logger.py

import datetime
from logging import getLogger, Formatter, FileHandler, StreamHandler, DEBUG

today = datetime.date.today()
today = today.strftime("%Y%m%d")

# Specify a path to log file which will be written log messages
path_to_log = f"log/{today}.log"
fmt = "%(asctime)s %(name)s %(lineno)d [%(levelname)s][%(funcName)s] %(message)s"
log_fmt = Formatter(fmt)

# create a logger
logger = getLogger(__name__)

handler = StreamHandler()
handler.setLevel("INFO")
handler.setFormatter(log_fmt)
logger.addHandler(handler)

handler = FileHandler(path_to_log, 'a')
handler.setLevel(DEBUG)
handler.setFormatter(log_fmt)
logger.setLevel(DEBUG)
logger.addHandler(handler)