251 lines
8.5 KiB
Python
251 lines
8.5 KiB
Python
"""Support for WeMo switches."""
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import asyncio
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from datetime import datetime, timedelta
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import logging
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import async_timeout
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from homeassistant.components.switch import SwitchDevice
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from homeassistant.const import STATE_OFF, STATE_ON, STATE_STANDBY, STATE_UNKNOWN
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from homeassistant.util import convert
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from .const import DOMAIN as WEMO_DOMAIN
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SCAN_INTERVAL = timedelta(seconds=10)
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PARALLEL_UPDATES = 0
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_LOGGER = logging.getLogger(__name__)
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ATTR_SENSOR_STATE = "sensor_state"
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ATTR_SWITCH_MODE = "switch_mode"
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ATTR_CURRENT_STATE_DETAIL = "state_detail"
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ATTR_COFFEMAKER_MODE = "coffeemaker_mode"
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MAKER_SWITCH_MOMENTARY = "momentary"
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MAKER_SWITCH_TOGGLE = "toggle"
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WEMO_ON = 1
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WEMO_OFF = 0
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WEMO_STANDBY = 8
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Set up WeMo switches."""
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async def _discovered_wemo(device):
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"""Handle a discovered Wemo device."""
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async_add_entities([WemoSwitch(device)])
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async_dispatcher_connect(hass, f"{WEMO_DOMAIN}.switch", _discovered_wemo)
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await asyncio.gather(
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*[
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_discovered_wemo(device)
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for device in hass.data[WEMO_DOMAIN]["pending"].pop("switch")
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]
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)
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class WemoSwitch(SwitchDevice):
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"""Representation of a WeMo switch."""
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def __init__(self, device):
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"""Initialize the WeMo switch."""
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self.wemo = device
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self.insight_params = None
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self.maker_params = None
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self.coffeemaker_mode = None
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self._state = None
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self._mode_string = None
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self._available = True
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self._update_lock = None
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self._model_name = self.wemo.model_name
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self._name = self.wemo.name
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self._serialnumber = self.wemo.serialnumber
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def _subscription_callback(self, _device, _type, _params):
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"""Update the state by the Wemo device."""
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_LOGGER.info("Subscription update for %s", self.name)
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updated = self.wemo.subscription_update(_type, _params)
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self.hass.add_job(self._async_locked_subscription_callback(not updated))
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async def _async_locked_subscription_callback(self, force_update):
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"""Handle an update from a subscription."""
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# If an update is in progress, we don't do anything
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if self._update_lock.locked():
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return
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await self._async_locked_update(force_update)
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self.async_schedule_update_ha_state()
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@property
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def unique_id(self):
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"""Return the ID of this WeMo switch."""
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return self._serialnumber
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@property
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def name(self):
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"""Return the name of the switch if any."""
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return self._name
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@property
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def device_info(self):
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"""Return the device info."""
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return {
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"name": self.wemo.name,
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"identifiers": {(WEMO_DOMAIN, self.wemo.serialnumber)},
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"model": self.wemo.model_name,
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"manufacturer": "Belkin",
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}
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@property
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def device_state_attributes(self):
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"""Return the state attributes of the device."""
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attr = {}
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if self.maker_params:
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# Is the maker sensor on or off.
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if self.maker_params["hassensor"]:
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# Note a state of 1 matches the WeMo app 'not triggered'!
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if self.maker_params["sensorstate"]:
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attr[ATTR_SENSOR_STATE] = STATE_OFF
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else:
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attr[ATTR_SENSOR_STATE] = STATE_ON
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# Is the maker switch configured as toggle(0) or momentary (1).
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if self.maker_params["switchmode"]:
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attr[ATTR_SWITCH_MODE] = MAKER_SWITCH_MOMENTARY
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else:
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attr[ATTR_SWITCH_MODE] = MAKER_SWITCH_TOGGLE
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if self.insight_params or (self.coffeemaker_mode is not None):
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attr[ATTR_CURRENT_STATE_DETAIL] = self.detail_state
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if self.insight_params:
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attr["on_latest_time"] = WemoSwitch.as_uptime(self.insight_params["onfor"])
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attr["on_today_time"] = WemoSwitch.as_uptime(self.insight_params["ontoday"])
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attr["on_total_time"] = WemoSwitch.as_uptime(self.insight_params["ontotal"])
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attr["power_threshold_w"] = (
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convert(self.insight_params["powerthreshold"], float, 0.0) / 1000.0
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)
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if self.coffeemaker_mode is not None:
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attr[ATTR_COFFEMAKER_MODE] = self.coffeemaker_mode
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return attr
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@staticmethod
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def as_uptime(_seconds):
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"""Format seconds into uptime string in the format: 00d 00h 00m 00s."""
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uptime = datetime(1, 1, 1) + timedelta(seconds=_seconds)
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return "{:0>2d}d {:0>2d}h {:0>2d}m {:0>2d}s".format(
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uptime.day - 1, uptime.hour, uptime.minute, uptime.second
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)
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@property
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def current_power_w(self):
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"""Return the current power usage in W."""
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if self.insight_params:
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return convert(self.insight_params["currentpower"], float, 0.0) / 1000.0
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@property
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def today_energy_kwh(self):
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"""Return the today total energy usage in kWh."""
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if self.insight_params:
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miliwatts = convert(self.insight_params["todaymw"], float, 0.0)
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return round(miliwatts / (1000.0 * 1000.0 * 60), 2)
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@property
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def detail_state(self):
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"""Return the state of the device."""
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if self.coffeemaker_mode is not None:
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return self._mode_string
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if self.insight_params:
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standby_state = int(self.insight_params["state"])
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if standby_state == WEMO_ON:
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return STATE_ON
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if standby_state == WEMO_OFF:
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return STATE_OFF
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if standby_state == WEMO_STANDBY:
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return STATE_STANDBY
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return STATE_UNKNOWN
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@property
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def is_on(self):
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"""Return true if switch is on. Standby is on."""
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return self._state
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@property
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def available(self):
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"""Return true if switch is available."""
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return self._available
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@property
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def icon(self):
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"""Return the icon of device based on its type."""
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if self._model_name == "CoffeeMaker":
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return "mdi:coffee"
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return None
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def turn_on(self, **kwargs):
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"""Turn the switch on."""
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self.wemo.on()
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def turn_off(self, **kwargs):
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"""Turn the switch off."""
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self.wemo.off()
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async def async_added_to_hass(self):
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"""Wemo switch added to Home Assistant."""
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# Define inside async context so we know our event loop
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self._update_lock = asyncio.Lock()
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registry = self.hass.data[WEMO_DOMAIN]["registry"]
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await self.hass.async_add_job(registry.register, self.wemo)
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registry.on(self.wemo, None, self._subscription_callback)
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async def async_update(self):
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"""Update WeMo state.
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Wemo has an aggressive retry logic that sometimes can take over a
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minute to return. If we don't get a state after 5 seconds, assume the
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Wemo switch is unreachable. If update goes through, it will be made
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available again.
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"""
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# If an update is in progress, we don't do anything
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if self._update_lock.locked():
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return
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try:
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with async_timeout.timeout(5):
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await asyncio.shield(self._async_locked_update(True))
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except asyncio.TimeoutError:
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_LOGGER.warning("Lost connection to %s", self.name)
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self._available = False
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async def _async_locked_update(self, force_update):
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"""Try updating within an async lock."""
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async with self._update_lock:
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await self.hass.async_add_job(self._update, force_update)
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def _update(self, force_update):
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"""Update the device state."""
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try:
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self._state = self.wemo.get_state(force_update)
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if self._model_name == "Insight":
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self.insight_params = self.wemo.insight_params
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self.insight_params["standby_state"] = self.wemo.get_standby_state
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elif self._model_name == "Maker":
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self.maker_params = self.wemo.maker_params
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elif self._model_name == "CoffeeMaker":
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self.coffeemaker_mode = self.wemo.mode
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self._mode_string = self.wemo.mode_string
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if not self._available:
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_LOGGER.info("Reconnected to %s", self.name)
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self._available = True
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except AttributeError as err:
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_LOGGER.warning("Could not update status for %s (%s)", self.name, err)
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self._available = False
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