custom handler does not write to log file

dj d.a.abernathy at gmail.com
Tue Mar 31 22:00:12 CEST 2009


On Mar 31, 1:13 pm, dj <d.a.aberna... at gmail.com> wrote:
> It seems that you can create custom handlers and add them to the
> logging.handlers namespace(http://mail.python.org/pipermail/python-
> list/2008-May/493826.html.)
> But for reasons beyond my understanding my log file (test.log) is not
> written to.
>
> ####################  my handler class
> #######################################################
> import logging.handlers
>
> # create my handler class
> class MyHandler(logging.handlers.RotatingFileHandler):
>     def __init__(self, filename):
>         logging.handlers.RotatingFileHandler.__init__(self, filename,
>
> maxBytes=10485760, backupCount=5)
>
> # Register handler in the "logging.handlers" namespace
> logging.handlers.MyHandler = MyHandler
>
> ################  test app.py
> ##################################################################
> import logging
> import logging.handlers
>
> from myhandler import MyHandler
>
> # log file path
> LOG_FILE_PATH='H:/python_experiments/logging/test.log'  # log file
> path
> #log file formatter
> myformatter = logging.Formatter('%(asctime)s %(levelname)s %(filename)
> s %(lineno)d %(message)s')
>
> # setup a log instance for myHandler
> logger2 = logging.getLogger('myLog2')
> logger2.setLevel(logging.CRITICAL)
> hdlr2 = logging.handlers.MyHandler(LOG_FILE_PATH)
> hdlr2.setFormatter(myformatter)
> hdlr2.setLevel(logging.CRITICAL)
> logger2.addHandler(hdlr2)
>
> # give it a try
> print 'using myHandler'
> logger2.debug('this is a test of myHandler')
> print 'after logger using myHandler'
>
> Thanks in advance for your help.

Kindly ingnore this message, turns out the problem was  a
misunderstanding of the severity for the logging levels.
My bad. Thanks anyway :-).



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