#!/usr/bin/python 

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])

#get_ip_address('lo')环回地址

#get_ip_address('eth0')主机ip地址

def get_local_ip(ifname):

　　import socket, fcntl, struct

　　s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

　　inet = fcntl.ioctl(s.fileno(), 0x8915, struct.pack('256s', ifname[:15]))

　　ret = socket.inet_ntoa(inet[20:24])

　　return ret

print(get_local_ip("eth0"))  

import socket
print(socket.gethostbyname(socket.getfqdn(socket.gethostname())))