관리-도구

편집 파일: base.py

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,
        check_build_deps: bool,
    ) -> None:
        raise NotImplementedError()