sensor.py

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"""Support for Aurora Forecast sensor."""
 
from __future__ import annotations
 
from homeassistant.components.sensor import SensorEntity, SensorStateClass
from homeassistant.const import PERCENTAGE
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
from . import AuroraConfigEntry
from .entity import AuroraEntity
 
 
async def async_setup_entry(
    hass: HomeAssistant,
    entry: AuroraConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up the sensor platform."""
 
    async_add_entities(
        [
            AuroraSensor(
                coordinator=entry.runtime_data,
                translation_key="visibility",
            )
        ]
    )
 
 
class AuroraSensor(AuroraEntity, SensorEntity):
    """Implementation of an aurora sensor."""
 
    _attr_native_unit_of_measurement = PERCENTAGE
    _attr_state_class = SensorStateClass.MEASUREMENT
 
    @property
    def native_value(self) -> int:
        """Return % chance the aurora is visible."""
        return self.coordinator.data