logging template

logging_template.py

import logging
log = logging.getLogger(__name__)
log.setLevel(level=logging.DEBUG)

fmtr = logging.Formatter("[%(asctime)s] [%(levelname)-8.8s] %(message)s", "%Y-%m-%d %H:%M:%S")

fhdlr = logging.FileHandler(f"log.log", mode='w')
fhdlr.setFormatter(fmtr)
log.addHandler(fhdlr)

chdlr = logging.StreamHandler()
chdlr.setFormatter(fmtr)
log.addHandler(chdlr)

log.debug('This is a debug message')
log.info('This is an info message')
log.warning('This is a warning message')
log.error('This is an error message')
log.critical('This is a critical message')

# [2020-01-25 19:54:40] [DEBUG   ] This is a debug message
# [2020-01-25 19:54:40] [INFO    ] This is an info message
# [2020-01-25 19:54:40] [WARNING ] This is a warning message
# [2020-01-25 19:54:40] [ERROR   ] This is an error message
# [2020-01-25 19:54:40] [CRITICAL] This is a critical message