logging.md

it is usefull to prepare this dictionary

loglevel_map = {'DEBUG': logging.DEBUG,
                'INFO': logging.INFO,
                'WARN': logging.WARN,
                'ERROR': logging.ERROR}

Also to use argparse library to set the log level by paramter

parser.add_argument('--loglevel', help='loglevel of the application', default='INFO', choices=['DEBUG', 'INFO', 'WARN', 'ERROR'])

Initial setup

import logging

logging.basicConfig(stream=sys.stdout, 
                    level=loglevel_map[args['loglevel']],
                    format="time: %(asctime)s - name: %(name)s - level: %(levelname)s - message: %(message)s")

To get a log object

log = logging.getLogger('MAIN')

To write a log

log.info("No actions taken")