check the digest of the written file
+ if not dry_run and row[1]:
+ with open(outfile, 'rb') as bf:
+ data = bf.read()
+ _, newdigest = self.get_hash(data, kind)
+ if newdigest != digest:
+ raise DistlibException('digest mismatch '
+ 'on write for '
+ '%s' % outfile)
+ if bc and outfile.endswith('.py'):
+ try:
+ pyc = fileop.byte_compile(outfile,
+ hashed_invalidation=bc_hashed_invalidation)
+ outfiles.append(pyc)
+ except Exception:
+ # Don't give up if byte-compilation fails,
+ # but log it and perhaps warn the user
+ logger.warning('Byte-compilation failed',
+ exc_info=True)
+ else:
+ fn = os.path.basename(convert_path(arcname))
+ workname = os.path.join(workdir, fn)
+ with zf.open(arcname) as bf:
+ fileop.copy_stream(bf, workname)
+
+ dn, fn = os.path.split(outfile)
+ maker.target_dir = dn
+ filenames = maker.make(fn)
+ fileop.set_executable_mode(filenames)
+ outfiles.extend(filenames)
+
+ if lib_only:
+ logger.debug('lib_only: returning None')
+ dist = None
+ else:
+ # Generate scripts
+
+ # Try to get pydist.json so we can see if there are
+ # any commands to generate. If this fails (e.g. because
+ # of a legacy wheel), log a warning but don't give up.
+ commands = None
+ file_version = self.info['Wheel-Version']
+ if file_version == '1.0':
+ # Use legacy info
+ ep = posixpath.join(info_dir, 'entry_points.txt')
+ try:
+ with zf.open(ep) as bwf:
+ epdata = read_exports(bwf)
+ commands = {}
+ for key in ('console', 'gui'):
+ k = '%s_scripts' % key
+ if k in epdata:
+ commands['wrap_%s' % key] = d = {}
+ for v in epdata[k].values():
+ s = '%s:%s' % (v.prefix, v.suffix)
+ if v.flags:
+ s += ' [%s]' % ','.join(v.flags)
+ d[v.name] = s
+ except Exception:
+ logger.warning('Unable to read legacy script '
+ 'metadata, so cannot generate '
+ 'scripts')
+ else:
+ try:
+ with zf.open(metadata_name) as bwf:
+ wf = wrapper(bwf)
+ commands = json.load(wf).get('extensions')
+ if commands:
+ commands = commands.get('python.commands')
+ except Exception:
+ logger.warning('Unable to read JSON metadata, so '
+ 'cannot generate scripts')
+ if commands:
+ console_scripts = commands.get('wrap_console', {})
+ gui_scripts = commands.get('wrap_gui', {})
+ if console_scripts or gui_scripts:
+ script_dir = paths.get('scripts', '')
+ if not os.path.isdir(script_dir):
+ raise ValueError('Valid script path not '
+ 'specified')
+ maker.target_dir = script_dir
+ for k, v in console_scripts.items():
+ script = '%s = %s' % (k, v)
+ filenames = maker.make(script)
+ fileop.set_executable_mode(filenames)
+
+ if gui_scripts:
+ options = {'gui': True }
+ for k, v in gui_scripts.items():
+ script = '%s = %s' % (k, v)
+ filenames = maker.make(script, options)
+ fileop.set_executable_mode(filenames)
+
+ p = os.path.join(libdir, info_dir)
+ dist = InstalledDistribution(p)
+
+ # Write SHARED
+ paths = dict(paths) # don't change passed in dict
+ del paths['purelib']
+ del paths['platlib']
+ paths['lib'] = libdir
+ p = dist.write_shared_locations(paths, dry_run)
+ if p:
+ outfiles.append(p)
+
+ # Write RECORD
+ dist.write_installed_files(outfiles, paths['prefix'],
+ dry_run)
+ return dist
+ except Exception: # pragma: no cover
+ logger.exception('installation failed.')
+ fileop.rollback()
+ raise
+ finally:
+ shutil.rmtree(workdir)
+
+ def _get_dylib_cache(self):
+ global cache
+ if cache is None:
+ # Use native string to avoid issues on 2.x: see Python #20140.
+ base = os.path.join(get_cache_base(), str('dylib-cache'),
+ '%s.%s' % sys.version_info[:2])
+ cache = Cache(base)
+ return cache
+
+ def _get_extensions(self):
+ pathname = os.path.join(self.dirname, self.filename)
+ name_ver = '%s-%s' % (self.name, self.version)
+ info_dir = '%s.dist-info' % name_ver
+ arcname = posixpath.join(info_dir, 'EXTENSIONS')
+ wrapper = codecs.getreader('utf-8')
+ result = []
+ with ZipFile(pathname, 'r') as zf:
+ try:
+ with zf.open(arcname) as bf:
+ wf = wrapper(bf)
+ extensions = json.load(wf)
+ cache = self._get_dylib_cache()
+ prefix = cache.prefix_to_dir(pathname)
+ cache_base = os.path.join(cache.base, prefix)
+ if not os.path.isdir(cache_base):
+ os.makedirs(cache_base)
+ for name, relpath in extensions.items():
+ dest = os.path.join(cache_base, convert_path(relpath))
+ if not os.path.exists(dest):
+ extract = True
+ else:
+ file_time = os.stat(dest).st_mtime
+ file_time = datetime.datetime.fromtimestamp(file_time)
+ info = zf.getinfo(relpath)
+ wheel_time = datetime.datetime(*info.date_time)
+ extract = wheel_time > file_time
+ if extract:
+ zf.extract(relpath, cache_base)
+ result.append((name, dest))
+ except KeyError:
+ pass
+ return result
+
+ def is_compatible(self):
+ """
+ Determine if a wheel is compatible with the running system.
+ """
+ return is_compatible(self)
+
+ def is_mountable(self):
+ """
+ Determine if a wheel is asserted as mountable by its metadata.
+ """
+ return True # for now - metadata details TBD
+
+ def mount(self, append=False):
+ pathname = os.path.abspath(os.path.join(self.dirname, self.filename))
+ if not self.is_compatible():
+ msg = 'Wheel %s not compatible with this Python.' % pathname
+ raise DistlibException(msg)
+ if not self.is_mountable():
+ msg = 'Wheel %s is marked as not mountable.' % pathname
+ raise DistlibException(msg)
+ if pathname in sys.path:
+ logger.debug('%s already in path', pathname)
+ else:
+ if append:
+ sys.path.append(pathname)
+ else:
+ sys.path.insert(0, pathname)
+ extensions = self._get_extensions()
+ if extensions:
+ if _hook not in sys.meta_path:
+ sys.meta_path.append(_hook)
+ _hook.add(pathname, extensions)
+
+ def unmount(self):
+ pathname = os.path.abspath(os.path.join(self.dirname, self.filename))
+ if pathname not in sys.path:
+ logger.debug('%s not in path', pathname)
+ else:
+ sys.path.remove(pathname)
+ if pathname in _hook.impure_wheels:
+ _hook.remove(pathname)
+ if not _hook.impure_wheels:
+ if _hook in sys.meta_path:
+ sys.meta_path.remove(_hook)
+
+ def verify(self):
+ pathname = os.path.join(self.dirname, self.filename)
+ name_ver = '%s-%s' % (self.name, self.version)
+ data_dir = '%s.data' % name_ver
+ info_dir = '%s.dist-info' % name_ver
+
+ metadata_name = posixpath.join(info_dir, LEGACY_METADATA_FILENAME)
+ wheel_metadata_name = posixpath.join(info_dir, 'WHEEL')
+ record_name = posixpath.join(info_dir, 'RECORD')
+
+ wrapper = codecs.getreader('utf-8')
+
+ with ZipFile(pathname, 'r') as zf:
+ with zf.open(wheel_metadata_name) as bwf:
+ wf = wrapper(bwf)
+ message = message_from_file(wf)
+ wv = message['Wheel-Version'].split('.', 1)
+ file_version = tuple([int(i) for i in wv])
+ # TODO version verification
+
+ records = {}
+ with zf.open(record_name) as bf:
+ with CSVReader(stream=bf) as reader:
+ for row in reader:
+ p = row[0]
+ records[p] = row
+
+ for zinfo in zf.infolist():
+ arcname = zinfo.filename
+ if isinstance(arcname, text_type):
+ u_arcname = arcname
+ else:
+ u_arcname = arcname.decode('utf-8')
+ # See issue #115: some wheels have .. in their entries, but
+ # in the filename ... e.g. __main__..py ! So the check is
+ # updated to look for .. in the directory portions
+ p = u_arcname.split('/')
+ if '..' in p:
+ raise DistlibException('invalid entry in '
+ 'wheel: %r' % u_arcname)
+
+ if self.skip_entry(u_arcname):
+ continue
+ row = records[u_arcname]
+ if row[2] and str(zinfo.file_size) != row[2]:
+ raise DistlibException('size mismatch for '
+ '%s' % u_arcname)
+ if row[1]:
+ kind, value = row[1].split('=', 1)
+ with zf.open(arcname) as bf:
+ data = bf.read()
+ _, digest = self.get_hash(data, kind)
+ if digest != value:
+ raise DistlibException('digest mismatch for '
+ '%s' % arcname)
+
+ def update(self, modifier, dest_dir=None, **kwargs):
+ """
+ Update the contents of a wheel in a generic way. The modifier should
+ be a callable which expects a dictionary argument: its keys are
+ archive-entry paths, and its values are absolute filesystem paths
+ where the contents the corresponding archive entries can be found. The
+ modifier is free to change the contents of the files pointed to, add
+ new entries and remove entries, before returning. This method will
+ extract the entire contents of the wheel to a temporary location, call
+ the modifier, and then use the passed (and possibly updated)
+ dictionary to write a new wheel. If ``dest_dir`` is specified, the new
+ wheel is written there -- otherwise, the original wheel is overwritten.
+
+ The modifier should return True if it updated the wheel, else False.
+ This method returns the same value the modifier returns.
+ """
+
+ def get_version(path_map, info_dir):
+ version = path = None
+ key = '%s/%s' % (info_dir, LEGACY_METADATA_FILENAME)
+ if key not in path_map:
+ key = '%s/PKG-INFO' % info_dir
+ if key in path_map:
+ path = path_map[key]
+ version = Metadata(path=path).version
+ return version, path
+
+ def update_version(version, path):
+ updated = None
+ try:
+ v = NormalizedVersion(version)
+ i = version.find('-')
+ if i < 0:
+ updated = '%s+1' % version
+ else:
+ parts = [int(s) for s in version[i + 1:].split('.')]
+ parts[-1] += 1
+ updated = '%s+%s' % (version[:i],
+ '.'.join(str(i) for i in parts))
+ except UnsupportedVersionError:
+ logger.debug('Cannot update non-compliant (PEP-440) '
+ 'version %r', version)
+ if updated:
+ md = Metadata(path=path)
+ md.version = updated
+ legacy = path.endswith(LEGACY_METADATA_FILENAME)
+ md.write(path=path, legacy=legacy)
+ logger.debug('Version updated from %r to %r', version,
+ updated)
+
+ pathname = os.path.join(self.dirname, self.filename)
+ name_ver = '%s-%s' % (self.name, self.version)
+ info_dir = '%s.dist-info' % name_ver
+ record_name = posixpath.join(info_dir, 'RECORD')
+ with tempdir() as workdir:
+ with ZipFile(pathname, 'r') as zf:
+ path_map = {}
+ for zinfo in zf.infolist():
+ arcname = zinfo.filename
+ if isinstance(arcname, text_type):
+ u_arcname = arcname
+ else:
+ u_arcname = arcname.decode('utf-8')
+ if u_arcname == record_name:
+ continue
+ if '..' in u_arcname:
+ raise DistlibException('invalid entry in '
+ 'wheel: %r' % u_arcname)
+ zf.extract(zinfo, workdir)
+ path = os.path.join(workdir, convert_path(u_arcname))
+ path_map[u_arcname] = path
+
+ # Remember the version.
+ original_version, _ = get_version(path_map, info_dir)
+ # Files extracted. Call the modifier.
+ modified = modifier(path_map, **kwargs)
+ if modified:
+ # Something changed - need to build a new wheel.
+ current_version, path = get_version(path_map, info_dir)
+ if current_version and (current_version == original_version):
+ # Add or update local version to signify changes.
+ update_version(current_version, path)
+ # Decide where the new wheel goes.
+ if dest_dir is None:
+ fd, newpath = tempfile.mkstemp(suffix='.whl',
+ prefix='wheel-update-',
+ dir=workdir)
+ os.close(fd)
+ else:
+ if not os.path.isdir(dest_dir):
+ raise DistlibException('Not a directory: %r' % dest_dir)
+ newpath = os.path.join(dest_dir, self.filename)
+ archive_paths = list(path_map.items())
+ distinfo = os.path.join(workdir, info_dir)
+ info = distinfo, info_dir
+ self.write_records(info, workdir, archive_paths)
+ self.build_zip(newpath, archive_paths)
+ if dest_dir is None:
+ shutil.copyfile(newpath, pathname)
+ return modified
+
+def _get_glibc_version():
+ import platform
+ ver = platform.libc_ver()
+ result = []
+ if ver[0] == 'glibc':
+ for s in ver[1].split('.'):
+ result.append(int(s) if s.isdigit() else 0)
+ result = tuple(result)
+ return result
+
+def compatible_tags():
+ """
+ Return (pyver, abi, arch) tuples compatible with this Python.
+ """
+ versions = [VER_SUFFIX]
+ major = VER_SUFFIX[0]
+ for minor in range(sys.version_info[1] - 1, - 1, -1):
+ versions.append(''.join([major, str(minor)]))
+
+ abis = []
+ for suffix, _, _ in imp.get_suffixes():
+ if suffix.startswith('.abi'):
+ abis.append(suffix.split('.', 2)[1])
+ abis.sort()
+ if ABI != 'none':
+ abis.insert(0, ABI)
+ abis.append('none')
+ result = []
+
+ arches = [ARCH]
+ if sys.platform == 'darwin':
+ m = re.match(r'(\w+)_(\d+)_(\d+)_(\w+)$', ARCH)
+ if m:
+ name, major, minor, arch = m.groups()
+ minor = int(minor)
+ matches = [arch]
+ if arch in ('i386', 'ppc'):
+ matches.append('fat')
+ if arch in ('i386', 'ppc', 'x86_64'):
+ matches.append('fat3')
+ if arch in ('ppc64', 'x86_64'):
+ matches.append('fat64')
+ if arch in ('i386', 'x86_64'):
+ matches.append('intel')
+ if arch in ('i386', 'x86_64', 'intel', 'ppc', 'ppc64'):
+ matches.append('universal')
+ while minor >= 0:
+ for match in matches:
+ s = '%s_%s_%s_%s' % (name, major, minor, match)
+ if s != ARCH: # already there
+ arches.append(s)
+ minor -= 1
+
+ # Most specific - our Python version, ABI and arch
+ for abi in abis:
+ for arch in arches:
+ result.append((''.join((IMP_PREFIX, versions[0])), abi, arch))
+ # manylinux
+ if abi != 'none' and sys.platform.startswith('linux'):
+ arch = arch.replace('linux_', '')
+ parts = _get_glibc_version()
+ if len(parts) == 2:
+ if parts >= (2, 5):
+ result.append((''.join((IMP_PREFIX, versions[0])), abi,
+ 'manylinux1_%s' % arch))
+ if parts >= (2, 12):
+ result.append((''.join((IMP_PREFIX, versions[0])), abi,
+ 'manylinux2010_%s' % arch))
+ if parts >= (2, 17):
+ result.append((''.join((IMP_PREFIX, versions[0])), abi,
+ 'manylinux2014_%s' % arch))
+ result.append((''.join((IMP_PREFIX, versions[0])), abi,
+ 'manylinux_%s_%s_%s' % (parts[0], parts[1],
+ arch)))
+
+ # where no ABI / arch dependency, but IMP_PREFIX dependency
+ for i, version in enumerate(versions):
+ result.append((''.join((IMP_PREFIX, version)), 'none', 'any'))
+ if i == 0:
+ result.append((''.join((IMP_PREFIX, version[0])), 'none', 'any'))
+
+ # no IMP_PREFIX, ABI or arch dependency
+ for i, version in enumerate(versions):
+ result.append((''.join(('py', version)), 'none', 'any'))
+ if i == 0:
+ result.append((''.join(('py', version[0])), 'none', 'any'))
+
+ return set(result)
+
+
+COMPATIBLE_TAGS = compatible_tags()
+
+del compatible_tags
+
+
+def is_compatible(wheel, tags=None):
+ if not isinstance(wheel, Wheel):
+ wheel = Wheel(wheel) # assume it's a filename
+ result = False
+ if tags is None:
+ tags = COMPATIBLE_TAGS
+ for ver, abi, arch in tags:
+ if ver in wheel.pyver and abi in wheel.abi and arch in wheel.arch:
+ result = True
+ break
+ return result
diff --git a/Scripts/Lib/site-packages/pip/_vendor/distro.py b/Scripts/Lib/site-packages/pip/_vendor/distro.py
new file mode 100644
index 0000000..0611b62
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/distro.py
@@ -0,0 +1,1230 @@
+# Copyright 2015,2016,2017 Nir Cohen
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+The ``distro`` package (``distro`` stands for Linux Distribution) provides
+information about the Linux distribution it runs on, such as a reliable
+machine-readable distro ID, or version information.
+
+It is the recommended replacement for Python's original
+:py:func:`platform.linux_distribution` function, but it provides much more
+functionality. An alternative implementation became necessary because Python
+3.5 deprecated this function, and Python 3.8 will remove it altogether.
+Its predecessor function :py:func:`platform.dist` was already
+deprecated since Python 2.6 and will also be removed in Python 3.8.
+Still, there are many cases in which access to OS distribution information
+is needed. See `Python issue 1322 `_ for
+more information.
+"""
+
+import os
+import re
+import sys
+import json
+import shlex
+import logging
+import argparse
+import subprocess
+
+
+_UNIXCONFDIR = os.environ.get('UNIXCONFDIR', '/etc')
+_OS_RELEASE_BASENAME = 'os-release'
+
+#: Translation table for normalizing the "ID" attribute defined in os-release
+#: files, for use by the :func:`distro.id` method.
+#:
+#: * Key: Value as defined in the os-release file, translated to lower case,
+#: with blanks translated to underscores.
+#:
+#: * Value: Normalized value.
+NORMALIZED_OS_ID = {
+ 'ol': 'oracle', # Oracle Linux
+}
+
+#: Translation table for normalizing the "Distributor ID" attribute returned by
+#: the lsb_release command, for use by the :func:`distro.id` method.
+#:
+#: * Key: Value as returned by the lsb_release command, translated to lower
+#: case, with blanks translated to underscores.
+#:
+#: * Value: Normalized value.
+NORMALIZED_LSB_ID = {
+ 'enterpriseenterpriseas': 'oracle', # Oracle Enterprise Linux 4
+ 'enterpriseenterpriseserver': 'oracle', # Oracle Linux 5
+ 'redhatenterpriseworkstation': 'rhel', # RHEL 6, 7 Workstation
+ 'redhatenterpriseserver': 'rhel', # RHEL 6, 7 Server
+ 'redhatenterprisecomputenode': 'rhel', # RHEL 6 ComputeNode
+}
+
+#: Translation table for normalizing the distro ID derived from the file name
+#: of distro release files, for use by the :func:`distro.id` method.
+#:
+#: * Key: Value as derived from the file name of a distro release file,
+#: translated to lower case, with blanks translated to underscores.
+#:
+#: * Value: Normalized value.
+NORMALIZED_DISTRO_ID = {
+ 'redhat': 'rhel', # RHEL 6.x, 7.x
+}
+
+# Pattern for content of distro release file (reversed)
+_DISTRO_RELEASE_CONTENT_REVERSED_PATTERN = re.compile(
+ r'(?:[^)]*\)(.*)\()? *(?:STL )?([\d.+\-a-z]*\d) *(?:esaeler *)?(.+)')
+
+# Pattern for base file name of distro release file
+_DISTRO_RELEASE_BASENAME_PATTERN = re.compile(
+ r'(\w+)[-_](release|version)$')
+
+# Base file names to be ignored when searching for distro release file
+_DISTRO_RELEASE_IGNORE_BASENAMES = (
+ 'debian_version',
+ 'lsb-release',
+ 'oem-release',
+ _OS_RELEASE_BASENAME,
+ 'system-release',
+ 'plesk-release',
+)
+
+
+def linux_distribution(full_distribution_name=True):
+ """
+ Return information about the current OS distribution as a tuple
+ ``(id_name, version, codename)`` with items as follows:
+
+ * ``id_name``: If *full_distribution_name* is false, the result of
+ :func:`distro.id`. Otherwise, the result of :func:`distro.name`.
+
+ * ``version``: The result of :func:`distro.version`.
+
+ * ``codename``: The result of :func:`distro.codename`.
+
+ The interface of this function is compatible with the original
+ :py:func:`platform.linux_distribution` function, supporting a subset of
+ its parameters.
+
+ The data it returns may not exactly be the same, because it uses more data
+ sources than the original function, and that may lead to different data if
+ the OS distribution is not consistent across multiple data sources it
+ provides (there are indeed such distributions ...).
+
+ Another reason for differences is the fact that the :func:`distro.id`
+ method normalizes the distro ID string to a reliable machine-readable value
+ for a number of popular OS distributions.
+ """
+ return _distro.linux_distribution(full_distribution_name)
+
+
+def id():
+ """
+ Return the distro ID of the current distribution, as a
+ machine-readable string.
+
+ For a number of OS distributions, the returned distro ID value is
+ *reliable*, in the sense that it is documented and that it does not change
+ across releases of the distribution.
+
+ This package maintains the following reliable distro ID values:
+
+ ============== =========================================
+ Distro ID Distribution
+ ============== =========================================
+ "ubuntu" Ubuntu
+ "debian" Debian
+ "rhel" RedHat Enterprise Linux
+ "centos" CentOS
+ "fedora" Fedora
+ "sles" SUSE Linux Enterprise Server
+ "opensuse" openSUSE
+ "amazon" Amazon Linux
+ "arch" Arch Linux
+ "cloudlinux" CloudLinux OS
+ "exherbo" Exherbo Linux
+ "gentoo" GenToo Linux
+ "ibm_powerkvm" IBM PowerKVM
+ "kvmibm" KVM for IBM z Systems
+ "linuxmint" Linux Mint
+ "mageia" Mageia
+ "mandriva" Mandriva Linux
+ "parallels" Parallels
+ "pidora" Pidora
+ "raspbian" Raspbian
+ "oracle" Oracle Linux (and Oracle Enterprise Linux)
+ "scientific" Scientific Linux
+ "slackware" Slackware
+ "xenserver" XenServer
+ "openbsd" OpenBSD
+ "netbsd" NetBSD
+ "freebsd" FreeBSD
+ "midnightbsd" MidnightBSD
+ ============== =========================================
+
+ If you have a need to get distros for reliable IDs added into this set,
+ or if you find that the :func:`distro.id` function returns a different
+ distro ID for one of the listed distros, please create an issue in the
+ `distro issue tracker`_.
+
+ **Lookup hierarchy and transformations:**
+
+ First, the ID is obtained from the following sources, in the specified
+ order. The first available and non-empty value is used:
+
+ * the value of the "ID" attribute of the os-release file,
+
+ * the value of the "Distributor ID" attribute returned by the lsb_release
+ command,
+
+ * the first part of the file name of the distro release file,
+
+ The so determined ID value then passes the following transformations,
+ before it is returned by this method:
+
+ * it is translated to lower case,
+
+ * blanks (which should not be there anyway) are translated to underscores,
+
+ * a normalization of the ID is performed, based upon
+ `normalization tables`_. The purpose of this normalization is to ensure
+ that the ID is as reliable as possible, even across incompatible changes
+ in the OS distributions. A common reason for an incompatible change is
+ the addition of an os-release file, or the addition of the lsb_release
+ command, with ID values that differ from what was previously determined
+ from the distro release file name.
+ """
+ return _distro.id()
+
+
+def name(pretty=False):
+ """
+ Return the name of the current OS distribution, as a human-readable
+ string.
+
+ If *pretty* is false, the name is returned without version or codename.
+ (e.g. "CentOS Linux")
+
+ If *pretty* is true, the version and codename are appended.
+ (e.g. "CentOS Linux 7.1.1503 (Core)")
+
+ **Lookup hierarchy:**
+
+ The name is obtained from the following sources, in the specified order.
+ The first available and non-empty value is used:
+
+ * If *pretty* is false:
+
+ - the value of the "NAME" attribute of the os-release file,
+
+ - the value of the "Distributor ID" attribute returned by the lsb_release
+ command,
+
+ - the value of the "" field of the distro release file.
+
+ * If *pretty* is true:
+
+ - the value of the "PRETTY_NAME" attribute of the os-release file,
+
+ - the value of the "Description" attribute returned by the lsb_release
+ command,
+
+ - the value of the "" field of the distro release file, appended
+ with the value of the pretty version ("" and ""
+ fields) of the distro release file, if available.
+ """
+ return _distro.name(pretty)
+
+
+def version(pretty=False, best=False):
+ """
+ Return the version of the current OS distribution, as a human-readable
+ string.
+
+ If *pretty* is false, the version is returned without codename (e.g.
+ "7.0").
+
+ If *pretty* is true, the codename in parenthesis is appended, if the
+ codename is non-empty (e.g. "7.0 (Maipo)").
+
+ Some distributions provide version numbers with different precisions in
+ the different sources of distribution information. Examining the different
+ sources in a fixed priority order does not always yield the most precise
+ version (e.g. for Debian 8.2, or CentOS 7.1).
+
+ The *best* parameter can be used to control the approach for the returned
+ version:
+
+ If *best* is false, the first non-empty version number in priority order of
+ the examined sources is returned.
+
+ If *best* is true, the most precise version number out of all examined
+ sources is returned.
+
+ **Lookup hierarchy:**
+
+ In all cases, the version number is obtained from the following sources.
+ If *best* is false, this order represents the priority order:
+
+ * the value of the "VERSION_ID" attribute of the os-release file,
+ * the value of the "Release" attribute returned by the lsb_release
+ command,
+ * the version number parsed from the "" field of the first line
+ of the distro release file,
+ * the version number parsed from the "PRETTY_NAME" attribute of the
+ os-release file, if it follows the format of the distro release files.
+ * the version number parsed from the "Description" attribute returned by
+ the lsb_release command, if it follows the format of the distro release
+ files.
+ """
+ return _distro.version(pretty, best)
+
+
+def version_parts(best=False):
+ """
+ Return the version of the current OS distribution as a tuple
+ ``(major, minor, build_number)`` with items as follows:
+
+ * ``major``: The result of :func:`distro.major_version`.
+
+ * ``minor``: The result of :func:`distro.minor_version`.
+
+ * ``build_number``: The result of :func:`distro.build_number`.
+
+ For a description of the *best* parameter, see the :func:`distro.version`
+ method.
+ """
+ return _distro.version_parts(best)
+
+
+def major_version(best=False):
+ """
+ Return the major version of the current OS distribution, as a string,
+ if provided.
+ Otherwise, the empty string is returned. The major version is the first
+ part of the dot-separated version string.
+
+ For a description of the *best* parameter, see the :func:`distro.version`
+ method.
+ """
+ return _distro.major_version(best)
+
+
+def minor_version(best=False):
+ """
+ Return the minor version of the current OS distribution, as a string,
+ if provided.
+ Otherwise, the empty string is returned. The minor version is the second
+ part of the dot-separated version string.
+
+ For a description of the *best* parameter, see the :func:`distro.version`
+ method.
+ """
+ return _distro.minor_version(best)
+
+
+def build_number(best=False):
+ """
+ Return the build number of the current OS distribution, as a string,
+ if provided.
+ Otherwise, the empty string is returned. The build number is the third part
+ of the dot-separated version string.
+
+ For a description of the *best* parameter, see the :func:`distro.version`
+ method.
+ """
+ return _distro.build_number(best)
+
+
+def like():
+ """
+ Return a space-separated list of distro IDs of distributions that are
+ closely related to the current OS distribution in regards to packaging
+ and programming interfaces, for example distributions the current
+ distribution is a derivative from.
+
+ **Lookup hierarchy:**
+
+ This information item is only provided by the os-release file.
+ For details, see the description of the "ID_LIKE" attribute in the
+ `os-release man page
+ `_.
+ """
+ return _distro.like()
+
+
+def codename():
+ """
+ Return the codename for the release of the current OS distribution,
+ as a string.
+
+ If the distribution does not have a codename, an empty string is returned.
+
+ Note that the returned codename is not always really a codename. For
+ example, openSUSE returns "x86_64". This function does not handle such
+ cases in any special way and just returns the string it finds, if any.
+
+ **Lookup hierarchy:**
+
+ * the codename within the "VERSION" attribute of the os-release file, if
+ provided,
+
+ * the value of the "Codename" attribute returned by the lsb_release
+ command,
+
+ * the value of the "" field of the distro release file.
+ """
+ return _distro.codename()
+
+
+def info(pretty=False, best=False):
+ """
+ Return certain machine-readable information items about the current OS
+ distribution in a dictionary, as shown in the following example:
+
+ .. sourcecode:: python
+
+ {
+ 'id': 'rhel',
+ 'version': '7.0',
+ 'version_parts': {
+ 'major': '7',
+ 'minor': '0',
+ 'build_number': ''
+ },
+ 'like': 'fedora',
+ 'codename': 'Maipo'
+ }
+
+ The dictionary structure and keys are always the same, regardless of which
+ information items are available in the underlying data sources. The values
+ for the various keys are as follows:
+
+ * ``id``: The result of :func:`distro.id`.
+
+ * ``version``: The result of :func:`distro.version`.
+
+ * ``version_parts -> major``: The result of :func:`distro.major_version`.
+
+ * ``version_parts -> minor``: The result of :func:`distro.minor_version`.
+
+ * ``version_parts -> build_number``: The result of
+ :func:`distro.build_number`.
+
+ * ``like``: The result of :func:`distro.like`.
+
+ * ``codename``: The result of :func:`distro.codename`.
+
+ For a description of the *pretty* and *best* parameters, see the
+ :func:`distro.version` method.
+ """
+ return _distro.info(pretty, best)
+
+
+def os_release_info():
+ """
+ Return a dictionary containing key-value pairs for the information items
+ from the os-release file data source of the current OS distribution.
+
+ See `os-release file`_ for details about these information items.
+ """
+ return _distro.os_release_info()
+
+
+def lsb_release_info():
+ """
+ Return a dictionary containing key-value pairs for the information items
+ from the lsb_release command data source of the current OS distribution.
+
+ See `lsb_release command output`_ for details about these information
+ items.
+ """
+ return _distro.lsb_release_info()
+
+
+def distro_release_info():
+ """
+ Return a dictionary containing key-value pairs for the information items
+ from the distro release file data source of the current OS distribution.
+
+ See `distro release file`_ for details about these information items.
+ """
+ return _distro.distro_release_info()
+
+
+def uname_info():
+ """
+ Return a dictionary containing key-value pairs for the information items
+ from the distro release file data source of the current OS distribution.
+ """
+ return _distro.uname_info()
+
+
+def os_release_attr(attribute):
+ """
+ Return a single named information item from the os-release file data source
+ of the current OS distribution.
+
+ Parameters:
+
+ * ``attribute`` (string): Key of the information item.
+
+ Returns:
+
+ * (string): Value of the information item, if the item exists.
+ The empty string, if the item does not exist.
+
+ See `os-release file`_ for details about these information items.
+ """
+ return _distro.os_release_attr(attribute)
+
+
+def lsb_release_attr(attribute):
+ """
+ Return a single named information item from the lsb_release command output
+ data source of the current OS distribution.
+
+ Parameters:
+
+ * ``attribute`` (string): Key of the information item.
+
+ Returns:
+
+ * (string): Value of the information item, if the item exists.
+ The empty string, if the item does not exist.
+
+ See `lsb_release command output`_ for details about these information
+ items.
+ """
+ return _distro.lsb_release_attr(attribute)
+
+
+def distro_release_attr(attribute):
+ """
+ Return a single named information item from the distro release file
+ data source of the current OS distribution.
+
+ Parameters:
+
+ * ``attribute`` (string): Key of the information item.
+
+ Returns:
+
+ * (string): Value of the information item, if the item exists.
+ The empty string, if the item does not exist.
+
+ See `distro release file`_ for details about these information items.
+ """
+ return _distro.distro_release_attr(attribute)
+
+
+def uname_attr(attribute):
+ """
+ Return a single named information item from the distro release file
+ data source of the current OS distribution.
+
+ Parameters:
+
+ * ``attribute`` (string): Key of the information item.
+
+ Returns:
+
+ * (string): Value of the information item, if the item exists.
+ The empty string, if the item does not exist.
+ """
+ return _distro.uname_attr(attribute)
+
+
+class cached_property(object):
+ """A version of @property which caches the value. On access, it calls the
+ underlying function and sets the value in `__dict__` so future accesses
+ will not re-call the property.
+ """
+ def __init__(self, f):
+ self._fname = f.__name__
+ self._f = f
+
+ def __get__(self, obj, owner):
+ assert obj is not None, 'call {} on an instance'.format(self._fname)
+ ret = obj.__dict__[self._fname] = self._f(obj)
+ return ret
+
+
+class LinuxDistribution(object):
+ """
+ Provides information about a OS distribution.
+
+ This package creates a private module-global instance of this class with
+ default initialization arguments, that is used by the
+ `consolidated accessor functions`_ and `single source accessor functions`_.
+ By using default initialization arguments, that module-global instance
+ returns data about the current OS distribution (i.e. the distro this
+ package runs on).
+
+ Normally, it is not necessary to create additional instances of this class.
+ However, in situations where control is needed over the exact data sources
+ that are used, instances of this class can be created with a specific
+ distro release file, or a specific os-release file, or without invoking the
+ lsb_release command.
+ """
+
+ def __init__(self,
+ include_lsb=True,
+ os_release_file='',
+ distro_release_file='',
+ include_uname=True):
+ """
+ The initialization method of this class gathers information from the
+ available data sources, and stores that in private instance attributes.
+ Subsequent access to the information items uses these private instance
+ attributes, so that the data sources are read only once.
+
+ Parameters:
+
+ * ``include_lsb`` (bool): Controls whether the
+ `lsb_release command output`_ is included as a data source.
+
+ If the lsb_release command is not available in the program execution
+ path, the data source for the lsb_release command will be empty.
+
+ * ``os_release_file`` (string): The path name of the
+ `os-release file`_ that is to be used as a data source.
+
+ An empty string (the default) will cause the default path name to
+ be used (see `os-release file`_ for details).
+
+ If the specified or defaulted os-release file does not exist, the
+ data source for the os-release file will be empty.
+
+ * ``distro_release_file`` (string): The path name of the
+ `distro release file`_ that is to be used as a data source.
+
+ An empty string (the default) will cause a default search algorithm
+ to be used (see `distro release file`_ for details).
+
+ If the specified distro release file does not exist, or if no default
+ distro release file can be found, the data source for the distro
+ release file will be empty.
+
+ * ``include_uname`` (bool): Controls whether uname command output is
+ included as a data source. If the uname command is not available in
+ the program execution path the data source for the uname command will
+ be empty.
+
+ Public instance attributes:
+
+ * ``os_release_file`` (string): The path name of the
+ `os-release file`_ that is actually used as a data source. The
+ empty string if no distro release file is used as a data source.
+
+ * ``distro_release_file`` (string): The path name of the
+ `distro release file`_ that is actually used as a data source. The
+ empty string if no distro release file is used as a data source.
+
+ * ``include_lsb`` (bool): The result of the ``include_lsb`` parameter.
+ This controls whether the lsb information will be loaded.
+
+ * ``include_uname`` (bool): The result of the ``include_uname``
+ parameter. This controls whether the uname information will
+ be loaded.
+
+ Raises:
+
+ * :py:exc:`IOError`: Some I/O issue with an os-release file or distro
+ release file.
+
+ * :py:exc:`subprocess.CalledProcessError`: The lsb_release command had
+ some issue (other than not being available in the program execution
+ path).
+
+ * :py:exc:`UnicodeError`: A data source has unexpected characters or
+ uses an unexpected encoding.
+ """
+ self.os_release_file = os_release_file or \
+ os.path.join(_UNIXCONFDIR, _OS_RELEASE_BASENAME)
+ self.distro_release_file = distro_release_file or '' # updated later
+ self.include_lsb = include_lsb
+ self.include_uname = include_uname
+
+ def __repr__(self):
+ """Return repr of all info
+ """
+ return \
+ "LinuxDistribution(" \
+ "os_release_file={self.os_release_file!r}, " \
+ "distro_release_file={self.distro_release_file!r}, " \
+ "include_lsb={self.include_lsb!r}, " \
+ "include_uname={self.include_uname!r}, " \
+ "_os_release_info={self._os_release_info!r}, " \
+ "_lsb_release_info={self._lsb_release_info!r}, " \
+ "_distro_release_info={self._distro_release_info!r}, " \
+ "_uname_info={self._uname_info!r})".format(
+ self=self)
+
+ def linux_distribution(self, full_distribution_name=True):
+ """
+ Return information about the OS distribution that is compatible
+ with Python's :func:`platform.linux_distribution`, supporting a subset
+ of its parameters.
+
+ For details, see :func:`distro.linux_distribution`.
+ """
+ return (
+ self.name() if full_distribution_name else self.id(),
+ self.version(),
+ self.codename()
+ )
+
+ def id(self):
+ """Return the distro ID of the OS distribution, as a string.
+
+ For details, see :func:`distro.id`.
+ """
+ def normalize(distro_id, table):
+ distro_id = distro_id.lower().replace(' ', '_')
+ return table.get(distro_id, distro_id)
+
+ distro_id = self.os_release_attr('id')
+ if distro_id:
+ return normalize(distro_id, NORMALIZED_OS_ID)
+
+ distro_id = self.lsb_release_attr('distributor_id')
+ if distro_id:
+ return normalize(distro_id, NORMALIZED_LSB_ID)
+
+ distro_id = self.distro_release_attr('id')
+ if distro_id:
+ return normalize(distro_id, NORMALIZED_DISTRO_ID)
+
+ distro_id = self.uname_attr('id')
+ if distro_id:
+ return normalize(distro_id, NORMALIZED_DISTRO_ID)
+
+ return ''
+
+ def name(self, pretty=False):
+ """
+ Return the name of the OS distribution, as a string.
+
+ For details, see :func:`distro.name`.
+ """
+ name = self.os_release_attr('name') \
+ or self.lsb_release_attr('distributor_id') \
+ or self.distro_release_attr('name') \
+ or self.uname_attr('name')
+ if pretty:
+ name = self.os_release_attr('pretty_name') \
+ or self.lsb_release_attr('description')
+ if not name:
+ name = self.distro_release_attr('name') \
+ or self.uname_attr('name')
+ version = self.version(pretty=True)
+ if version:
+ name = name + ' ' + version
+ return name or ''
+
+ def version(self, pretty=False, best=False):
+ """
+ Return the version of the OS distribution, as a string.
+
+ For details, see :func:`distro.version`.
+ """
+ versions = [
+ self.os_release_attr('version_id'),
+ self.lsb_release_attr('release'),
+ self.distro_release_attr('version_id'),
+ self._parse_distro_release_content(
+ self.os_release_attr('pretty_name')).get('version_id', ''),
+ self._parse_distro_release_content(
+ self.lsb_release_attr('description')).get('version_id', ''),
+ self.uname_attr('release')
+ ]
+ version = ''
+ if best:
+ # This algorithm uses the last version in priority order that has
+ # the best precision. If the versions are not in conflict, that
+ # does not matter; otherwise, using the last one instead of the
+ # first one might be considered a surprise.
+ for v in versions:
+ if v.count(".") > version.count(".") or version == '':
+ version = v
+ else:
+ for v in versions:
+ if v != '':
+ version = v
+ break
+ if pretty and version and self.codename():
+ version = '{0} ({1})'.format(version, self.codename())
+ return version
+
+ def version_parts(self, best=False):
+ """
+ Return the version of the OS distribution, as a tuple of version
+ numbers.
+
+ For details, see :func:`distro.version_parts`.
+ """
+ version_str = self.version(best=best)
+ if version_str:
+ version_regex = re.compile(r'(\d+)\.?(\d+)?\.?(\d+)?')
+ matches = version_regex.match(version_str)
+ if matches:
+ major, minor, build_number = matches.groups()
+ return major, minor or '', build_number or ''
+ return '', '', ''
+
+ def major_version(self, best=False):
+ """
+ Return the major version number of the current distribution.
+
+ For details, see :func:`distro.major_version`.
+ """
+ return self.version_parts(best)[0]
+
+ def minor_version(self, best=False):
+ """
+ Return the minor version number of the current distribution.
+
+ For details, see :func:`distro.minor_version`.
+ """
+ return self.version_parts(best)[1]
+
+ def build_number(self, best=False):
+ """
+ Return the build number of the current distribution.
+
+ For details, see :func:`distro.build_number`.
+ """
+ return self.version_parts(best)[2]
+
+ def like(self):
+ """
+ Return the IDs of distributions that are like the OS distribution.
+
+ For details, see :func:`distro.like`.
+ """
+ return self.os_release_attr('id_like') or ''
+
+ def codename(self):
+ """
+ Return the codename of the OS distribution.
+
+ For details, see :func:`distro.codename`.
+ """
+ try:
+ # Handle os_release specially since distros might purposefully set
+ # this to empty string to have no codename
+ return self._os_release_info['codename']
+ except KeyError:
+ return self.lsb_release_attr('codename') \
+ or self.distro_release_attr('codename') \
+ or ''
+
+ def info(self, pretty=False, best=False):
+ """
+ Return certain machine-readable information about the OS
+ distribution.
+
+ For details, see :func:`distro.info`.
+ """
+ return dict(
+ id=self.id(),
+ version=self.version(pretty, best),
+ version_parts=dict(
+ major=self.major_version(best),
+ minor=self.minor_version(best),
+ build_number=self.build_number(best)
+ ),
+ like=self.like(),
+ codename=self.codename(),
+ )
+
+ def os_release_info(self):
+ """
+ Return a dictionary containing key-value pairs for the information
+ items from the os-release file data source of the OS distribution.
+
+ For details, see :func:`distro.os_release_info`.
+ """
+ return self._os_release_info
+
+ def lsb_release_info(self):
+ """
+ Return a dictionary containing key-value pairs for the information
+ items from the lsb_release command data source of the OS
+ distribution.
+
+ For details, see :func:`distro.lsb_release_info`.
+ """
+ return self._lsb_release_info
+
+ def distro_release_info(self):
+ """
+ Return a dictionary containing key-value pairs for the information
+ items from the distro release file data source of the OS
+ distribution.
+
+ For details, see :func:`distro.distro_release_info`.
+ """
+ return self._distro_release_info
+
+ def uname_info(self):
+ """
+ Return a dictionary containing key-value pairs for the information
+ items from the uname command data source of the OS distribution.
+
+ For details, see :func:`distro.uname_info`.
+ """
+ return self._uname_info
+
+ def os_release_attr(self, attribute):
+ """
+ Return a single named information item from the os-release file data
+ source of the OS distribution.
+
+ For details, see :func:`distro.os_release_attr`.
+ """
+ return self._os_release_info.get(attribute, '')
+
+ def lsb_release_attr(self, attribute):
+ """
+ Return a single named information item from the lsb_release command
+ output data source of the OS distribution.
+
+ For details, see :func:`distro.lsb_release_attr`.
+ """
+ return self._lsb_release_info.get(attribute, '')
+
+ def distro_release_attr(self, attribute):
+ """
+ Return a single named information item from the distro release file
+ data source of the OS distribution.
+
+ For details, see :func:`distro.distro_release_attr`.
+ """
+ return self._distro_release_info.get(attribute, '')
+
+ def uname_attr(self, attribute):
+ """
+ Return a single named information item from the uname command
+ output data source of the OS distribution.
+
+ For details, see :func:`distro.uname_release_attr`.
+ """
+ return self._uname_info.get(attribute, '')
+
+ @cached_property
+ def _os_release_info(self):
+ """
+ Get the information items from the specified os-release file.
+
+ Returns:
+ A dictionary containing all information items.
+ """
+ if os.path.isfile(self.os_release_file):
+ with open(self.os_release_file) as release_file:
+ return self._parse_os_release_content(release_file)
+ return {}
+
+ @staticmethod
+ def _parse_os_release_content(lines):
+ """
+ Parse the lines of an os-release file.
+
+ Parameters:
+
+ * lines: Iterable through the lines in the os-release file.
+ Each line must be a unicode string or a UTF-8 encoded byte
+ string.
+
+ Returns:
+ A dictionary containing all information items.
+ """
+ props = {}
+ lexer = shlex.shlex(lines, posix=True)
+ lexer.whitespace_split = True
+
+ # The shlex module defines its `wordchars` variable using literals,
+ # making it dependent on the encoding of the Python source file.
+ # In Python 2.6 and 2.7, the shlex source file is encoded in
+ # 'iso-8859-1', and the `wordchars` variable is defined as a byte
+ # string. This causes a UnicodeDecodeError to be raised when the
+ # parsed content is a unicode object. The following fix resolves that
+ # (... but it should be fixed in shlex...):
+ if sys.version_info[0] == 2 and isinstance(lexer.wordchars, bytes):
+ lexer.wordchars = lexer.wordchars.decode('iso-8859-1')
+
+ tokens = list(lexer)
+ for token in tokens:
+ # At this point, all shell-like parsing has been done (i.e.
+ # comments processed, quotes and backslash escape sequences
+ # processed, multi-line values assembled, trailing newlines
+ # stripped, etc.), so the tokens are now either:
+ # * variable assignments: var=value
+ # * commands or their arguments (not allowed in os-release)
+ if '=' in token:
+ k, v = token.split('=', 1)
+ props[k.lower()] = v
+ else:
+ # Ignore any tokens that are not variable assignments
+ pass
+
+ if 'version_codename' in props:
+ # os-release added a version_codename field. Use that in
+ # preference to anything else Note that some distros purposefully
+ # do not have code names. They should be setting
+ # version_codename=""
+ props['codename'] = props['version_codename']
+ elif 'ubuntu_codename' in props:
+ # Same as above but a non-standard field name used on older Ubuntus
+ props['codename'] = props['ubuntu_codename']
+ elif 'version' in props:
+ # If there is no version_codename, parse it from the version
+ codename = re.search(r'(\(\D+\))|,(\s+)?\D+', props['version'])
+ if codename:
+ codename = codename.group()
+ codename = codename.strip('()')
+ codename = codename.strip(',')
+ codename = codename.strip()
+ # codename appears within paranthese.
+ props['codename'] = codename
+
+ return props
+
+ @cached_property
+ def _lsb_release_info(self):
+ """
+ Get the information items from the lsb_release command output.
+
+ Returns:
+ A dictionary containing all information items.
+ """
+ if not self.include_lsb:
+ return {}
+ with open(os.devnull, 'w') as devnull:
+ try:
+ cmd = ('lsb_release', '-a')
+ stdout = subprocess.check_output(cmd, stderr=devnull)
+ except OSError: # Command not found
+ return {}
+ content = self._to_str(stdout).splitlines()
+ return self._parse_lsb_release_content(content)
+
+ @staticmethod
+ def _parse_lsb_release_content(lines):
+ """
+ Parse the output of the lsb_release command.
+
+ Parameters:
+
+ * lines: Iterable through the lines of the lsb_release output.
+ Each line must be a unicode string or a UTF-8 encoded byte
+ string.
+
+ Returns:
+ A dictionary containing all information items.
+ """
+ props = {}
+ for line in lines:
+ kv = line.strip('\n').split(':', 1)
+ if len(kv) != 2:
+ # Ignore lines without colon.
+ continue
+ k, v = kv
+ props.update({k.replace(' ', '_').lower(): v.strip()})
+ return props
+
+ @cached_property
+ def _uname_info(self):
+ with open(os.devnull, 'w') as devnull:
+ try:
+ cmd = ('uname', '-rs')
+ stdout = subprocess.check_output(cmd, stderr=devnull)
+ except OSError:
+ return {}
+ content = self._to_str(stdout).splitlines()
+ return self._parse_uname_content(content)
+
+ @staticmethod
+ def _parse_uname_content(lines):
+ props = {}
+ match = re.search(r'^([^\s]+)\s+([\d\.]+)', lines[0].strip())
+ if match:
+ name, version = match.groups()
+
+ # This is to prevent the Linux kernel version from
+ # appearing as the 'best' version on otherwise
+ # identifiable distributions.
+ if name == 'Linux':
+ return {}
+ props['id'] = name.lower()
+ props['name'] = name
+ props['release'] = version
+ return props
+
+ @staticmethod
+ def _to_str(text):
+ encoding = sys.getfilesystemencoding()
+ encoding = 'utf-8' if encoding == 'ascii' else encoding
+
+ if sys.version_info[0] >= 3:
+ if isinstance(text, bytes):
+ return text.decode(encoding)
+ else:
+ if isinstance(text, unicode): # noqa
+ return text.encode(encoding)
+
+ return text
+
+ @cached_property
+ def _distro_release_info(self):
+ """
+ Get the information items from the specified distro release file.
+
+ Returns:
+ A dictionary containing all information items.
+ """
+ if self.distro_release_file:
+ # If it was specified, we use it and parse what we can, even if
+ # its file name or content does not match the expected pattern.
+ distro_info = self._parse_distro_release_file(
+ self.distro_release_file)
+ basename = os.path.basename(self.distro_release_file)
+ # The file name pattern for user-specified distro release files
+ # is somewhat more tolerant (compared to when searching for the
+ # file), because we want to use what was specified as best as
+ # possible.
+ match = _DISTRO_RELEASE_BASENAME_PATTERN.match(basename)
+ if 'name' in distro_info \
+ and 'cloudlinux' in distro_info['name'].lower():
+ distro_info['id'] = 'cloudlinux'
+ elif match:
+ distro_info['id'] = match.group(1)
+ return distro_info
+ else:
+ try:
+ basenames = os.listdir(_UNIXCONFDIR)
+ # We sort for repeatability in cases where there are multiple
+ # distro specific files; e.g. CentOS, Oracle, Enterprise all
+ # containing `redhat-release` on top of their own.
+ basenames.sort()
+ except OSError:
+ # This may occur when /etc is not readable but we can't be
+ # sure about the *-release files. Check common entries of
+ # /etc for information. If they turn out to not be there the
+ # error is handled in `_parse_distro_release_file()`.
+ basenames = ['SuSE-release',
+ 'arch-release',
+ 'base-release',
+ 'centos-release',
+ 'fedora-release',
+ 'gentoo-release',
+ 'mageia-release',
+ 'mandrake-release',
+ 'mandriva-release',
+ 'mandrivalinux-release',
+ 'manjaro-release',
+ 'oracle-release',
+ 'redhat-release',
+ 'sl-release',
+ 'slackware-version']
+ for basename in basenames:
+ if basename in _DISTRO_RELEASE_IGNORE_BASENAMES:
+ continue
+ match = _DISTRO_RELEASE_BASENAME_PATTERN.match(basename)
+ if match:
+ filepath = os.path.join(_UNIXCONFDIR, basename)
+ distro_info = self._parse_distro_release_file(filepath)
+ if 'name' in distro_info:
+ # The name is always present if the pattern matches
+ self.distro_release_file = filepath
+ distro_info['id'] = match.group(1)
+ if 'cloudlinux' in distro_info['name'].lower():
+ distro_info['id'] = 'cloudlinux'
+ return distro_info
+ return {}
+
+ def _parse_distro_release_file(self, filepath):
+ """
+ Parse a distro release file.
+
+ Parameters:
+
+ * filepath: Path name of the distro release file.
+
+ Returns:
+ A dictionary containing all information items.
+ """
+ try:
+ with open(filepath) as fp:
+ # Only parse the first line. For instance, on SLES there
+ # are multiple lines. We don't want them...
+ return self._parse_distro_release_content(fp.readline())
+ except (OSError, IOError):
+ # Ignore not being able to read a specific, seemingly version
+ # related file.
+ # See https://github.com/nir0s/distro/issues/162
+ return {}
+
+ @staticmethod
+ def _parse_distro_release_content(line):
+ """
+ Parse a line from a distro release file.
+
+ Parameters:
+ * line: Line from the distro release file. Must be a unicode string
+ or a UTF-8 encoded byte string.
+
+ Returns:
+ A dictionary containing all information items.
+ """
+ matches = _DISTRO_RELEASE_CONTENT_REVERSED_PATTERN.match(
+ line.strip()[::-1])
+ distro_info = {}
+ if matches:
+ # regexp ensures non-None
+ distro_info['name'] = matches.group(3)[::-1]
+ if matches.group(2):
+ distro_info['version_id'] = matches.group(2)[::-1]
+ if matches.group(1):
+ distro_info['codename'] = matches.group(1)[::-1]
+ elif line:
+ distro_info['name'] = line.strip()
+ return distro_info
+
+
+_distro = LinuxDistribution()
+
+
+def main():
+ logger = logging.getLogger(__name__)
+ logger.setLevel(logging.DEBUG)
+ logger.addHandler(logging.StreamHandler(sys.stdout))
+
+ parser = argparse.ArgumentParser(description="OS distro info tool")
+ parser.add_argument(
+ '--json',
+ '-j',
+ help="Output in machine readable format",
+ action="store_true")
+ args = parser.parse_args()
+
+ if args.json:
+ logger.info(json.dumps(info(), indent=4, sort_keys=True))
+ else:
+ logger.info('Name: %s', name(pretty=True))
+ distribution_version = version(pretty=True)
+ logger.info('Version: %s', distribution_version)
+ distribution_codename = codename()
+ logger.info('Codename: %s', distribution_codename)
+
+
+if __name__ == '__main__':
+ main()
diff --git a/Scripts/Lib/site-packages/pip/_vendor/html5lib/__init__.py b/Scripts/Lib/site-packages/pip/_vendor/html5lib/__init__.py
new file mode 100644
index 0000000..d1d82f1
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/html5lib/__init__.py
@@ -0,0 +1,35 @@
+"""
+HTML parsing library based on the `WHATWG HTML specification
+`_. The parser is designed to be compatible with
+existing HTML found in the wild and implements well-defined error recovery that
+is largely compatible with modern desktop web browsers.
+
+Example usage::
+
+ from pip._vendor import html5lib
+ with open("my_document.html", "rb") as f:
+ tree = html5lib.parse(f)
+
+For convenience, this module re-exports the following names:
+
+* :func:`~.html5parser.parse`
+* :func:`~.html5parser.parseFragment`
+* :class:`~.html5parser.HTMLParser`
+* :func:`~.treebuilders.getTreeBuilder`
+* :func:`~.treewalkers.getTreeWalker`
+* :func:`~.serializer.serialize`
+"""
+
+from __future__ import absolute_import, division, unicode_literals
+
+from .html5parser import HTMLParser, parse, parseFragment
+from .treebuilders import getTreeBuilder
+from .treewalkers import getTreeWalker
+from .serializer import serialize
+
+__all__ = ["HTMLParser", "parse", "parseFragment", "getTreeBuilder",
+ "getTreeWalker", "serialize"]
+
+# this has to be at the top level, see how setup.py parses this
+#: Distribution version number.
+__version__ = "1.1"
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--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/html5lib/_ihatexml.py
@@ -0,0 +1,289 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import re
+import warnings
+
+from .constants import DataLossWarning
+
+baseChar = """
+[#x0041-#x005A] | [#x0061-#x007A] | [#x00C0-#x00D6] | [#x00D8-#x00F6] |
+[#x00F8-#x00FF] | [#x0100-#x0131] | [#x0134-#x013E] | [#x0141-#x0148] |
+[#x014A-#x017E] | [#x0180-#x01C3] | [#x01CD-#x01F0] | [#x01F4-#x01F5] |
+[#x01FA-#x0217] | [#x0250-#x02A8] | [#x02BB-#x02C1] | #x0386 |
+[#x0388-#x038A] | #x038C | [#x038E-#x03A1] | [#x03A3-#x03CE] |
+[#x03D0-#x03D6] | #x03DA | #x03DC | #x03DE | #x03E0 | [#x03E2-#x03F3] |
+[#x0401-#x040C] | [#x040E-#x044F] | [#x0451-#x045C] | [#x045E-#x0481] |
+[#x0490-#x04C4] | [#x04C7-#x04C8] | [#x04CB-#x04CC] | [#x04D0-#x04EB] |
+[#x04EE-#x04F5] | [#x04F8-#x04F9] | [#x0531-#x0556] | #x0559 |
+[#x0561-#x0586] | [#x05D0-#x05EA] | [#x05F0-#x05F2] | [#x0621-#x063A] |
+[#x0641-#x064A] | [#x0671-#x06B7] | [#x06BA-#x06BE] | [#x06C0-#x06CE] |
+[#x06D0-#x06D3] | #x06D5 | [#x06E5-#x06E6] | [#x0905-#x0939] | #x093D |
+[#x0958-#x0961] | [#x0985-#x098C] | [#x098F-#x0990] | [#x0993-#x09A8] |
+[#x09AA-#x09B0] | #x09B2 | [#x09B6-#x09B9] | [#x09DC-#x09DD] |
+[#x09DF-#x09E1] | [#x09F0-#x09F1] | [#x0A05-#x0A0A] | [#x0A0F-#x0A10] |
+[#x0A13-#x0A28] | [#x0A2A-#x0A30] | [#x0A32-#x0A33] | [#x0A35-#x0A36] |
+[#x0A38-#x0A39] | [#x0A59-#x0A5C] | #x0A5E | [#x0A72-#x0A74] |
+[#x0A85-#x0A8B] | #x0A8D | [#x0A8F-#x0A91] | [#x0A93-#x0AA8] |
+[#x0AAA-#x0AB0] | [#x0AB2-#x0AB3] | [#x0AB5-#x0AB9] | #x0ABD | #x0AE0 |
+[#x0B05-#x0B0C] | [#x0B0F-#x0B10] | [#x0B13-#x0B28] | [#x0B2A-#x0B30] |
+[#x0B32-#x0B33] | [#x0B36-#x0B39] | #x0B3D | [#x0B5C-#x0B5D] |
+[#x0B5F-#x0B61] | [#x0B85-#x0B8A] | [#x0B8E-#x0B90] | [#x0B92-#x0B95] |
+[#x0B99-#x0B9A] | #x0B9C | [#x0B9E-#x0B9F] | [#x0BA3-#x0BA4] |
+[#x0BA8-#x0BAA] | [#x0BAE-#x0BB5] | [#x0BB7-#x0BB9] | [#x0C05-#x0C0C] |
+[#x0C0E-#x0C10] | [#x0C12-#x0C28] | [#x0C2A-#x0C33] | [#x0C35-#x0C39] |
+[#x0C60-#x0C61] | [#x0C85-#x0C8C] | [#x0C8E-#x0C90] | [#x0C92-#x0CA8] |
+[#x0CAA-#x0CB3] | [#x0CB5-#x0CB9] | #x0CDE | [#x0CE0-#x0CE1] |
+[#x0D05-#x0D0C] | [#x0D0E-#x0D10] | [#x0D12-#x0D28] | [#x0D2A-#x0D39] |
+[#x0D60-#x0D61] | [#x0E01-#x0E2E] | #x0E30 | [#x0E32-#x0E33] |
+[#x0E40-#x0E45] | [#x0E81-#x0E82] | #x0E84 | [#x0E87-#x0E88] | #x0E8A |
+#x0E8D | [#x0E94-#x0E97] | [#x0E99-#x0E9F] | [#x0EA1-#x0EA3] | #x0EA5 |
+#x0EA7 | [#x0EAA-#x0EAB] | [#x0EAD-#x0EAE] | #x0EB0 | [#x0EB2-#x0EB3] |
+#x0EBD | [#x0EC0-#x0EC4] | [#x0F40-#x0F47] | [#x0F49-#x0F69] |
+[#x10A0-#x10C5] | [#x10D0-#x10F6] | #x1100 | [#x1102-#x1103] |
+[#x1105-#x1107] | #x1109 | [#x110B-#x110C] | [#x110E-#x1112] | #x113C |
+#x113E | #x1140 | #x114C | #x114E | #x1150 | [#x1154-#x1155] | #x1159 |
+[#x115F-#x1161] | #x1163 | #x1165 | #x1167 | #x1169 | [#x116D-#x116E] |
+[#x1172-#x1173] | #x1175 | #x119E | #x11A8 | #x11AB | [#x11AE-#x11AF] |
+[#x11B7-#x11B8] | #x11BA | [#x11BC-#x11C2] | #x11EB | #x11F0 | #x11F9 |
+[#x1E00-#x1E9B] | [#x1EA0-#x1EF9] | [#x1F00-#x1F15] | [#x1F18-#x1F1D] |
+[#x1F20-#x1F45] | [#x1F48-#x1F4D] | [#x1F50-#x1F57] | #x1F59 | #x1F5B |
+#x1F5D | [#x1F5F-#x1F7D] | [#x1F80-#x1FB4] | [#x1FB6-#x1FBC] | #x1FBE |
+[#x1FC2-#x1FC4] | [#x1FC6-#x1FCC] | [#x1FD0-#x1FD3] | [#x1FD6-#x1FDB] |
+[#x1FE0-#x1FEC] | [#x1FF2-#x1FF4] | [#x1FF6-#x1FFC] | #x2126 |
+[#x212A-#x212B] | #x212E | [#x2180-#x2182] | [#x3041-#x3094] |
+[#x30A1-#x30FA] | [#x3105-#x312C] | [#xAC00-#xD7A3]"""
+
+ideographic = """[#x4E00-#x9FA5] | #x3007 | [#x3021-#x3029]"""
+
+combiningCharacter = """
+[#x0300-#x0345] | [#x0360-#x0361] | [#x0483-#x0486] | [#x0591-#x05A1] |
+[#x05A3-#x05B9] | [#x05BB-#x05BD] | #x05BF | [#x05C1-#x05C2] | #x05C4 |
+[#x064B-#x0652] | #x0670 | [#x06D6-#x06DC] | [#x06DD-#x06DF] |
+[#x06E0-#x06E4] | [#x06E7-#x06E8] | [#x06EA-#x06ED] | [#x0901-#x0903] |
+#x093C | [#x093E-#x094C] | #x094D | [#x0951-#x0954] | [#x0962-#x0963] |
+[#x0981-#x0983] | #x09BC | #x09BE | #x09BF | [#x09C0-#x09C4] |
+[#x09C7-#x09C8] | [#x09CB-#x09CD] | #x09D7 | [#x09E2-#x09E3] | #x0A02 |
+#x0A3C | #x0A3E | #x0A3F | [#x0A40-#x0A42] | [#x0A47-#x0A48] |
+[#x0A4B-#x0A4D] | [#x0A70-#x0A71] | [#x0A81-#x0A83] | #x0ABC |
+[#x0ABE-#x0AC5] | [#x0AC7-#x0AC9] | [#x0ACB-#x0ACD] | [#x0B01-#x0B03] |
+#x0B3C | [#x0B3E-#x0B43] | [#x0B47-#x0B48] | [#x0B4B-#x0B4D] |
+[#x0B56-#x0B57] | [#x0B82-#x0B83] | [#x0BBE-#x0BC2] | [#x0BC6-#x0BC8] |
+[#x0BCA-#x0BCD] | #x0BD7 | [#x0C01-#x0C03] | [#x0C3E-#x0C44] |
+[#x0C46-#x0C48] | [#x0C4A-#x0C4D] | [#x0C55-#x0C56] | [#x0C82-#x0C83] |
+[#x0CBE-#x0CC4] | [#x0CC6-#x0CC8] | [#x0CCA-#x0CCD] | [#x0CD5-#x0CD6] |
+[#x0D02-#x0D03] | [#x0D3E-#x0D43] | [#x0D46-#x0D48] | [#x0D4A-#x0D4D] |
+#x0D57 | #x0E31 | [#x0E34-#x0E3A] | [#x0E47-#x0E4E] | #x0EB1 |
+[#x0EB4-#x0EB9] | [#x0EBB-#x0EBC] | [#x0EC8-#x0ECD] | [#x0F18-#x0F19] |
+#x0F35 | #x0F37 | #x0F39 | #x0F3E | #x0F3F | [#x0F71-#x0F84] |
+[#x0F86-#x0F8B] | [#x0F90-#x0F95] | #x0F97 | [#x0F99-#x0FAD] |
+[#x0FB1-#x0FB7] | #x0FB9 | [#x20D0-#x20DC] | #x20E1 | [#x302A-#x302F] |
+#x3099 | #x309A"""
+
+digit = """
+[#x0030-#x0039] | [#x0660-#x0669] | [#x06F0-#x06F9] | [#x0966-#x096F] |
+[#x09E6-#x09EF] | [#x0A66-#x0A6F] | [#x0AE6-#x0AEF] | [#x0B66-#x0B6F] |
+[#x0BE7-#x0BEF] | [#x0C66-#x0C6F] | [#x0CE6-#x0CEF] | [#x0D66-#x0D6F] |
+[#x0E50-#x0E59] | [#x0ED0-#x0ED9] | [#x0F20-#x0F29]"""
+
+extender = """
+#x00B7 | #x02D0 | #x02D1 | #x0387 | #x0640 | #x0E46 | #x0EC6 | #x3005 |
+#[#x3031-#x3035] | [#x309D-#x309E] | [#x30FC-#x30FE]"""
+
+letter = " | ".join([baseChar, ideographic])
+
+# Without the
+name = " | ".join([letter, digit, ".", "-", "_", combiningCharacter,
+ extender])
+nameFirst = " | ".join([letter, "_"])
+
+reChar = re.compile(r"#x([\d|A-F]{4,4})")
+reCharRange = re.compile(r"\[#x([\d|A-F]{4,4})-#x([\d|A-F]{4,4})\]")
+
+
+def charStringToList(chars):
+ charRanges = [item.strip() for item in chars.split(" | ")]
+ rv = []
+ for item in charRanges:
+ foundMatch = False
+ for regexp in (reChar, reCharRange):
+ match = regexp.match(item)
+ if match is not None:
+ rv.append([hexToInt(item) for item in match.groups()])
+ if len(rv[-1]) == 1:
+ rv[-1] = rv[-1] * 2
+ foundMatch = True
+ break
+ if not foundMatch:
+ assert len(item) == 1
+
+ rv.append([ord(item)] * 2)
+ rv = normaliseCharList(rv)
+ return rv
+
+
+def normaliseCharList(charList):
+ charList = sorted(charList)
+ for item in charList:
+ assert item[1] >= item[0]
+ rv = []
+ i = 0
+ while i < len(charList):
+ j = 1
+ rv.append(charList[i])
+ while i + j < len(charList) and charList[i + j][0] <= rv[-1][1] + 1:
+ rv[-1][1] = charList[i + j][1]
+ j += 1
+ i += j
+ return rv
+
+
+# We don't really support characters above the BMP :(
+max_unicode = int("FFFF", 16)
+
+
+def missingRanges(charList):
+ rv = []
+ if charList[0] != 0:
+ rv.append([0, charList[0][0] - 1])
+ for i, item in enumerate(charList[:-1]):
+ rv.append([item[1] + 1, charList[i + 1][0] - 1])
+ if charList[-1][1] != max_unicode:
+ rv.append([charList[-1][1] + 1, max_unicode])
+ return rv
+
+
+def listToRegexpStr(charList):
+ rv = []
+ for item in charList:
+ if item[0] == item[1]:
+ rv.append(escapeRegexp(chr(item[0])))
+ else:
+ rv.append(escapeRegexp(chr(item[0])) + "-" +
+ escapeRegexp(chr(item[1])))
+ return "[%s]" % "".join(rv)
+
+
+def hexToInt(hex_str):
+ return int(hex_str, 16)
+
+
+def escapeRegexp(string):
+ specialCharacters = (".", "^", "$", "*", "+", "?", "{", "}",
+ "[", "]", "|", "(", ")", "-")
+ for char in specialCharacters:
+ string = string.replace(char, "\\" + char)
+
+ return string
+
+# output from the above
+nonXmlNameBMPRegexp = re.compile('[\x00-,/:-@\\[-\\^`\\{-\xb6\xb8-\xbf\xd7\xf7\u0132-\u0133\u013f-\u0140\u0149\u017f\u01c4-\u01cc\u01f1-\u01f3\u01f6-\u01f9\u0218-\u024f\u02a9-\u02ba\u02c2-\u02cf\u02d2-\u02ff\u0346-\u035f\u0362-\u0385\u038b\u038d\u03a2\u03cf\u03d7-\u03d9\u03db\u03dd\u03df\u03e1\u03f4-\u0400\u040d\u0450\u045d\u0482\u0487-\u048f\u04c5-\u04c6\u04c9-\u04ca\u04cd-\u04cf\u04ec-\u04ed\u04f6-\u04f7\u04fa-\u0530\u0557-\u0558\u055a-\u0560\u0587-\u0590\u05a2\u05ba\u05be\u05c0\u05c3\u05c5-\u05cf\u05eb-\u05ef\u05f3-\u0620\u063b-\u063f\u0653-\u065f\u066a-\u066f\u06b8-\u06b9\u06bf\u06cf\u06d4\u06e9\u06ee-\u06ef\u06fa-\u0900\u0904\u093a-\u093b\u094e-\u0950\u0955-\u0957\u0964-\u0965\u0970-\u0980\u0984\u098d-\u098e\u0991-\u0992\u09a9\u09b1\u09b3-\u09b5\u09ba-\u09bb\u09bd\u09c5-\u09c6\u09c9-\u09ca\u09ce-\u09d6\u09d8-\u09db\u09de\u09e4-\u09e5\u09f2-\u0a01\u0a03-\u0a04\u0a0b-\u0a0e\u0a11-\u0a12\u0a29\u0a31\u0a34\u0a37\u0a3a-\u0a3b\u0a3d\u0a43-\u0a46\u0a49-\u0a4a\u0a4e-\u0a58\u0a5d\u0a5f-\u0a65\u0a75-\u0a80\u0a84\u0a8c\u0a8e\u0a92\u0aa9\u0ab1\u0ab4\u0aba-\u0abb\u0ac6\u0aca\u0ace-\u0adf\u0ae1-\u0ae5\u0af0-\u0b00\u0b04\u0b0d-\u0b0e\u0b11-\u0b12\u0b29\u0b31\u0b34-\u0b35\u0b3a-\u0b3b\u0b44-\u0b46\u0b49-\u0b4a\u0b4e-\u0b55\u0b58-\u0b5b\u0b5e\u0b62-\u0b65\u0b70-\u0b81\u0b84\u0b8b-\u0b8d\u0b91\u0b96-\u0b98\u0b9b\u0b9d\u0ba0-\u0ba2\u0ba5-\u0ba7\u0bab-\u0bad\u0bb6\u0bba-\u0bbd\u0bc3-\u0bc5\u0bc9\u0bce-\u0bd6\u0bd8-\u0be6\u0bf0-\u0c00\u0c04\u0c0d\u0c11\u0c29\u0c34\u0c3a-\u0c3d\u0c45\u0c49\u0c4e-\u0c54\u0c57-\u0c5f\u0c62-\u0c65\u0c70-\u0c81\u0c84\u0c8d\u0c91\u0ca9\u0cb4\u0cba-\u0cbd\u0cc5\u0cc9\u0cce-\u0cd4\u0cd7-\u0cdd\u0cdf\u0ce2-\u0ce5\u0cf0-\u0d01\u0d04\u0d0d\u0d11\u0d29\u0d3a-\u0d3d\u0d44-\u0d45\u0d49\u0d4e-\u0d56\u0d58-\u0d5f\u0d62-\u0d65\u0d70-\u0e00\u0e2f\u0e3b-\u0e3f\u0e4f\u0e5a-\u0e80\u0e83\u0e85-\u0e86\u0e89\u0e8b-\u0e8c\u0e8e-\u0e93\u0e98\u0ea0\u0ea4\u0ea6\u0ea8-\u0ea9\u0eac\u0eaf\u0eba\u0ebe-\u0ebf\u0ec5\u0ec7\u0ece-\u0ecf\u0eda-\u0f17\u0f1a-\u0f1f\u0f2a-\u0f34\u0f36\u0f38\u0f3a-\u0f3d\u0f48\u0f6a-\u0f70\u0f85\u0f8c-\u0f8f\u0f96\u0f98\u0fae-\u0fb0\u0fb8\u0fba-\u109f\u10c6-\u10cf\u10f7-\u10ff\u1101\u1104\u1108\u110a\u110d\u1113-\u113b\u113d\u113f\u1141-\u114b\u114d\u114f\u1151-\u1153\u1156-\u1158\u115a-\u115e\u1162\u1164\u1166\u1168\u116a-\u116c\u116f-\u1171\u1174\u1176-\u119d\u119f-\u11a7\u11a9-\u11aa\u11ac-\u11ad\u11b0-\u11b6\u11b9\u11bb\u11c3-\u11ea\u11ec-\u11ef\u11f1-\u11f8\u11fa-\u1dff\u1e9c-\u1e9f\u1efa-\u1eff\u1f16-\u1f17\u1f1e-\u1f1f\u1f46-\u1f47\u1f4e-\u1f4f\u1f58\u1f5a\u1f5c\u1f5e\u1f7e-\u1f7f\u1fb5\u1fbd\u1fbf-\u1fc1\u1fc5\u1fcd-\u1fcf\u1fd4-\u1fd5\u1fdc-\u1fdf\u1fed-\u1ff1\u1ff5\u1ffd-\u20cf\u20dd-\u20e0\u20e2-\u2125\u2127-\u2129\u212c-\u212d\u212f-\u217f\u2183-\u3004\u3006\u3008-\u3020\u3030\u3036-\u3040\u3095-\u3098\u309b-\u309c\u309f-\u30a0\u30fb\u30ff-\u3104\u312d-\u4dff\u9fa6-\uabff\ud7a4-\uffff]') # noqa
+
+nonXmlNameFirstBMPRegexp = re.compile('[\x00-@\\[-\\^`\\{-\xbf\xd7\xf7\u0132-\u0133\u013f-\u0140\u0149\u017f\u01c4-\u01cc\u01f1-\u01f3\u01f6-\u01f9\u0218-\u024f\u02a9-\u02ba\u02c2-\u0385\u0387\u038b\u038d\u03a2\u03cf\u03d7-\u03d9\u03db\u03dd\u03df\u03e1\u03f4-\u0400\u040d\u0450\u045d\u0482-\u048f\u04c5-\u04c6\u04c9-\u04ca\u04cd-\u04cf\u04ec-\u04ed\u04f6-\u04f7\u04fa-\u0530\u0557-\u0558\u055a-\u0560\u0587-\u05cf\u05eb-\u05ef\u05f3-\u0620\u063b-\u0640\u064b-\u0670\u06b8-\u06b9\u06bf\u06cf\u06d4\u06d6-\u06e4\u06e7-\u0904\u093a-\u093c\u093e-\u0957\u0962-\u0984\u098d-\u098e\u0991-\u0992\u09a9\u09b1\u09b3-\u09b5\u09ba-\u09db\u09de\u09e2-\u09ef\u09f2-\u0a04\u0a0b-\u0a0e\u0a11-\u0a12\u0a29\u0a31\u0a34\u0a37\u0a3a-\u0a58\u0a5d\u0a5f-\u0a71\u0a75-\u0a84\u0a8c\u0a8e\u0a92\u0aa9\u0ab1\u0ab4\u0aba-\u0abc\u0abe-\u0adf\u0ae1-\u0b04\u0b0d-\u0b0e\u0b11-\u0b12\u0b29\u0b31\u0b34-\u0b35\u0b3a-\u0b3c\u0b3e-\u0b5b\u0b5e\u0b62-\u0b84\u0b8b-\u0b8d\u0b91\u0b96-\u0b98\u0b9b\u0b9d\u0ba0-\u0ba2\u0ba5-\u0ba7\u0bab-\u0bad\u0bb6\u0bba-\u0c04\u0c0d\u0c11\u0c29\u0c34\u0c3a-\u0c5f\u0c62-\u0c84\u0c8d\u0c91\u0ca9\u0cb4\u0cba-\u0cdd\u0cdf\u0ce2-\u0d04\u0d0d\u0d11\u0d29\u0d3a-\u0d5f\u0d62-\u0e00\u0e2f\u0e31\u0e34-\u0e3f\u0e46-\u0e80\u0e83\u0e85-\u0e86\u0e89\u0e8b-\u0e8c\u0e8e-\u0e93\u0e98\u0ea0\u0ea4\u0ea6\u0ea8-\u0ea9\u0eac\u0eaf\u0eb1\u0eb4-\u0ebc\u0ebe-\u0ebf\u0ec5-\u0f3f\u0f48\u0f6a-\u109f\u10c6-\u10cf\u10f7-\u10ff\u1101\u1104\u1108\u110a\u110d\u1113-\u113b\u113d\u113f\u1141-\u114b\u114d\u114f\u1151-\u1153\u1156-\u1158\u115a-\u115e\u1162\u1164\u1166\u1168\u116a-\u116c\u116f-\u1171\u1174\u1176-\u119d\u119f-\u11a7\u11a9-\u11aa\u11ac-\u11ad\u11b0-\u11b6\u11b9\u11bb\u11c3-\u11ea\u11ec-\u11ef\u11f1-\u11f8\u11fa-\u1dff\u1e9c-\u1e9f\u1efa-\u1eff\u1f16-\u1f17\u1f1e-\u1f1f\u1f46-\u1f47\u1f4e-\u1f4f\u1f58\u1f5a\u1f5c\u1f5e\u1f7e-\u1f7f\u1fb5\u1fbd\u1fbf-\u1fc1\u1fc5\u1fcd-\u1fcf\u1fd4-\u1fd5\u1fdc-\u1fdf\u1fed-\u1ff1\u1ff5\u1ffd-\u2125\u2127-\u2129\u212c-\u212d\u212f-\u217f\u2183-\u3006\u3008-\u3020\u302a-\u3040\u3095-\u30a0\u30fb-\u3104\u312d-\u4dff\u9fa6-\uabff\ud7a4-\uffff]') # noqa
+
+# Simpler things
+nonPubidCharRegexp = re.compile("[^\x20\x0D\x0Aa-zA-Z0-9\\-'()+,./:=?;!*#@$_%]")
+
+
+class InfosetFilter(object):
+ replacementRegexp = re.compile(r"U[\dA-F]{5,5}")
+
+ def __init__(self,
+ dropXmlnsLocalName=False,
+ dropXmlnsAttrNs=False,
+ preventDoubleDashComments=False,
+ preventDashAtCommentEnd=False,
+ replaceFormFeedCharacters=True,
+ preventSingleQuotePubid=False):
+
+ self.dropXmlnsLocalName = dropXmlnsLocalName
+ self.dropXmlnsAttrNs = dropXmlnsAttrNs
+
+ self.preventDoubleDashComments = preventDoubleDashComments
+ self.preventDashAtCommentEnd = preventDashAtCommentEnd
+
+ self.replaceFormFeedCharacters = replaceFormFeedCharacters
+
+ self.preventSingleQuotePubid = preventSingleQuotePubid
+
+ self.replaceCache = {}
+
+ def coerceAttribute(self, name, namespace=None):
+ if self.dropXmlnsLocalName and name.startswith("xmlns:"):
+ warnings.warn("Attributes cannot begin with xmlns", DataLossWarning)
+ return None
+ elif (self.dropXmlnsAttrNs and
+ namespace == "http://www.w3.org/2000/xmlns/"):
+ warnings.warn("Attributes cannot be in the xml namespace", DataLossWarning)
+ return None
+ else:
+ return self.toXmlName(name)
+
+ def coerceElement(self, name):
+ return self.toXmlName(name)
+
+ def coerceComment(self, data):
+ if self.preventDoubleDashComments:
+ while "--" in data:
+ warnings.warn("Comments cannot contain adjacent dashes", DataLossWarning)
+ data = data.replace("--", "- -")
+ if data.endswith("-"):
+ warnings.warn("Comments cannot end in a dash", DataLossWarning)
+ data += " "
+ return data
+
+ def coerceCharacters(self, data):
+ if self.replaceFormFeedCharacters:
+ for _ in range(data.count("\x0C")):
+ warnings.warn("Text cannot contain U+000C", DataLossWarning)
+ data = data.replace("\x0C", " ")
+ # Other non-xml characters
+ return data
+
+ def coercePubid(self, data):
+ dataOutput = data
+ for char in nonPubidCharRegexp.findall(data):
+ warnings.warn("Coercing non-XML pubid", DataLossWarning)
+ replacement = self.getReplacementCharacter(char)
+ dataOutput = dataOutput.replace(char, replacement)
+ if self.preventSingleQuotePubid and dataOutput.find("'") >= 0:
+ warnings.warn("Pubid cannot contain single quote", DataLossWarning)
+ dataOutput = dataOutput.replace("'", self.getReplacementCharacter("'"))
+ return dataOutput
+
+ def toXmlName(self, name):
+ nameFirst = name[0]
+ nameRest = name[1:]
+ m = nonXmlNameFirstBMPRegexp.match(nameFirst)
+ if m:
+ warnings.warn("Coercing non-XML name: %s" % name, DataLossWarning)
+ nameFirstOutput = self.getReplacementCharacter(nameFirst)
+ else:
+ nameFirstOutput = nameFirst
+
+ nameRestOutput = nameRest
+ replaceChars = set(nonXmlNameBMPRegexp.findall(nameRest))
+ for char in replaceChars:
+ warnings.warn("Coercing non-XML name: %s" % name, DataLossWarning)
+ replacement = self.getReplacementCharacter(char)
+ nameRestOutput = nameRestOutput.replace(char, replacement)
+ return nameFirstOutput + nameRestOutput
+
+ def getReplacementCharacter(self, char):
+ if char in self.replaceCache:
+ replacement = self.replaceCache[char]
+ else:
+ replacement = self.escapeChar(char)
+ return replacement
+
+ def fromXmlName(self, name):
+ for item in set(self.replacementRegexp.findall(name)):
+ name = name.replace(item, self.unescapeChar(item))
+ return name
+
+ def escapeChar(self, char):
+ replacement = "U%05X" % ord(char)
+ self.replaceCache[char] = replacement
+ return replacement
+
+ def unescapeChar(self, charcode):
+ return chr(int(charcode[1:], 16))
diff --git a/Scripts/Lib/site-packages/pip/_vendor/html5lib/_inputstream.py b/Scripts/Lib/site-packages/pip/_vendor/html5lib/_inputstream.py
new file mode 100644
index 0000000..e0bb376
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/html5lib/_inputstream.py
@@ -0,0 +1,918 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from pip._vendor.six import text_type
+from pip._vendor.six.moves import http_client, urllib
+
+import codecs
+import re
+from io import BytesIO, StringIO
+
+from pip._vendor import webencodings
+
+from .constants import EOF, spaceCharacters, asciiLetters, asciiUppercase
+from .constants import _ReparseException
+from . import _utils
+
+# Non-unicode versions of constants for use in the pre-parser
+spaceCharactersBytes = frozenset([item.encode("ascii") for item in spaceCharacters])
+asciiLettersBytes = frozenset([item.encode("ascii") for item in asciiLetters])
+asciiUppercaseBytes = frozenset([item.encode("ascii") for item in asciiUppercase])
+spacesAngleBrackets = spaceCharactersBytes | frozenset([b">", b"<"])
+
+
+invalid_unicode_no_surrogate = "[\u0001-\u0008\u000B\u000E-\u001F\u007F-\u009F\uFDD0-\uFDEF\uFFFE\uFFFF\U0001FFFE\U0001FFFF\U0002FFFE\U0002FFFF\U0003FFFE\U0003FFFF\U0004FFFE\U0004FFFF\U0005FFFE\U0005FFFF\U0006FFFE\U0006FFFF\U0007FFFE\U0007FFFF\U0008FFFE\U0008FFFF\U0009FFFE\U0009FFFF\U000AFFFE\U000AFFFF\U000BFFFE\U000BFFFF\U000CFFFE\U000CFFFF\U000DFFFE\U000DFFFF\U000EFFFE\U000EFFFF\U000FFFFE\U000FFFFF\U0010FFFE\U0010FFFF]" # noqa
+
+if _utils.supports_lone_surrogates:
+ # Use one extra step of indirection and create surrogates with
+ # eval. Not using this indirection would introduce an illegal
+ # unicode literal on platforms not supporting such lone
+ # surrogates.
+ assert invalid_unicode_no_surrogate[-1] == "]" and invalid_unicode_no_surrogate.count("]") == 1
+ invalid_unicode_re = re.compile(invalid_unicode_no_surrogate[:-1] +
+ eval('"\\uD800-\\uDFFF"') + # pylint:disable=eval-used
+ "]")
+else:
+ invalid_unicode_re = re.compile(invalid_unicode_no_surrogate)
+
+non_bmp_invalid_codepoints = {0x1FFFE, 0x1FFFF, 0x2FFFE, 0x2FFFF, 0x3FFFE,
+ 0x3FFFF, 0x4FFFE, 0x4FFFF, 0x5FFFE, 0x5FFFF,
+ 0x6FFFE, 0x6FFFF, 0x7FFFE, 0x7FFFF, 0x8FFFE,
+ 0x8FFFF, 0x9FFFE, 0x9FFFF, 0xAFFFE, 0xAFFFF,
+ 0xBFFFE, 0xBFFFF, 0xCFFFE, 0xCFFFF, 0xDFFFE,
+ 0xDFFFF, 0xEFFFE, 0xEFFFF, 0xFFFFE, 0xFFFFF,
+ 0x10FFFE, 0x10FFFF}
+
+ascii_punctuation_re = re.compile("[\u0009-\u000D\u0020-\u002F\u003A-\u0040\u005C\u005B-\u0060\u007B-\u007E]")
+
+# Cache for charsUntil()
+charsUntilRegEx = {}
+
+
+class BufferedStream(object):
+ """Buffering for streams that do not have buffering of their own
+
+ The buffer is implemented as a list of chunks on the assumption that
+ joining many strings will be slow since it is O(n**2)
+ """
+
+ def __init__(self, stream):
+ self.stream = stream
+ self.buffer = []
+ self.position = [-1, 0] # chunk number, offset
+
+ def tell(self):
+ pos = 0
+ for chunk in self.buffer[:self.position[0]]:
+ pos += len(chunk)
+ pos += self.position[1]
+ return pos
+
+ def seek(self, pos):
+ assert pos <= self._bufferedBytes()
+ offset = pos
+ i = 0
+ while len(self.buffer[i]) < offset:
+ offset -= len(self.buffer[i])
+ i += 1
+ self.position = [i, offset]
+
+ def read(self, bytes):
+ if not self.buffer:
+ return self._readStream(bytes)
+ elif (self.position[0] == len(self.buffer) and
+ self.position[1] == len(self.buffer[-1])):
+ return self._readStream(bytes)
+ else:
+ return self._readFromBuffer(bytes)
+
+ def _bufferedBytes(self):
+ return sum([len(item) for item in self.buffer])
+
+ def _readStream(self, bytes):
+ data = self.stream.read(bytes)
+ self.buffer.append(data)
+ self.position[0] += 1
+ self.position[1] = len(data)
+ return data
+
+ def _readFromBuffer(self, bytes):
+ remainingBytes = bytes
+ rv = []
+ bufferIndex = self.position[0]
+ bufferOffset = self.position[1]
+ while bufferIndex < len(self.buffer) and remainingBytes != 0:
+ assert remainingBytes > 0
+ bufferedData = self.buffer[bufferIndex]
+
+ if remainingBytes <= len(bufferedData) - bufferOffset:
+ bytesToRead = remainingBytes
+ self.position = [bufferIndex, bufferOffset + bytesToRead]
+ else:
+ bytesToRead = len(bufferedData) - bufferOffset
+ self.position = [bufferIndex, len(bufferedData)]
+ bufferIndex += 1
+ rv.append(bufferedData[bufferOffset:bufferOffset + bytesToRead])
+ remainingBytes -= bytesToRead
+
+ bufferOffset = 0
+
+ if remainingBytes:
+ rv.append(self._readStream(remainingBytes))
+
+ return b"".join(rv)
+
+
+def HTMLInputStream(source, **kwargs):
+ # Work around Python bug #20007: read(0) closes the connection.
+ # http://bugs.python.org/issue20007
+ if (isinstance(source, http_client.HTTPResponse) or
+ # Also check for addinfourl wrapping HTTPResponse
+ (isinstance(source, urllib.response.addbase) and
+ isinstance(source.fp, http_client.HTTPResponse))):
+ isUnicode = False
+ elif hasattr(source, "read"):
+ isUnicode = isinstance(source.read(0), text_type)
+ else:
+ isUnicode = isinstance(source, text_type)
+
+ if isUnicode:
+ encodings = [x for x in kwargs if x.endswith("_encoding")]
+ if encodings:
+ raise TypeError("Cannot set an encoding with a unicode input, set %r" % encodings)
+
+ return HTMLUnicodeInputStream(source, **kwargs)
+ else:
+ return HTMLBinaryInputStream(source, **kwargs)
+
+
+class HTMLUnicodeInputStream(object):
+ """Provides a unicode stream of characters to the HTMLTokenizer.
+
+ This class takes care of character encoding and removing or replacing
+ incorrect byte-sequences and also provides column and line tracking.
+
+ """
+
+ _defaultChunkSize = 10240
+
+ def __init__(self, source):
+ """Initialises the HTMLInputStream.
+
+ HTMLInputStream(source, [encoding]) -> Normalized stream from source
+ for use by html5lib.
+
+ source can be either a file-object, local filename or a string.
+
+ The optional encoding parameter must be a string that indicates
+ the encoding. If specified, that encoding will be used,
+ regardless of any BOM or later declaration (such as in a meta
+ element)
+
+ """
+
+ if not _utils.supports_lone_surrogates:
+ # Such platforms will have already checked for such
+ # surrogate errors, so no need to do this checking.
+ self.reportCharacterErrors = None
+ elif len("\U0010FFFF") == 1:
+ self.reportCharacterErrors = self.characterErrorsUCS4
+ else:
+ self.reportCharacterErrors = self.characterErrorsUCS2
+
+ # List of where new lines occur
+ self.newLines = [0]
+
+ self.charEncoding = (lookupEncoding("utf-8"), "certain")
+ self.dataStream = self.openStream(source)
+
+ self.reset()
+
+ def reset(self):
+ self.chunk = ""
+ self.chunkSize = 0
+ self.chunkOffset = 0
+ self.errors = []
+
+ # number of (complete) lines in previous chunks
+ self.prevNumLines = 0
+ # number of columns in the last line of the previous chunk
+ self.prevNumCols = 0
+
+ # Deal with CR LF and surrogates split over chunk boundaries
+ self._bufferedCharacter = None
+
+ def openStream(self, source):
+ """Produces a file object from source.
+
+ source can be either a file object, local filename or a string.
+
+ """
+ # Already a file object
+ if hasattr(source, 'read'):
+ stream = source
+ else:
+ stream = StringIO(source)
+
+ return stream
+
+ def _position(self, offset):
+ chunk = self.chunk
+ nLines = chunk.count('\n', 0, offset)
+ positionLine = self.prevNumLines + nLines
+ lastLinePos = chunk.rfind('\n', 0, offset)
+ if lastLinePos == -1:
+ positionColumn = self.prevNumCols + offset
+ else:
+ positionColumn = offset - (lastLinePos + 1)
+ return (positionLine, positionColumn)
+
+ def position(self):
+ """Returns (line, col) of the current position in the stream."""
+ line, col = self._position(self.chunkOffset)
+ return (line + 1, col)
+
+ def char(self):
+ """ Read one character from the stream or queue if available. Return
+ EOF when EOF is reached.
+ """
+ # Read a new chunk from the input stream if necessary
+ if self.chunkOffset >= self.chunkSize:
+ if not self.readChunk():
+ return EOF
+
+ chunkOffset = self.chunkOffset
+ char = self.chunk[chunkOffset]
+ self.chunkOffset = chunkOffset + 1
+
+ return char
+
+ def readChunk(self, chunkSize=None):
+ if chunkSize is None:
+ chunkSize = self._defaultChunkSize
+
+ self.prevNumLines, self.prevNumCols = self._position(self.chunkSize)
+
+ self.chunk = ""
+ self.chunkSize = 0
+ self.chunkOffset = 0
+
+ data = self.dataStream.read(chunkSize)
+
+ # Deal with CR LF and surrogates broken across chunks
+ if self._bufferedCharacter:
+ data = self._bufferedCharacter + data
+ self._bufferedCharacter = None
+ elif not data:
+ # We have no more data, bye-bye stream
+ return False
+
+ if len(data) > 1:
+ lastv = ord(data[-1])
+ if lastv == 0x0D or 0xD800 <= lastv <= 0xDBFF:
+ self._bufferedCharacter = data[-1]
+ data = data[:-1]
+
+ if self.reportCharacterErrors:
+ self.reportCharacterErrors(data)
+
+ # Replace invalid characters
+ data = data.replace("\r\n", "\n")
+ data = data.replace("\r", "\n")
+
+ self.chunk = data
+ self.chunkSize = len(data)
+
+ return True
+
+ def characterErrorsUCS4(self, data):
+ for _ in range(len(invalid_unicode_re.findall(data))):
+ self.errors.append("invalid-codepoint")
+
+ def characterErrorsUCS2(self, data):
+ # Someone picked the wrong compile option
+ # You lose
+ skip = False
+ for match in invalid_unicode_re.finditer(data):
+ if skip:
+ continue
+ codepoint = ord(match.group())
+ pos = match.start()
+ # Pretty sure there should be endianness issues here
+ if _utils.isSurrogatePair(data[pos:pos + 2]):
+ # We have a surrogate pair!
+ char_val = _utils.surrogatePairToCodepoint(data[pos:pos + 2])
+ if char_val in non_bmp_invalid_codepoints:
+ self.errors.append("invalid-codepoint")
+ skip = True
+ elif (codepoint >= 0xD800 and codepoint <= 0xDFFF and
+ pos == len(data) - 1):
+ self.errors.append("invalid-codepoint")
+ else:
+ skip = False
+ self.errors.append("invalid-codepoint")
+
+ def charsUntil(self, characters, opposite=False):
+ """ Returns a string of characters from the stream up to but not
+ including any character in 'characters' or EOF. 'characters' must be
+ a container that supports the 'in' method and iteration over its
+ characters.
+ """
+
+ # Use a cache of regexps to find the required characters
+ try:
+ chars = charsUntilRegEx[(characters, opposite)]
+ except KeyError:
+ if __debug__:
+ for c in characters:
+ assert(ord(c) < 128)
+ regex = "".join(["\\x%02x" % ord(c) for c in characters])
+ if not opposite:
+ regex = "^%s" % regex
+ chars = charsUntilRegEx[(characters, opposite)] = re.compile("[%s]+" % regex)
+
+ rv = []
+
+ while True:
+ # Find the longest matching prefix
+ m = chars.match(self.chunk, self.chunkOffset)
+ if m is None:
+ # If nothing matched, and it wasn't because we ran out of chunk,
+ # then stop
+ if self.chunkOffset != self.chunkSize:
+ break
+ else:
+ end = m.end()
+ # If not the whole chunk matched, return everything
+ # up to the part that didn't match
+ if end != self.chunkSize:
+ rv.append(self.chunk[self.chunkOffset:end])
+ self.chunkOffset = end
+ break
+ # If the whole remainder of the chunk matched,
+ # use it all and read the next chunk
+ rv.append(self.chunk[self.chunkOffset:])
+ if not self.readChunk():
+ # Reached EOF
+ break
+
+ r = "".join(rv)
+ return r
+
+ def unget(self, char):
+ # Only one character is allowed to be ungotten at once - it must
+ # be consumed again before any further call to unget
+ if char is not EOF:
+ if self.chunkOffset == 0:
+ # unget is called quite rarely, so it's a good idea to do
+ # more work here if it saves a bit of work in the frequently
+ # called char and charsUntil.
+ # So, just prepend the ungotten character onto the current
+ # chunk:
+ self.chunk = char + self.chunk
+ self.chunkSize += 1
+ else:
+ self.chunkOffset -= 1
+ assert self.chunk[self.chunkOffset] == char
+
+
+class HTMLBinaryInputStream(HTMLUnicodeInputStream):
+ """Provides a unicode stream of characters to the HTMLTokenizer.
+
+ This class takes care of character encoding and removing or replacing
+ incorrect byte-sequences and also provides column and line tracking.
+
+ """
+
+ def __init__(self, source, override_encoding=None, transport_encoding=None,
+ same_origin_parent_encoding=None, likely_encoding=None,
+ default_encoding="windows-1252", useChardet=True):
+ """Initialises the HTMLInputStream.
+
+ HTMLInputStream(source, [encoding]) -> Normalized stream from source
+ for use by html5lib.
+
+ source can be either a file-object, local filename or a string.
+
+ The optional encoding parameter must be a string that indicates
+ the encoding. If specified, that encoding will be used,
+ regardless of any BOM or later declaration (such as in a meta
+ element)
+
+ """
+ # Raw Stream - for unicode objects this will encode to utf-8 and set
+ # self.charEncoding as appropriate
+ self.rawStream = self.openStream(source)
+
+ HTMLUnicodeInputStream.__init__(self, self.rawStream)
+
+ # Encoding Information
+ # Number of bytes to use when looking for a meta element with
+ # encoding information
+ self.numBytesMeta = 1024
+ # Number of bytes to use when using detecting encoding using chardet
+ self.numBytesChardet = 100
+ # Things from args
+ self.override_encoding = override_encoding
+ self.transport_encoding = transport_encoding
+ self.same_origin_parent_encoding = same_origin_parent_encoding
+ self.likely_encoding = likely_encoding
+ self.default_encoding = default_encoding
+
+ # Determine encoding
+ self.charEncoding = self.determineEncoding(useChardet)
+ assert self.charEncoding[0] is not None
+
+ # Call superclass
+ self.reset()
+
+ def reset(self):
+ self.dataStream = self.charEncoding[0].codec_info.streamreader(self.rawStream, 'replace')
+ HTMLUnicodeInputStream.reset(self)
+
+ def openStream(self, source):
+ """Produces a file object from source.
+
+ source can be either a file object, local filename or a string.
+
+ """
+ # Already a file object
+ if hasattr(source, 'read'):
+ stream = source
+ else:
+ stream = BytesIO(source)
+
+ try:
+ stream.seek(stream.tell())
+ except Exception:
+ stream = BufferedStream(stream)
+
+ return stream
+
+ def determineEncoding(self, chardet=True):
+ # BOMs take precedence over everything
+ # This will also read past the BOM if present
+ charEncoding = self.detectBOM(), "certain"
+ if charEncoding[0] is not None:
+ return charEncoding
+
+ # If we've been overridden, we've been overridden
+ charEncoding = lookupEncoding(self.override_encoding), "certain"
+ if charEncoding[0] is not None:
+ return charEncoding
+
+ # Now check the transport layer
+ charEncoding = lookupEncoding(self.transport_encoding), "certain"
+ if charEncoding[0] is not None:
+ return charEncoding
+
+ # Look for meta elements with encoding information
+ charEncoding = self.detectEncodingMeta(), "tentative"
+ if charEncoding[0] is not None:
+ return charEncoding
+
+ # Parent document encoding
+ charEncoding = lookupEncoding(self.same_origin_parent_encoding), "tentative"
+ if charEncoding[0] is not None and not charEncoding[0].name.startswith("utf-16"):
+ return charEncoding
+
+ # "likely" encoding
+ charEncoding = lookupEncoding(self.likely_encoding), "tentative"
+ if charEncoding[0] is not None:
+ return charEncoding
+
+ # Guess with chardet, if available
+ if chardet:
+ try:
+ from pip._vendor.chardet.universaldetector import UniversalDetector
+ except ImportError:
+ pass
+ else:
+ buffers = []
+ detector = UniversalDetector()
+ while not detector.done:
+ buffer = self.rawStream.read(self.numBytesChardet)
+ assert isinstance(buffer, bytes)
+ if not buffer:
+ break
+ buffers.append(buffer)
+ detector.feed(buffer)
+ detector.close()
+ encoding = lookupEncoding(detector.result['encoding'])
+ self.rawStream.seek(0)
+ if encoding is not None:
+ return encoding, "tentative"
+
+ # Try the default encoding
+ charEncoding = lookupEncoding(self.default_encoding), "tentative"
+ if charEncoding[0] is not None:
+ return charEncoding
+
+ # Fallback to html5lib's default if even that hasn't worked
+ return lookupEncoding("windows-1252"), "tentative"
+
+ def changeEncoding(self, newEncoding):
+ assert self.charEncoding[1] != "certain"
+ newEncoding = lookupEncoding(newEncoding)
+ if newEncoding is None:
+ return
+ if newEncoding.name in ("utf-16be", "utf-16le"):
+ newEncoding = lookupEncoding("utf-8")
+ assert newEncoding is not None
+ elif newEncoding == self.charEncoding[0]:
+ self.charEncoding = (self.charEncoding[0], "certain")
+ else:
+ self.rawStream.seek(0)
+ self.charEncoding = (newEncoding, "certain")
+ self.reset()
+ raise _ReparseException("Encoding changed from %s to %s" % (self.charEncoding[0], newEncoding))
+
+ def detectBOM(self):
+ """Attempts to detect at BOM at the start of the stream. If
+ an encoding can be determined from the BOM return the name of the
+ encoding otherwise return None"""
+ bomDict = {
+ codecs.BOM_UTF8: 'utf-8',
+ codecs.BOM_UTF16_LE: 'utf-16le', codecs.BOM_UTF16_BE: 'utf-16be',
+ codecs.BOM_UTF32_LE: 'utf-32le', codecs.BOM_UTF32_BE: 'utf-32be'
+ }
+
+ # Go to beginning of file and read in 4 bytes
+ string = self.rawStream.read(4)
+ assert isinstance(string, bytes)
+
+ # Try detecting the BOM using bytes from the string
+ encoding = bomDict.get(string[:3]) # UTF-8
+ seek = 3
+ if not encoding:
+ # Need to detect UTF-32 before UTF-16
+ encoding = bomDict.get(string) # UTF-32
+ seek = 4
+ if not encoding:
+ encoding = bomDict.get(string[:2]) # UTF-16
+ seek = 2
+
+ # Set the read position past the BOM if one was found, otherwise
+ # set it to the start of the stream
+ if encoding:
+ self.rawStream.seek(seek)
+ return lookupEncoding(encoding)
+ else:
+ self.rawStream.seek(0)
+ return None
+
+ def detectEncodingMeta(self):
+ """Report the encoding declared by the meta element
+ """
+ buffer = self.rawStream.read(self.numBytesMeta)
+ assert isinstance(buffer, bytes)
+ parser = EncodingParser(buffer)
+ self.rawStream.seek(0)
+ encoding = parser.getEncoding()
+
+ if encoding is not None and encoding.name in ("utf-16be", "utf-16le"):
+ encoding = lookupEncoding("utf-8")
+
+ return encoding
+
+
+class EncodingBytes(bytes):
+ """String-like object with an associated position and various extra methods
+ If the position is ever greater than the string length then an exception is
+ raised"""
+ def __new__(self, value):
+ assert isinstance(value, bytes)
+ return bytes.__new__(self, value.lower())
+
+ def __init__(self, value):
+ # pylint:disable=unused-argument
+ self._position = -1
+
+ def __iter__(self):
+ return self
+
+ def __next__(self):
+ p = self._position = self._position + 1
+ if p >= len(self):
+ raise StopIteration
+ elif p < 0:
+ raise TypeError
+ return self[p:p + 1]
+
+ def next(self):
+ # Py2 compat
+ return self.__next__()
+
+ def previous(self):
+ p = self._position
+ if p >= len(self):
+ raise StopIteration
+ elif p < 0:
+ raise TypeError
+ self._position = p = p - 1
+ return self[p:p + 1]
+
+ def setPosition(self, position):
+ if self._position >= len(self):
+ raise StopIteration
+ self._position = position
+
+ def getPosition(self):
+ if self._position >= len(self):
+ raise StopIteration
+ if self._position >= 0:
+ return self._position
+ else:
+ return None
+
+ position = property(getPosition, setPosition)
+
+ def getCurrentByte(self):
+ return self[self.position:self.position + 1]
+
+ currentByte = property(getCurrentByte)
+
+ def skip(self, chars=spaceCharactersBytes):
+ """Skip past a list of characters"""
+ p = self.position # use property for the error-checking
+ while p < len(self):
+ c = self[p:p + 1]
+ if c not in chars:
+ self._position = p
+ return c
+ p += 1
+ self._position = p
+ return None
+
+ def skipUntil(self, chars):
+ p = self.position
+ while p < len(self):
+ c = self[p:p + 1]
+ if c in chars:
+ self._position = p
+ return c
+ p += 1
+ self._position = p
+ return None
+
+ def matchBytes(self, bytes):
+ """Look for a sequence of bytes at the start of a string. If the bytes
+ are found return True and advance the position to the byte after the
+ match. Otherwise return False and leave the position alone"""
+ rv = self.startswith(bytes, self.position)
+ if rv:
+ self.position += len(bytes)
+ return rv
+
+ def jumpTo(self, bytes):
+ """Look for the next sequence of bytes matching a given sequence. If
+ a match is found advance the position to the last byte of the match"""
+ try:
+ self._position = self.index(bytes, self.position) + len(bytes) - 1
+ except ValueError:
+ raise StopIteration
+ return True
+
+
+class EncodingParser(object):
+ """Mini parser for detecting character encoding from meta elements"""
+
+ def __init__(self, data):
+ """string - the data to work on for encoding detection"""
+ self.data = EncodingBytes(data)
+ self.encoding = None
+
+ def getEncoding(self):
+ if b"")
+
+ def handleMeta(self):
+ if self.data.currentByte not in spaceCharactersBytes:
+ # if we have optgroup
+ # element, or if there is no more content in the parent
+ # element.
+ if type == "StartTag":
+ return next["name"] in ('option', 'optgroup')
+ else:
+ return type == "EndTag" or type is None
+ elif tagname in ('rt', 'rp'):
+ # An rt element's end tag may be omitted if the rt element is
+ # immediately followed by an rt or rp element, or if there is
+ # no more content in the parent element.
+ # An rp element's end tag may be omitted if the rp element is
+ # immediately followed by an rt or rp element, or if there is
+ # no more content in the parent element.
+ if type == "StartTag":
+ return next["name"] in ('rt', 'rp')
+ else:
+ return type == "EndTag" or type is None
+ elif tagname == 'colgroup':
+ # A colgroup element's end tag may be omitted if the colgroup
+ # element is not immediately followed by a space character or
+ # a comment.
+ if type in ("Comment", "SpaceCharacters"):
+ return False
+ elif type == "StartTag":
+ # XXX: we also look for an immediately following colgroup
+ # element. See is_optional_start.
+ return next["name"] != 'colgroup'
+ else:
+ return True
+ elif tagname in ('thead', 'tbody'):
+ # A thead element's end tag may be omitted if the thead element
+ # is immediately followed by a tbody or tfoot element.
+ # A tbody element's end tag may be omitted if the tbody element
+ # is immediately followed by a tbody or tfoot element, or if
+ # there is no more content in the parent element.
+ # A tfoot element's end tag may be omitted if the tfoot element
+ # is immediately followed by a tbody element, or if there is no
+ # more content in the parent element.
+ # XXX: we never omit the end tag when the following element is
+ # a tbody. See is_optional_start.
+ if type == "StartTag":
+ return next["name"] in ['tbody', 'tfoot']
+ elif tagname == 'tbody':
+ return type == "EndTag" or type is None
+ else:
+ return False
+ elif tagname == 'tfoot':
+ # A tfoot element's end tag may be omitted if the tfoot element
+ # is immediately followed by a tbody element, or if there is no
+ # more content in the parent element.
+ # XXX: we never omit the end tag when the following element is
+ # a tbody. See is_optional_start.
+ if type == "StartTag":
+ return next["name"] == 'tbody'
+ else:
+ return type == "EndTag" or type is None
+ elif tagname in ('td', 'th'):
+ # A td element's end tag may be omitted if the td element is
+ # immediately followed by a td or th element, or if there is
+ # no more content in the parent element.
+ # A th element's end tag may be omitted if the th element is
+ # immediately followed by a td or th element, or if there is
+ # no more content in the parent element.
+ if type == "StartTag":
+ return next["name"] in ('td', 'th')
+ else:
+ return type == "EndTag" or type is None
+ return False
diff --git a/Scripts/Lib/site-packages/pip/_vendor/html5lib/filters/sanitizer.py b/Scripts/Lib/site-packages/pip/_vendor/html5lib/filters/sanitizer.py
new file mode 100644
index 0000000..aa7431d
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/html5lib/filters/sanitizer.py
@@ -0,0 +1,916 @@
+"""Deprecated from html5lib 1.1.
+
+See `here `_ for
+information about its deprecation; `Bleach `_
+is recommended as a replacement. Please let us know in the aforementioned issue
+if Bleach is unsuitable for your needs.
+
+"""
+from __future__ import absolute_import, division, unicode_literals
+
+import re
+import warnings
+from xml.sax.saxutils import escape, unescape
+
+from pip._vendor.six.moves import urllib_parse as urlparse
+
+from . import base
+from ..constants import namespaces, prefixes
+
+__all__ = ["Filter"]
+
+
+_deprecation_msg = (
+ "html5lib's sanitizer is deprecated; see " +
+ "https://github.com/html5lib/html5lib-python/issues/443 and please let " +
+ "us know if Bleach is unsuitable for your needs"
+)
+
+warnings.warn(_deprecation_msg, DeprecationWarning)
+
+allowed_elements = frozenset((
+ (namespaces['html'], 'a'),
+ (namespaces['html'], 'abbr'),
+ (namespaces['html'], 'acronym'),
+ (namespaces['html'], 'address'),
+ (namespaces['html'], 'area'),
+ (namespaces['html'], 'article'),
+ (namespaces['html'], 'aside'),
+ (namespaces['html'], 'audio'),
+ (namespaces['html'], 'b'),
+ (namespaces['html'], 'big'),
+ (namespaces['html'], 'blockquote'),
+ (namespaces['html'], 'br'),
+ (namespaces['html'], 'button'),
+ (namespaces['html'], 'canvas'),
+ (namespaces['html'], 'caption'),
+ (namespaces['html'], 'center'),
+ (namespaces['html'], 'cite'),
+ (namespaces['html'], 'code'),
+ (namespaces['html'], 'col'),
+ (namespaces['html'], 'colgroup'),
+ (namespaces['html'], 'command'),
+ (namespaces['html'], 'datagrid'),
+ (namespaces['html'], 'datalist'),
+ (namespaces['html'], 'dd'),
+ (namespaces['html'], 'del'),
+ (namespaces['html'], 'details'),
+ (namespaces['html'], 'dfn'),
+ (namespaces['html'], 'dialog'),
+ (namespaces['html'], 'dir'),
+ (namespaces['html'], 'div'),
+ (namespaces['html'], 'dl'),
+ (namespaces['html'], 'dt'),
+ (namespaces['html'], 'em'),
+ (namespaces['html'], 'event-source'),
+ (namespaces['html'], 'fieldset'),
+ (namespaces['html'], 'figcaption'),
+ (namespaces['html'], 'figure'),
+ (namespaces['html'], 'footer'),
+ (namespaces['html'], 'font'),
+ (namespaces['html'], 'form'),
+ (namespaces['html'], 'header'),
+ (namespaces['html'], 'h1'),
+ (namespaces['html'], 'h2'),
+ (namespaces['html'], 'h3'),
+ (namespaces['html'], 'h4'),
+ (namespaces['html'], 'h5'),
+ (namespaces['html'], 'h6'),
+ (namespaces['html'], 'hr'),
+ (namespaces['html'], 'i'),
+ (namespaces['html'], 'img'),
+ (namespaces['html'], 'input'),
+ (namespaces['html'], 'ins'),
+ (namespaces['html'], 'keygen'),
+ (namespaces['html'], 'kbd'),
+ (namespaces['html'], 'label'),
+ (namespaces['html'], 'legend'),
+ (namespaces['html'], 'li'),
+ (namespaces['html'], 'm'),
+ (namespaces['html'], 'map'),
+ (namespaces['html'], 'menu'),
+ (namespaces['html'], 'meter'),
+ (namespaces['html'], 'multicol'),
+ (namespaces['html'], 'nav'),
+ (namespaces['html'], 'nextid'),
+ (namespaces['html'], 'ol'),
+ (namespaces['html'], 'output'),
+ (namespaces['html'], 'optgroup'),
+ (namespaces['html'], 'option'),
+ (namespaces['html'], 'p'),
+ (namespaces['html'], 'pre'),
+ (namespaces['html'], 'progress'),
+ (namespaces['html'], 'q'),
+ (namespaces['html'], 's'),
+ (namespaces['html'], 'samp'),
+ (namespaces['html'], 'section'),
+ (namespaces['html'], 'select'),
+ (namespaces['html'], 'small'),
+ (namespaces['html'], 'sound'),
+ (namespaces['html'], 'source'),
+ (namespaces['html'], 'spacer'),
+ (namespaces['html'], 'span'),
+ (namespaces['html'], 'strike'),
+ (namespaces['html'], 'strong'),
+ (namespaces['html'], 'sub'),
+ (namespaces['html'], 'sup'),
+ (namespaces['html'], 'table'),
+ (namespaces['html'], 'tbody'),
+ (namespaces['html'], 'td'),
+ (namespaces['html'], 'textarea'),
+ (namespaces['html'], 'time'),
+ (namespaces['html'], 'tfoot'),
+ (namespaces['html'], 'th'),
+ (namespaces['html'], 'thead'),
+ (namespaces['html'], 'tr'),
+ (namespaces['html'], 'tt'),
+ (namespaces['html'], 'u'),
+ (namespaces['html'], 'ul'),
+ (namespaces['html'], 'var'),
+ (namespaces['html'], 'video'),
+ (namespaces['mathml'], 'maction'),
+ (namespaces['mathml'], 'math'),
+ (namespaces['mathml'], 'merror'),
+ (namespaces['mathml'], 'mfrac'),
+ (namespaces['mathml'], 'mi'),
+ (namespaces['mathml'], 'mmultiscripts'),
+ (namespaces['mathml'], 'mn'),
+ (namespaces['mathml'], 'mo'),
+ (namespaces['mathml'], 'mover'),
+ (namespaces['mathml'], 'mpadded'),
+ (namespaces['mathml'], 'mphantom'),
+ (namespaces['mathml'], 'mprescripts'),
+ (namespaces['mathml'], 'mroot'),
+ (namespaces['mathml'], 'mrow'),
+ (namespaces['mathml'], 'mspace'),
+ (namespaces['mathml'], 'msqrt'),
+ (namespaces['mathml'], 'mstyle'),
+ (namespaces['mathml'], 'msub'),
+ (namespaces['mathml'], 'msubsup'),
+ (namespaces['mathml'], 'msup'),
+ (namespaces['mathml'], 'mtable'),
+ (namespaces['mathml'], 'mtd'),
+ (namespaces['mathml'], 'mtext'),
+ (namespaces['mathml'], 'mtr'),
+ (namespaces['mathml'], 'munder'),
+ (namespaces['mathml'], 'munderover'),
+ (namespaces['mathml'], 'none'),
+ (namespaces['svg'], 'a'),
+ (namespaces['svg'], 'animate'),
+ (namespaces['svg'], 'animateColor'),
+ (namespaces['svg'], 'animateMotion'),
+ (namespaces['svg'], 'animateTransform'),
+ (namespaces['svg'], 'clipPath'),
+ (namespaces['svg'], 'circle'),
+ (namespaces['svg'], 'defs'),
+ (namespaces['svg'], 'desc'),
+ (namespaces['svg'], 'ellipse'),
+ (namespaces['svg'], 'font-face'),
+ (namespaces['svg'], 'font-face-name'),
+ (namespaces['svg'], 'font-face-src'),
+ (namespaces['svg'], 'g'),
+ (namespaces['svg'], 'glyph'),
+ (namespaces['svg'], 'hkern'),
+ (namespaces['svg'], 'linearGradient'),
+ (namespaces['svg'], 'line'),
+ (namespaces['svg'], 'marker'),
+ (namespaces['svg'], 'metadata'),
+ (namespaces['svg'], 'missing-glyph'),
+ (namespaces['svg'], 'mpath'),
+ (namespaces['svg'], 'path'),
+ (namespaces['svg'], 'polygon'),
+ (namespaces['svg'], 'polyline'),
+ (namespaces['svg'], 'radialGradient'),
+ (namespaces['svg'], 'rect'),
+ (namespaces['svg'], 'set'),
+ (namespaces['svg'], 'stop'),
+ (namespaces['svg'], 'svg'),
+ (namespaces['svg'], 'switch'),
+ (namespaces['svg'], 'text'),
+ (namespaces['svg'], 'title'),
+ (namespaces['svg'], 'tspan'),
+ (namespaces['svg'], 'use'),
+))
+
+allowed_attributes = frozenset((
+ # HTML attributes
+ (None, 'abbr'),
+ (None, 'accept'),
+ (None, 'accept-charset'),
+ (None, 'accesskey'),
+ (None, 'action'),
+ (None, 'align'),
+ (None, 'alt'),
+ (None, 'autocomplete'),
+ (None, 'autofocus'),
+ (None, 'axis'),
+ (None, 'background'),
+ (None, 'balance'),
+ (None, 'bgcolor'),
+ (None, 'bgproperties'),
+ (None, 'border'),
+ (None, 'bordercolor'),
+ (None, 'bordercolordark'),
+ (None, 'bordercolorlight'),
+ (None, 'bottompadding'),
+ (None, 'cellpadding'),
+ (None, 'cellspacing'),
+ (None, 'ch'),
+ (None, 'challenge'),
+ (None, 'char'),
+ (None, 'charoff'),
+ (None, 'choff'),
+ (None, 'charset'),
+ (None, 'checked'),
+ (None, 'cite'),
+ (None, 'class'),
+ (None, 'clear'),
+ (None, 'color'),
+ (None, 'cols'),
+ (None, 'colspan'),
+ (None, 'compact'),
+ (None, 'contenteditable'),
+ (None, 'controls'),
+ (None, 'coords'),
+ (None, 'data'),
+ (None, 'datafld'),
+ (None, 'datapagesize'),
+ (None, 'datasrc'),
+ (None, 'datetime'),
+ (None, 'default'),
+ (None, 'delay'),
+ (None, 'dir'),
+ (None, 'disabled'),
+ (None, 'draggable'),
+ (None, 'dynsrc'),
+ (None, 'enctype'),
+ (None, 'end'),
+ (None, 'face'),
+ (None, 'for'),
+ (None, 'form'),
+ (None, 'frame'),
+ (None, 'galleryimg'),
+ (None, 'gutter'),
+ (None, 'headers'),
+ (None, 'height'),
+ (None, 'hidefocus'),
+ (None, 'hidden'),
+ (None, 'high'),
+ (None, 'href'),
+ (None, 'hreflang'),
+ (None, 'hspace'),
+ (None, 'icon'),
+ (None, 'id'),
+ (None, 'inputmode'),
+ (None, 'ismap'),
+ (None, 'keytype'),
+ (None, 'label'),
+ (None, 'leftspacing'),
+ (None, 'lang'),
+ (None, 'list'),
+ (None, 'longdesc'),
+ (None, 'loop'),
+ (None, 'loopcount'),
+ (None, 'loopend'),
+ (None, 'loopstart'),
+ (None, 'low'),
+ (None, 'lowsrc'),
+ (None, 'max'),
+ (None, 'maxlength'),
+ (None, 'media'),
+ (None, 'method'),
+ (None, 'min'),
+ (None, 'multiple'),
+ (None, 'name'),
+ (None, 'nohref'),
+ (None, 'noshade'),
+ (None, 'nowrap'),
+ (None, 'open'),
+ (None, 'optimum'),
+ (None, 'pattern'),
+ (None, 'ping'),
+ (None, 'point-size'),
+ (None, 'poster'),
+ (None, 'pqg'),
+ (None, 'preload'),
+ (None, 'prompt'),
+ (None, 'radiogroup'),
+ (None, 'readonly'),
+ (None, 'rel'),
+ (None, 'repeat-max'),
+ (None, 'repeat-min'),
+ (None, 'replace'),
+ (None, 'required'),
+ (None, 'rev'),
+ (None, 'rightspacing'),
+ (None, 'rows'),
+ (None, 'rowspan'),
+ (None, 'rules'),
+ (None, 'scope'),
+ (None, 'selected'),
+ (None, 'shape'),
+ (None, 'size'),
+ (None, 'span'),
+ (None, 'src'),
+ (None, 'start'),
+ (None, 'step'),
+ (None, 'style'),
+ (None, 'summary'),
+ (None, 'suppress'),
+ (None, 'tabindex'),
+ (None, 'target'),
+ (None, 'template'),
+ (None, 'title'),
+ (None, 'toppadding'),
+ (None, 'type'),
+ (None, 'unselectable'),
+ (None, 'usemap'),
+ (None, 'urn'),
+ (None, 'valign'),
+ (None, 'value'),
+ (None, 'variable'),
+ (None, 'volume'),
+ (None, 'vspace'),
+ (None, 'vrml'),
+ (None, 'width'),
+ (None, 'wrap'),
+ (namespaces['xml'], 'lang'),
+ # MathML attributes
+ (None, 'actiontype'),
+ (None, 'align'),
+ (None, 'columnalign'),
+ (None, 'columnalign'),
+ (None, 'columnalign'),
+ (None, 'columnlines'),
+ (None, 'columnspacing'),
+ (None, 'columnspan'),
+ (None, 'depth'),
+ (None, 'display'),
+ (None, 'displaystyle'),
+ (None, 'equalcolumns'),
+ (None, 'equalrows'),
+ (None, 'fence'),
+ (None, 'fontstyle'),
+ (None, 'fontweight'),
+ (None, 'frame'),
+ (None, 'height'),
+ (None, 'linethickness'),
+ (None, 'lspace'),
+ (None, 'mathbackground'),
+ (None, 'mathcolor'),
+ (None, 'mathvariant'),
+ (None, 'mathvariant'),
+ (None, 'maxsize'),
+ (None, 'minsize'),
+ (None, 'other'),
+ (None, 'rowalign'),
+ (None, 'rowalign'),
+ (None, 'rowalign'),
+ (None, 'rowlines'),
+ (None, 'rowspacing'),
+ (None, 'rowspan'),
+ (None, 'rspace'),
+ (None, 'scriptlevel'),
+ (None, 'selection'),
+ (None, 'separator'),
+ (None, 'stretchy'),
+ (None, 'width'),
+ (None, 'width'),
+ (namespaces['xlink'], 'href'),
+ (namespaces['xlink'], 'show'),
+ (namespaces['xlink'], 'type'),
+ # SVG attributes
+ (None, 'accent-height'),
+ (None, 'accumulate'),
+ (None, 'additive'),
+ (None, 'alphabetic'),
+ (None, 'arabic-form'),
+ (None, 'ascent'),
+ (None, 'attributeName'),
+ (None, 'attributeType'),
+ (None, 'baseProfile'),
+ (None, 'bbox'),
+ (None, 'begin'),
+ (None, 'by'),
+ (None, 'calcMode'),
+ (None, 'cap-height'),
+ (None, 'class'),
+ (None, 'clip-path'),
+ (None, 'color'),
+ (None, 'color-rendering'),
+ (None, 'content'),
+ (None, 'cx'),
+ (None, 'cy'),
+ (None, 'd'),
+ (None, 'dx'),
+ (None, 'dy'),
+ (None, 'descent'),
+ (None, 'display'),
+ (None, 'dur'),
+ (None, 'end'),
+ (None, 'fill'),
+ (None, 'fill-opacity'),
+ (None, 'fill-rule'),
+ (None, 'font-family'),
+ (None, 'font-size'),
+ (None, 'font-stretch'),
+ (None, 'font-style'),
+ (None, 'font-variant'),
+ (None, 'font-weight'),
+ (None, 'from'),
+ (None, 'fx'),
+ (None, 'fy'),
+ (None, 'g1'),
+ (None, 'g2'),
+ (None, 'glyph-name'),
+ (None, 'gradientUnits'),
+ (None, 'hanging'),
+ (None, 'height'),
+ (None, 'horiz-adv-x'),
+ (None, 'horiz-origin-x'),
+ (None, 'id'),
+ (None, 'ideographic'),
+ (None, 'k'),
+ (None, 'keyPoints'),
+ (None, 'keySplines'),
+ (None, 'keyTimes'),
+ (None, 'lang'),
+ (None, 'marker-end'),
+ (None, 'marker-mid'),
+ (None, 'marker-start'),
+ (None, 'markerHeight'),
+ (None, 'markerUnits'),
+ (None, 'markerWidth'),
+ (None, 'mathematical'),
+ (None, 'max'),
+ (None, 'min'),
+ (None, 'name'),
+ (None, 'offset'),
+ (None, 'opacity'),
+ (None, 'orient'),
+ (None, 'origin'),
+ (None, 'overline-position'),
+ (None, 'overline-thickness'),
+ (None, 'panose-1'),
+ (None, 'path'),
+ (None, 'pathLength'),
+ (None, 'points'),
+ (None, 'preserveAspectRatio'),
+ (None, 'r'),
+ (None, 'refX'),
+ (None, 'refY'),
+ (None, 'repeatCount'),
+ (None, 'repeatDur'),
+ (None, 'requiredExtensions'),
+ (None, 'requiredFeatures'),
+ (None, 'restart'),
+ (None, 'rotate'),
+ (None, 'rx'),
+ (None, 'ry'),
+ (None, 'slope'),
+ (None, 'stemh'),
+ (None, 'stemv'),
+ (None, 'stop-color'),
+ (None, 'stop-opacity'),
+ (None, 'strikethrough-position'),
+ (None, 'strikethrough-thickness'),
+ (None, 'stroke'),
+ (None, 'stroke-dasharray'),
+ (None, 'stroke-dashoffset'),
+ (None, 'stroke-linecap'),
+ (None, 'stroke-linejoin'),
+ (None, 'stroke-miterlimit'),
+ (None, 'stroke-opacity'),
+ (None, 'stroke-width'),
+ (None, 'systemLanguage'),
+ (None, 'target'),
+ (None, 'text-anchor'),
+ (None, 'to'),
+ (None, 'transform'),
+ (None, 'type'),
+ (None, 'u1'),
+ (None, 'u2'),
+ (None, 'underline-position'),
+ (None, 'underline-thickness'),
+ (None, 'unicode'),
+ (None, 'unicode-range'),
+ (None, 'units-per-em'),
+ (None, 'values'),
+ (None, 'version'),
+ (None, 'viewBox'),
+ (None, 'visibility'),
+ (None, 'width'),
+ (None, 'widths'),
+ (None, 'x'),
+ (None, 'x-height'),
+ (None, 'x1'),
+ (None, 'x2'),
+ (namespaces['xlink'], 'actuate'),
+ (namespaces['xlink'], 'arcrole'),
+ (namespaces['xlink'], 'href'),
+ (namespaces['xlink'], 'role'),
+ (namespaces['xlink'], 'show'),
+ (namespaces['xlink'], 'title'),
+ (namespaces['xlink'], 'type'),
+ (namespaces['xml'], 'base'),
+ (namespaces['xml'], 'lang'),
+ (namespaces['xml'], 'space'),
+ (None, 'y'),
+ (None, 'y1'),
+ (None, 'y2'),
+ (None, 'zoomAndPan'),
+))
+
+attr_val_is_uri = frozenset((
+ (None, 'href'),
+ (None, 'src'),
+ (None, 'cite'),
+ (None, 'action'),
+ (None, 'longdesc'),
+ (None, 'poster'),
+ (None, 'background'),
+ (None, 'datasrc'),
+ (None, 'dynsrc'),
+ (None, 'lowsrc'),
+ (None, 'ping'),
+ (namespaces['xlink'], 'href'),
+ (namespaces['xml'], 'base'),
+))
+
+svg_attr_val_allows_ref = frozenset((
+ (None, 'clip-path'),
+ (None, 'color-profile'),
+ (None, 'cursor'),
+ (None, 'fill'),
+ (None, 'filter'),
+ (None, 'marker'),
+ (None, 'marker-start'),
+ (None, 'marker-mid'),
+ (None, 'marker-end'),
+ (None, 'mask'),
+ (None, 'stroke'),
+))
+
+svg_allow_local_href = frozenset((
+ (None, 'altGlyph'),
+ (None, 'animate'),
+ (None, 'animateColor'),
+ (None, 'animateMotion'),
+ (None, 'animateTransform'),
+ (None, 'cursor'),
+ (None, 'feImage'),
+ (None, 'filter'),
+ (None, 'linearGradient'),
+ (None, 'pattern'),
+ (None, 'radialGradient'),
+ (None, 'textpath'),
+ (None, 'tref'),
+ (None, 'set'),
+ (None, 'use')
+))
+
+allowed_css_properties = frozenset((
+ 'azimuth',
+ 'background-color',
+ 'border-bottom-color',
+ 'border-collapse',
+ 'border-color',
+ 'border-left-color',
+ 'border-right-color',
+ 'border-top-color',
+ 'clear',
+ 'color',
+ 'cursor',
+ 'direction',
+ 'display',
+ 'elevation',
+ 'float',
+ 'font',
+ 'font-family',
+ 'font-size',
+ 'font-style',
+ 'font-variant',
+ 'font-weight',
+ 'height',
+ 'letter-spacing',
+ 'line-height',
+ 'overflow',
+ 'pause',
+ 'pause-after',
+ 'pause-before',
+ 'pitch',
+ 'pitch-range',
+ 'richness',
+ 'speak',
+ 'speak-header',
+ 'speak-numeral',
+ 'speak-punctuation',
+ 'speech-rate',
+ 'stress',
+ 'text-align',
+ 'text-decoration',
+ 'text-indent',
+ 'unicode-bidi',
+ 'vertical-align',
+ 'voice-family',
+ 'volume',
+ 'white-space',
+ 'width',
+))
+
+allowed_css_keywords = frozenset((
+ 'auto',
+ 'aqua',
+ 'black',
+ 'block',
+ 'blue',
+ 'bold',
+ 'both',
+ 'bottom',
+ 'brown',
+ 'center',
+ 'collapse',
+ 'dashed',
+ 'dotted',
+ 'fuchsia',
+ 'gray',
+ 'green',
+ '!important',
+ 'italic',
+ 'left',
+ 'lime',
+ 'maroon',
+ 'medium',
+ 'none',
+ 'navy',
+ 'normal',
+ 'nowrap',
+ 'olive',
+ 'pointer',
+ 'purple',
+ 'red',
+ 'right',
+ 'solid',
+ 'silver',
+ 'teal',
+ 'top',
+ 'transparent',
+ 'underline',
+ 'white',
+ 'yellow',
+))
+
+allowed_svg_properties = frozenset((
+ 'fill',
+ 'fill-opacity',
+ 'fill-rule',
+ 'stroke',
+ 'stroke-width',
+ 'stroke-linecap',
+ 'stroke-linejoin',
+ 'stroke-opacity',
+))
+
+allowed_protocols = frozenset((
+ 'ed2k',
+ 'ftp',
+ 'http',
+ 'https',
+ 'irc',
+ 'mailto',
+ 'news',
+ 'gopher',
+ 'nntp',
+ 'telnet',
+ 'webcal',
+ 'xmpp',
+ 'callto',
+ 'feed',
+ 'urn',
+ 'aim',
+ 'rsync',
+ 'tag',
+ 'ssh',
+ 'sftp',
+ 'rtsp',
+ 'afs',
+ 'data',
+))
+
+allowed_content_types = frozenset((
+ 'image/png',
+ 'image/jpeg',
+ 'image/gif',
+ 'image/webp',
+ 'image/bmp',
+ 'text/plain',
+))
+
+
+data_content_type = re.compile(r'''
+ ^
+ # Match a content type /
+ (?P[-a-zA-Z0-9.]+/[-a-zA-Z0-9.]+)
+ # Match any character set and encoding
+ (?:(?:;charset=(?:[-a-zA-Z0-9]+)(?:;(?:base64))?)
+ |(?:;(?:base64))?(?:;charset=(?:[-a-zA-Z0-9]+))?)
+ # Assume the rest is data
+ ,.*
+ $
+ ''',
+ re.VERBOSE)
+
+
+class Filter(base.Filter):
+ """Sanitizes token stream of XHTML+MathML+SVG and of inline style attributes"""
+ def __init__(self,
+ source,
+ allowed_elements=allowed_elements,
+ allowed_attributes=allowed_attributes,
+ allowed_css_properties=allowed_css_properties,
+ allowed_css_keywords=allowed_css_keywords,
+ allowed_svg_properties=allowed_svg_properties,
+ allowed_protocols=allowed_protocols,
+ allowed_content_types=allowed_content_types,
+ attr_val_is_uri=attr_val_is_uri,
+ svg_attr_val_allows_ref=svg_attr_val_allows_ref,
+ svg_allow_local_href=svg_allow_local_href):
+ """Creates a Filter
+
+ :arg allowed_elements: set of elements to allow--everything else will
+ be escaped
+
+ :arg allowed_attributes: set of attributes to allow in
+ elements--everything else will be stripped
+
+ :arg allowed_css_properties: set of CSS properties to allow--everything
+ else will be stripped
+
+ :arg allowed_css_keywords: set of CSS keywords to allow--everything
+ else will be stripped
+
+ :arg allowed_svg_properties: set of SVG properties to allow--everything
+ else will be removed
+
+ :arg allowed_protocols: set of allowed protocols for URIs
+
+ :arg allowed_content_types: set of allowed content types for ``data`` URIs.
+
+ :arg attr_val_is_uri: set of attributes that have URI values--values
+ that have a scheme not listed in ``allowed_protocols`` are removed
+
+ :arg svg_attr_val_allows_ref: set of SVG attributes that can have
+ references
+
+ :arg svg_allow_local_href: set of SVG elements that can have local
+ hrefs--these are removed
+
+ """
+ super(Filter, self).__init__(source)
+
+ warnings.warn(_deprecation_msg, DeprecationWarning)
+
+ self.allowed_elements = allowed_elements
+ self.allowed_attributes = allowed_attributes
+ self.allowed_css_properties = allowed_css_properties
+ self.allowed_css_keywords = allowed_css_keywords
+ self.allowed_svg_properties = allowed_svg_properties
+ self.allowed_protocols = allowed_protocols
+ self.allowed_content_types = allowed_content_types
+ self.attr_val_is_uri = attr_val_is_uri
+ self.svg_attr_val_allows_ref = svg_attr_val_allows_ref
+ self.svg_allow_local_href = svg_allow_local_href
+
+ def __iter__(self):
+ for token in base.Filter.__iter__(self):
+ token = self.sanitize_token(token)
+ if token:
+ yield token
+
+ # Sanitize the +html+, escaping all elements not in ALLOWED_ELEMENTS, and
+ # stripping out all attributes not in ALLOWED_ATTRIBUTES. Style attributes
+ # are parsed, and a restricted set, specified by ALLOWED_CSS_PROPERTIES and
+ # ALLOWED_CSS_KEYWORDS, are allowed through. attributes in ATTR_VAL_IS_URI
+ # are scanned, and only URI schemes specified in ALLOWED_PROTOCOLS are
+ # allowed.
+ #
+ # sanitize_html('')
+ # => <script> do_nasty_stuff() </script>
+ # sanitize_html('Click here for $100 ')
+ # => Click here for $100
+ def sanitize_token(self, token):
+
+ # accommodate filters which use token_type differently
+ token_type = token["type"]
+ if token_type in ("StartTag", "EndTag", "EmptyTag"):
+ name = token["name"]
+ namespace = token["namespace"]
+ if ((namespace, name) in self.allowed_elements or
+ (namespace is None and
+ (namespaces["html"], name) in self.allowed_elements)):
+ return self.allowed_token(token)
+ else:
+ return self.disallowed_token(token)
+ elif token_type == "Comment":
+ pass
+ else:
+ return token
+
+ def allowed_token(self, token):
+ if "data" in token:
+ attrs = token["data"]
+ attr_names = set(attrs.keys())
+
+ # Remove forbidden attributes
+ for to_remove in (attr_names - self.allowed_attributes):
+ del token["data"][to_remove]
+ attr_names.remove(to_remove)
+
+ # Remove attributes with disallowed URL values
+ for attr in (attr_names & self.attr_val_is_uri):
+ assert attr in attrs
+ # I don't have a clue where this regexp comes from or why it matches those
+ # characters, nor why we call unescape. I just know it's always been here.
+ # Should you be worried by this comment in a sanitizer? Yes. On the other hand, all
+ # this will do is remove *more* than it otherwise would.
+ val_unescaped = re.sub("[`\x00-\x20\x7f-\xa0\\s]+", '',
+ unescape(attrs[attr])).lower()
+ # remove replacement characters from unescaped characters
+ val_unescaped = val_unescaped.replace("\ufffd", "")
+ try:
+ uri = urlparse.urlparse(val_unescaped)
+ except ValueError:
+ uri = None
+ del attrs[attr]
+ if uri and uri.scheme:
+ if uri.scheme not in self.allowed_protocols:
+ del attrs[attr]
+ if uri.scheme == 'data':
+ m = data_content_type.match(uri.path)
+ if not m:
+ del attrs[attr]
+ elif m.group('content_type') not in self.allowed_content_types:
+ del attrs[attr]
+
+ for attr in self.svg_attr_val_allows_ref:
+ if attr in attrs:
+ attrs[attr] = re.sub(r'url\s*\(\s*[^#\s][^)]+?\)',
+ ' ',
+ unescape(attrs[attr]))
+ if (token["name"] in self.svg_allow_local_href and
+ (namespaces['xlink'], 'href') in attrs and re.search(r'^\s*[^#\s].*',
+ attrs[(namespaces['xlink'], 'href')])):
+ del attrs[(namespaces['xlink'], 'href')]
+ if (None, 'style') in attrs:
+ attrs[(None, 'style')] = self.sanitize_css(attrs[(None, 'style')])
+ token["data"] = attrs
+ return token
+
+ def disallowed_token(self, token):
+ token_type = token["type"]
+ if token_type == "EndTag":
+ token["data"] = "" % token["name"]
+ elif token["data"]:
+ assert token_type in ("StartTag", "EmptyTag")
+ attrs = []
+ for (ns, name), v in token["data"].items():
+ attrs.append(' %s="%s"' % (name if ns is None else "%s:%s" % (prefixes[ns], name), escape(v)))
+ token["data"] = "<%s%s>" % (token["name"], ''.join(attrs))
+ else:
+ token["data"] = "<%s>" % token["name"]
+ if token.get("selfClosing"):
+ token["data"] = token["data"][:-1] + "/>"
+
+ token["type"] = "Characters"
+
+ del token["name"]
+ return token
+
+ def sanitize_css(self, style):
+ # disallow urls
+ style = re.compile(r'url\s*\(\s*[^\s)]+?\s*\)\s*').sub(' ', style)
+
+ # gauntlet
+ if not re.match(r"""^([:,;#%.\sa-zA-Z0-9!]|\w-\w|'[\s\w]+'|"[\s\w]+"|\([\d,\s]+\))*$""", style):
+ return ''
+ if not re.match(r"^\s*([-\w]+\s*:[^:;]*(;\s*|$))*$", style):
+ return ''
+
+ clean = []
+ for prop, value in re.findall(r"([-\w]+)\s*:\s*([^:;]*)", style):
+ if not value:
+ continue
+ if prop.lower() in self.allowed_css_properties:
+ clean.append(prop + ': ' + value + ';')
+ elif prop.split('-')[0].lower() in ['background', 'border', 'margin',
+ 'padding']:
+ for keyword in value.split():
+ if keyword not in self.allowed_css_keywords and \
+ not re.match(r"^(#[0-9a-fA-F]+|rgb\(\d+%?,\d*%?,?\d*%?\)?|\d{0,2}\.?\d{0,2}(cm|em|ex|in|mm|pc|pt|px|%|,|\))?)$", keyword): # noqa
+ break
+ else:
+ clean.append(prop + ': ' + value + ';')
+ elif prop.lower() in self.allowed_svg_properties:
+ clean.append(prop + ': ' + value + ';')
+
+ return ' '.join(clean)
diff --git a/Scripts/Lib/site-packages/pip/_vendor/html5lib/filters/whitespace.py b/Scripts/Lib/site-packages/pip/_vendor/html5lib/filters/whitespace.py
new file mode 100644
index 0000000..0d12584
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/html5lib/filters/whitespace.py
@@ -0,0 +1,38 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import re
+
+from . import base
+from ..constants import rcdataElements, spaceCharacters
+spaceCharacters = "".join(spaceCharacters)
+
+SPACES_REGEX = re.compile("[%s]+" % spaceCharacters)
+
+
+class Filter(base.Filter):
+ """Collapses whitespace except in pre, textarea, and script elements"""
+ spacePreserveElements = frozenset(["pre", "textarea"] + list(rcdataElements))
+
+ def __iter__(self):
+ preserve = 0
+ for token in base.Filter.__iter__(self):
+ type = token["type"]
+ if type == "StartTag" \
+ and (preserve or token["name"] in self.spacePreserveElements):
+ preserve += 1
+
+ elif type == "EndTag" and preserve:
+ preserve -= 1
+
+ elif not preserve and type == "SpaceCharacters" and token["data"]:
+ # Test on token["data"] above to not introduce spaces where there were not
+ token["data"] = " "
+
+ elif not preserve and type == "Characters":
+ token["data"] = collapse_spaces(token["data"])
+
+ yield token
+
+
+def collapse_spaces(text):
+ return SPACES_REGEX.sub(' ', text)
diff --git a/Scripts/Lib/site-packages/pip/_vendor/html5lib/html5parser.py b/Scripts/Lib/site-packages/pip/_vendor/html5lib/html5parser.py
new file mode 100644
index 0000000..d06784f
--- /dev/null
+++ b/Scripts/Lib/site-packages/pip/_vendor/html5lib/html5parser.py
@@ -0,0 +1,2795 @@
+from __future__ import absolute_import, division, unicode_literals
+from pip._vendor.six import with_metaclass, viewkeys
+
+import types
+
+from . import _inputstream
+from . import _tokenizer
+
+from . import treebuilders
+from .treebuilders.base import Marker
+
+from . import _utils
+from .constants import (
+ spaceCharacters, asciiUpper2Lower,
+ specialElements, headingElements, cdataElements, rcdataElements,
+ tokenTypes, tagTokenTypes,
+ namespaces,
+ htmlIntegrationPointElements, mathmlTextIntegrationPointElements,
+ adjustForeignAttributes as adjustForeignAttributesMap,
+ adjustMathMLAttributes, adjustSVGAttributes,
+ E,
+ _ReparseException
+)
+
+
+def parse(doc, treebuilder="etree", namespaceHTMLElements=True, **kwargs):
+ """Parse an HTML document as a string or file-like object into a tree
+
+ :arg doc: the document to parse as a string or file-like object
+
+ :arg treebuilder: the treebuilder to use when parsing
+
+ :arg namespaceHTMLElements: whether or not to namespace HTML elements
+
+ :returns: parsed tree
+
+ Example:
+
+ >>> from html5lib.html5parser import parse
+ >>> parse('This is a doc
')
+
+
+ """
+ tb = treebuilders.getTreeBuilder(treebuilder)
+ p = HTMLParser(tb, namespaceHTMLElements=namespaceHTMLElements)
+ return p.parse(doc, **kwargs)
+
+
+def parseFragment(doc, container="div", treebuilder="etree", namespaceHTMLElements=True, **kwargs):
+ """Parse an HTML fragment as a string or file-like object into a tree
+
+ :arg doc: the fragment to parse as a string or file-like object
+
+ :arg container: the container context to parse the fragment in
+
+ :arg treebuilder: the treebuilder to use when parsing
+
+ :arg namespaceHTMLElements: whether or not to namespace HTML elements
+
+ :returns: parsed tree
+
+ Example:
+
+ >>> from html5lib.html5libparser import parseFragment
+ >>> parseFragment('this is a fragment ')
+
+
+ """
+ tb = treebuilders.getTreeBuilder(treebuilder)
+ p = HTMLParser(tb, namespaceHTMLElements=namespaceHTMLElements)
+ return p.parseFragment(doc, container=container, **kwargs)
+
+
+def method_decorator_metaclass(function):
+ class Decorated(type):
+ def __new__(meta, classname, bases, classDict):
+ for attributeName, attribute in classDict.items():
+ if isinstance(attribute, types.FunctionType):
+ attribute = function(attribute)
+
+ classDict[attributeName] = attribute
+ return type.__new__(meta, classname, bases, classDict)
+ return Decorated
+
+
+class HTMLParser(object):
+ """HTML parser
+
+ Generates a tree structure from a stream of (possibly malformed) HTML.
+
+ """
+
+ def __init__(self, tree=None, strict=False, namespaceHTMLElements=True, debug=False):
+ """
+ :arg tree: a treebuilder class controlling the type of tree that will be
+ returned. Built in treebuilders can be accessed through
+ html5lib.treebuilders.getTreeBuilder(treeType)
+
+ :arg strict: raise an exception when a parse error is encountered
+
+ :arg namespaceHTMLElements: whether or not to namespace HTML elements
+
+ :arg debug: whether or not to enable debug mode which logs things
+
+ Example:
+
+ >>> from html5lib.html5parser import HTMLParser
+ >>> parser = HTMLParser() # generates parser with etree builder
+ >>> parser = HTMLParser('lxml', strict=True) # generates parser with lxml builder which is strict
+
+ """
+
+ # Raise an exception on the first error encountered
+ self.strict = strict
+
+ if tree is None:
+ tree = treebuilders.getTreeBuilder("etree")
+ self.tree = tree(namespaceHTMLElements)
+ self.errors = []
+
+ self.phases = {name: cls(self, self.tree) for name, cls in
+ getPhases(debug).items()}
+
+ def _parse(self, stream, innerHTML=False, container="div", scripting=False, **kwargs):
+
+ self.innerHTMLMode = innerHTML
+ self.container = container
+ self.scripting = scripting
+ self.tokenizer = _tokenizer.HTMLTokenizer(stream, parser=self, **kwargs)
+ self.reset()
+
+ try:
+ self.mainLoop()
+ except _ReparseException:
+ self.reset()
+ self.mainLoop()
+
+ def reset(self):
+ self.tree.reset()
+ self.firstStartTag = False
+ self.errors = []
+ self.log = [] # only used with debug mode
+ # "quirks" / "limited quirks" / "no quirks"
+ self.compatMode = "no quirks"
+
+ if self.innerHTMLMode:
+ self.innerHTML = self.container.lower()
+
+ if self.innerHTML in cdataElements:
+ self.tokenizer.state = self.tokenizer.rcdataState
+ elif self.innerHTML in rcdataElements:
+ self.tokenizer.state = self.tokenizer.rawtextState
+ elif self.innerHTML == 'plaintext':
+ self.tokenizer.state = self.tokenizer.plaintextState
+ else:
+ # state already is data state
+ # self.tokenizer.state = self.tokenizer.dataState
+ pass
+ self.phase = self.phases["beforeHtml"]
+ self.phase.insertHtmlElement()
+ self.resetInsertionMode()
+ else:
+ self.innerHTML = False # pylint:disable=redefined-variable-type
+ self.phase = self.phases["initial"]
+
+ self.lastPhase = None
+
+ self.beforeRCDataPhase = None
+
+ self.framesetOK = True
+
+ @property
+ def documentEncoding(self):
+ """Name of the character encoding that was used to decode the input stream, or
+ :obj:`None` if that is not determined yet
+
+ """
+ if not hasattr(self, 'tokenizer'):
+ return None
+ return self.tokenizer.stream.charEncoding[0].name
+
+ def isHTMLIntegrationPoint(self, element):
+ if (element.name == "annotation-xml" and
+ element.namespace == namespaces["mathml"]):
+ return ("encoding" in element.attributes and
+ element.attributes["encoding"].translate(
+ asciiUpper2Lower) in
+ ("text/html", "application/xhtml+xml"))
+ else:
+ return (element.namespace, element.name) in htmlIntegrationPointElements
+
+ def isMathMLTextIntegrationPoint(self, element):
+ return (element.namespace, element.name) in mathmlTextIntegrationPointElements
+
+ def mainLoop(self):
+ CharactersToken = tokenTypes["Characters"]
+ SpaceCharactersToken = tokenTypes["SpaceCharacters"]
+ StartTagToken = tokenTypes["StartTag"]
+ EndTagToken = tokenTypes["EndTag"]
+ CommentToken = tokenTypes["Comment"]
+ DoctypeToken = tokenTypes["Doctype"]
+ ParseErrorToken = tokenTypes["ParseError"]
+
+ for token in self.tokenizer:
+ prev_token = None
+ new_token = token
+ while new_token is not None:
+ prev_token = new_token
+ currentNode = self.tree.openElements[-1] if self.tree.openElements else None
+ currentNodeNamespace = currentNode.namespace if currentNode else None
+ currentNodeName = currentNode.name if currentNode else None
+
+ type = new_token["type"]
+
+ if type == ParseErrorToken:
+ self.parseError(new_token["data"], new_token.get("datavars", {}))
+ new_token = None
+ else:
+ if (len(self.tree.openElements) == 0 or
+ currentNodeNamespace == self.tree.defaultNamespace or
+ (self.isMathMLTextIntegrationPoint(currentNode) and
+ ((type == StartTagToken and
+ token["name"] not in frozenset(["mglyph", "malignmark"])) or
+ type in (CharactersToken, SpaceCharactersToken))) or
+ (currentNodeNamespace == namespaces["mathml"] and
+ currentNodeName == "annotation-xml" and
+ type == StartTagToken and
+ token["name"] == "svg") or
+ (self.isHTMLIntegrationPoint(currentNode) and
+ type in (StartTagToken, CharactersToken, SpaceCharactersToken))):
+ phase = self.phase
+ else:
+ phase = self.phases["inForeignContent"]
+
+ if type == CharactersToken:
+ new_token = phase.processCharacters(new_token)
+ elif type == SpaceCharactersToken:
+ new_token = phase.processSpaceCharacters(new_token)
+ elif type == StartTagToken:
+ new_token = phase.processStartTag(new_token)
+ elif type == EndTagToken:
+ new_token = phase.processEndTag(new_token)
+ elif type == CommentToken:
+ new_token = phase.processComment(new_token)
+ elif type == DoctypeToken:
+ new_token = phase.processDoctype(new_token)
+
+ if (type == StartTagToken and prev_token["selfClosing"] and
+ not prev_token["selfClosingAcknowledged"]):
+ self.parseError("non-void-element-with-trailing-solidus",
+ {"name": prev_token["name"]})
+
+ # When the loop finishes it's EOF
+ reprocess = True
+ phases = []
+ while reprocess:
+ phases.append(self.phase)
+ reprocess = self.phase.processEOF()
+ if reprocess:
+ assert self.phase not in phases
+
+ def parse(self, stream, *args, **kwargs):
+ """Parse a HTML document into a well-formed tree
+
+ :arg stream: a file-like object or string containing the HTML to be parsed
+
+ The optional encoding parameter must be a string that indicates
+ the encoding. If specified, that encoding will be used,
+ regardless of any BOM or later declaration (such as in a meta
+ element).
+
+ :arg scripting: treat noscript elements as if JavaScript was turned on
+
+ :returns: parsed tree
+
+ Example:
+
+ >>> from html5lib.html5parser import HTMLParser
+ >>> parser = HTMLParser()
+ >>> parser.parse('This is a doc
')
+
+
+ """
+ self._parse(stream, False, None, *args, **kwargs)
+ return self.tree.getDocument()
+
+ def parseFragment(self, stream, *args, **kwargs):
+ """Parse a HTML fragment into a well-formed tree fragment
+
+ :arg container: name of the element we're setting the innerHTML
+ property if set to None, default to 'div'
+
+ :arg stream: a file-like object or string containing the HTML to be parsed
+
+ The optional encoding parameter must be a string that indicates
+ the encoding. If specified, that encoding will be used,
+ regardless of any BOM or later declaration (such as in a meta
+ element)
+
+ :arg scripting: treat noscript elements as if JavaScript was turned on
+
+ :returns: parsed tree
+
+ Example:
+
+ >>> from html5lib.html5libparser import HTMLParser
+ >>> parser = HTMLParser()
+ >>> parser.parseFragment('
+