def removeDevice(value):
lock.acquire()
deviceDict.remove(value)
lock.release()
def saveDictionary():
lock.acquire()
with open('deviceDictionary.pickle', 'wb') as handle:
pickle.dump(deviceDict, handle, protocol=pickle.HIGHEST_PROTOCOL)
lock.release()
def addDevice(key, value):
lock.acquire()
deviceDict[key] = value
lock.release()