core/homeassistant/components/watttime/sensor.py

104 lines
3.2 KiB
Python

"""Support for WattTime sensors."""
from __future__ import annotations
from typing import TYPE_CHECKING, cast
from homeassistant.components.sensor import (
STATE_CLASS_MEASUREMENT,
SensorEntity,
SensorEntityDescription,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
ATTR_ATTRIBUTION,
ATTR_LATITUDE,
ATTR_LONGITUDE,
MASS_POUNDS,
PERCENTAGE,
)
from homeassistant.core import HomeAssistant
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,
DATA_COORDINATOR,
DOMAIN,
)
ATTR_BALANCING_AUTHORITY = "balancing_authority"
DEFAULT_ATTRIBUTION = "Pickup data provided by WattTime"
SENSOR_TYPE_REALTIME_EMISSIONS_MOER = "moer"
SENSOR_TYPE_REALTIME_EMISSIONS_PERCENT = "percent"
REALTIME_EMISSIONS_SENSOR_DESCRIPTIONS = (
SensorEntityDescription(
key=SENSOR_TYPE_REALTIME_EMISSIONS_MOER,
name="Marginal Operating Emissions Rate",
icon="mdi:blur",
native_unit_of_measurement=f"{MASS_POUNDS} CO2/MWh",
state_class=STATE_CLASS_MEASUREMENT,
),
SensorEntityDescription(
key=SENSOR_TYPE_REALTIME_EMISSIONS_PERCENT,
name="Relative Marginal Emissions Intensity",
icon="mdi:blur",
native_unit_of_measurement=PERCENTAGE,
state_class=STATE_CLASS_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][DATA_COORDINATOR]
async_add_entities(
[
RealtimeEmissionsSensor(coordinator, description)
for description in REALTIME_EMISSIONS_SENSOR_DESCRIPTIONS
if description.key in coordinator.data
]
)
class RealtimeEmissionsSensor(CoordinatorEntity, SensorEntity):
"""Define a realtime emissions sensor."""
def __init__(
self,
coordinator: DataUpdateCoordinator,
description: SensorEntityDescription,
) -> None:
"""Initialize the sensor."""
super().__init__(coordinator)
if TYPE_CHECKING:
assert coordinator.config_entry
self._attr_extra_state_attributes = {
ATTR_ATTRIBUTION: DEFAULT_ATTRIBUTION,
ATTR_BALANCING_AUTHORITY: coordinator.config_entry.data[
CONF_BALANCING_AUTHORITY
],
ATTR_LATITUDE: coordinator.config_entry.data[ATTR_LATITUDE],
ATTR_LONGITUDE: coordinator.config_entry.data[ATTR_LONGITUDE],
}
self._attr_name = f"{description.name} ({coordinator.config_entry.data[CONF_BALANCING_AUTHORITY_ABBREV]})"
self._attr_unique_id = f"{coordinator.config_entry.entry_id}_{description.key}"
self.entity_description = description
@property
def native_value(self) -> StateType:
"""Return the value reported by the sensor."""
return cast(StateType, self.coordinator.data[self.entity_description.key])