mirror of
https://github.com/home-assistant/core.git
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44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
"""The AirVisual component."""
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from __future__ import annotations
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from homeassistant.core import callback
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from homeassistant.helpers.entity import EntityDescription
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from homeassistant.helpers.update_coordinator import CoordinatorEntity
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from .coordinator import AirVisualDataUpdateCoordinator
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class AirVisualEntity(CoordinatorEntity[AirVisualDataUpdateCoordinator]):
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"""Define a generic AirVisual entity."""
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def __init__(
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self,
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coordinator: AirVisualDataUpdateCoordinator,
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description: EntityDescription,
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) -> None:
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"""Initialize."""
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super().__init__(coordinator)
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self._attr_extra_state_attributes = {}
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self.entity_description = description
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async def async_added_to_hass(self) -> None:
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"""Register callbacks."""
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await super().async_added_to_hass()
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@callback
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def update() -> None:
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"""Update the state."""
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self.update_from_latest_data()
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self.async_write_ha_state()
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self.async_on_remove(self.coordinator.async_add_listener(update))
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self.update_from_latest_data()
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@callback
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def update_from_latest_data(self) -> None:
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"""Update the entity from the latest data."""
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raise NotImplementedError
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