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File Content: `base.py`

# The following comment should be removed at some point in the future.
# mypy: disallow-untyped-defs=False

import abc

from pip._vendor.six import add_metaclass


@add_metaclass(abc.ABCMeta)
class AbstractDistribution(object):
    """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):
        super(AbstractDistribution, self).__init__()
        self.req = req

    @abc.abstractmethod
    def get_pkg_resources_distribution(self):
        raise NotImplementedError()

    @abc.abstractmethod
    def prepare_distribution_metadata(self, finder, build_isolation):
        raise NotImplementedError()

Name	Size	Permission
__pycache__	---	0755
source	---	0755
__init__.py	967 bytes	0644
base.py	1108 bytes	0644
installed.py	542 bytes	0644
wheel.py	616 bytes	0644

File Content: base.py

File Content: `base.py`