IP地址归属查询只显示地区Python配置

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import signal
import urllib
import json
import sys,os,re
import socket
url = "http://ip.taobao.com/service/getIpInfo.php?ip="

def ip_location(ip):
    data = urllib.urlopen(url + ip).read()
    datadict=json.loads(data)

    for oneinfo in datadict:
        if "code" == oneinfo:
            if datadict[oneinfo] == 0:
                return datadict["data"]["city"]

ip_address = '114.114.114.114'
city_address = ip_location(ip_address)
print ip_address + ":" + city_address