def cleanUp(self):
self.trace("[TangoDevice] cleanUp")
self._descr = None
if not self._deviceStateObj is None:
self._deviceStateObj.removeListener(self)
self._deviceStateObj = None
self._deviceObj = None
TaurusDevice.cleanUp(self)
def cleanUp(self):
self.trace("[TangoDevice] cleanUp")
self._descr = None
if not self._deviceStateObj is None:
self._deviceStateObj.removeListener(self)
self._deviceStateObj = None
self._deviceObj = None
TaurusDevice.cleanUp(self)
def addListener(self, listener):
weWereListening = self.hasListeners()
ret = TaurusDevice.addListener(self, listener)
if not ret:
return ret
# We are only listening to State if someone is listening to us
if weWereListening:
# We were listening already, so we must fake an event to the new
# subscribed listener with the current value
evt_value = self.__decode(self.stateObj.read())
listeners = hasattr(listener, '__iter__') and listener or [
listener]
self.fireEvent(TaurusEventType.Change, evt_value, listeners)
else:
# We were not listening to events, but now we have to
self.stateObj.addListener(self)
return ret
def addListener(self, listener):
weWereListening = self.hasListeners()
ret = TaurusDevice.addListener(self, listener)
if not ret:
return ret
# We are only listening to State if someone is listening to us
if weWereListening:
# We were listening already, so we must fake an event to the new
# subscribed listener with the current value
evt_value = self.__decode(self.stateObj.read())
listeners = hasattr(listener, '__iter__') and listener or [
listener
]
self.fireEvent(TaurusEventType.Change, evt_value, listeners)
else:
# We were not listening to events, but now we have to
self.stateObj.addListener(self)
return ret
def removeListener(self, listener):
ret = TaurusDevice.removeListener(self, listener)
if not ret or self.hasListeners():
return ret # False, None or True
return self.stateObj.removeListener(self)
def removeListener(self, listener):
ret = TaurusDevice.removeListener(self, listener)
if not ret or self.hasListeners():
return ret # False, None or True
return self.stateObj.removeListener(self)