Logging_Handlers.py

import logging
# custom logger
logger = logging.getLogger(__name__)

# Create handlers
c_handler = logging.StreamHandler()
f_handler = logging.FileHandler('file.log')
c_handler.setLevel(logging.WARNING)
f_handler.setLevel(logging.ERROR)

# Create formatters and add it to handlers
c_format = logging.Formatter('%(name)s - %(levelname)s - %(message)s')
f_format = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
c_handler.setFormatter(c_format)
f_handler.setFormatter(f_format)

# Add handlers to the logger
logger.addHandler(c_handler)
logger.addHandler(f_handler)

logger.warning('This is a warning')
logger.error('This is an error')
logger.critical('This is an error')

----------------------------------CONSOLE OUTPUT----------------------------
__main__ - WARNING - This is a warning
__main__ - ERROR - This is an error
__main__ - CRITICAL - This is an error

----------------------------------FILE OUTPUT-------------------------------
2021-05-13 09:02:31,497 - __main__ - ERROR - This is an error
2021-05-13 09:02:31,497 - __main__ - CRITICAL - This is an error