【python】获取本机的hostname以及外网ip

关键词：python 获取外网ip、 python获取本机外网ip、python3 获取外网ip

1 得到外网IP地址
import re,urllib2
class Getmyip:
   def getip(self):
       try:
           myip = self.visit(“http://www.ip138.com/ip2city.asp”)
           return myip
       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()
           asd=re.search(‘\d+\.\d+\.\d+\.\d+’,str).group(0)
           return asd
      
getmyip = Getmyip()
localip = getmyip.getip()
print localip

2 获取本地IP
2.1 windows和linux下
import socket

localIP=socket.gethostbyname(socket.gethostname())
print “local ip:%s “%localIP

ipList=socket.gethostbyname_ex(socket.gethostname())
for i in ipList:
   if i!=localIP:
       print “external IP:%s”%i
2.2 linux下
import socket,fcntl,struct

def get_ip_address(ifname):
       s=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
       return socket.inet_ntoa(fcntl.ioctl(
               s.fileno(),
               0x8915,
               struct.pack(‘256s’,ifname[:15])
       )[20:24])

print get_ip_address(‘eth0’)

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