class SensorReader(object):
'''
classdocs
'''
__metaclass__ = abc.ABCMeta
def __init__(self, sensor=None, delay=5, sensor_id=None):
'''
Constructor
'''
self.threadSensor = Thread(target=self.measure, args=())
self.sensor = sensor
self.delay = delay
self.sensor_id = sensor_id
@staticmethod
def createReader(readerType, sensorType, delay):
if (readerType == 'Temperature'):
return TemperatureReader(sensorType, delay)
elif (readerType == 'Humidity'):
return HumidityReader(sensorType, delay)
elif (readerType == 'Luminosity'):
return LightReader(sensorType, delay)
else:
assert 0, "Bad sensor creation: " + sensorType
@abc.abstractmethod
def createSensor(sensorType):
"""Retrieve data from the input source and return a Sensor object.
@param sensorType: The kind of sensor to be created
@type sensorType: String
"""
pass
@abc.abstractmethod
def measure(self):
pass
def startThread(self):
print "inside startThread"
self.threadSensor.start()
def pauseThread(self):
print "inside pauseThread"
#self.threadSensor.
def releaseThread(self):
print "inside releaseThread"
self.threadSensor.release()
def saveData(self, valuereaded=None):
sm = SensorMesurement(sensor_id=self.sensor_id, value=valuereaded)
sm.save()
class HumidityReader(object):
'''
classdocs
'''
__metaclass__ = abc.ABCMeta
def __init__(self, sensorName="DHT11Humididty"):
'''
Constructor
'''
#dht11 = HumididtySensorFactory.createSensor(sensorName)
self.sensor = Sensor()
self.threadSensor = Thread(target = self.measureHumidity, args=(self.sensor,5))
self.threadSensor.daemon = True
def startThread(self):
print "inside startThread"
self.threadSensor.start()
def pauseThread(self):
print "inside pauseThread"
#self.threadSensor.
def releaseThread(self):
print "inside releaseThread"
self.threadSensor.release()
def measureHumidity(self,sensor, delay):
try:
while (True) :
self.sensor.getHumidity() #salvar aqui no banco a leitura
time.sleep(delay)
except (KeyboardInterrupt, SystemExit):
raise
except:
print "saindo da thread"
