python获取网卡IP地址

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import socket
import fcntl
import struct

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

print "eth0 = "+ get_ip_address('eth0')
print "lo = " + get_ip_address('lo')