74 lines
2.2 KiB
Python
74 lines
2.2 KiB
Python
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import time, uuid
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class Timer(object):
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def __init__(self, id, name, delay, next_due, kwargs):
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self.id = id
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self.name = name
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self.delay = delay
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if next_due:
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self.next_due = next_due
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else:
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self.set_next_due()
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self.kwargs = kwargs
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self._done = False
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def set_next_due(self):
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self.next_due = time.time()+self.delay
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def due(self):
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return self.time_left() <= 0
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def time_left(self):
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return self.next_due-time.time()
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def redo(self):
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self._done = False
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self.set_next_due()
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def finish():
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self._done = True
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def done(self):
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return self._done
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class Timers(object):
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def __init__(self, events, log):
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self.events = events
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self.log = log
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self.timers = []
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def setup(self, timers):
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for name, timer in timers:
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id = name.split("timer-", 1)[1]
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self._add(timer["name"], timer["delay"], timer[
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"next-due"], id, False, timer["kwargs"])
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def _persist(self, timer):
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self.set_setting("timer-%s" % timer.id, {
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"name": timer.name, "delay": timer.delay,
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"next-due": timer.next_due, "kwargs": timer.kwargs})
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def _remove(self, timer):
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self.timers.remove(timer)
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self.del_setting("timer-%s" % timer.id)
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def add(self, name, delay, next_due=None, **kwargs):
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self._add(name, delay, next_due, None, False, kwargs)
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def add_persistent(self, name, delay, next_due=None, **kwargs):
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self._add(name, delay, next_due, None, True, kwargs)
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def _add(self, name, delay, next_due, id, persist, kwargs):
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id = id or uuid.uuid4().hex
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timer = Timer(id, name, delay, next_due, kwargs)
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if persist:
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self._persist(timer)
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self.timers.append(timer)
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def next(self):
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times = filter(None, [timer.time_left() for timer in self.timers])
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if not times:
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return None
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return max(min(times), 0)
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def call(self):
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for timer in self.timers[:]:
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if timer.due():
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timer.finish()
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self.events.on("timer.%s" % timer.name, timer=timer)
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if timer.done():
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self._remove(timer)
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