42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
"""DataUpdateCoordinator for WLED."""
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from wled import WLED, Device as WLEDDevice, WLEDError
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
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from .const import DOMAIN, LOGGER, SCAN_INTERVAL
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class WLEDDataUpdateCoordinator(DataUpdateCoordinator[WLEDDevice]):
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"""Class to manage fetching WLED data from single endpoint."""
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def __init__(
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self,
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hass: HomeAssistant,
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*,
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host: str,
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) -> None:
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"""Initialize global WLED data updater."""
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self.wled = WLED(host, session=async_get_clientsession(hass))
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super().__init__(
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hass,
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LOGGER,
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name=DOMAIN,
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update_interval=SCAN_INTERVAL,
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)
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def update_listeners(self) -> None:
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"""Call update on all listeners."""
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for update_callback in self._listeners:
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update_callback()
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async def _async_update_data(self) -> WLEDDevice:
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"""Fetch data from WLED."""
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try:
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return await self.wled.update(full_update=not self.last_update_success)
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except WLEDError as error:
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raise UpdateFailed(f"Invalid response from API: {error}") from error
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