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35 lines
990 B
35 lines
990 B
3 years ago
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from pip._vendor.packaging.version import parse as parse_version
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from pip._internal.models.link import Link
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from pip._internal.utils.models import KeyBasedCompareMixin
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class InstallationCandidate(KeyBasedCompareMixin):
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"""Represents a potential "candidate" for installation."""
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__slots__ = ["name", "version", "link"]
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def __init__(self, name: str, version: str, link: Link) -> None:
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self.name = name
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self.version = parse_version(version)
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self.link = link
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super().__init__(
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key=(self.name, self.version, self.link),
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defining_class=InstallationCandidate,
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)
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def __repr__(self) -> str:
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return "<InstallationCandidate({!r}, {!r}, {!r})>".format(
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self.name,
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self.version,
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self.link,
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)
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def __str__(self) -> str:
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return "{!r} candidate (version {} at {})".format(
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self.name,
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self.version,
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self.link,
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)
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