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bpo-36542: Allow to overwrite the signature for Python functions. (GH-12705)

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Serhiy Storchaka 2019-05-06 22:40:27 +03:00 • committed by GitHub
parent 96aeaec647
commit d53cf99dca
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17 changed files with 40 additions and 3 deletions
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Lib/contextlib.py
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@ -454,6 +454,7 @@ class _BaseExitStack:
_exit_wrapper.__wrapped__ = callback
self._push_exit_callback(_exit_wrapper)
return callback # Allow use as a decorator
callback.__text_signature__ = '($self, callback, /, *args, **kwds)'
def _push_cm_exit(self, cm, cm_exit):
"""Helper to correctly register callbacks to __exit__ methods."""
@ -615,6 +616,7 @@ class AsyncExitStack(_BaseExitStack, AbstractAsyncContextManager):
_exit_wrapper.__wrapped__ = callback
self._push_exit_callback(_exit_wrapper, False)
return callback # Allow use as a decorator
push_async_callback.__text_signature__ = '($self, callback, /, *args, **kwds)'
async def aclose(self):
"""Immediately unwind the context stack."""