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') 
'127.0.0.1' 
>>> get_ip_address('
eth0') 
'202.113.228.130'
import socket 
print socket.gethostbyname(socket.get
hostname())