logger.py

import logging
from logging.handlers import RotatingFileHandler
import sys

def setup_logger(name):
    logger = logging.getLogger(name)
    logger.setLevel(logging.DEBUG)
    console_handler = logging.StreamHandler(sys.stdout)
    console_handler.setLevel(logging.INFO)
    console_formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
    console_handler.setFormatter(console_formatter)
    file_handler = RotatingFileHandler('app.log', maxBytes=10*1024*1024, backupCount=5)
    file_handler.setLevel(logging.DEBUG)
    file_formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
    file_handler.setFormatter(file_formatter)

    logger.addHandler(console_handler)
    logger.addHandler(file_handler)

    return logger