Serhiy Storchaka added the comment:
Updated patch uses C API added in issue28410. It preserves the traceback of
original exception:
Traceback (most recent call last):
File "issue28214.py", line 3, in __set_name__
1/0
ZeroDivisionError: division by zero
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "issue28214.py", line 5, in <module>
class TheoreticallyCouldWork:
RuntimeError: Error calling __set_name__ on 'FaultyImplementation' instance
'attr' in 'TheoreticallyCouldWork'
----------
Added file: http://bugs.python.org/file45129/set_name_chain_error_cause_2.patch
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue28214>
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