python logging

import logging
import os
import datetime

if __name__ == '__main__':

    level = logging.INFO

    log_filename = "D:/log/log_%s.log"
    try:
        if not os.path.exists(log_filename % datetime.datetime.now().strftime('%Y-%m-%d')):
            if not os.path.exists("D:/log/log_%%s.log"):
                os.makedirs("D:/log/log_%%s.log")
            f = open(log_filename, 'ab+')
            f.close()
    except FileExistsError as ex:
        print(ex)

    log_handler = logging.FileHandler(log_filename, encoding='UTF-8')
    console = logging.StreamHandler()
    logging.basicConfig(
        level=level, format='%(asctime)s %(levelname)s %(thread)d --- [%(threadName)s] %(filename)s-%(lineno)d : %(message)s',handlers=[log_handler,console])

    logging.getLogger("requests").setLevel(logging.WARNING)
    logging.info("开始定时任务{0}".format(datetime.datetime.now()))