[issue28214] Improve exception reporting for problematic __set_name__ attributes
Serhiy Storchaka
report at bugs.python.org
Sun Oct 9 02:31:21 EDT 2016
Serhiy Storchaka added the comment:
Shouldn't it be RuntimeError?
Proposed patch makes RuntimeError be raised with chained original exception. This preserves more information.
>>> class FaultyImplementation:
... def __set_name__(self, *args):
... 1/0
...
>>> class TheoreticallyCouldWork:
... attr = FaultyImplementation()
...
ZeroDivisionError: division by zero
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
RuntimeError: Error calling __set_name__ on 'FaultyImplementation' instance 'attr' in 'TheoreticallyCouldWork'
----------
Added file: http://bugs.python.org/file45028/set_name_error.patch
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<http://bugs.python.org/issue28214>
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