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Improve light documentation (#1043)

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Erik Montnemery 2021-08-31 19:42:00 +02:00 committed by GitHub
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docs/core/entity/light.md
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@ -11,7 +11,7 @@ A light entity controls the brightness, hue and saturation color value, white va
| Name | Type | Default | Description
| ---- | ---- | ---- | ----
| brightness | int | None | Return the brightness of this light between 0..255
| color_mode | string | None | Return the color mode of the light. Must be present in the `supported_color_modes` property.
| color_mode | string | None | Return the color mode of the light. The returned color mode must be present in the `supported_color_modes` property.
| color_temp | int | None | Return the CT color value in mireds. This property will be copied to the light's state attribute when the light's color mode is set to `COLOR_MODE_COLOR_TEMP` and ignored otherwise.
| effect | String | None | Return the current effect.
| effect_list | list | None | Return the list of supported effects.
@ -29,6 +29,24 @@ A light entity controls the brightness, hue and saturation color value, white va
## Color Modes
New integrations must implement both `color_mode` and `supported_color_modes`. If an integration is upgraded to support color mode, both `color_mode` and `supported_color_modes` should be implemented.
If a light does not implement the `supported_color_modes`, the `LightEntity` will attempt deduce it based on deprecated flags in the `supported_features` property:
- Start with an empty set
- If `SUPPORT_COLOR_TEMP` is set, add `COLOR_MODE_COLOR_TEMP`
- If `SUPPORT_COLOR` is set, add `COLOR_MODE_HS`
- If `SUPPORT_WHITE_VALUE` is set, add `COLOR_MODE_RGBW`
- If `SUPPORT_BRIGHTNESS` is set and no color modes have yet been added, add `COLOR_MODE_BRIGHTNESS`
- If no color modes have yet been added, add `COLOR_MODE_ONOFF`
If a light does not implement the `color_mode`, the `LightEntity` will attempt to deduce it based on which of the properties are set and which are `None`:
- If `supported_color_mode` includes `COLOR_MODE_RGBW` and `white_value` and `hs_color` are both not None: `COLOR_MODE_RGBW`
- Else if `supported_color_mode` includes `COLOR_MODE_HS` and `hs_color` is not None: `COLOR_MODE_HS`
- Else if `supported_color_mode` includes `COLOR_MODE_COLOR_TEMP` and `color_temp` is not None: `COLOR_MODE_COLOR_TEMP`
- Else if `supported_color_mode` includes `COLOR_MODE_BRIGHTNESS` and `brightness` is not None: `COLOR_MODE_BRIGHTNESS`
- Else if `supported_color_mode` includes `COLOR_MODE_ONOFF`: `COLOR_MODE_ONOFF`
- Else: COLOR_MODE_UNKNOWN
| Constant | Description
|----------|-----------------------
| `COLOR_MODE_UNKNOWN` | The light's color mode is not known.
@ -73,9 +91,8 @@ class MyLightEntity(LightEntity):
"""Turn device on."""
```
Note that there's no `color_mode` passed to the `async_turn_on` method, instead only a single color is allowed.
Colors in the service call will be translated before the entity's `async_turn_on` method is called if the light doesn't support the corresponding color mode:
Note that there's no `color_mode` passed to the `async_turn_on` method, instead only a single color attribute is allowed.
It is guaranteed that the integration will only receive a single color attribute in a `turn_on`call, which is guaranteed to be supported by the light according to the light's `supported_color_modes` property. To ensure this, colors in the service call will be translated before the entity's `async_turn_on` method is called if the light doesn't support the corresponding color mode:
| Color type | Translation
|--------------|-----------------------