Python Logging Cheatsheet

python_logging.py

import logging

# prints log to stdout and also saves to specified log file
logger = logging.getLogger('my_logfile')
fh = logging.FileHandler('my_logfile.log')
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
fh.setFormatter(formatter)
ch = logging.StreamHandler()
ch.setFormatter(formatter)
logger.addHandler(fh)
logger.addHandler(ch)

logger.setLevel(logging.DEBUG)

logger.info("This is information.")
logger.error("This is Error!")
logger.debug("This is debug...")