示例#1
0
 def test_pop_2(self):
     q = Queue()
     q.put(2)
     q.put(1)
     self.assertEqual(q.pop(), 2)
     self.assertEqual(q.pop(), 1)
     self.assertTrue(q.empty())
示例#2
0
class EventsHub:
    """Implements an event aggregator to gather events from both interfaces as well as the application itself.
    Similar to an Observer pattern.

    Warning:
        Events need to be processed regularly by calling `.handle_events()`
        to avoid overflowing the event queue.

    Events types:
     - pygame events (mouse / key press / quit)
     - tkinter events (mouse / key press / quit)
        - all buttons
     - application events, like "AnimationFinished" event
    """
    def __init__(self):
        self._events = Queue()
        self._callbacks = {}

    def raise_event(self, event):
        self._events.put(event)

    def add_callback(self, event_name, callback):
        self._callbacks.setdefault(event_name, []).append(callback)

    def handle_events(self):
        while not self._events.empty():
            event = self._events.pop()
            if event.type in [Event.QUIT, Event.NEWFRAME]:
                # print("Handling", event, self._callbacks.get(event.type, []))
                pass
            for callback in self._callbacks.get(event.type, []):
                callback(event)
示例#3
0
 def print_weights(self):
     q = Queue()
     layer = 0
     for neuron in self.input_layer:
         q.put((neuron, layer + 1))
     while not q.empty():
         neuron, cur_layer = q.pop()
         if cur_layer > layer and cur_layer < self.nlayers:
             print "\nlayer %d:" % cur_layer,
             layer = cur_layer
             for connection in neuron.outputs:
                 q.put((connection.tar, layer + 1))
         for connection in neuron.outputs:
             print connection.w,
     print  # print new line
示例#4
0
 def test_put_1(self):
     q = Queue()
     q.put(1)
     self.assertEqual(q.top(), 1)
示例#5
0
 def test_pop_exception(self):
     with self.assertRaises(AssertionError):
         q = Queue()
         q.put(1)
         q.pop()
         q.pop()
示例#6
0
 def test_put_2(self):
     q = Queue()
     q.put(2)
     self.assertFalse(q.empty())
     q.put(1)
     self.assertEqual(q.top(), 2)