#!/usr/bin/env python

import os
import sys

interface = "wlan0"
essid = "myessid"
key = "mykey13charss"
channel = "auto"
rate = "auto"
sleep = 5

def usage():
  print """Usage: %s
\t-t,--test\tprint out the command that will be executed
\t-h,--help\tthis help page""" % sys.argv[0]


commands = (\
    'sudo rmmod iwl4965',\
    'sudo rmmod iwlwifi_mac80211',\
    'sudo rmmod cfg80211',\
    'sleep %s' % sleep,\
    'sudo modprobe iwl4965',\
    'sleep %s' % sleep,\
    'sudo ifconfig wlan0 down',\
    'sleep %s' % sleep,\
    'sudo iwconfig %s essid %s channel %s mode ad-hoc key s:%s rate %s' % (interface, essid, channel, key, rate),\
    'sleep %s' % sleep,\
    'sudo ifconfig wlan0 up',\
    'sleep %s' % sleep,\
    'sudo iwconfig %s essid %s channel %s mode ad-hoc key s:%s rate %s' % (interface, essid, channel, key, rate),\
    'sleep %s' % sleep,\
    'sudo dhclient %s' % interface,\
  )

test = False
for argv in sys.argv:
  if argv in ("--test","-t"):
    test = True
  if argv in ("--help","-h"):
    usage()
    sys.exit()

for line in commands:
  if test:
    print line
  else:
    os.system(line)

sys.exit(0)