Set WeatherFlow display precision from sensor resolution (#183106)

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

homeassistant/components/weatherflow/sensor.py

@@ -78,7 +78,7 @@ SENSORS: tuple[WeatherFlowSensorEntityDescription, ...] = (
         translation_key="air_density",
         native_unit_of_measurement="kg/m³",
         state_class=SensorStateClass.MEASUREMENT,
-        suggested_display_precision=5,
+        suggested_display_precision=3,
         raw_data_conv_fn=lambda raw_data: raw_data.magnitude,
     ),
     WeatherFlowSensorEntityDescription(
@@ -123,6 +123,7 @@ SENSORS: tuple[WeatherFlowSensorEntityDescription, ...] = (
         device_class=SensorDeviceClass.VOLTAGE,
         entity_category=EntityCategory.DIAGNOSTIC,
         state_class=SensorStateClass.MEASUREMENT,
+        suggested_display_precision=3,
         raw_data_conv_fn=lambda raw_data: raw_data.magnitude,
     ),
     WeatherFlowSensorEntityDescription(
@@ -131,6 +132,7 @@ SENSORS: tuple[WeatherFlowSensorEntityDescription, ...] = (
         device_class=SensorDeviceClass.BATTERY,
         entity_category=EntityCategory.DIAGNOSTIC,
         state_class=SensorStateClass.MEASUREMENT,
+        suggested_display_precision=0,
         raw_data_conv_fn=lambda raw_data: raw_data.magnitude,
     ),
     WeatherFlowSensorEntityDescription(
@@ -146,7 +148,7 @@ SENSORS: tuple[WeatherFlowSensorEntityDescription, ...] = (
         device_class=SensorDeviceClass.DISTANCE,
         native_unit_of_measurement=UnitOfLength.KILOMETERS,
         translation_key="lightning_average_distance",
-        suggested_display_precision=2,
+        suggested_display_precision=0,
         raw_data_conv_fn=lambda raw_data: raw_data.magnitude,
     ),
     WeatherFlowSensorEntityDescription(
@@ -162,7 +164,7 @@ SENSORS: tuple[WeatherFlowSensorEntityDescription, ...] = (
         state_class=SensorStateClass.MEASUREMENT,
         device_class=SensorDeviceClass.DISTANCE,
         native_unit_of_measurement=UnitOfLength.KILOMETERS,
-        suggested_display_precision=2,
+        suggested_display_precision=0,
         event_subscriptions=[EVENT_STRIKE],
         raw_data_conv_fn=lambda raw_data: raw_data.distance.magnitude,
     ),
@@ -194,6 +196,7 @@ SENSORS: tuple[WeatherFlowSensorEntityDescription, ...] = (
         native_unit_of_measurement=UnitOfPrecipitationDepth.MILLIMETERS,
         state_class=SensorStateClass.TOTAL,
         device_class=SensorDeviceClass.PRECIPITATION,
+        suggested_display_precision=2,
         raw_data_conv_fn=lambda raw_data: raw_data.magnitude,
     ),
     WeatherFlowSensorEntityDescription(
@@ -201,6 +204,7 @@ SENSORS: tuple[WeatherFlowSensorEntityDescription, ...] = (
         state_class=SensorStateClass.MEASUREMENT,
         device_class=SensorDeviceClass.PRECIPITATION_INTENSITY,
         native_unit_of_measurement=UnitOfVolumetricFlux.MILLIMETERS_PER_HOUR,
+        suggested_display_precision=1,
         raw_data_conv_fn=lambda raw_data: raw_data.magnitude,
     ),
     WeatherFlowSensorEntityDescription(
@@ -208,6 +212,7 @@ SENSORS: tuple[WeatherFlowSensorEntityDescription, ...] = (
         native_unit_of_measurement=PERCENTAGE,
         device_class=SensorDeviceClass.HUMIDITY,
         state_class=SensorStateClass.MEASUREMENT,
+        suggested_display_precision=0,
         raw_data_conv_fn=lambda raw_data: raw_data.magnitude,
     ),
     WeatherFlowSensorEntityDescription(
@@ -226,7 +231,7 @@ SENSORS: tuple[WeatherFlowSensorEntityDescription, ...] = (
         native_unit_of_measurement=UnitOfPressure.MBAR,
         device_class=SensorDeviceClass.ATMOSPHERIC_PRESSURE,
         state_class=SensorStateClass.MEASUREMENT,
-        suggested_display_precision=5,
+        suggested_display_precision=1,
         raw_data_conv_fn=lambda raw_data: raw_data.magnitude,
     ),
     WeatherFlowSensorEntityDescription(
@@ -250,6 +255,7 @@ SENSORS: tuple[WeatherFlowSensorEntityDescription, ...] = (
         translation_key="uv_index",
         native_unit_of_measurement=UV_INDEX,
         state_class=SensorStateClass.MEASUREMENT,
+        suggested_display_precision=1,
         raw_data_conv_fn=lambda raw_data: raw_data,
     ),
     WeatherFlowSensorEntityDescription(

tests/components/weatherflow/snapshots/test_sensor.ambr

@@ -26,7 +26,7 @@
     'object_id_base': 'Air density',
     'options': dict({
       'sensor': dict({
-        'suggested_display_precision': 5,
+        'suggested_display_precision': 3,
       }),
     }),
     'original_device_class': None,
@@ -83,7 +83,7 @@
     'object_id_base': 'Air pressure',
     'options': dict({
       'sensor': dict({
-        'suggested_display_precision': 5,
+        'suggested_display_precision': 1,
       }),
       'sensor.private': dict({
         'suggested_unit_of_measurement': <UnitOfPressure.HPA: 'hPa'>,
@@ -143,6 +143,9 @@
     'name': None,
     'object_id_base': 'Battery',
     'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 0,
+      }),
     }),
     'original_device_class': <SensorDeviceClass.BATTERY: 'battery'>,
     'original_icon': None,
@@ -199,7 +202,7 @@
     'object_id_base': 'Battery voltage',
     'options': dict({
       'sensor': dict({
-        'suggested_display_precision': 0,
+        'suggested_display_precision': 3,
       }),
     }),
     'original_device_class': <SensorDeviceClass.VOLTAGE: 'voltage'>,
@@ -372,6 +375,9 @@
     'name': None,
     'object_id_base': 'Humidity',
     'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 0,
+      }),
     }),
     'original_device_class': <SensorDeviceClass.HUMIDITY: 'humidity'>,
     'original_icon': None,
@@ -541,7 +547,7 @@
     'object_id_base': 'Lightning average distance',
     'options': dict({
       'sensor': dict({
-        'suggested_display_precision': 2,
+        'suggested_display_precision': 0,
       }),
     }),
     'original_device_class': <SensorDeviceClass.DISTANCE: 'distance'>,
@@ -653,7 +659,7 @@
     'object_id_base': 'Lightning last distance',
     'options': dict({
       'sensor': dict({
-        'suggested_display_precision': 2,
+        'suggested_display_precision': 0,
       }),
     }),
     'original_device_class': <SensorDeviceClass.DISTANCE: 'distance'>,
@@ -815,7 +821,7 @@
     'object_id_base': 'Precipitation',
     'options': dict({
       'sensor': dict({
-        'suggested_display_precision': 0,
+        'suggested_display_precision': 2,
       }),
     }),
     'original_device_class': <SensorDeviceClass.PRECIPITATION: 'precipitation'>,
@@ -874,7 +880,7 @@
     'object_id_base': 'Precipitation intensity',
     'options': dict({
       'sensor': dict({
-        'suggested_display_precision': 0,
+        'suggested_display_precision': 1,
       }),
     }),
     'original_device_class': <SensorDeviceClass.PRECIPITATION_INTENSITY: 'precipitation_intensity'>,
@@ -1161,6 +1167,9 @@
     'name': None,
     'object_id_base': 'UV index',
     'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 1,
+      }),
     }),
     'original_device_class': None,
     'original_icon': None,