编辑 base.py - 文件管理器

✏️ 编辑：base.py

路径：/usr/lib/python3.9/site-packages/pip/_internal/distributions/base.py

大小：1.14 KB · 修改：2026-05-23 08:59:52 · 权限：0644 · 只读（保存会失败）

import abc

from pip._internal.index.package_finder import PackageFinder
from pip._internal.metadata.base import BaseDistribution
from pip._internal.req import InstallRequirement

class AbstractDistribution(metaclass=abc.ABCMeta):
    """A base class for handling installable artifacts.

The requirements for anything installable are as follows:

- we must be able to determine the requirement name
       (or we can't correctly handle the non-upgrade case).

- for packages with setup requirements, we must also be able
       to determine their requirements without installing additional
       packages (for the same reason as run-time dependencies)

- we must be able to create a Distribution object exposing the
       above metadata.
    """

def __init__(self, req: InstallRequirement) -> None:
        super().__init__()
        self.req = req

@abc.abstractmethod
    def get_metadata_distribution(self) -> BaseDistribution:
        raise NotImplementedError()

@abc.abstractmethod
    def prepare_distribution_metadata(
        self, finder: PackageFinder, build_isolation: bool
    ) -> None:
        raise NotImplementedError()