177 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			177 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			Python
		
	
	
"""Data update coordinator for AVM FRITZ!SmartHome devices."""
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from __future__ import annotations
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from dataclasses import dataclass
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from datetime import timedelta
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from pyfritzhome import Fritzhome, FritzhomeDevice, LoginError
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from pyfritzhome.devicetypes import FritzhomeTemplate
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from requests.exceptions import ConnectionError as RequestConnectionError, HTTPError
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_HOST, CONF_PASSWORD, CONF_USERNAME
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from homeassistant.core import HomeAssistant
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from homeassistant.exceptions import ConfigEntryAuthFailed, ConfigEntryNotReady
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from homeassistant.helpers import device_registry as dr, entity_registry as er
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from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
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from .const import DOMAIN, LOGGER
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type FritzboxConfigEntry = ConfigEntry[FritzboxDataUpdateCoordinator]
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@dataclass
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class FritzboxCoordinatorData:
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    """Data Type of FritzboxDataUpdateCoordinator's data."""
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    devices: dict[str, FritzhomeDevice]
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    templates: dict[str, FritzhomeTemplate]
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    supported_color_properties: dict[str, tuple[dict, list]]
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class FritzboxDataUpdateCoordinator(DataUpdateCoordinator[FritzboxCoordinatorData]):
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    """Fritzbox Smarthome device data update coordinator."""
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    config_entry: FritzboxConfigEntry
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    configuration_url: str
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    fritz: Fritzhome
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    has_templates: bool
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    def __init__(self, hass: HomeAssistant, config_entry: FritzboxConfigEntry) -> None:
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        """Initialize the Fritzbox Smarthome device coordinator."""
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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=config_entry.entry_id,
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            update_interval=timedelta(seconds=30),
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        )
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        self.new_devices: set[str] = set()
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        self.new_templates: set[str] = set()
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        self.data = FritzboxCoordinatorData({}, {}, {})
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    async def async_setup(self) -> None:
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        """Set up the coordinator."""
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        self.fritz = Fritzhome(
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            host=self.config_entry.data[CONF_HOST],
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            user=self.config_entry.data[CONF_USERNAME],
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            password=self.config_entry.data[CONF_PASSWORD],
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        )
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        try:
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            await self.hass.async_add_executor_job(self.fritz.login)
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        except RequestConnectionError as err:
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            raise ConfigEntryNotReady from err
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        except LoginError as err:
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            raise ConfigEntryAuthFailed from err
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        self.has_templates = await self.hass.async_add_executor_job(
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            self.fritz.has_templates
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        )
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        LOGGER.debug("enable smarthome templates: %s", self.has_templates)
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        self.configuration_url = self.fritz.get_prefixed_host()
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        await self.async_config_entry_first_refresh()
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        self.cleanup_removed_devices(
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            list(self.data.devices) + list(self.data.templates)
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        )
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    def cleanup_removed_devices(self, available_ains: list[str]) -> None:
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        """Cleanup entity and device registry from removed devices."""
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        entity_reg = er.async_get(self.hass)
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        for entity in er.async_entries_for_config_entry(
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            entity_reg, self.config_entry.entry_id
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        ):
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            if entity.unique_id.split("_")[0] not in available_ains:
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                LOGGER.debug("Removing obsolete entity entry %s", entity.entity_id)
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                entity_reg.async_remove(entity.entity_id)
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        device_reg = dr.async_get(self.hass)
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        identifiers = {(DOMAIN, ain) for ain in available_ains}
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        for device in dr.async_entries_for_config_entry(
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            device_reg, self.config_entry.entry_id
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        ):
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            if not set(device.identifiers) & identifiers:
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                LOGGER.debug("Removing obsolete device entry %s", device.name)
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                device_reg.async_update_device(
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                    device.id, remove_config_entry_id=self.config_entry.entry_id
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                )
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    def _update_fritz_devices(self) -> FritzboxCoordinatorData:
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        """Update all fritzbox device data."""
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        try:
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            self.fritz.update_devices(ignore_removed=False)
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            if self.has_templates:
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                self.fritz.update_templates(ignore_removed=False)
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        except RequestConnectionError as ex:
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            raise UpdateFailed from ex
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        except HTTPError:
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            # If the device rebooted, login again
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            try:
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                self.fritz.login()
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            except LoginError as ex:
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                raise ConfigEntryAuthFailed from ex
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            self.fritz.update_devices(ignore_removed=False)
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            if self.has_templates:
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                self.fritz.update_templates(ignore_removed=False)
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        devices = self.fritz.get_devices()
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        device_data = {}
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        supported_color_properties = self.data.supported_color_properties
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        for device in devices:
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            # assume device as unavailable, see #55799
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            if (
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                device.has_powermeter
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                and device.present
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                and isinstance(device.voltage, int)
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                and device.voltage <= 0
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                and isinstance(device.power, int)
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                and device.power <= 0
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                and device.energy <= 0
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            ):
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                LOGGER.debug("Assume device %s as unavailable", device.name)
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                device.present = False
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            device_data[device.ain] = device
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            # pre-load supported colors and color temps for new devices
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            if device.has_color and device.ain not in supported_color_properties:
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                supported_color_properties[device.ain] = (
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                    device.get_colors(),
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                    device.get_color_temps(),
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                )
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        template_data = {}
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        if self.has_templates:
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            templates = self.fritz.get_templates()
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            for template in templates:
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                template_data[template.ain] = template
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        self.new_devices = device_data.keys() - self.data.devices.keys()
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        self.new_templates = template_data.keys() - self.data.templates.keys()
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        return FritzboxCoordinatorData(
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            devices=device_data,
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            templates=template_data,
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            supported_color_properties=supported_color_properties,
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        )
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    async def _async_update_data(self) -> FritzboxCoordinatorData:
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        """Fetch all device data."""
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        new_data = await self.hass.async_add_executor_job(self._update_fritz_devices)
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        if (
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            self.data.devices.keys() - new_data.devices.keys()
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            or self.data.templates.keys() - new_data.templates.keys()
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        ):
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            self.cleanup_removed_devices(
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                list(new_data.devices) + list(new_data.templates)
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            )
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        return new_data
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