Timer.py


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import time

class Timer(object):
    def __init__(self, function, delay, *args, **kwargs):
        self.function = function
        self.delay = delay
        self.kwargs = kwargs
        self.args = args
        self._done = False

    def set_started_time(self):
        self.started_time = time.time()

    def due(self):
        return self.time_left() <= 0

    def time_left(self):
        return (self.started_time+self.delay)-time.time()

    def call(self):
        self._done = True
        self.function(self, *self.args, **self.kwargs)

    def redo(self):
        self.done = False
        self.set_started_time()

    def done(self):
        return self._done