try: import os import sys import time import msvcrt import winsound except ImportError, error: sys.stdout.write('ImportError: %s' % error) sys.exit(1) def main(): try: alarm(*map(float, sys.argv[1:])) except: sys.stdout.write('Usage: %s ' % os.path.basename(sys.argv[0])) def alarm(hours, minutes, seconds): time.sleep(abs(hours * 3600 + minutes * 60 + seconds)) while msvcrt.kbhit(): msvcrt.getch() while not msvcrt.kbhit(): winsound.Beep(440, 250) time.sleep(0.25) if __name__ == '__main__': main()