You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.7 KiB
Python
52 lines
1.7 KiB
Python
![]()
2 months ago
|
import abc
|
||
|
from typing import Optional
|
||
|
|
||
|
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.
|
||
|
|
||
|
- if we need to do work in the build tracker, we must be able to generate a unique
|
||
|
string to identify the requirement in the build tracker.
|
||
|
"""
|
||
|
|
||
|
def __init__(self, req: InstallRequirement) -> None:
|
||
|
super().__init__()
|
||
|
self.req = req
|
||
|
|
||
|
@abc.abstractproperty
|
||
|
def build_tracker_id(self) -> Optional[str]:
|
||
|
"""A string that uniquely identifies this requirement to the build tracker.
|
||
|
|
||
|
If None, then this dist has no work to do in the build tracker, and
|
||
|
``.prepare_distribution_metadata()`` will not be called."""
|
||
|
raise NotImplementedError()
|
||
|
|
||
|
@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()
|