64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
"""
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SleekXMPP: The Sleek XMPP Library
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Implementation of xeps for Internet of Things
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http://wiki.xmpp.org/web/Tech_pages/IoT_systems
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Copyright (C) 2013 Sustainable Innovation, Joachim.lindborg@sust.se, bjorn.westrom@consoden.se
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This file is part of SleekXMPP.
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See the file LICENSE for copying permission.
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"""
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from threading import Thread, Event, Timer
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import time
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def TimerReset(*args, **kwargs):
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""" Global function for Timer """
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return _TimerReset(*args, **kwargs)
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class _TimerReset(Thread):
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"""Call a function after a specified number of seconds:
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t = TimerReset(30.0, f, args=[], kwargs={})
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t.start()
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t.cancel() # stop the timer's action if it's still waiting
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"""
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def __init__(self, interval, function, *args, **kwargs):
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Thread.__init__(self)
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self.interval = 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 = Event()
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self.resetted = True
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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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def run(self):
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#print "Time: %s - timer running..." % time.asctime()
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while self.resetted:
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#print "Time: %s - timer waiting for timeout in %.2f..." % (time.asctime(), self.interval)
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self.resetted = False
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self.finished.wait(self.interval)
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if not self.finished.isSet():
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self.function(*self.args, **self.kwargs)
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self.finished.set()
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#print "Time: %s - timer finished!" % time.asctime()
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def reset(self, interval=None):
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""" Reset the timer """
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if interval:
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#print "Time: %s - timer resetting to %.2f..." % (time.asctime(), interval)
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self.interval = interval
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else:
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#print "Time: %s - timer resetting..." % time.asctime()
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pass
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self.resetted = True
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self.finished.set()
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self.finished.clear()
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