Add __call__ to AsyncContextManager on Python 3.10+ #6624
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On Python 3.10+ AsyncContextManager implements __call__ so it can be used as a context manager
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Oops, seems like this is already in place |
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Diff from mypy_primer, showing the effect of this PR on open source code: starlette (https://github.com/encode/starlette)
+ starlette/routing.py:549: error: Incompatible types in assignment (expression has type "_DefaultLifespan", variable has type "Callable[[Any], AsyncContextManager[Any]]") [assignment]
+ starlette/routing.py:549: note: "_DefaultLifespan.__call__" has type "Callable[[Arg(object, 'app')], _DefaultLifespan]"
Tanjun (https://github.com/FasterSpeeding/Tanjun)
+ tanjun/dependencies/data.py:129: error: Incompatible return value type (got "Lock", expected "AsyncContextManager[Any]")
+ tanjun/dependencies/data.py:129: note: "Lock" is missing following "AsyncContextManager" protocol member:
+ tanjun/dependencies/data.py:129: note: __call__
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On Python 3.10+ AsyncContextManager implements call
so it can be used as a context manager on async functions.