import loggingfrom logging import handlers# 日志级别字典__level_dict = { 'critical': logging.CRITICAL, 'fatal': logging.CRITICAL, 'error': logging.ERROR, 'warning': logging.WARNING, 'warn': logging.WARNING, 'info': logging.INFO, 'debug': logging.DEBUG}def getLogger(filename, level='info', when='D', backupCount=3, fmt='%(asctime)s - %(pathname)s[line:%(lineno)d] - %(levelname)s: %(message)s'): """ 获取日志处理对象 :param filename: 日志文件名称 :param level: 日志等级:debug, info, warn/warning, error, critical :param when: 日志文件分割的时间单位,单位有以下几种:<br> - S 秒<br> - M 分<br> - H 小时<br> - D 天<br> - W 每星期<br> - midnight 每天凌晨<br> :param backupCount: 备份文件的个数,如果超过这个数量,就会自动删除 :param fmt: 日志信息格式 :return: """ level = __level_dict.get(level.lower(), None) logger = logging.getLogger(filename) # 设置日志格式 format_str = logging.Formatter(fmt) # 设置日志级别 logger.setLevel(level) # 控制台输出 console_handler = logging.StreamHandler() # 控制台输出的格式 console_handler.setFormatter(format_str) logger.addHandler(console_handler) # 文件输出 file_handler = handlers.TimedRotatingFileHandler(filename=filename, when=when, backupCount=backupCount, encoding='utf-8') # 文件输出的格式 file_handler.setFormatter(format_str) logger.addHandler(file_handler) return loggerif __name__ == '__main__': log = getLogger('test.log') log.debug('debug') log.info('info') log.warning('警告') log.error('报错') log.critical('严重') getLogger('error.log', level='error').error('error')
2018-09-06 17:07:40,909 - D:/jetbrains/workspace-pycharm/test/logger.py[line:59] - INFO: info
2018-09-06 17:07:40,909 - D:/jetbrains/workspace-pycharm/test/logger.py[line:60] - WARNING: 警告
2018-09-06 17:07:40,909 - D:/jetbrains/workspace-pycharm/test/logger.py[line:61] - ERROR: 报错
2018-09-06 17:07:40,910 - D:/jetbrains/workspace-pycharm/test/logger.py[line:62] - CRITICAL: 严重
2018-09-06 17:07:40,915 - D:/jetbrains/workspace-pycharm/test/logger.py[line:63] - ERROR: erro