wake.py

#!/usr/bin/python

# simple command to wake on lan a host from a predefined list of presets.
# requires wakeonlan package to be installed

from wakeonlan import wol
import sys

if len(sys.argv) < 2:
  print "Usage: %s <hostname>" % (sys.argv[0])
  sys.exit(0)

hosts = {
  # DEFINE YOUR HOSTS HERE, e.g: 
  # <hostname>: <mac-address>
}

if sys.argv[1] in hosts:
  wol.send_magic_packet(hosts[sys.argv[1]])
else:
  print "Unknown host: %s" % (sys.argv[1])
  print "Valid hosts are: %s" % (', '.join(hosts.keys()))
  sys.exit(1)