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日志

import loggingimport traceback     # 把错误的堆栈写到日志logger = logging.basicConfig(filename='xxx.txt',                             format='%(asctime)s - %(name)s - %(module)s: %(message)s',                             datefmt='%Y-%m-%d %H-%M-%S',                             level=30)logging.debug('x1')logging.info('x2')logging.warning('x3')logging.error('x4')logging.critical('x5')def func():    try:        a = a + 1    except Exception as e:        msg = traceback.format_exc()        logging.error(msg)func()

3、往多个文件写的方法：

import logging# 定义文件file_1_1 = logging.FileHandler('l1_1.log', 'a', encoding='utf-8')fmt1 = logging.Formatter(fmt="%(asctime)s - %(name)s - %(levelname)s -%(module)s:  %(message)s")file_1_1.setFormatter(fmt1)file_1_2 = logging.FileHandler('l1_2.log', 'a', encoding='utf-8')fmt2 = logging.Formatter(fmt="%(asctime)s - %(name)s - %(levelname)s -%(module)s:  %(message)s")file_1_2.setFormatter(fmt2)# 定义日志logger1 = logging.Logger('s1', level=logging.ERROR)logger1.addHandler(file_1_1)logger2 = logging.Logger('s2', level=logging.ERROR)logger2.addHandler(file_1_2)# 写日志logger1.critical('1111')logger2.critical('2222')

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