mirror of
https://github.com/YunoHost-Apps/ffsync_ynh.git
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119 lines
3.8 KiB
Python
119 lines
3.8 KiB
Python
from pip._vendor.packaging.utils import canonicalize_name
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from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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from .base import Requirement, format_name
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if MYPY_CHECK_RUNNING:
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from typing import Sequence
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from pip._vendor.packaging.specifiers import SpecifierSet
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from pip._internal.req.req_install import InstallRequirement
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from .base import Candidate
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from .factory import Factory
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class ExplicitRequirement(Requirement):
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def __init__(self, candidate):
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# type: (Candidate) -> None
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self.candidate = candidate
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def __repr__(self):
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# type: () -> str
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return "{class_name}({candidate!r})".format(
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class_name=self.__class__.__name__,
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candidate=self.candidate,
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)
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@property
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def name(self):
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# type: () -> str
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# No need to canonicalise - the candidate did this
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return self.candidate.name
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def find_matches(self):
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# type: () -> Sequence[Candidate]
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return [self.candidate]
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def is_satisfied_by(self, candidate):
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# type: (Candidate) -> bool
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return candidate == self.candidate
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class SpecifierRequirement(Requirement):
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def __init__(self, ireq, factory):
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# type: (InstallRequirement, Factory) -> None
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assert ireq.link is None, "This is a link, not a specifier"
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self._ireq = ireq
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self._factory = factory
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self.extras = ireq.req.extras
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def __str__(self):
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# type: () -> str
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return str(self._ireq.req)
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def __repr__(self):
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# type: () -> str
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return "{class_name}({requirement!r})".format(
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class_name=self.__class__.__name__,
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requirement=str(self._ireq.req),
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)
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@property
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def name(self):
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# type: () -> str
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canonical_name = canonicalize_name(self._ireq.req.name)
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return format_name(canonical_name, self.extras)
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def find_matches(self):
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# type: () -> Sequence[Candidate]
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it = self._factory.iter_found_candidates(self._ireq, self.extras)
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return list(it)
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def is_satisfied_by(self, candidate):
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# type: (Candidate) -> bool
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assert candidate.name == self.name, \
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"Internal issue: Candidate is not for this requirement " \
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" {} vs {}".format(candidate.name, self.name)
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# We can safely always allow prereleases here since PackageFinder
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# already implements the prerelease logic, and would have filtered out
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# prerelease candidates if the user does not expect them.
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spec = self._ireq.req.specifier
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return spec.contains(candidate.version, prereleases=True)
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class RequiresPythonRequirement(Requirement):
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"""A requirement representing Requires-Python metadata.
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"""
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def __init__(self, specifier, match):
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# type: (SpecifierSet, Candidate) -> None
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self.specifier = specifier
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self._candidate = match
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def __repr__(self):
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# type: () -> str
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return "{class_name}({specifier!r})".format(
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class_name=self.__class__.__name__,
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specifier=str(self.specifier),
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)
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@property
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def name(self):
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# type: () -> str
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return self._candidate.name
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def find_matches(self):
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# type: () -> Sequence[Candidate]
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if self._candidate.version in self.specifier:
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return [self._candidate]
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return []
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def is_satisfied_by(self, candidate):
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# type: (Candidate) -> bool
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assert candidate.name == self._candidate.name, "Not Python candidate"
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# We can safely always allow prereleases here since PackageFinder
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# already implements the prerelease logic, and would have filtered out
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# prerelease candidates if the user does not expect them.
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return self.specifier.contains(candidate.version, prereleases=True)
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