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[3.11] [3.12] GH-106684: Close asyncio.StreamWriter when asyncio.StreamWriter is not closed by application (GH-107650) (GH-107656) (#107836)

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[3.12] GH-106684:  Close `asyncio.StreamWriter` when `asyncio.StreamWriter` is not closed by application (GH-107650) (GH-107656)

GH-106684: raise `ResourceWarning` when `asyncio.StreamWriter` is not closed (GH-107650)
(cherry picked from commit 41178e4199)

(cherry picked from commit 7853c76906)

Co-authored-by: Kumar Aditya <kumaraditya@python.org>
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Miss Islington (bot) 2023-08-10 03:44:31 -07:00 • committed by GitHub
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4
Lib/asyncio/streams.py
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@ -391,6 +391,10 @@ class StreamWriter:
self._transport = new_transport
protocol._replace_writer(self)
def __del__(self):
if not self._transport.is_closing():
self.close()
class StreamReader:

1
Misc/NEWS.d/next/Library/2023-08-05-05-10-41.gh-issue-106684.P9zRXb.rst Normal file
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@ -0,0 +1 @@
Close :class:`asyncio.StreamWriter` when it is not closed by application leading to memory leaks. Patch by Kumar Aditya.