Get a name from the publicip and macaddrs

get_macname.py

#!/usr/bin/python

import fcntl, socket, struct, urllib2

def getHwAddr(ifname):
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    info = fcntl.ioctl(s.fileno(), 0x8927,  struct.pack('256s', ifname[:15]))
    return '_'.join(['%02x' % ord(char) for char in info[18:24]])


def getPublicAddr():
    r = urllib2.urlopen("http://ipinfo.io/ip")
    ip = r.read(100)
    return ip[:-1]

print  getPublicAddr() + "-" + getHwAddr('eth0')

gistfile1.txt

root@raspberry:~# /usr/local/bin/get_macname.py
84.126.70.xx-b8_xx_eb_a4_xx_xc