python 获取主机名称和ip地址

python2.7

#!/usr/bin/env python
# Python Network Programming Cookbook -- Chapter -
# This program is optimized for Python 2.7.
# It may run on any other version with/without modifications.

import socket

def print_machine_info():
    host_name = socket.gethostname()
    ip_address = socket.gethostbyname(host_name)
    print "Host name: %s" %host_name
    print "IP address: %s" %ip_address

if __name__ == '__main__':
    print_machine_info()

输出

Host name: ubuntu
IP address: 127.0.1.1