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Commit 7e9a4d5

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author
Yury Selivanov
committed
Improve performance of asyncio.iscoroutine
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‎asyncio/coroutines.py‎

Lines changed: 8 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -33,12 +33,16 @@
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try:
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_types_coroutine = types.coroutine
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_types_CoroutineType = types.CoroutineType
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except AttributeError:
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# Python 3.4
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_types_coroutine = None
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_types_CoroutineType = None
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try:
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_inspect_iscoroutinefunction = inspect.iscoroutinefunction
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except AttributeError:
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# Python 3.4
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_inspect_iscoroutinefunction = lambda func: False
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try:
@@ -255,6 +259,10 @@ def iscoroutinefunction(func):
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_COROUTINE_TYPES = (types.GeneratorType, CoroWrapper)
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if _CoroutineABC is not None:
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_COROUTINE_TYPES += (_CoroutineABC,)
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if _types_CoroutineType is not None:
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# Prioritize native coroutine check to speed-up
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# asyncio.iscoroutine.
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_COROUTINE_TYPES = (_types_CoroutineType,) + _COROUTINE_TYPES
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def iscoroutine(obj):

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