def attend(macAddr): result = json.setAttendence(macAddr, "mac") if (result['status'] == True): return result else: return "Not working"
def poolDevices(self):
#try:
self.shutdown = False
replyQueue = Queue.Queue()
print 'Pool devices'
if(self.isDeviceActive('nfc') or self.isDeviceActive('camera') ):
if(self.isDeviceActive('nfc')):
thread1 = threading.Thread(target=self.poolNFC, args=(replyQueue, ))
thread1.setDaemon(True)
thread1.start()
if(self.isDeviceActive('camera')):
thread2 = threading.Thread(target=self.poolCamera, args=(replyQueue, ))
thread2.setDaemon(True)
thread2.start()
endTime = datetime.datetime.now() + datetime.timedelta(seconds = config.ActiveTime)
currentTime = datetime.datetime.now()
while (currentTime < endTime):
currentTime = datetime.datetime.now()
if(replyQueue.empty != True):
# Data receved from one of the devices
#get the data
data, dataType = replyQueue.get()
#if data not in self.dataList:
# check for repetition
if self.dataList != data:
self.dataList = data
userData = json.setAttendence(data, dataType)
# If server isn't avalable to be connected to, store data to the db
if(userData = "cannot connect"):
user = self.db.findTag(data, dataType)
self.db.addTag(data, dataType)
self.displayMessage("-- Offline --")
if (user != "not found"):
self.displayMessage(user[0][3] + ": " + user[0][2])
else:
self.displayMessage(dataType + " tag saved")
else:
if(userData['status'] != False): # If error happens, display a message otherwise the person's name
self.displayMessage(userData['name'] + ": " + userData['studentid']) #TODO
else:
user = self.db.findTag(data, dataType)
if (user != "not found"):
self.displayMessage("Error: " + userData['message'])
else:
self.displayMessage(user[0][3] + ": " + userData['message'])
print userData
shutdown = True
if(self.isDeviceActive('nfc')):
thread1.join()
if(self.isDeviceActive('camera')):
thread2.join()
self.cleanGPIO()
if(replyQueue.empty != True and config.Testing == True):
displayMessage("Queue isn't empty")
else:
print ("Camera and NFC reader don't exist")