James Hewitt <j...@caurinus.com> added the comment:
Sure, it's at https://pastebin.com/L1RMPD7K
-James
On 10/25/2018 12:30 PM, Stéphane Wirtel wrote:
>
> Stéphane Wirtel <steph...@wirtel.be> added the comment:
>
> Could you share a pastebin? Thank you
>
>> Le 25 oct. 2018 à 21:28, James Hewitt <rep...@bugs.python.org> a écrit :
>>
>>
>> New submission from James Hewitt <j...@caurinus.com>:
>>
>> Having 'import logging.config' in an if statement in a function causes a
>> namespace issue, despite the fact that the import is not reached.
>>
>> Example code:
>>
>> ---
>> #!/usr/bin/env python3
>>
>> # Test weird import bug
>>
>> import logging
>>
>>
>> config = {}
>> config['log'] = {}
>> config['log']['log_type'] = 'file'
>> config['log']['log_file'] = './log'
>> config['log']['config'] = { 'version' : 1 }
>>
>>
>> def do_config_logging():
>> if config['log']['log_type'] == 'from_config':
>> import logging.config
>> logging.config.dictConfig(config['log']['config'])
>> elif config['log']['log_type'] == 'file':
>> logging.basicConfig(filename=config['log']['log_file'])
>> logging.info("start logging")
>>
>>
>> if __name__ == "__main__":
>> do_config_logging()
>>
>> ---
>>
>>
>> This results in:
>>
>> Traceback (most recent call last):
>> File "./bug.py", line 25, in <module>
>> do_config_logging()
>> File "./bug.py", line 20, in do_config_logging
>> logging.basicConfig(filename=config['log']['log_file'])
>> UnboundLocalError: local variable 'logging' referenced before assignment
>>
>>
>> Notes:
>>
>> This was run on Ubuntu Linux 18.04 Intel 64-bit, Python version 3.6.6
>>
>> The problem does not occur if the branch is actually taken, and it does not
>> occur if the 'if' statement is not in a function. It also does not occur if
>> 'logging.config' is imported as some other name, eg. 'configlogging'.
>>
>> virtualenv is installed (via the distribution package) but not in use in the
>> test case.
>>
>> ----------
>> components: Library (Lib)
>> messages: 328470
>> nosy: jhewitt
>> priority: normal
>> severity: normal
>> status: open
>> title: Unexecuted import in function causes UnboundLocalError
>> type: behavior
>> versions: Python 3.6
>>
>> _______________________________________
>> Python tracker <rep...@bugs.python.org>
>> <https://bugs.python.org/issue35069>
>> _______________________________________
>> _______________________________________________
>> New-bugs-announce mailing list
>> new-bugs-annou...@python.org
>> https://mail.python.org/mailman/listinfo/new-bugs-announce
>
> ----------
> nosy: +matrixise
>
> _______________________________________
> Python tracker <rep...@bugs.python.org>
> <https://bugs.python.org/issue35069>
> _______________________________________
>
----------
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue35069>
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