Getting the logging level from text representation

[Laura Creighton]

In a message of Wed, 02 Sep 2015 12:14:44 +0200, Antoon Pardon writes:
See:
https://docs.python.org/3.5/library/logging.html#levels

you can just use 30 everywhere for warning, and that is what
Logger.getEffectiveLevel() will tell you even if you initialised
it with the text form.

Laura