diff --git a/Lib/asyncio/streams.py b/Lib/asyncio/streams.py index f82b10c3803656..ffb48b9cd6cb70 100644 --- a/Lib/asyncio/streams.py +++ b/Lib/asyncio/streams.py @@ -406,9 +406,11 @@ async def start_tls(self, sslcontext, *, def __del__(self, warnings=warnings): if not self._transport.is_closing(): - self.close() - warnings.warn(f"unclosed {self!r}", ResourceWarning) - + if self._loop.is_closed(): + warnings.warn("loop is closed", ResourceWarning) + else: + self.close() + warnings.warn(f"unclosed {self!r}", ResourceWarning) class StreamReader: diff --git a/Lib/test/test_asyncio/test_streams.py b/Lib/test/test_asyncio/test_streams.py index 3fea7b9f6911aa..ccb7dbf667c320 100644 --- a/Lib/test/test_asyncio/test_streams.py +++ b/Lib/test/test_asyncio/test_streams.py @@ -1082,10 +1082,11 @@ async def inner(httpd): self.assertEqual(data, b'HTTP/1.0 200 OK\r\n') data = await rd.read() self.assertTrue(data.endswith(b'\r\n\r\nTest message')) - with self.assertWarns(ResourceWarning): + with self.assertWarns(ResourceWarning) as cm: del wr gc.collect() - + self.assertEqual(len(cm.warnings), 1) + self.assertTrue(str(cm.warnings[0].message).startswith("unclosed None: port = socket_helper.find_unused_port() diff --git a/Misc/NEWS.d/next/Library/2023-11-11-16-42-48.gh-issue-109538.cMG5ux.rst b/Misc/NEWS.d/next/Library/2023-11-11-16-42-48.gh-issue-109538.cMG5ux.rst new file mode 100644 index 00000000000000..d1ee4c054a3f19 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2023-11-11-16-42-48.gh-issue-109538.cMG5ux.rst @@ -0,0 +1 @@ +Issue warning message instead of having :class:`RuntimeError` be displayed when event loop has already been closed at :meth:`StreamWriter.__del__`. pFad - Phonifier reborn

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