python实现mysql的单引号字符串过滤方法

class Guide:
 def __init__(self):
 self.time_zone = 7*3600 #设置时区
 self.now_time = int(time.time()) + self.time_zone #取得当前时间
 #本地
 self.gamedb_model = mysql_conn.MySQLHelper(config.game_db['host'], config.game_db['user'],
 config.game_db['password'], config.game_db['db_name'],
 config.game_db['port'])
 #远程
 self.remote_model = mysql_conn.MySQLHelper(config.remote_db['host'], config.remote_db['user'],
 config.remote_db['password'], config.remote_db['db_name'],
 config.remote_db['port'])
 #game center
 self.commdb_model = mysql_conn.MySQLHelper(config.comm_db['host'], config.comm_db['user'],
 config.comm_db['password'], config.comm_db['db_name'],
 config.comm_db['port'])
 def index(self):
 #拿到第二天未登陆的用户
 for line in open("2014.3.20_global_ips.txt"):
 list = line.split('||')
 l = len(list)
 if l == 3:
 info = ''
 else:
 info = MySQLdb.escape_string(list[3])
 self.commdb_model.insert('ip_area',{'start_ip':list[0],'end_ip':list[1],'area':list[2],'info':info})
if __name__ =="__main__":
 keep = Guide()
 keep.index()