通过python获取外网IP

通过python获取外网IP

#!/usr/bin/python
# -*- coding:utf-8 -*-
# filename:getLocalIp.py

import re,urllib2
class Getmyip:
    def getip(self):
      try:
          myip = self.visit("http://www.ip138.com/ip2city.asp")
      except:
          try:
              myip = self.visit("http://www.bliao.com/ip.phtml")
          except:
              try:
                  myip = self.visit("http://www.whereismyip.com/")
              except:
                  myip = "So sorry!!!"
      return myip

    def visit(self,url):
        opener = urllib2.urlopen(url)
        if url == opener.geturl():
            str = opener.read()
        return re.search('\d+\.\d+\.\d+\.\d+',str).group(0)

getmyip = Getmyip()
localip = getmyip.getip()

print localip