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35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
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import threading
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class RepeatingTimer(threading.Thread):
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"""Call a function after a specified number of seconds, it will then repeat again after the specified number of seconds
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Note: If the function provided takes time to execute, this time is NOT taken from the next wait period
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t = RepeatingTimer(30.0, f, args=[], kwargs={})
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t.start()
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t.cancel() # stop the timer's actions
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"""
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def __init__(self, interval, function, daemon=True, *args, **kwargs):
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threading.Thread.__init__(self)
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self.daemon = daemon
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self.interval = float(interval)
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self.function = function
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self.args = args
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self.kwargs = kwargs
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self.finished = threading.Event()
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def cancel(self):
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"""Stop the timer if it hasn't finished yet"""
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self.finished.set()
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stop = cancel
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def run(self):
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while not self.finished.is_set():
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self.finished.wait(self.interval)
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if not self.finished.is_set(): #In case someone has canceled while waiting
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try:
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self.function(*self.args, **self.kwargs)
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except:
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pass
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# logging.exception("Execution failed. Function: %r args: %r and kwargs: %r" % (self.function, self.args, self.kwargs))
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