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Require AsyncGenerator for asynccontextmanager #8698

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Require AsyncGenerator for asynccontextmanager #8698

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12 changes: 8 additions & 4 deletions stdlib/contextlib.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@ import abc
import sys
from _typeshed import Self, StrOrBytesPath
from abc import abstractmethod
from collections.abc import AsyncGenerator, AsyncIterator, Awaitable, Callable, Generator, Iterator
from collections.abc import AsyncGenerator, Awaitable, Callable, Generator, Iterator
from types import TracebackType
from typing import IO, Any, Generic, Protocol, TypeVar, overload, runtime_checkable
from typing_extensions import ParamSpec, TypeAlias
Expand Down Expand Up @@ -79,7 +79,9 @@ if sys.version_info >= (3, 10):
class _AsyncGeneratorContextManager(AbstractAsyncContextManager[_T_co], AsyncContextDecorator, Generic[_T_co]):
# __init__ and these attributes are actually defined in the base class _GeneratorContextManagerBase,
# which is more trouble than it's worth to include in the stub (see #6676)
def __init__(self, func: Callable[..., AsyncIterator[_T_co]], args: tuple[Any, ...], kwds: dict[str, Any]) -> None: ...
def __init__(
self, func: Callable[..., AsyncGenerator[_T_co, Any]], args: tuple[Any, ...], kwds: dict[str, Any]
) -> None: ...
gen: AsyncGenerator[_T_co, Any]
func: Callable[..., AsyncGenerator[_T_co, Any]]
args: tuple[Any, ...]
Expand All @@ -90,7 +92,9 @@ if sys.version_info >= (3, 10):

else:
class _AsyncGeneratorContextManager(AbstractAsyncContextManager[_T_co], Generic[_T_co]):
def __init__(self, func: Callable[..., AsyncIterator[_T_co]], args: tuple[Any, ...], kwds: dict[str, Any]) -> None: ...
def __init__(
self, func: Callable[..., AsyncGenerator[_T_co, Any]], args: tuple[Any, ...], kwds: dict[str, Any]
) -> None: ...
gen: AsyncGenerator[_T_co, Any]
func: Callable[..., AsyncGenerator[_T_co, Any]]
args: tuple[Any, ...]
Expand All @@ -99,7 +103,7 @@ else:
self, typ: type[BaseException] | None, value: BaseException | None, traceback: TracebackType | None
) -> bool | None: ...

def asynccontextmanager(func: Callable[_P, AsyncIterator[_T_co]]) -> Callable[_P, _AsyncGeneratorContextManager[_T_co]]: ...
def asynccontextmanager(func: Callable[_P, AsyncGenerator[_T_co, Any]]) -> Callable[_P, _AsyncGeneratorContextManager[_T_co]]: ...

class _SupportsClose(Protocol):
def close(self) -> object: ...
Expand Down