venv/lib/python3.11/site-packages/pip/_internal/models/candidate.py

   1 from pip._vendor.packaging.version import parse as parse_version
   2
   3 from pip._internal.models.link import Link
   4 from pip._internal.utils.models import KeyBasedCompareMixin
   5
   6
   7 class InstallationCandidate(KeyBasedCompareMixin):
   8     """Represents a potential "candidate" for installation."""
   9
  10     __slots__ = ["name", "version", "link"]
  11
  12     def __init__(self, name: str, version: str, link: Link) -> None:
  13         self.name = name
  14         self.version = parse_version(version)
  15         self.link = link
  16
  17         super().__init__(
  18             key=(self.name, self.version, self.link),
  19             defining_class=InstallationCandidate,
  20         )
  21
  22     def __repr__(self) -> str:
  23         return "<InstallationCandidate({!r}, {!r}, {!r})>".format(
  24             self.name,
  25             self.version,
  26             self.link,
  27         )
  28
  29     def __str__(self) -> str:
  30         return "{!r} candidate (version {} at {})".format(
  31             self.name,
  32             self.version,
  33             self.link,
  34         )