Improve meteo_france generic typing (#84685)

homeassistant/components/meteo_france/sensor.py

@@ -2,11 +2,15 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
+from typing import Any, TypeVar, Union
 
 from meteofrance_api.helpers import (
     get_warning_text_status_from_indice_color,
     readeable_phenomenoms_dict,
 )
+from meteofrance_api.model.forecast import Forecast
+from meteofrance_api.model.rain import Rain
+from meteofrance_api.model.warning import CurrentPhenomenons
 
 from homeassistant.components.sensor import (
     SensorDeviceClass,
@@ -45,6 +49,8 @@ from .const import (
     MODEL,
 )
 
+_DataT = TypeVar("_DataT", bound=Union[Rain, Forecast, CurrentPhenomenons])
+
 
 @dataclass
 class MeteoFranceRequiredKeysMixin:
@@ -180,11 +186,14 @@ async def async_setup_entry(
     hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
 ) -> None:
     """Set up the Meteo-France sensor platform."""
-    coordinator_forecast = hass.data[DOMAIN][entry.entry_id][COORDINATOR_FORECAST]
-    coordinator_rain = hass.data[DOMAIN][entry.entry_id][COORDINATOR_RAIN]
-    coordinator_alert = hass.data[DOMAIN][entry.entry_id][COORDINATOR_ALERT]
+    data = hass.data[DOMAIN][entry.entry_id]
+    coordinator_forecast: DataUpdateCoordinator[Forecast] = data[COORDINATOR_FORECAST]
+    coordinator_rain: DataUpdateCoordinator[Rain] | None = data[COORDINATOR_RAIN]
+    coordinator_alert: DataUpdateCoordinator[CurrentPhenomenons] | None = data[
+        COORDINATOR_ALERT
+    ]
 
-    entities = [
+    entities: list[MeteoFranceSensor[Any]] = [
         MeteoFranceSensor(coordinator_forecast, description)
         for description in SENSOR_TYPES
     ]
@@ -216,7 +225,7 @@ async def async_setup_entry(
     async_add_entities(entities, False)
 
 
-class MeteoFranceSensor(CoordinatorEntity, SensorEntity):
+class MeteoFranceSensor(CoordinatorEntity[DataUpdateCoordinator[_DataT]], SensorEntity):
     """Representation of a Meteo-France sensor."""
 
     entity_description: MeteoFranceSensorEntityDescription
@@ -224,7 +233,7 @@ class MeteoFranceSensor(CoordinatorEntity, SensorEntity):
 
     def __init__(
         self,
-        coordinator: DataUpdateCoordinator,
+        coordinator: DataUpdateCoordinator[_DataT],
         description: MeteoFranceSensorEntityDescription,
     ) -> None:
         """Initialize the Meteo-France sensor."""
@@ -278,7 +287,7 @@ class MeteoFranceSensor(CoordinatorEntity, SensorEntity):
         return value
 
 
-class MeteoFranceRainSensor(MeteoFranceSensor):
+class MeteoFranceRainSensor(MeteoFranceSensor[Rain]):
     """Representation of a Meteo-France rain sensor."""
 
     @property
@@ -304,12 +313,12 @@ class MeteoFranceRainSensor(MeteoFranceSensor):
         }
 
 
-class MeteoFranceAlertSensor(MeteoFranceSensor):
+class MeteoFranceAlertSensor(MeteoFranceSensor[CurrentPhenomenons]):
     """Representation of a Meteo-France alert sensor."""
 
     def __init__(
         self,
-        coordinator: DataUpdateCoordinator,
+        coordinator: DataUpdateCoordinator[CurrentPhenomenons],
         description: MeteoFranceSensorEntityDescription,
     ) -> None:
         """Initialize the Meteo-France sensor."""

homeassistant/components/meteo_france/weather.py

@@ -2,6 +2,8 @@
 import logging
 import time
 
+from meteofrance_api.model.forecast import Forecast
+
 from homeassistant.components.weather import (
     ATTR_FORECAST_CONDITION,
     ATTR_FORECAST_NATIVE_PRECIPITATION,
@@ -56,7 +58,9 @@ async def async_setup_entry(
     hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
 ) -> None:
     """Set up the Meteo-France weather platform."""
-    coordinator = hass.data[DOMAIN][entry.entry_id][COORDINATOR_FORECAST]
+    coordinator: DataUpdateCoordinator[Forecast] = hass.data[DOMAIN][entry.entry_id][
+        COORDINATOR_FORECAST
+    ]
 
     async_add_entities(
         [
@@ -74,7 +78,9 @@ async def async_setup_entry(
     )
 
 
-class MeteoFranceWeather(CoordinatorEntity, WeatherEntity):
+class MeteoFranceWeather(
+    CoordinatorEntity[DataUpdateCoordinator[Forecast]], WeatherEntity
+):
     """Representation of a weather condition."""
 
     _attr_native_temperature_unit = UnitOfTemperature.CELSIUS
@@ -82,7 +88,7 @@ class MeteoFranceWeather(CoordinatorEntity, WeatherEntity):
     _attr_native_pressure_unit = UnitOfPressure.HPA
     _attr_native_wind_speed_unit = UnitOfSpeed.METERS_PER_SECOND
 
-    def __init__(self, coordinator: DataUpdateCoordinator, mode: str) -> None:
+    def __init__(self, coordinator: DataUpdateCoordinator[Forecast], mode: str) -> None:
         """Initialise the platform with a data instance and station name."""
         super().__init__(coordinator)
         self._city_name = self.coordinator.data.position["name"]