core/homeassistant/components/co2signal/sensor.py

136 lines
4.2 KiB
Python

"""Support for the CO2signal platform."""
from __future__ import annotations
from dataclasses import dataclass
from datetime import timedelta
from typing import cast
import voluptuous as vol
from homeassistant import config_entries
from homeassistant.components.sensor import (
PLATFORM_SCHEMA,
SensorEntity,
SensorStateClass,
)
from homeassistant.const import (
ATTR_ATTRIBUTION,
CONF_LATITUDE,
CONF_LONGITUDE,
CONF_TOKEN,
PERCENTAGE,
)
from homeassistant.helpers import config_validation as cv, update_coordinator
from homeassistant.helpers.device_registry import DeviceEntryType
from homeassistant.helpers.entity import DeviceInfo
from homeassistant.helpers.typing import StateType
from . import CO2SignalCoordinator, CO2SignalResponse
from .const import ATTRIBUTION, CONF_COUNTRY_CODE, DOMAIN, MSG_LOCATION
SCAN_INTERVAL = timedelta(minutes=3)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_TOKEN): cv.string,
vol.Inclusive(CONF_LATITUDE, "coords", msg=MSG_LOCATION): cv.latitude,
vol.Inclusive(CONF_LONGITUDE, "coords", msg=MSG_LOCATION): cv.longitude,
vol.Optional(CONF_COUNTRY_CODE): cv.string,
}
)
@dataclass
class CO2SensorEntityDescription:
"""Provide a description of a CO2 sensor."""
key: str
name: str
unit_of_measurement: str | None = None
# For backwards compat, allow description to override unique ID key to use
unique_id: str | None = None
SENSORS = (
CO2SensorEntityDescription(
key="carbonIntensity",
name="CO2 intensity",
unique_id="co2intensity",
# No unit, it's extracted from response.
),
CO2SensorEntityDescription(
key="fossilFuelPercentage",
name="Grid fossil fuel percentage",
unit_of_measurement=PERCENTAGE,
),
)
async def async_setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the CO2signal sensor."""
await hass.config_entries.flow.async_init(
DOMAIN,
context={"source": config_entries.SOURCE_IMPORT},
data=config,
)
async def async_setup_entry(hass, entry, async_add_entities):
"""Set up the CO2signal sensor."""
coordinator: CO2SignalCoordinator = hass.data[DOMAIN][entry.entry_id]
async_add_entities(CO2Sensor(coordinator, description) for description in SENSORS)
class CO2Sensor(update_coordinator.CoordinatorEntity[CO2SignalResponse], SensorEntity):
"""Implementation of the CO2Signal sensor."""
_attr_state_class = SensorStateClass.MEASUREMENT
_attr_icon = "mdi:molecule-co2"
def __init__(
self, coordinator: CO2SignalCoordinator, description: CO2SensorEntityDescription
) -> None:
"""Initialize the sensor."""
super().__init__(coordinator)
self._description = description
name = description.name
if extra_name := coordinator.get_extra_name():
name = f"{extra_name} - {name}"
self._attr_name = name
self._attr_extra_state_attributes = {
"country_code": coordinator.data["countryCode"],
ATTR_ATTRIBUTION: ATTRIBUTION,
}
self._attr_device_info = DeviceInfo(
configuration_url="https://www.electricitymap.org/",
entry_type=DeviceEntryType.SERVICE,
identifiers={(DOMAIN, coordinator.entry_id)},
manufacturer="Tmrow.com",
name="CO2 signal",
)
self._attr_unique_id = (
f"{coordinator.entry_id}_{description.unique_id or description.key}"
)
@property
def available(self) -> bool:
"""Return True if entity is available."""
return (
super().available
and self.coordinator.data["data"].get(self._description.key) is not None
)
@property
def native_value(self) -> StateType:
"""Return sensor state."""
return round(self.coordinator.data["data"][self._description.key], 2) # type: ignore[misc]
@property
def native_unit_of_measurement(self) -> str | None:
"""Return the unit of measurement."""
if self._description.unit_of_measurement:
return self._description.unit_of_measurement
return cast(str, self.coordinator.data["units"].get(self._description.key))