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gh-90467: StreamReaderProtocol - add strong reference to created task (GH-96323)

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(cherry picked from commit e860e521ec)

Co-authored-by: Kirill <iam@python273.pw>
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Miss Islington (bot) 2022-09-08 08:39:20 -07:00 • committed by GitHub
parent 19b94bc136
commit 280130f035
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3 changed files with 7 additions and 1 deletions
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4
Lib/asyncio/streams.py
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@ -206,6 +206,7 @@ class StreamReaderProtocol(FlowControlMixin, protocols.Protocol):
self._strong_reader = stream_reader self._strong_reader = stream_reader
self._reject_connection = False self._reject_connection = False
self._stream_writer = None self._stream_writer = None
self._task = None
self._transport = None self._transport = None
self._client_connected_cb = client_connected_cb self._client_connected_cb = client_connected_cb
self._over_ssl = False self._over_ssl = False
@ -241,7 +242,7 @@ class StreamReaderProtocol(FlowControlMixin, protocols.Protocol):
res = self._client_connected_cb(reader, res = self._client_connected_cb(reader,
self._stream_writer) self._stream_writer)
if coroutines.iscoroutine(res): if coroutines.iscoroutine(res):
self._loop.create_task(res) self._task = self._loop.create_task(res)
self._strong_reader = None self._strong_reader = None
def connection_lost(self, exc): def connection_lost(self, exc):
@ -259,6 +260,7 @@ class StreamReaderProtocol(FlowControlMixin, protocols.Protocol):
super().connection_lost(exc) super().connection_lost(exc)
self._stream_reader_wr = None self._stream_reader_wr = None
self._stream_writer = None self._stream_writer = None
self._task = None
self._transport = None self._transport = None
def data_received(self, data): def data_received(self, data):

2
Misc/ACKS
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@ -1428,6 +1428,7 @@ Ram Rachum
Jeffrey Rackauckas Jeffrey Rackauckas
Jérôme Radix Jérôme Radix
Burton Radons Burton Radons
Kirill (python273) R.
Abhilash Raj Abhilash Raj
Shorya Raj Shorya Raj
Dhushyanth Ramasamy Dhushyanth Ramasamy
@ -1966,6 +1967,7 @@ Gordon Worley
Darren Worrall Darren Worrall
Thomas Wouters Thomas Wouters
Daniel Wozniak Daniel Wozniak
Simon Wrede
Marcin Niemira Marcin Niemira
Wei Wu Wei Wu
Heiko Wundram Heiko Wundram

2
Misc/NEWS.d/next/Library/2022-08-27-14-38-49.gh-issue-90467.VOOB0p.rst Normal file
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@ -0,0 +1,2 @@
Fix :class:`asyncio.streams.StreamReaderProtocol` to keep a strong reference
to the created task, so that it's not garbage collected