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asyncio.open_connection happy_eyeballs_delay leaves refcycles with exception tracebacks #124858
Description
Bug report
Bug description:
import asyncio
import gc
import objgraph
import weakref
async def amain():
exc = None
try:
await asyncio.open_connection(
host="localhost", port=8080, happy_eyeballs_delay=0.25
)
except* OSError as excs:
exc = excs.exceptions[0]
assert exc is not None
print(gc.get_referrers(exc))
asyncio.run(amain())should be empty but you get a bunch of exceptions lists:
[[ConnectionRefusedError(111, "Connect call failed ('127.0.0.1', 8080)")], [ConnectionRefusedError(111, "Connect call failed ('127.0.0.1', 8080)")]]
CPython versions tested on:
3.12, 3.13, CPython main branch
Operating systems tested on:
Linux
Activity
gh-124858: fix happy eyeballs refcyles (#124859)
pythongh-124858: fix happy eyeballs refcyles (pythonGH-124859)
pythongh-124858: fix happy eyeballs refcyles (pythonGH-124859)
[3.12] gh-124858: fix happy eyeballs refcyles (GH-124859) (#124913)
[3.13] gh-124858: fix happy eyeballs refcyles (GH-124859) (#124912)