[issue38846] async: Return context manager from open(_unix)_connection

[Andrew Svetlov]

Change by Andrew Svetlov :


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resolution:  -> wont fix
stage:  -> resolved
status: open -> closed

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[issue38846] async: Return context manager from open(_unix)_connection

[Andrew Svetlov]

Andrew Svetlov  added the comment:

>From my understanding, Yuri doesn't want to improve the existing streaming API 
>but invent something blessing new.

The improvement like you proposed has a very low chance to be accepted.

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[issue38846] async: Return context manager from open(_unix)_connection

[Sebastian Rittau]

New submission from Sebastian Rittau :

As a convenience it would be useful if async.open_connection() and 
open_unix_connection() would return a context manager that closes the writer on 
exit:

with await open_unix_connection(...) as (reader, writer):
...

This could be achieved by using a custom sub-class of tuple:

class _ConnectionContext(tuple):
def __enter__(self):
return self
def __exit__(self, *args):
self[1].close()

I can submit a PR if wanted.

--
components: asyncio
messages: 356962
nosy: asvetlov, srittau, yselivanov
priority: normal
severity: normal
status: open
title: async: Return context manager from open(_unix)_connection
versions: Python 3.8

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