core/homeassistant/components/wemo/sensor.py

106 lines
3.0 KiB
Python

"""Support for power sensors in WeMo Insight devices."""
import asyncio
from homeassistant.components.sensor import (
STATE_CLASS_MEASUREMENT,
STATE_CLASS_TOTAL_INCREASING,
SensorEntity,
SensorEntityDescription,
)
from homeassistant.const import (
DEVICE_CLASS_ENERGY,
DEVICE_CLASS_POWER,
ENERGY_KILO_WATT_HOUR,
POWER_WATT,
)
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.typing import StateType
from homeassistant.util import convert
from .const import DOMAIN as WEMO_DOMAIN
from .entity import WemoEntity
from .wemo_device import DeviceCoordinator
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up WeMo sensors."""
async def _discovered_wemo(coordinator: DeviceCoordinator):
"""Handle a discovered Wemo device."""
async_add_entities(
[InsightCurrentPower(coordinator), InsightTodayEnergy(coordinator)]
)
async_dispatcher_connect(hass, f"{WEMO_DOMAIN}.sensor", _discovered_wemo)
await asyncio.gather(
*(
_discovered_wemo(coordinator)
for coordinator in hass.data[WEMO_DOMAIN]["pending"].pop("sensor")
)
)
class InsightSensor(WemoEntity, SensorEntity):
"""Common base for WeMo Insight power sensors."""
@property
def name_suffix(self) -> str:
"""Return the name of the entity if any."""
return self.entity_description.name
@property
def unique_id_suffix(self) -> str:
"""Return the id of this entity."""
return self.entity_description.key
@property
def available(self) -> str:
"""Return true if sensor is available."""
return (
self.entity_description.key in self.wemo.insight_params
and super().available
)
class InsightCurrentPower(InsightSensor):
"""Current instantaineous power consumption."""
entity_description = SensorEntityDescription(
key="currentpower",
name="Current Power",
device_class=DEVICE_CLASS_POWER,
state_class=STATE_CLASS_MEASUREMENT,
native_unit_of_measurement=POWER_WATT,
)
@property
def native_value(self) -> StateType:
"""Return the current power consumption."""
return (
convert(
self.wemo.insight_params.get(self.entity_description.key), float, 0.0
)
/ 1000.0
)
class InsightTodayEnergy(InsightSensor):
"""Energy used today."""
entity_description = SensorEntityDescription(
key="todaymw",
name="Today Energy",
device_class=DEVICE_CLASS_ENERGY,
state_class=STATE_CLASS_TOTAL_INCREASING,
native_unit_of_measurement=ENERGY_KILO_WATT_HOUR,
)
@property
def native_value(self) -> StateType:
"""Return the current energy use today."""
miliwatts = convert(
self.wemo.insight_params.get(self.entity_description.key), float, 0.0
)
return round(miliwatts / (1000.0 * 1000.0 * 60), 2)