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authorMiss Islington (bot) <31488909+miss-islington@users.noreply.github.com>2023-05-18 00:09:12 (GMT)
committerGitHub <noreply@github.com>2023-05-18 00:09:12 (GMT)
commita8fc8b7e81e1e830771758a00312b7cea2803085 (patch)
treedc863514b95018c8d69760060e25625fab846546
parent610cc0ab1b760b2abaac92bd256b96191c46b941 (diff)
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[3.11] gh-104340: Suppress warning about unawaited exception for closed pipe stdin (GH-104586) (#104594)
(cherry picked from commit 7fc8e2d4627cdba5cb0075c9052ed6f4b6ecd36d) Co-authored-by: Guido van Rossum <guido@python.org>
-rw-r--r--Lib/asyncio/subprocess.py3
-rw-r--r--Misc/NEWS.d/next/Library/2023-05-17-20-03-01.gh-issue-104340.kp_XmX.rst1
2 files changed, 4 insertions, 0 deletions
diff --git a/Lib/asyncio/subprocess.py b/Lib/asyncio/subprocess.py
index cd10231..c380bbb 100644
--- a/Lib/asyncio/subprocess.py
+++ b/Lib/asyncio/subprocess.py
@@ -81,6 +81,9 @@ class SubprocessStreamProtocol(streams.FlowControlMixin,
self._stdin_closed.set_result(None)
else:
self._stdin_closed.set_exception(exc)
+ # Since calling `wait_closed()` is not mandatory,
+ # we shouldn't log the traceback if this is not awaited.
+ self._stdin_closed._log_traceback = False
return
if fd == 1:
reader = self.stdout
diff --git a/Misc/NEWS.d/next/Library/2023-05-17-20-03-01.gh-issue-104340.kp_XmX.rst b/Misc/NEWS.d/next/Library/2023-05-17-20-03-01.gh-issue-104340.kp_XmX.rst
new file mode 100644
index 0000000..5b03622
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2023-05-17-20-03-01.gh-issue-104340.kp_XmX.rst
@@ -0,0 +1 @@
+When an ``asyncio`` pipe protocol loses its connection due to an error, and the caller doesn't await ``wait_closed()`` on the corresponding ``StreamWriter``, don't log a warning about an exception that was never retrieved. After all, according to the ``StreamWriter.close()`` docs, the ``wait_closed()`` call is optional ("not mandatory").