68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
"""The 1-Wire component."""
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import asyncio
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import logging
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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.exceptions import ConfigEntryNotReady
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from homeassistant.helpers import device_registry as dr
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from .const import DOMAIN, PLATFORMS
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from .onewirehub import CannotConnect, OneWireHub
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
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"""Set up a 1-Wire proxy for a config entry."""
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hass.data.setdefault(DOMAIN, {})
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onewirehub = OneWireHub(hass)
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try:
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await onewirehub.initialize(entry)
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except CannotConnect as exc:
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raise ConfigEntryNotReady() from exc
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hass.data[DOMAIN][entry.entry_id] = onewirehub
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async def cleanup_registry(onewirehub: OneWireHub) -> None:
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# Get registries
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device_registry = dr.async_get(hass)
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# Generate list of all device entries
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registry_devices = list(
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dr.async_entries_for_config_entry(device_registry, entry.entry_id)
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)
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# Remove devices that don't belong to any entity
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for device in registry_devices:
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if not onewirehub.has_device_in_cache(device):
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_LOGGER.debug(
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"Removing device `%s` because it is no longer available",
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device.id,
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)
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device_registry.async_remove_device(device.id)
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async def start_platforms(onewirehub: OneWireHub) -> None:
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"""Start platforms and cleanup devices."""
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# wait until all required platforms are ready
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await asyncio.gather(
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*(
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hass.config_entries.async_forward_entry_setup(entry, platform)
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for platform in PLATFORMS
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)
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)
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await cleanup_registry(onewirehub)
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hass.async_create_task(start_platforms(onewirehub))
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return True
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async def async_unload_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
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"""Unload a config entry."""
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unload_ok = await hass.config_entries.async_unload_platforms(
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config_entry, PLATFORMS
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)
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if unload_ok:
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hass.data[DOMAIN].pop(config_entry.entry_id)
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return unload_ok
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