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Revert "Improve [Async]ContextDecorator type hinting (#13416)" (#13436)

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This reverts commit 57d7c4334b.

The attempted fix loses all type overload information during type
inferencing, so postpone fixing the issue until we have a solution
which doesn't impose such a dramatic loss in functionality.

Reopens #13403
This commit is contained in:
Alyssa Coghlan
2025-02-14 14:49:51 +10:00
committed by GitHub
parent a410f251ee
commit 3f41b30535
2 changed files with 7 additions and 9 deletions
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stdlib/contextlib.pyi
+4 -8
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@@ -32,9 +32,9 @@ _T = TypeVar("_T")
_T_co = TypeVar("_T_co", covariant=True)
_T_io = TypeVar("_T_io", bound=IO[str] | None)
_ExitT_co = TypeVar("_ExitT_co", covariant=True, bound=bool | None, default=bool | None)
_F = TypeVar("_F", bound=Callable[..., Any])
_G = TypeVar("_G", bound=Generator[Any, Any, Any] | AsyncGenerator[Any, Any], covariant=True)
_P = ParamSpec("_P")
_R = TypeVar("_R")
_SendT_contra = TypeVar("_SendT_contra", contravariant=True, default=None)
_ReturnT_co = TypeVar("_ReturnT_co", covariant=True, default=None)
@@ -64,13 +64,9 @@ class AbstractAsyncContextManager(ABC, Protocol[_T_co, _ExitT_co]): # type: ign
self, exc_type: type[BaseException] | None, exc_value: BaseException | None, traceback: TracebackType | None, /
) -> _ExitT_co: ...
class _WrappedCallable(Generic[_P, _R]):
__wrapped__: Callable[_P, _R]
def __call__(self, *args: _P.args, **kwargs: _P.kwargs) -> _R: ...
class ContextDecorator:
def _recreate_cm(self) -> Self: ...
def __call__(self, func: Callable[_P, _R]) -> _WrappedCallable[_P, _R]: ...
def __call__(self, func: _F) -> _F: ...
class _GeneratorContextManagerBase(Generic[_G]):
# Ideally this would use ParamSpec, but that requires (*args, **kwargs), which this isn't. see #6676
@@ -97,11 +93,11 @@ class _GeneratorContextManager(
def contextmanager(func: Callable[_P, Iterator[_T_co]]) -> Callable[_P, _GeneratorContextManager[_T_co]]: ...
if sys.version_info >= (3, 10):
_AR = TypeVar("_AR", bound=Awaitable[Any])
_AF = TypeVar("_AF", bound=Callable[..., Awaitable[Any]])
class AsyncContextDecorator:
def _recreate_cm(self) -> Self: ...
def __call__(self, func: Callable[_P, _AR]) -> _WrappedCallable[_P, _AR]: ...
def __call__(self, func: _AF) -> _AF: ...
class _AsyncGeneratorContextManager(
_GeneratorContextManagerBase[AsyncGenerator[_T_co, _SendT_contra]],