Python's logging module example

logging.py

import logging

# logging - test apps (debug 10, info 20, warning 30, error 40, critical 50)
# changing Logging configuration for 10 and 20 messages

logging.basicConfig(
    level=logging.DEBUG, # = 10
    format='%(filename)s - %(asctime) - %(message)s %(funcName)s - %(levelname)s',
    datefmt="%H:%M:%S",
    filename='messages.txt',
)

def messages():
    logging.debug('Debug message')
    logging.info('Info message')
    logging.warning('Warning message')
    logging.error('Error message')
    logging.critical('Critical message')

if __name__ == "__main__":
    messages()