[issue29679] Add @contextlib.asynccontextmanager

[Nick Coghlan]

Nick Coghlan added the comment:

python-dev thread: https://mail.python.org/pipermail/python-dev/2017-March/147501.html

In formulating my question for the list, it occurred to me that while asynccontextmanager doesn't need to depend on asyncio, the AsyncExitStack proposed in issue 29302 likely will, which pushes me towards favouring the `asyncio.contextlib.asynccontextmanager` approach.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29679>
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