Easy-to-use "suspend after some time" program for Windows

pysleep.py

#!/usr/bin/python

import time
import subprocess


# s -- hh:mm:ss
def str_to_sec(s):
	# http://stackoverflow.com/a/6402859/3285282
	l = s.split(':')
	return int(l[0]) * 3600 + int(l[1]) * 60 + int(l[2])


def suspend():
	# http://superuser.com/a/145463
	process = subprocess.Popen(['rundll32.exe', 'powrprof.dll,SetSuspendState', '0,1,0'])
	packages = process.communicate()[0]


def main():
	try:
		str_time = raw_input("Suspend after (hh:mm) --> ")
		str_time += ":00"
		time.sleep(str_to_sec(str_time))
		suspend()
	except KeyboardInterrupt:
		print ""


if __name__ == "__main__":
	main()