diff options
| author | Guido van Rossum <guido@python.org> | 2017-01-18 21:10:31 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 2017-01-18 21:10:31 (GMT) |
| commit | e9ed560fcec8d2d1f9705e93049cdb3790d40838 (patch) | |
| tree | 1f0bca19696f5d9735bf36e4ceb97e4bd190a55f /Lib/typing.py | |
| parent | 3c268be885d62b1b5ac572340641024af2c02ce4 (diff) | |
| download | cpython-e9ed560fcec8d2d1f9705e93049cdb3790d40838.zip cpython-e9ed560fcec8d2d1f9705e93049cdb3790d40838.tar.gz cpython-e9ed560fcec8d2d1f9705e93049cdb3790d40838.tar.bz2 | |
Issue #29198: add AsyncGenerator (Jelle Zijlstra)
Diffstat (limited to 'Lib/typing.py')
| -rw-r--r-- | Lib/typing.py | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/Lib/typing.py b/Lib/typing.py index 0aeb089..00ef440 100644 --- a/Lib/typing.py +++ b/Lib/typing.py @@ -51,7 +51,8 @@ __all__ = [ # AsyncIterable, # Coroutine, # Collection, - # ContextManager + # ContextManager, + # AsyncGenerator, # Structural checks, a.k.a. protocols. 'Reversible', @@ -1900,6 +1901,13 @@ class Generator(Iterator[T_co], Generic[T_co, T_contra, V_co], "create a subclass instead") return _generic_new(_G_base, cls, *args, **kwds) +if hasattr(collections_abc, 'AsyncGenerator'): + class AsyncGenerator(AsyncIterator[T_co], Generic[T_co, T_contra], + extra=collections_abc.AsyncGenerator): + __slots__ = () + + __all__.append('AsyncGenerator') + # Internal type variable used for Type[]. CT_co = TypeVar('CT_co', covariant=True, bound=type) |