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gh-113358: Fix rendering tracebacks with exceptions with a broken __getattr__ (GH-113359)

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Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
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Jérome Perrin 2024-01-16 18:49:24 +09:00 • committed by GitHub
parent 17b73ab99e
commit 04fabe22dd
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3 changed files with 20 additions and 1 deletions
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14
Lib/test/test_traceback.py
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@ -2209,6 +2209,20 @@ class BaseExceptionReportingTests:
err_msg = "b'please do not show me as numbers'"
self.assertEqual(self.get_report(e), vanilla + err_msg + '\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}')
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):