python Python日志配置（到控制台和文件）

Posted 2021-05-09

import logging
import sys
from logging import handlers


# get logger
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)

# specify log format
formatter = logging.Formatter("%(asctime)s %(name)-12s %(levelname)-8s %(message)s")

# log to console
console_handler = logging.StreamHandler(stream=sys.stdout)
console_handler.setLevel(logging.INFO)
console_handler.setFormatter(formatter)
logger.addHandler(console_handler)

# log to file
file_handler = handlers.RotatingFileHandler(filename=example.log, maxBytes=1000*1000)
file_handler.setLevel(logging.DEBUG)
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)