pomodoro.py

#!/usr/bin/env python
#
# simple timer for pomodoro like counting
# Usage: pomodoro.py WORKTIME BREAKTIME
#

import sys
import os
from time import gmtime, strftime, sleep

def main(e,b):
    """ main function """
    end = float(e) * 60
    print "Let's do %1.0f minutes of hard work." % (end/60)
    countdown(end)
    os.system('growlnotify -m "Time for a break" -t "pomodoro.py"')
    breaktime = float(b) * 60
    print "\nAllright, %1.0f minute break." % (breaktime/60)
    countdown(breaktime)
    os.system('growlnotify -m "Break is over, ready for another round?" \
-t "pomodoro.py"')

def countdown(t):
    """ function to countdown the given time """
    now = 0
    while (now <= t):
        s = "\b\b\b\b\b\b%s" % strftime("%M:%S", gmtime(now))
        print s,
        sys.stdout.flush()
        now += 1
        sleep(1)

if __name__ == '__main__':
    e = 25
    b = 5
    if len(sys.argv) >= 2: e = sys.argv[1]
    if len(sys.argv) >= 3: b = sys.argv[2]
    main(e,b)