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>
> _______________________________________
> _______________________________________________
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> new-bugs-annou...@python.org
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----------
nosy: +matrixise
_______________________________________
Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue35069>
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