def testEnumNew_NoLeak(self):
gc.collect()
total = sys.gettotalrefcount()
for idx in range(1000):
ret = Qt.Key(42)
gc.collect()
delta = sys.gettotalrefcount() - total
print("delta total refcount =", delta)
if abs(delta) >= 10:
all = [(sys.getrefcount(x), x) for x in sys.getobjects(0)]
all.sort(key=lambda x: x[0], reverse=True)
for ob in all[:10]:
print(ob)
self.assertTrue(abs(delta) < 10)
def eventFilter(self, obj, qt_event):
""" Qt keys events => EMC events """
event_type = qt_event.type()
# notify the EmcGui base class of mouse moves
if event_type == QtCore.QEvent.MouseMove:
self._gui.mouse_move_event()
return False # let Qt manage the event
if event_type != QtCore.QEvent.KeyPress:
return False # not a key event, let Qt manage it
if not qt_event.spontaneous():
return False # we generate this event, let it goes to QML
# this keyb event comes from the window, forward it to EMC by name
key = Qt.Key(qt_event.key())
self._gui.key_down_send(key.name.decode())
return True # stop propagation
def testPickleEnum(self):
# Pickling of enums with different depth works.
ret = pickle.loads(pickle.dumps(QIODevice.Append))
self.assertEqual(ret, QIODevice.Append)
ret = pickle.loads(pickle.dumps(Qt.Key.Key_Asterisk))
self.assertEqual(ret, Qt.Key.Key_Asterisk)
self.assertEqual(ret, Qt.Key(42))
# We can also pickle the whole enum class (built in):
ret = pickle.loads(pickle.dumps(QIODevice))
# This works also with nested classes for Python 3, after we
# introduced the correct __qualname__ attribute.
# Note: For Python 2, we would need quite strange patches.
func = lambda: pickle.loads(pickle.dumps(Qt.Key))
if sys.version_info[0] < 3:
with self.assertRaises(pickle.PicklingError):
func()
else:
func()