44 lines
1.0 KiB
Python
44 lines
1.0 KiB
Python
import threading
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from Queue import Queue, Empty
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class Event:
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def __init__(self, type):
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self._type = type
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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 = 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, type):
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self.queue.put(type)
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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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type = self.queue.get(True, 1)
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# perform callback if we got a event type
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self.callback(type)
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# event completed
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self.queue.task_done()
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except Empty:
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type = None
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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" |