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The four protocol-like ABCs outside of collections.abc inherit from ABC directly (#13005)

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Stephen Morton
2024-11-16 10:00:39 -08:00
committed by GitHub
parent 7c7629d909
commit f554f54673
3 changed files with 18 additions and 6 deletions
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12
stdlib/contextlib.pyi
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@@ -1,7 +1,7 @@
import abc
import sys
from _typeshed import FileDescriptorOrPath, Unused
from abc import abstractmethod
from abc import ABC, abstractmethod
from collections.abc import AsyncGenerator, AsyncIterator, Awaitable, Callable, Generator, Iterator
from types import TracebackType
from typing import IO, Any, Generic, Protocol, TypeVar, overload, runtime_checkable
@@ -38,16 +38,22 @@ _P = ParamSpec("_P")
_ExitFunc: TypeAlias = Callable[[type[BaseException] | None, BaseException | None, TracebackType | None], bool | None]
_CM_EF = TypeVar("_CM_EF", bound=AbstractContextManager[Any, Any] | _ExitFunc)
# mypy and pyright object to this being both ABC and Protocol.
# At runtime it inherits from ABC and is not a Protocol, but it is on the
# allowlist for use as a Protocol.
@runtime_checkable
class AbstractContextManager(Protocol[_T_co, _ExitT_co]):
class AbstractContextManager(ABC, Protocol[_T_co, _ExitT_co]): # type: ignore[misc] # pyright: ignore[reportGeneralTypeIssues]
def __enter__(self) -> _T_co: ...
@abstractmethod
def __exit__(
self, exc_type: type[BaseException] | None, exc_value: BaseException | None, traceback: TracebackType | None, /
) -> _ExitT_co: ...
# mypy and pyright object to this being both ABC and Protocol.
# At runtime it inherits from ABC and is not a Protocol, but it is on the
# allowlist for use as a Protocol.
@runtime_checkable
class AbstractAsyncContextManager(Protocol[_T_co, _ExitT_co]):
class AbstractAsyncContextManager(ABC, Protocol[_T_co, _ExitT_co]): # type: ignore[misc] # pyright: ignore[reportGeneralTypeIssues]
async def __aenter__(self) -> _T_co: ...
@abstractmethod
async def __aexit__(