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add contextlib._BaseExitStack (#12750)

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Improves the MRO of ExitStack and AsyncExitStack

related to https://github.com/python/typeshed/issues/3968
This commit is contained in:
Stephen Morton
2024-10-06 19:08:27 -07:00
committed by GitHub
parent f318894924
commit dbd0d35217
1 changed files with 6 additions and 8 deletions
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14
stdlib/contextlib.pyi
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@@ -143,13 +143,15 @@ class _RedirectStream(AbstractContextManager[_T_io, None]):
class redirect_stdout(_RedirectStream[_T_io]): ...
class redirect_stderr(_RedirectStream[_T_io]): ...
# In reality this is a subclass of `AbstractContextManager`;
# see #7961 for why we don't do that in the stub
class ExitStack(Generic[_ExitT_co], metaclass=abc.ABCMeta):
class _BaseExitStack(Generic[_ExitT_co]):
def enter_context(self, cm: AbstractContextManager[_T, _ExitT_co]) -> _T: ...
def push(self, exit: _CM_EF) -> _CM_EF: ...
def callback(self, callback: Callable[_P, _T], /, *args: _P.args, **kwds: _P.kwargs) -> Callable[_P, _T]: ...
def pop_all(self) -> Self: ...
# In reality this is a subclass of `AbstractContextManager`;
# see #7961 for why we don't do that in the stub
class ExitStack(_BaseExitStack[_ExitT_co], metaclass=abc.ABCMeta):
def close(self) -> None: ...
def __enter__(self) -> Self: ...
def __exit__(
@@ -163,16 +165,12 @@ _ACM_EF = TypeVar("_ACM_EF", bound=AbstractAsyncContextManager[Any, Any] | _Exit
# In reality this is a subclass of `AbstractAsyncContextManager`;
# see #7961 for why we don't do that in the stub
class AsyncExitStack(Generic[_ExitT_co], metaclass=abc.ABCMeta):
def enter_context(self, cm: AbstractContextManager[_T, _ExitT_co]) -> _T: ...
class AsyncExitStack(_BaseExitStack[_ExitT_co], metaclass=abc.ABCMeta):
async def enter_async_context(self, cm: AbstractAsyncContextManager[_T, _ExitT_co]) -> _T: ...
def push(self, exit: _CM_EF) -> _CM_EF: ...
def push_async_exit(self, exit: _ACM_EF) -> _ACM_EF: ...
def callback(self, callback: Callable[_P, _T], /, *args: _P.args, **kwds: _P.kwargs) -> Callable[_P, _T]: ...
def push_async_callback(
self, callback: Callable[_P, Awaitable[_T]], /, *args: _P.args, **kwds: _P.kwargs
) -> Callable[_P, Awaitable[_T]]: ...
def pop_all(self) -> Self: ...
async def aclose(self) -> None: ...
async def __aenter__(self) -> Self: ...
async def __aexit__(