Refactor kaiterra to use SensorEntityDescription (#61865)

Co-authored-by: epenet <epenet@users.noreply.github.com>

homeassistant/components/kaiterra/sensor.py

@@ -1,20 +1,25 @@
 """Support for Kaiterra Temperature ahn Humidity Sensors."""
-from homeassistant.components.sensor import SensorEntity
-from homeassistant.const import (
-    CONF_DEVICE_ID,
-    CONF_NAME,
-    DEVICE_CLASS_HUMIDITY,
-    DEVICE_CLASS_TEMPERATURE,
-    TEMP_CELSIUS,
-    TEMP_FAHRENHEIT,
+from homeassistant.components.sensor import (
+    SensorDeviceClass,
+    SensorEntity,
+    SensorEntityDescription,
 )
+from homeassistant.const import CONF_DEVICE_ID, CONF_NAME, TEMP_CELSIUS, TEMP_FAHRENHEIT
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 
 from .const import DISPATCHER_KAITERRA, DOMAIN
 
 SENSORS = [
-    {"name": "Temperature", "prop": "rtemp", "device_class": DEVICE_CLASS_TEMPERATURE},
-    {"name": "Humidity", "prop": "rhumid", "device_class": DEVICE_CLASS_HUMIDITY},
+    SensorEntityDescription(
+        name="Temperature",
+        key="rtemp",
+        device_class=SensorDeviceClass.TEMPERATURE,
+    ),
+    SensorEntityDescription(
+        name="Humidity",
+        key="rhumid",
+        device_class=SensorDeviceClass.HUMIDITY,
+    ),
 ]
 
 
@@ -28,57 +33,40 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
     device_id = discovery_info[CONF_DEVICE_ID]
 
     async_add_entities(
-        [KaiterraSensor(api, name, device_id, sensor) for sensor in SENSORS]
+        [KaiterraSensor(api, name, device_id, description) for description in SENSORS]
     )
 
 
 class KaiterraSensor(SensorEntity):
     """Implementation of a Kaittera sensor."""
 
-    def __init__(self, api, name, device_id, sensor):
+    _attr_should_poll = False
+
+    def __init__(self, api, name, device_id, description: SensorEntityDescription):
         """Initialize the sensor."""
         self._api = api
-        self._name = f'{name} {sensor["name"]}'
         self._device_id = device_id
-        self._kind = sensor["name"].lower()
-        self._property = sensor["prop"]
-        self._device_class = sensor["device_class"]
+        self.entity_description = description
+        self._attr_name = f"{name} {description.name}"
+        self._attr_unique_id = f"{device_id}_{description.name.lower()}"
 
     @property
     def _sensor(self):
         """Return the sensor data."""
-        return self._api.data.get(self._device_id, {}).get(self._property, {})
-
-    @property
-    def should_poll(self):
-        """Return that the sensor should not be polled."""
-        return False
+        return self._api.data.get(self._device_id, {}).get(
+            self.entity_description.key, {}
+        )
 
     @property
     def available(self):
         """Return the availability of the sensor."""
         return self._api.data.get(self._device_id) is not None
 
-    @property
-    def device_class(self):
-        """Return the device class."""
-        return self._device_class
-
-    @property
-    def name(self):
-        """Return the name."""
-        return self._name
-
     @property
     def native_value(self):
         """Return the state."""
         return self._sensor.get("value")
 
-    @property
-    def unique_id(self):
-        """Return the sensor's unique id."""
-        return f"{self._device_id}_{self._kind}"
-
     @property
     def native_unit_of_measurement(self):
         """Return the unit the value is expressed in."""