118 lines
3.4 KiB
Markdown
118 lines
3.4 KiB
Markdown
---
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title: Fan Entity
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sidebar_label: Fan
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---
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A fan entity is a device that controls the different vectors of your fan such as speed, direction and oscillation. Derive entity platforms from ['homeassistant.components.fan.FanDevice'](https://github.com/home-assistant/home-assistant/blob/dev/homeassistant/components/fan/__init__.py).
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## Properties
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:::tip
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Properties should always only return information from memory and not do I/O (like network requests). Implement `update()` or `async_update()` to fetch data.
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:::
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| Name | Type | Default | Description
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| ---- | ---- | ------- | -----------
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| current_direction | str | None | Return the current direction of the fan |
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| is_on | boolean | None |Return true if the entity is on |
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| oscillating | boolean | None | Return true if the fan is oscillating |
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| speed | str | None | Return the current speed. One of the values in speed_list. |
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| speed_list | list | None| Get the list of available speeds. The allowed values are "off", "low", "medium" and "high". Use the corresponding constants SPEED_OFF, SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH. |
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| supported_features | int | 0 | Flag supported features |
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## Supported Features
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| Constant | Description |
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|----------|--------------------------------------|
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| 'SUPPORT_DIRECTION' | The fan supports changing the direction.
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| 'SUPPORT_SET_SPEED' | The fan supports setting the speed.
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| 'SUPPORT_OSCILLATE' | The fan supports oscillation.
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## Methods
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### Set direction
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Only implement this method if the flag `SUPPORT_DIRECTION` is set.
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```python
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class FanEntity(ToggleEntity):
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# Implement one of these methods.
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def set_direction(self, direction: str) -> None:
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"""Set the direction of the fan."""
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async def async_set_direction(self, direction: str) -> None:
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"""Set the direction of the fan."""
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```
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### Set speed
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Only implement this method if the flag `SUPPORT_SET_SPEED` is set.
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```python
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class FanEntity(ToggleEntity):
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# Implement one of these methods.
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def set_speed(self, speed: str) -> None:
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"""Set the speed of the fan."""
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async def async_set_speed(self, speed: str) -> None:
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"""Set the speed of the fan."""
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```
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### Turn on
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```python
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class FanEntity(ToggleEntity):
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# Implement one of these methods.
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def turn_on(self, speed: Optional[str] = None, **kwargs: Any) -> None:
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"""Turn on the fan."""
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async def async_turn_on(self, speed: Optional[str] = None, **kwargs: Any) -> None:
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"""Turn on the fan."""
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```
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### Turn off
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```python
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class FanEntity(ToggleEntity):
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# Implement one of these methods.
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def turn_off(self, **kwargs: Any) -> None:
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"""Turn the fan off."""
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async def async_turn_off(self, **kwargs: Any) -> None:
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"""Turn the fan off."""
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```
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### Toggle
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Optional. If not implemented will default to checking what method to call using the is_on property.
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```python
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class FanEntity(ToggleEntity):
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# Implement one of these methods.
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def toggle(self, **kwargs: Any) -> None:
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"""Toggle the fan."""
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async def async_toggle(self, **kwargs: Any) -> None:
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"""Toggle the fan."""
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```
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### Oscillate
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Only implement this method if the flag `SUPPORT_OSCILLATE` is set.
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```python
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class FanEntity(ToggleEntity):
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# Implement one of these methods.
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def oscillate(self, oscillating: bool) -> None:
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"""Oscillate the fan."""
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async def async_oscillate(self, oscillating: bool) -> None:
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"""Oscillate the fan."""
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```
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