tasks.py

"""Usage:
    pymodoro start <taskname> [--minutes=<minutes>]

    Options:
        --version       Show program's version number and exit
        -h, --help      Show this help message and exit

"""
import time
import datetime
from docopt import docopt



class Timer(object):
    def __init__(self, minutes=30):
        self.seconds = minutes * 60
        self.complete = False

    @property
    def current_time(self):
        return str(datetime.timedelta(seconds=self.seconds))

    def start(self):
        while self.seconds > 0:
            print('\r'+self.current_time, end="   ")
            time.sleep(1)
            self.seconds -= 1
        self.complete = True


class Task(object):
    def __init__(self, name, timer):
        self.name = name
        self.timer = timer

    def start(self):
        print('Timer for {} has started! \n'.format(self.name))
        try:
            self.timer.start()
            while not self.timer.complete:
                time.sleep(1)
            self.finish()
        except KeyboardInterrupt:
            self.finish(completed=False)

    def finish(self, completed=True):
        if completed:
            print("\nTask completed!")
        else:
            print("\nTask interrupted.")


if __name__ == '__main__':
    args = docopt(__doc__, version='Pymodoro 1.0')
    try:
        mytimer = Timer(float(args['--minutes']))
    except KeyError:
        mytimer = Timer()
    mytask = Task(args['<taskname>'], mytimer)
    mytask.start()