重试连接数据库功能

Question

def connectDB(i_host,i_user,i_password,i_database):

        try:
            i_connection_string = mysql.connector.connect(host=i_host,user=i_user,passwd=i_password,database=i_database)
            return i_connection_string


        except Exception as e:
            raise Exception("status:'Failed","Exception:{}".format(e))