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50 lines
1.1 KiB
Python
50 lines
1.1 KiB
Python
from lib.six import moves
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import threading
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class Event:
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def __init__(self, etype):
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self._type = etype
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@property
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def type(self):
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return self._type
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class Events(threading.Thread):
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def __init__(self, callback):
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super(Events, self).__init__()
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self.queue = moves.queue.Queue()
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self.daemon = True
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self.callback = callback
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self.name = 'EVENT-QUEUE'
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self._stop = threading.Event()
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def put(self, etype):
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self.queue.put(etype)
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def stop(self):
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self._stop.set()
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def run(self):
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while not self._stop.is_set():
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try:
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# get event type
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etype = self.queue.get(True, 1)
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# perform callback if we got a event type
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self.callback(etype)
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# event completed
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self.queue.task_done()
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except moves.queue.Empty:
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pass
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# exiting thread
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self._stop.clear()
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# System Events
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class SystemEvent(Event):
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RESTART = 'RESTART'
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SHUTDOWN = 'SHUTDOWN'
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