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- from dataclasses import dataclass
- from pip._vendor.packaging.version import Version
- from pip._vendor.packaging.version import parse as parse_version
- from pip._internal.models.link import Link
- @dataclass(frozen=True)
- class InstallationCandidate:
- """Represents a potential "candidate" for installation."""
- __slots__ = ["name", "version", "link"]
- name: str
- version: Version
- link: Link
- def __init__(self, name: str, version: str, link: Link) -> None:
- object.__setattr__(self, "name", name)
- object.__setattr__(self, "version", parse_version(version))
- object.__setattr__(self, "link", link)
- def __str__(self) -> str:
- return f"{self.name!r} candidate (version {self.version} at {self.link})"
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