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From: Peter Otten <__peter__@web.de>
Subject: Re: Confused about logger config from within Python (3)
Date: Sat, 29 Dec 2012 01:56:46 +0100
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Xref: csiph.com comp.lang.python:35724

andrew cooke wrote:

> similarly, if i run the following, i see only "done":
> 
>   from logging import DEBUG, root, getLogger
> 
>   if __name__ == '__main__':
>       root.setLevel(DEBUG)
>       getLogger(__name__).debug("hello world")
>       print('done')

You need a handler. The easiest way to get one is logging.basicConfig().

>>> import logging
>>> logging.basicConfig(level=logging.DEBUG)
>>> logging.getLogger().debug("goodbye, cruel world")
DEBUG:root:goodbye, cruel world

Other revolutionary ideas: read the docs 
<http://docs.python.org/dev/howto/logging.html#logging-basic-tutorial> ;)