282 lines
10 KiB
Python
282 lines
10 KiB
Python
"""The Synology DSM component."""
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from __future__ import annotations
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from collections.abc import Callable
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import logging
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from synology_dsm import SynologyDSM
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from synology_dsm.api.core.security import SynoCoreSecurity
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from synology_dsm.api.core.system import SynoCoreSystem
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from synology_dsm.api.core.upgrade import SynoCoreUpgrade
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from synology_dsm.api.core.utilization import SynoCoreUtilization
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from synology_dsm.api.dsm.information import SynoDSMInformation
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from synology_dsm.api.dsm.network import SynoDSMNetwork
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from synology_dsm.api.storage.storage import SynoStorage
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from synology_dsm.api.surveillance_station import SynoSurveillanceStation
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from synology_dsm.exceptions import (
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SynologyDSMAPIErrorException,
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SynologyDSMException,
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SynologyDSMRequestException,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import (
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CONF_HOST,
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CONF_PASSWORD,
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CONF_PORT,
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CONF_SSL,
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CONF_TIMEOUT,
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CONF_USERNAME,
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CONF_VERIFY_SSL,
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)
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from homeassistant.core import HomeAssistant, callback
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from .const import CONF_DEVICE_TOKEN, SYNOLOGY_CONNECTION_EXCEPTIONS
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LOGGER = logging.getLogger(__name__)
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class SynoApi:
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"""Class to interface with Synology DSM API."""
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def __init__(self, hass: HomeAssistant, entry: ConfigEntry) -> None:
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"""Initialize the API wrapper class."""
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self._hass = hass
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self._entry = entry
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if entry.data.get(CONF_SSL):
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self.config_url = f"https://{entry.data[CONF_HOST]}:{entry.data[CONF_PORT]}"
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else:
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self.config_url = f"http://{entry.data[CONF_HOST]}:{entry.data[CONF_PORT]}"
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# DSM APIs
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self.dsm: SynologyDSM = None
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self.information: SynoDSMInformation = None
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self.network: SynoDSMNetwork = None
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self.security: SynoCoreSecurity = None
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self.storage: SynoStorage = None
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self.surveillance_station: SynoSurveillanceStation = None
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self.system: SynoCoreSystem = None
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self.upgrade: SynoCoreUpgrade = None
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self.utilisation: SynoCoreUtilization = None
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# Should we fetch them
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self._fetching_entities: dict[str, set[str]] = {}
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self._with_information = True
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self._with_security = True
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self._with_storage = True
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self._with_surveillance_station = True
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self._with_system = True
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self._with_upgrade = True
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self._with_utilisation = True
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async def async_setup(self) -> None:
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"""Start interacting with the NAS."""
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await self._hass.async_add_executor_job(self._setup)
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def _setup(self) -> None:
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"""Start interacting with the NAS in the executor."""
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self.dsm = SynologyDSM(
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self._entry.data[CONF_HOST],
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self._entry.data[CONF_PORT],
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self._entry.data[CONF_USERNAME],
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self._entry.data[CONF_PASSWORD],
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self._entry.data[CONF_SSL],
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self._entry.data[CONF_VERIFY_SSL],
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timeout=self._entry.options.get(CONF_TIMEOUT),
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device_token=self._entry.data.get(CONF_DEVICE_TOKEN),
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)
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self.dsm.login()
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# check if surveillance station is used
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self._with_surveillance_station = bool(
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self.dsm.apis.get(SynoSurveillanceStation.CAMERA_API_KEY)
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)
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LOGGER.debug(
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"State of Surveillance_station during setup of '%s': %s",
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self._entry.unique_id,
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self._with_surveillance_station,
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)
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# check if upgrade is available
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try:
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self.dsm.upgrade.update()
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except SynologyDSMAPIErrorException as ex:
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self._with_upgrade = False
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LOGGER.debug("Disabled fetching upgrade data during setup: %s", ex)
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self._fetch_device_configuration()
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try:
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self._update()
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except SYNOLOGY_CONNECTION_EXCEPTIONS as err:
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LOGGER.debug(
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"Connection error during setup of '%s' with exception: %s",
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self._entry.unique_id,
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err,
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)
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raise err
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@callback
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def subscribe(self, api_key: str, unique_id: str) -> Callable[[], None]:
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"""Subscribe an entity to API fetches."""
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LOGGER.debug("Subscribe new entity: %s", unique_id)
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if api_key not in self._fetching_entities:
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self._fetching_entities[api_key] = set()
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self._fetching_entities[api_key].add(unique_id)
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@callback
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def unsubscribe() -> None:
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"""Unsubscribe an entity from API fetches (when disable)."""
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LOGGER.debug("Unsubscribe entity: %s", unique_id)
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self._fetching_entities[api_key].remove(unique_id)
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if len(self._fetching_entities[api_key]) == 0:
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self._fetching_entities.pop(api_key)
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return unsubscribe
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def _setup_api_requests(self) -> None:
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"""Determine if we should fetch each API, if one entity needs it."""
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# Entities not added yet, fetch all
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if not self._fetching_entities:
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LOGGER.debug(
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"Entities not added yet, fetch all for '%s'", self._entry.unique_id
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)
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return
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# surveillance_station is updated by own coordinator
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self.dsm.reset(self.surveillance_station)
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# Determine if we should fetch an API
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self._with_system = bool(self.dsm.apis.get(SynoCoreSystem.API_KEY))
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self._with_security = bool(
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self._fetching_entities.get(SynoCoreSecurity.API_KEY)
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)
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self._with_storage = bool(self._fetching_entities.get(SynoStorage.API_KEY))
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self._with_upgrade = bool(self._fetching_entities.get(SynoCoreUpgrade.API_KEY))
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self._with_utilisation = bool(
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self._fetching_entities.get(SynoCoreUtilization.API_KEY)
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)
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self._with_information = bool(
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self._fetching_entities.get(SynoDSMInformation.API_KEY)
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)
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# Reset not used API, information is not reset since it's used in device_info
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if not self._with_security:
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LOGGER.debug(
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"Disable security api from being updated for '%s'",
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self._entry.unique_id,
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)
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self.dsm.reset(self.security)
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self.security = None
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if not self._with_storage:
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LOGGER.debug(
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"Disable storage api from being updatedf or '%s'", self._entry.unique_id
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)
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self.dsm.reset(self.storage)
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self.storage = None
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if not self._with_system:
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LOGGER.debug(
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"Disable system api from being updated for '%s'", self._entry.unique_id
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)
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self.dsm.reset(self.system)
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self.system = None
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if not self._with_upgrade:
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LOGGER.debug(
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"Disable upgrade api from being updated for '%s'", self._entry.unique_id
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)
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self.dsm.reset(self.upgrade)
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self.upgrade = None
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if not self._with_utilisation:
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LOGGER.debug(
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"Disable utilisation api from being updated for '%s'",
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self._entry.unique_id,
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)
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self.dsm.reset(self.utilisation)
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self.utilisation = None
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def _fetch_device_configuration(self) -> None:
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"""Fetch initial device config."""
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self.information = self.dsm.information
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self.network = self.dsm.network
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self.network.update()
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if self._with_security:
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LOGGER.debug("Enable security api updates for '%s'", self._entry.unique_id)
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self.security = self.dsm.security
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if self._with_storage:
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LOGGER.debug("Enable storage api updates for '%s'", self._entry.unique_id)
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self.storage = self.dsm.storage
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if self._with_upgrade:
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LOGGER.debug("Enable upgrade api updates for '%s'", self._entry.unique_id)
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self.upgrade = self.dsm.upgrade
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if self._with_system:
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LOGGER.debug("Enable system api updates for '%s'", self._entry.unique_id)
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self.system = self.dsm.system
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if self._with_utilisation:
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LOGGER.debug(
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"Enable utilisation api updates for '%s'", self._entry.unique_id
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)
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self.utilisation = self.dsm.utilisation
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if self._with_surveillance_station:
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LOGGER.debug(
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"Enable surveillance_station api updates for '%s'",
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self._entry.unique_id,
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)
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self.surveillance_station = self.dsm.surveillance_station
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async def _syno_api_executer(self, api_call: Callable) -> None:
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"""Synology api call wrapper."""
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try:
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await self._hass.async_add_executor_job(api_call)
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except (SynologyDSMAPIErrorException, SynologyDSMRequestException) as err:
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LOGGER.debug(
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"Error from '%s': %s", self._entry.unique_id, err, exc_info=True
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)
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raise err
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async def async_reboot(self) -> None:
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"""Reboot NAS."""
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await self._syno_api_executer(self.system.reboot)
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async def async_shutdown(self) -> None:
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"""Shutdown NAS."""
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await self._syno_api_executer(self.system.shutdown)
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async def async_unload(self) -> None:
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"""Stop interacting with the NAS and prepare for removal from hass."""
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try:
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await self._syno_api_executer(self.dsm.logout)
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except SynologyDSMException:
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# ignore API errors during logout
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pass
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async def async_update(self) -> None:
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"""Update function for updating API information."""
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try:
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await self._hass.async_add_executor_job(self._update)
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except SYNOLOGY_CONNECTION_EXCEPTIONS as err:
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LOGGER.debug(
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"Connection error during update of '%s' with exception: %s",
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self._entry.unique_id,
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err,
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)
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LOGGER.warning(
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"Connection error during update, fallback by reloading the entry"
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)
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await self._hass.config_entries.async_reload(self._entry.entry_id)
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def _update(self) -> None:
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"""Update function for updating API information."""
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LOGGER.debug("Start data update for '%s'", self._entry.unique_id)
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self._setup_api_requests()
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self.dsm.update(self._with_information)
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