Python gets the native IP address in two ways

The first:

 
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') The loopback address  
#get_ip_address('eth0') The host ip address  

 
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")