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[3.13] gh-128078: Clear exception in anext before calling _PyGen_SetStopIterationValue (GH-128780) (#128785)

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gh-128078: Clear exception in `anext` before calling `_PyGen_SetStopIterationValue` (GH-128780)
(cherry picked from commit 76ffaef729)

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
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Miss Islington (bot) 2025-01-13 14:20:49 +01:00 • committed by GitHub
parent 632745ade1
commit 66d0636025
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17
Lib/test/test_asyncgen.py
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@ -1152,6 +1152,23 @@ class AsyncGenAsyncioTest(unittest.TestCase):
self.loop.run_until_complete(run())
def test_async_gen_asyncio_anext_tuple_no_exceptions(self):
# StopAsyncIteration exceptions should be cleared.
# See: https://github.com/python/cpython/issues/128078.
async def foo():
if False:
yield (1, 2)
async def run():
it = foo().__aiter__()
with self.assertRaises(StopAsyncIteration):
await it.__anext__()
res = await anext(it, ('a', 'b'))
self.assertEqual(res, ('a', 'b'))
self.loop.run_until_complete(run())
def test_async_gen_asyncio_anext_stopiteration(self):
async def foo():
try: