#!/usr/bin/python
 
# -*- coding: UTF-8 -*-
 
import os
 
 
def get_ip():
  #注意外围使用双引号而非单引号,并且假设默认是第一个网卡,特殊环境请适当修改代码 
  out = os.popen("ifconfig | grep 'inet addr:' | grep -v '127.0.0.1' | cut -d: -f2 | awk '{print $1}' | head -1").read()
  ip=out.split('\n')[0]
  return ip
res = get_ip()
print(res)

# -*- coding: UTF-8 -*-
 
import socket
import os
import platform
import re
 
 
def get_ip(*args):
  if platform.system() == 'Windows':
    my_name = socket.getfqdn(socket.gethostbyname('localhost'))
    my_addr = socket.gethostbyname(my_name)
    ip = my_addr.split('\n')[0]
    return ip
  else:
 
    my_addr = os.popen(
      "ifconfig | grep -A 1 %s|tail -1| awk '{print $2}'" % args[0]).read()
    ip = re.search(r'(?<![\.\d])(?:25[0-5]\.|2[0-4]\d\.|[01]?\d\d?\.)'
                r'{3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)(?![\.\d])',my_addr).group()
    return ip
 
 
if __name__ == '__main__':
  f = get_ip('eno16777736')
  print(f)