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GH-93252: Fix error handling for failed Python calls #94693

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Merged
merged 4 commits into from
Jul 9, 2022
Merged

GH-93252: Fix error handling for failed Python calls #94693

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d0b41d1
Add failing regression test
brandtbucher Jul 8, 2022
e21751f
Always pop the new frame after a failed call
brandtbucher Jul 8, 2022
eb6f8c4
blurb add
brandtbucher Jul 8, 2022
5b46418
Fix compiler warning
brandtbucher Jul 8, 2022
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Add failing regression test
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@brandtbucher
brandtbucher committed Jul 8, 2022
commit d0b41d1fc284bf94b9316166354cf2fea606676e
12 changes: 12 additions & 0 deletions Lib/test/test_call.py
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Expand Up @@ -26,6 +26,18 @@ def fn(**kw):
self.assertIsInstance(res, dict)
self.assertEqual(list(res.items()), expected)

def test_frames_are_popped_after_failed_calls(self):
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Not that it matters much, but maybe you want to add the CPython specific decorator

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I thought about that, but I figure that this should still pass on any CPython implementation. If you somehow crash here, it's a bug, right? 😉

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Yeah, we have been approaching these kind of tests in different ways so it doesn't matter :)

# GH-93252: stuff blows up if we don't pop the new frame after
# recovering from failed calls:
def f():
pass
for _ in range(1000):
try:
f(None)
except TypeError:
pass
# BOOM!


@cpython_only
class CFunctionCallsErrorMessages(unittest.TestCase):
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