Python debug template

pythondebugtemplate.py

# from: http://web.archive.org/web/20121122043920/http://aymanh.com:80/python-debugging-techniques

# By default, the logging module prints critical, error and warning messages. To change this so that all levels are printed, use:
# $ ./your-program.py --logging=debug
# To send log messages to a file called debug.log, use:
# $ ./your-program.py --logging-level=debug --logging-file=debug.log

import logging
import optparse

LOGGING_LEVELS = {'critical': logging.CRITICAL,
                  'error': logging.ERROR,
                  'warning': logging.WARNING,
                  'info': logging.INFO,
                  'debug': logging.DEBUG}

def main():
  parser = optparse.OptionParser()
  parser.add_option('-l', '--logging-level', help='Logging level')
  parser.add_option('-f', '--logging-file', help='Logging file name')
  (options, args) = parser.parse_args()
  logging_level = LOGGING_LEVELS.get(options.logging_level, logging.NOTSET)
  logging.basicConfig(level=logging_level, filename=options.logging_file,
                      format='%(asctime)s %(levelname)s: %(message)s',
                      datefmt='%Y-%m-%d %H:%M:%S')

  # Your program goes here.
  # You can access command-line arguments using the args variable.

if __name__ == '__main__':
  main()