54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
"""Coordinator for Brother integration."""
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from asyncio import timeout
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import logging
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from brother import Brother, BrotherSensors, SnmpError, UnsupportedModelError
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
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from .const import DOMAIN, UPDATE_INTERVAL
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_LOGGER = logging.getLogger(__name__)
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type BrotherConfigEntry = ConfigEntry[BrotherDataUpdateCoordinator]
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class BrotherDataUpdateCoordinator(DataUpdateCoordinator[BrotherSensors]):
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"""Class to manage fetching Brother data from the printer."""
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config_entry: BrotherConfigEntry
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def __init__(
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self, hass: HomeAssistant, config_entry: BrotherConfigEntry, brother: Brother
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) -> None:
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"""Initialize."""
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self.brother = brother
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self.device_name = config_entry.title
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super().__init__(
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hass,
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_LOGGER,
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config_entry=config_entry,
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name=DOMAIN,
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update_interval=UPDATE_INTERVAL,
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)
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async def _async_update_data(self) -> BrotherSensors:
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"""Update data via library."""
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try:
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async with timeout(20):
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data = await self.brother.async_update()
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except (ConnectionError, SnmpError, UnsupportedModelError) as error:
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raise UpdateFailed(
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translation_domain=DOMAIN,
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translation_key="update_error",
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translation_placeholders={
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"device": self.device_name,
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"error": repr(error),
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},
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) from error
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return data
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