Add max/min/step to NumberEntityDescription (#61100)

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

homeassistant/components/deconz/number.py

@@ -29,9 +29,6 @@ class DeconzNumberEntityDescriptionBase:
     device_property: str
     suffix: str
     update_key: str
-    max_value: int
-    min_value: int
-    step: int
 
 
 @dataclass
@@ -122,9 +119,6 @@ class DeconzNumber(DeconzDevice, NumberEntity):
         super().__init__(device, gateway)
 
         self._attr_name = f"{device.name} {description.suffix}"
-        self._attr_max_value = description.max_value
-        self._attr_min_value = description.min_value
-        self._attr_step = description.step
 
     @callback
     def async_update_callback(self) -> None:

homeassistant/components/number/__init__.py

@@ -91,13 +91,17 @@ async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
 class NumberEntityDescription(EntityDescription):
     """A class that describes number entities."""
 
+    max_value: float | None = None
+    min_value: float | None = None
+    step: float | None = None
+
 
 class NumberEntity(Entity):
     """Representation of a Number entity."""
 
     entity_description: NumberEntityDescription
-    _attr_max_value: float = DEFAULT_MAX_VALUE
-    _attr_min_value: float = DEFAULT_MIN_VALUE
+    _attr_max_value: float
+    _attr_min_value: float
     _attr_state: None = None
     _attr_step: float
     _attr_mode: NumberMode = NumberMode.AUTO
@@ -116,18 +120,37 @@ class NumberEntity(Entity):
     @property
     def min_value(self) -> float:
         """Return the minimum value."""
-        return self._attr_min_value
+        if hasattr(self, "_attr_min_value"):
+            return self._attr_min_value
+        if (
+            hasattr(self, "entity_description")
+            and self.entity_description.min_value is not None
+        ):
+            return self.entity_description.min_value
+        return DEFAULT_MIN_VALUE
 
     @property
     def max_value(self) -> float:
         """Return the maximum value."""
-        return self._attr_max_value
+        if hasattr(self, "_attr_max_value"):
+            return self._attr_max_value
+        if (
+            hasattr(self, "entity_description")
+            and self.entity_description.max_value is not None
+        ):
+            return self.entity_description.max_value
+        return DEFAULT_MAX_VALUE
 
     @property
     def step(self) -> float:
         """Return the increment/decrement step."""
         if hasattr(self, "_attr_step"):
             return self._attr_step
+        if (
+            hasattr(self, "entity_description")
+            and self.entity_description.step is not None
+        ):
+            return self.entity_description.step
         step = DEFAULT_STEP
         value_range = abs(self.max_value - self.min_value)
         if value_range != 0:

homeassistant/components/template/number.py

@@ -149,6 +149,8 @@ class TemplateNumber(TemplateEntity, NumberEntity):
         self._attr_unique_id = unique_id
         self._attr_value = None
         self._attr_step = None
+        self._attr_min_value = None
+        self._attr_max_value = None
 
     async def async_added_to_hass(self) -> None:
         """Register callbacks."""

homeassistant/components/wallbox/number.py

@@ -19,8 +19,6 @@ from .const import CONF_MAX_AVAILABLE_POWER_KEY, CONF_MAX_CHARGING_CURRENT_KEY,
 class WallboxNumberEntityDescription(NumberEntityDescription):
     """Describes Wallbox sensor entity."""
 
-    min_value: float = 0
-
 
 NUMBER_TYPES: dict[str, WallboxNumberEntityDescription] = {
     CONF_MAX_CHARGING_CURRENT_KEY: WallboxNumberEntityDescription(
@@ -71,7 +69,6 @@ class WallboxNumber(CoordinatorEntity, NumberEntity):
         self.entity_description = description
         self._coordinator = coordinator
         self._attr_name = f"{entry.title} {description.name}"
-        self._attr_min_value = description.min_value
 
     @property
     def max_value(self) -> float:

homeassistant/components/wled/number.py

@@ -41,11 +41,17 @@ NUMBERS = [
         name="Speed",
         icon="mdi:speedometer",
         entity_category=ENTITY_CATEGORY_CONFIG,
+        step=1,
+        min_value=0,
+        max_value=255,
     ),
     NumberEntityDescription(
         key=ATTR_INTENSITY,
         name="Intensity",
         entity_category=ENTITY_CATEGORY_CONFIG,
+        step=1,
+        min_value=0,
+        max_value=255,
     ),
 ]
 
@@ -53,10 +59,6 @@ NUMBERS = [
 class WLEDNumber(WLEDEntity, NumberEntity):
     """Defines a WLED speed number."""
 
-    _attr_step = 1
-    _attr_min_value = 0
-    _attr_max_value = 255
-
     def __init__(
         self,
         coordinator: WLEDDataUpdateCoordinator,

homeassistant/components/xiaomi_miio/number.py

@@ -82,9 +82,6 @@ ATTR_VOLUME = "volume"
 class XiaomiMiioNumberDescription(NumberEntityDescription):
     """A class that describes number entities."""
 
-    min_value: float | None = None
-    max_value: float | None = None
-    step: float | None = None
     available_with_device_off: bool = True
     method: str | None = None
 
@@ -278,9 +275,6 @@ class XiaomiNumberEntity(XiaomiCoordinatedMiioEntity, NumberEntity):
         """Initialize the generic Xiaomi attribute selector."""
         super().__init__(name, device, entry, unique_id, coordinator)
 
-        self._attr_min_value = description.min_value
-        self._attr_max_value = description.max_value
-        self._attr_step = description.step
         self._attr_value = self._extract_value_from_attribute(
             coordinator.data, description.key
         )