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add contextlib._BaseExitStack #12750

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merged 1 commit into from
Oct 7, 2024
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add contextlib._BaseExitStack #12750

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14 changes: 6 additions & 8 deletions stdlib/contextlib.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -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__(
Expand All @@ -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__(
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