diff options
Diffstat (limited to 'node_modules/node-gyp/gyp/pylib/packaging/requirements.py')
| -rw-r--r-- | node_modules/node-gyp/gyp/pylib/packaging/requirements.py | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/node_modules/node-gyp/gyp/pylib/packaging/requirements.py b/node_modules/node-gyp/gyp/pylib/packaging/requirements.py deleted file mode 100644 index 0c00eba..0000000 --- a/node_modules/node-gyp/gyp/pylib/packaging/requirements.py +++ /dev/null @@ -1,90 +0,0 @@ -# This file is dual licensed under the terms of the Apache License, Version -# 2.0, and the BSD License. See the LICENSE file in the root of this repository -# for complete details. - -from typing import Any, Iterator, Optional, Set - -from ._parser import parse_requirement as _parse_requirement -from ._tokenizer import ParserSyntaxError -from .markers import Marker, _normalize_extra_values -from .specifiers import SpecifierSet -from .utils import canonicalize_name - - -class InvalidRequirement(ValueError): - """ - An invalid requirement was found, users should refer to PEP 508. - """ - - -class Requirement: - """Parse a requirement. - - Parse a given requirement string into its parts, such as name, specifier, - URL, and extras. Raises InvalidRequirement on a badly-formed requirement - string. - """ - - # TODO: Can we test whether something is contained within a requirement? - # If so how do we do that? Do we need to test against the _name_ of - # the thing as well as the version? What about the markers? - # TODO: Can we normalize the name and extra name? - - def __init__(self, requirement_string: str) -> None: - try: - parsed = _parse_requirement(requirement_string) - except ParserSyntaxError as e: - raise InvalidRequirement(str(e)) from e - - self.name: str = parsed.name - self.url: Optional[str] = parsed.url or None - self.extras: Set[str] = set(parsed.extras if parsed.extras else []) - self.specifier: SpecifierSet = SpecifierSet(parsed.specifier) - self.marker: Optional[Marker] = None - if parsed.marker is not None: - self.marker = Marker.__new__(Marker) - self.marker._markers = _normalize_extra_values(parsed.marker) - - def _iter_parts(self, name: str) -> Iterator[str]: - yield name - - if self.extras: - formatted_extras = ",".join(sorted(self.extras)) - yield f"[{formatted_extras}]" - - if self.specifier: - yield str(self.specifier) - - if self.url: - yield f"@ {self.url}" - if self.marker: - yield " " - - if self.marker: - yield f"; {self.marker}" - - def __str__(self) -> str: - return "".join(self._iter_parts(self.name)) - - def __repr__(self) -> str: - return f"<Requirement('{self}')>" - - def __hash__(self) -> int: - return hash( - ( - self.__class__.__name__, - *self._iter_parts(canonicalize_name(self.name)), - ) - ) - - def __eq__(self, other: Any) -> bool: - if not isinstance(other, Requirement): - return NotImplemented - - return ( - canonicalize_name(self.name) == canonicalize_name(other.name) - and self.extras == other.extras - and self.specifier == other.specifier - and self.url == other.url - and self.marker == other.marker - ) |