python 获取本机IP的三种方式

#!/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())))