Use library min/max kelvin in Tuya lights (#181720)

homeassistant/components/tuya/light.py

@@ -8,6 +8,7 @@ from tuya_device_handlers.definition.light import (
     LightDefinition,
     get_default_definition,
 )
+from tuya_device_handlers.device_wrapper.light import ColorTempWrapper
 from tuya_sharing import CustomerDevice, Manager
 
 from homeassistant.components.light import (
@@ -426,8 +427,8 @@ class TuyaLightEntity(TuyaEntity, LightEntity):
 
     _white_color_mode = ColorMode.COLOR_TEMP
     _fixed_color_mode: ColorMode | None = None
-    _attr_min_color_temp_kelvin = 2000  # 500 Mireds
-    _attr_max_color_temp_kelvin = 6500  # 153 Mireds
+    _attr_min_color_temp_kelvin = ColorTempWrapper.MIN_KELVIN
+    _attr_max_color_temp_kelvin = ColorTempWrapper.MAX_KELVIN
 
     def __init__(
         self,
@@ -453,8 +454,12 @@ class TuyaLightEntity(TuyaEntity, LightEntity):
             color_modes.add(ColorMode.HS)
 
         # Check if the light has color temperature
-        if definition.color_temp_wrapper:
+        if color_temp_wrapper := definition.color_temp_wrapper:
             color_modes.add(ColorMode.COLOR_TEMP)
+            # LightDefinition types the wrapper as a plain DeviceWrapper[int]
+            if isinstance(color_temp_wrapper, ColorTempWrapper):
+                self._attr_min_color_temp_kelvin = color_temp_wrapper.min_kelvin
+                self._attr_max_color_temp_kelvin = color_temp_wrapper.max_kelvin
         # If light has color but does not have color_temp, check if it has
         # work_mode "white"
         elif (

tests/components/tuya/test_light.py

@@ -5,12 +5,15 @@ from unittest.mock import patch
 
 import pytest
 from syrupy.assertion import SnapshotAssertion
+from tuya_device_handlers.device_wrapper.light import ColorTempWrapper
 from tuya_sharing import CustomerDevice, Manager
 
 from homeassistant.components.light import (
     ATTR_BRIGHTNESS,
     ATTR_COLOR_TEMP_KELVIN,
     ATTR_HS_COLOR,
+    ATTR_MAX_COLOR_TEMP_KELVIN,
+    ATTR_MIN_COLOR_TEMP_KELVIN,
     ATTR_WHITE,
     DOMAIN as LIGHT_DOMAIN,
     SERVICE_TURN_OFF,
@@ -167,3 +170,23 @@ async def test_action(
         mock_device.id,
         expected_commands,
     )
+
+
+@pytest.mark.parametrize("mock_device_code", ["dj_ilddqqih3tucdk68"])
+async def test_color_temp_range_override(
+    hass: HomeAssistant,
+    mock_manager: Manager,
+    mock_config_entry: MockConfigEntry,
+    mock_device: CustomerDevice,
+) -> None:
+    """Test the entity reports the Kelvin range exposed by the wrapper."""
+    with (
+        patch.object(ColorTempWrapper, "min_kelvin", 1600),
+        patch.object(ColorTempWrapper, "max_kelvin", 4000),
+    ):
+        await initialize_entry(hass, mock_manager, mock_config_entry, mock_device)
+
+    state = hass.states.get("light.ieskas")
+    assert state is not None
+    assert state.attributes[ATTR_MIN_COLOR_TEMP_KELVIN] == 1600
+    assert state.attributes[ATTR_MAX_COLOR_TEMP_KELVIN] == 4000