163 lines
6.0 KiB
Python
163 lines
6.0 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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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, name: str) -> 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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name=name,
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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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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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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(devices=device_data, templates=template_data)
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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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