#! /usr/bin/python
# Wake-On-LAN
# Copyright (C) 2002 by Micro Systems Marc Balmer
# Written by Marc Balmer, marc@msys.ch, http://www.msys.ch/
# This code is free software under the GPL
#
# Modified by paulkoan to allow command line parameters
#
import struct, socket, sys
def WakeOnLan(ethernet_address,bc):
 # Construct a six-byte hardware address
 addr_byte = ethernet_address.split(':')
 hw_addr = struct.pack('BBBBBB', int(addr_byte[0], 16),
   int(addr_byte[1], 16),
   int(addr_byte[2], 16),
   int(addr_byte[3], 16),
   int(addr_byte[4], 16),
   int(addr_byte[5], 16))
 # Build the Wake-On-LAN "Magic Packet"...
 msg = '\xff' * 6 + hw_addr * 16
 # ...and send it to the broadcast address using UDP
 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
 s.sendto(msg, (bc, 9))
 s.close()
# Example use
print(sys.argv[1],sys.argv[2]) 
WakeOnLan(sys.argv[1],sys.argv[2])

  /opt/wol.py  <mac address> <network broadcast address>