132 lines
3.9 KiB
Python
132 lines
3.9 KiB
Python
"""Support for power sensors in WeMo Insight devices."""
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import asyncio
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from datetime import datetime, timedelta
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from typing import Callable
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from homeassistant.components.sensor import (
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STATE_CLASS_MEASUREMENT,
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SensorEntity,
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SensorEntityDescription,
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)
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from homeassistant.const import (
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DEVICE_CLASS_ENERGY,
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DEVICE_CLASS_POWER,
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ENERGY_KILO_WATT_HOUR,
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POWER_WATT,
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)
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from homeassistant.helpers.typing import StateType
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from homeassistant.util import Throttle, convert, dt
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from .const import DOMAIN as WEMO_DOMAIN
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from .entity import WemoSubscriptionEntity
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from .wemo_device import DeviceWrapper
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SCAN_INTERVAL = timedelta(seconds=10)
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Set up WeMo sensors."""
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async def _discovered_wemo(device: DeviceWrapper):
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"""Handle a discovered Wemo device."""
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@Throttle(SCAN_INTERVAL)
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def update_insight_params():
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device.wemo.update_insight_params()
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async_add_entities(
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[
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InsightCurrentPower(device, update_insight_params),
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InsightTodayEnergy(device, update_insight_params),
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]
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)
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async_dispatcher_connect(hass, f"{WEMO_DOMAIN}.sensor", _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("sensor")
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)
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)
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class InsightSensor(WemoSubscriptionEntity, SensorEntity):
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"""Common base for WeMo Insight power sensors."""
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_name_suffix: str
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def __init__(self, device: DeviceWrapper, update_insight_params: Callable) -> None:
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"""Initialize the WeMo Insight power sensor."""
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super().__init__(device)
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self._update_insight_params = update_insight_params
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@property
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def name(self) -> str:
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"""Return the name of the entity if any."""
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return f"{super().name} {self.entity_description.name}"
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@property
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def unique_id(self) -> str:
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"""Return the id of this entity."""
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return f"{super().unique_id}_{self.entity_description.key}"
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@property
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def available(self) -> str:
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"""Return true if sensor is available."""
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return (
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self.entity_description.key in self.wemo.insight_params
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and super().available
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)
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def _update(self, force_update=True) -> None:
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with self._wemo_exception_handler("update status"):
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if force_update or not self.wemo.insight_params:
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self._update_insight_params()
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class InsightCurrentPower(InsightSensor):
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"""Current instantaineous power consumption."""
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entity_description = SensorEntityDescription(
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key="currentpower",
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name="Current Power",
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device_class=DEVICE_CLASS_POWER,
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state_class=STATE_CLASS_MEASUREMENT,
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unit_of_measurement=POWER_WATT,
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)
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@property
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def native_value(self) -> StateType:
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"""Return the current power consumption."""
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return (
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convert(self.wemo.insight_params[self.entity_description.key], float, 0.0)
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/ 1000.0
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)
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class InsightTodayEnergy(InsightSensor):
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"""Energy used today."""
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entity_description = SensorEntityDescription(
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key="todaymw",
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name="Today Energy",
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device_class=DEVICE_CLASS_ENERGY,
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state_class=STATE_CLASS_MEASUREMENT,
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unit_of_measurement=ENERGY_KILO_WATT_HOUR,
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)
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@property
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def last_reset(self) -> datetime:
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"""Return the time when the sensor was initialized."""
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return dt.start_of_local_day()
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@property
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def native_value(self) -> StateType:
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"""Return the current energy use today."""
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miliwatts = convert(
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self.wemo.insight_params[self.entity_description.key], float, 0.0
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)
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return round(miliwatts / (1000.0 * 1000.0 * 60), 2)
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