getting more work done.

pomodoro.py

import subprocess
import math
import time
from datetime import datetime, timedelta

def pomodoro(target, duration):
    counter = 0
    start = datetime.now()
    end = start + timedelta(minutes=duration)
    notification_times = (0, 60*5, 60*10, 60*15, 60*20)
    counter_limit = 60 * duration

    while counter < counter_limit:
        timedel = (end - datetime.now())
        minutes_remaining = int(math.ceil(timedel.seconds / 60.0))
        if counter in notification_times:
            message = 'Time remaining: %s minute%s' % (minutes_remaining, '' if minutes_remaining == 1 else 's')
            print message
            subprocess.Popen(['notify-send', 'Pomodoro Timer', message])
        time.sleep(1)
        counter += 1

    message = 'Time up!'
    print message
    subprocess.Popen(['notify-send', 'Pomodoro Timer', message])
    with open('pomodoro.txt', 'a') as f:
        f.write('%s|%s|%s\n' % (str(start), duration, target))

def main():
    target = raw_input('Target: ').strip()
    if target:
        pomodoro(target, 25)

if __name__ == '__main__':
    main()