old_contents: import bme680
  import time
  
  
  class BME680:
      def __init__(self):
          self._sensor = bme680.BME680()
          self._sensor.set_humidity_oversample(bme680.OS_2X)
          self._sensor.set_pressure_oversample(bme680.OS_4X)
          self._sensor.set_temperature_oversample(bme680.OS_8X)
          self._sensor.set_filter(bme680.FILTER_SIZE_3)
  
      def get_temperature(self, mqtt_client, event_dispatcher, mqtt_details):
          pending_measurement = True
          temperature = None
  
          while pending_measurement:
              if self._sensor.get_sensor_data():
                  temperature = self._sensor.data.temperature
                  pending_measurement = False
              time.sleep(0.5)
  
          # TODO formalise this into object
          message = '{"temperature": {0:.2f}}'
  
          mqtt_client.publish(mqtt_details['topic'], temperature)
  
new_contents: import bme680
  import time
  
  
  class BME680:
      def __init__(self):
          self._sensor = bme680.BME680()
          self._sensor.set_humidity_oversample(bme680.OS_2X)
          self._sensor.set_pressure_oversample(bme680.OS_4X)
          self._sensor.set_temperature_oversample(bme680.OS_8X)
          self._sensor.set_filter(bme680.FILTER_SIZE_3)
  
      def get_temperature(self, mqtt_client, event_dispatcher, mqtt_details):
          pending_measurement = True
          temperature = None
  
          while pending_measurement:
              if self._sensor.get_sensor_data():
                  temperature = self._sensor.data.temperature
                  pending_measurement = False
              time.sleep(0.5)
  
          # TODO formalise this into object
          message = '{"temperature": {0:.2f}}'.format(temperature)
  
          mqtt_client.publish(mqtt_details['topic'], message)
  
subject: Use actual message