Logging.py

import logging
import sys
from logging.handlers import TimedRotatingFileHandler

#for more info look here: https://www.toptal.com/python/in-depth-python-logging

# FORMATTER = logging.Formatter("%(asctime)s — %(name)s — %(levelname)s — %(message)s")
FORMATTER = logging.Formatter("%(asctime)-15s [%(levelname)-5s][%(threadName)-20s][%(filename)s:%(lineno)d] %(message)s")
LOG_FILE = "my_app.log"

def getConsoleHandler():
   console_handler = logging.StreamHandler(sys.stdout)
   console_handler.setFormatter(FORMATTER)
   return console_handler
def getFileHandler():
   file_handler = TimedRotatingFileHandler(LOG_FILE, when='midnight')
   file_handler.setFormatter(FORMATTER)
   return file_handler
def getLogger(logger_name=""):
   logger = logging.getLogger(logger_name)
   logger.setLevel(logging.DEBUG) # better to have too much log than not enough
   logger.addHandler(getConsoleHandler())
   # logger.addHandler(get_file_handler())
   # with this pattern, it's rarely necessary to propagate the error up to parent
   logger.propagate = False
   return logger