Tomato time clock

start.py

#!/usr/bin/env python
#coding: utf-8

import os
import sys
import time

msg = "Well done, take a break!"
def start(min, msg):
    time.sleep(min * 60)
    h = min / 60
    m = min % 60
    os.system('/Applications/terminal-notifier.app/Contents/MacOS/terminal-notifier -message "%s [%d:%d]"' % (msg, h, m)

if __name__ == '__main__':
    start(int(sys.argv[1]), msg)