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