db_manage.py 文件源码

def __init__(self, dbconfig=DBCONFIG):
        """????????????????MySQL??"""
        try:
            self._conn = MySQLdb.connect(host=dbconfig['host'],
                                         port=dbconfig['port'], 
                                         user=dbconfig['user'],
                                         passwd=dbconfig['passwd'],
                                         db=dbconfig['db'],
                                         charset=dbconfig['charset'])
        except MySQLdb.Error, e:
            self.error_code = e.args[0]
            error_msg = 'MySQL error! ', e.args[0], e.args[1]
            print error_msg

            # ?????????????????????
            if self._timecount < self._TIMEOUT:
                interval = 5
                self._timecount += interval
                time.sleep(interval)
                return self.__init__(dbconfig)
            else:
                raise Exception(error_msg)

        self._cur = self._conn.cursor()
        self._instance = MySQLdb