def test_sensorvalue_serialization(self):
'''on windows the deserialization seems to lose the fractions of seconds
so this test is only for seconds'''
sch = SensorValueSchema()
sensorvalue = SensorValue('testid', '99.9', 'temperature')
sensorvalue.sensor = Sensor('testid', 'temperature', 'controller')
sensortime = sensorvalue.sensortime
jsensor = sch.dumps(sensorvalue).data
#rehydrate sensor
resensor = SensorValueSchema().loads(jsensor).data
self.assertTrue(isinstance(resensor, SensorValue))
self.assertTrue(resensor.sensortime.day == sensortime.day)
self.assertTrue(resensor.sensortime.hour == sensortime.hour)
self.assertTrue(resensor.sensortime.minute == sensortime.minute)
self.assertTrue(resensor.sensortime.second == sensortime.second)
self.assertTrue(isinstance(resensor.sensor, Sensor))
self.assertTrue(resensor.sensorid == resensor.sensor.sensorid)
def store_picture_cache(self, file_name):
if os.path.isfile(file_name):
with open(file_name, 'rb') as photofile:
picdata = photofile.read()
reading = SensorValue('fullcyclecamera', base64.b64encode(picdata), 'camera')
#reading.sensor = self.sensor
#self.sendsensor(reading)
message = self.createmessageenvelope()
sensorjson = message.jsonserialize(SensorValueSchema(), reading)
self.tryputcache(CacheKeys.camera, sensorjson)
def readtemperature(self):
try:
sensor_humid, sensor_temp = readtemperature()
if sensor_temp is not None:
reading = SensorValue('fullcycletemp', sensor_temp, 'temperature')
reading.sensor = self.sensor
self.sendsensor(reading)
if sensor_humid is not None:
reading = SensorValue('fullcyclehumid', sensor_humid, 'humidity')
reading.sensor = self.sensor
self.sendsensor(reading)
return sensor_humid, sensor_temp
except BaseException as ex:
self.logexception(ex)
return None, None
def readtemperature(self):
temperature_reading = humidity_reading = None
try:
sensor_humid, sensor_temp = readtemperature()
if sensor_temp is not None:
temperature_reading = SensorValue('fullcycletemp', sensor_temp,
'temperature')
temperature_reading.sensor = self.sensor
if sensor_humid is not None:
humidity_reading = SensorValue('fullcyclehumid', sensor_humid,
'humidity')
humidity_reading.sensor = self.sensor
except BaseException: # as ex:
#self.logexception(ex)
#todo: reenable
pass
return temperature_reading, humidity_reading
def make_sensorvalue(self, data):
'''reconstitute sensorvalue'''
return SensorValue(**data)
def make_sensorvalue(self, data):
'''reconstitute sensorvalue'''
entity = SensorValue(sensorid=data['sensorid'],
value=data['value'],
valuetype=data['valuetype'])
return entity