core/homeassistant/components/watttime/sensor.py

114 lines
3.8 KiB
Python

"""Support for WattTime sensors."""
from __future__ import annotations
from collections.abc import Mapping
from typing import Any, cast
from homeassistant.components.sensor import (
SensorEntity,
SensorEntityDescription,
SensorStateClass,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
ATTR_LATITUDE,
ATTR_LONGITUDE,
CONF_SHOW_ON_MAP,
PERCENTAGE,
UnitOfMass,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers.device_registry import DeviceEntryType, DeviceInfo
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import StateType
from homeassistant.helpers.update_coordinator import (
CoordinatorEntity,
DataUpdateCoordinator,
)
from .const import CONF_BALANCING_AUTHORITY, CONF_BALANCING_AUTHORITY_ABBREV, DOMAIN
ATTR_BALANCING_AUTHORITY = "balancing_authority"
SENSOR_TYPE_REALTIME_EMISSIONS_MOER = "moer"
SENSOR_TYPE_REALTIME_EMISSIONS_PERCENT = "percent"
REALTIME_EMISSIONS_SENSOR_DESCRIPTIONS = (
SensorEntityDescription(
key=SENSOR_TYPE_REALTIME_EMISSIONS_MOER,
translation_key="marginal_operating_emissions_rate",
native_unit_of_measurement=f"{UnitOfMass.POUNDS} CO2/MWh",
state_class=SensorStateClass.MEASUREMENT,
),
SensorEntityDescription(
key=SENSOR_TYPE_REALTIME_EMISSIONS_PERCENT,
translation_key="relative_marginal_emissions_intensity",
native_unit_of_measurement=PERCENTAGE,
state_class=SensorStateClass.MEASUREMENT,
),
)
async def async_setup_entry(
hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
) -> None:
"""Set up WattTime sensors based on a config entry."""
coordinator = hass.data[DOMAIN][entry.entry_id]
async_add_entities(
[
RealtimeEmissionsSensor(coordinator, entry, description)
for description in REALTIME_EMISSIONS_SENSOR_DESCRIPTIONS
if description.key in coordinator.data
]
)
class RealtimeEmissionsSensor(CoordinatorEntity, SensorEntity):
"""Define a realtime emissions sensor."""
_attr_has_entity_name = True
def __init__(
self,
coordinator: DataUpdateCoordinator,
entry: ConfigEntry,
description: SensorEntityDescription,
) -> None:
"""Initialize the sensor."""
super().__init__(coordinator)
self._attr_unique_id = f"{entry.entry_id}_{description.key}"
self._entry = entry
self.entity_description = description
self._attr_device_info = DeviceInfo(
identifiers={(DOMAIN, entry.entry_id)},
name=entry.data[CONF_BALANCING_AUTHORITY_ABBREV],
entry_type=DeviceEntryType.SERVICE,
)
@property
def extra_state_attributes(self) -> Mapping[str, Any] | None:
"""Return entity specific state attributes."""
attrs = {
ATTR_BALANCING_AUTHORITY: self._entry.data[CONF_BALANCING_AUTHORITY],
}
# Displaying the geography on the map relies upon putting the latitude/longitude
# in the entity attributes with "latitude" and "longitude" as the keys.
# Conversely, we can hide the location on the map by using other keys, like
# "lati" and "long".
if self._entry.options.get(CONF_SHOW_ON_MAP) is not False:
attrs[ATTR_LATITUDE] = self._entry.data[ATTR_LATITUDE]
attrs[ATTR_LONGITUDE] = self._entry.data[ATTR_LONGITUDE]
else:
attrs["lati"] = self._entry.data[ATTR_LATITUDE]
attrs["long"] = self._entry.data[ATTR_LONGITUDE]
return attrs
@property
def native_value(self) -> StateType:
"""Return the value reported by the sensor."""
return cast(StateType, self.coordinator.data[self.entity_description.key])