277 lines
8.5 KiB
Python
277 lines
8.5 KiB
Python
"""Support for Belkin WeMo lights."""
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import asyncio
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from datetime import timedelta
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import logging
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from pywemo.ouimeaux_device.api.service import ActionException
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from homeassistant import util
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from homeassistant.components.light import (
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ATTR_BRIGHTNESS,
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ATTR_COLOR_TEMP,
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ATTR_HS_COLOR,
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ATTR_TRANSITION,
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SUPPORT_BRIGHTNESS,
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SUPPORT_COLOR,
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SUPPORT_COLOR_TEMP,
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SUPPORT_TRANSITION,
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LightEntity,
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)
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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import homeassistant.util.color as color_util
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from .const import DOMAIN as WEMO_DOMAIN
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from .entity import WemoEntity, WemoSubscriptionEntity
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MIN_TIME_BETWEEN_SCANS = timedelta(seconds=10)
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MIN_TIME_BETWEEN_FORCED_SCANS = timedelta(milliseconds=100)
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_LOGGER = logging.getLogger(__name__)
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SUPPORT_WEMO = (
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SUPPORT_BRIGHTNESS | SUPPORT_COLOR_TEMP | SUPPORT_COLOR | SUPPORT_TRANSITION
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)
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# The WEMO_ constants below come from pywemo itself
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WEMO_ON = 1
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WEMO_OFF = 0
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Set up WeMo lights."""
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async def _discovered_wemo(device):
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"""Handle a discovered Wemo device."""
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if device.model_name == "Dimmer":
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async_add_entities([WemoDimmer(device)])
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else:
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await hass.async_add_executor_job(
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setup_bridge, hass, device, async_add_entities
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)
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async_dispatcher_connect(hass, f"{WEMO_DOMAIN}.light", _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("light")
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]
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)
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def setup_bridge(hass, bridge, async_add_entities):
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"""Set up a WeMo link."""
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lights = {}
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@util.Throttle(MIN_TIME_BETWEEN_SCANS, MIN_TIME_BETWEEN_FORCED_SCANS)
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def update_lights():
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"""Update the WeMo led objects with latest info from the bridge."""
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bridge.bridge_update()
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new_lights = []
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for light_id, device in bridge.Lights.items():
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if light_id not in lights:
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lights[light_id] = WemoLight(device, update_lights)
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new_lights.append(lights[light_id])
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if new_lights:
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hass.add_job(async_add_entities, new_lights)
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update_lights()
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class WemoLight(WemoEntity, LightEntity):
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"""Representation of a WeMo light."""
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def __init__(self, device, update_lights):
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"""Initialize the WeMo light."""
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super().__init__(device)
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self._update_lights = update_lights
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self._brightness = None
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self._hs_color = None
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self._color_temp = None
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self._is_on = None
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self._unique_id = self.wemo.uniqueID
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self._model_name = type(self.wemo).__name__
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async def async_added_to_hass(self):
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"""Wemo light 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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@property
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def unique_id(self):
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"""Return the ID of this light."""
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return self.wemo.uniqueID
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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.name,
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"identifiers": {(WEMO_DOMAIN, self._unique_id)},
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"model": self._model_name,
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"manufacturer": "Belkin",
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}
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@property
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def brightness(self):
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"""Return the brightness of this light between 0..255."""
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return self._brightness
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@property
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def hs_color(self):
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"""Return the hs color values of this light."""
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return self._hs_color
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@property
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def color_temp(self):
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"""Return the color temperature of this light in mireds."""
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return self._color_temp
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@property
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def is_on(self):
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"""Return true if device is on."""
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return self._is_on
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@property
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def supported_features(self):
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"""Flag supported features."""
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return SUPPORT_WEMO
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def turn_on(self, **kwargs):
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"""Turn the light on."""
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xy_color = None
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brightness = kwargs.get(ATTR_BRIGHTNESS, self.brightness or 255)
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color_temp = kwargs.get(ATTR_COLOR_TEMP)
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hs_color = kwargs.get(ATTR_HS_COLOR)
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transition_time = int(kwargs.get(ATTR_TRANSITION, 0))
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if hs_color is not None:
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xy_color = color_util.color_hs_to_xy(*hs_color)
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turn_on_kwargs = {
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"level": brightness,
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"transition": transition_time,
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"force_update": False,
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}
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try:
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if xy_color is not None:
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self.wemo.set_color(xy_color, transition=transition_time)
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if color_temp is not None:
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self.wemo.set_temperature(mireds=color_temp, transition=transition_time)
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if self.wemo.turn_on(**turn_on_kwargs):
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self._state["onoff"] = WEMO_ON
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except ActionException as err:
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_LOGGER.warning("Error while turning on device %s (%s)", self.name, err)
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self._available = False
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self.schedule_update_ha_state()
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def turn_off(self, **kwargs):
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"""Turn the light off."""
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transition_time = int(kwargs.get(ATTR_TRANSITION, 0))
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try:
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if self.wemo.turn_off(transition=transition_time):
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self._state["onoff"] = WEMO_OFF
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except ActionException as err:
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_LOGGER.warning("Error while turning off device %s (%s)", self.name, err)
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self._available = False
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self.schedule_update_ha_state()
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def _update(self, force_update=True):
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"""Synchronize state with bridge."""
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try:
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self._update_lights(no_throttle=force_update)
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self._state = self.wemo.state
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except (AttributeError, ActionException) 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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self.wemo.bridge.reconnect_with_device()
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else:
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self._is_on = self._state.get("onoff") != WEMO_OFF
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self._brightness = self._state.get("level", 255)
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self._color_temp = self._state.get("temperature_mireds")
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self._available = True
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xy_color = self._state.get("color_xy")
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if xy_color:
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self._hs_color = color_util.color_xy_to_hs(*xy_color)
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else:
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self._hs_color = None
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class WemoDimmer(WemoSubscriptionEntity, LightEntity):
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"""Representation of a WeMo dimmer."""
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def __init__(self, device):
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"""Initialize the WeMo dimmer."""
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super().__init__(device)
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self._brightness = None
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@property
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def supported_features(self):
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"""Flag supported features."""
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return SUPPORT_BRIGHTNESS
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@property
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def brightness(self):
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"""Return the brightness of this light between 1 and 100."""
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return self._brightness
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def _update(self, force_update=True):
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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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wemobrightness = int(self.wemo.get_brightness(force_update))
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self._brightness = int((wemobrightness * 255) / 100)
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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, ActionException) 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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self.wemo.reconnect_with_device()
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def turn_on(self, **kwargs):
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"""Turn the dimmer on."""
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# Wemo dimmer switches use a range of [0, 100] to control
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# brightness. Level 255 might mean to set it to previous value
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if ATTR_BRIGHTNESS in kwargs:
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brightness = kwargs[ATTR_BRIGHTNESS]
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brightness = int((brightness / 255) * 100)
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else:
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brightness = 255
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try:
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if self.wemo.on():
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self._state = WEMO_ON
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self.wemo.set_brightness(brightness)
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except ActionException as err:
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_LOGGER.warning("Error while turning on device %s (%s)", self.name, err)
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self._available = False
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self.schedule_update_ha_state()
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def turn_off(self, **kwargs):
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"""Turn the dimmer off."""
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try:
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if self.wemo.off():
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self._state = WEMO_OFF
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except ActionException as err:
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_LOGGER.warning("Error while turning on device %s (%s)", self.name, err)
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self._available = False
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self.schedule_update_ha_state()
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