core/homeassistant/components/fritzbox/coordinator.py

163 lines
6.0 KiB
Python

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