logger

import logging

logger = logging.getLogger(__name__)

logger.setLevel(level = logging.INFO)

handler = logging.FileHandler("session.log")

handler.setLevel(logging.INFO)
formatter = logging.Formatter(‘%(asctime)s - %(name)s - %(levelname)s - %(message)s‘)
handler.setFormatter(formatter)
console = logging.StreamHandler()
console.setLevel(logging.INFO)

logger.addHandler(handler)
logger.addHandler(console)

#logger.info("Start print log")
#logger.debug("Do something")
#logger.warning("Something maybe fail.")
#logger.info("Finish")

logger

原文：https://www.cnblogs.com/hapyygril/p/12702877.html