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[3.11] gh-113358: Fix rendering tracebacks with exceptions with a broken __getattr__ (GH-113359) (#114118)

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Jérome Perrin 2024-01-20 05:35:57 +09:00 • committed by GitHub
parent a4ad7a0ac5
commit 20f7cf2c7f
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4 changed files with 52 additions and 2 deletions
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15
Lib/test/test_traceback.py
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@ -1601,6 +1601,21 @@ class BaseExceptionReportingTests:
err_msg = '<note str() failed>'
self.assertEqual(self.get_report(e), vanilla + err_msg + '\nFinal Note\n')
# an exception with a broken __getattr__ raising a non expected error
class BrokenException(Exception):
broken = False
def __getattr__(self, name):
if self.broken:
raise ValueError(f'no {name}')
raise AttributeError(name)
e = BrokenException(123)
vanilla = self.get_report(e)
e.broken = True
self.assertEqual(
self.get_report(e),
vanilla + "Ignored error getting __notes__: ValueError('no __notes__')\n")
def test_exception_with_multiple_notes(self):
for e in [ValueError(42), SyntaxError('bad syntax')]:
with self.subTest(e=e):