记录日志

import logging.handlers
class Sdplog:
    logger = None
    levels = {
        "DEBUG" : logging.DEBUG,
        "INFO" : logging.INFO,
        "WARNING" : logging.WARNING,
        "ERROR" : logging.ERROR,
        "CRITICAL" : logging.CRITICAL}
 
    log_level = config.LogLevel
 
    if not exists(join(CodeHome, 'logs')): mkdir(join(CodeHome, 'logs'))
    log_file = join(CodeHome, 'logs', 'sys.log')
    log_max_byte = 10 * 1024 * 1024;
    log_backup_count = 5
    log_datefmt = '%Y-%m-%d %H:%M:%S'
 
    @staticmethod
    def getLogger():
        if Sdplog.logger is not None:
            return Sdplog.logger
 
        Sdplog.logger = logging.Logger("loggingmodule.Sdplog")
        log_handler = logging.handlers.RotatingFileHandler(filename = Sdplog.log_file,
                              maxBytes = Sdplog.log_max_byte,
                              backupCount = Sdplog.log_backup_count)
        log_fmt = logging.Formatter('%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s', datefmt=Sdplog.log_datefmt)
        log_handler.setFormatter(log_fmt)
        Sdplog.logger.addHandler(log_handler)
        Sdplog.logger.setLevel(Sdplog.levels.get(Sdplog.log_level))
        return Sdplog.logger
 
#调用
logger = Sdplog.getLogger()