binary_sensor.py

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"""Support for binary sensors using Tellstick Net."""
 
from homeassistant.components import binary_sensor
from homeassistant.components.binary_sensor import BinarySensorEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
from .const import DOMAIN, TELLDUS_DISCOVERY_NEW
from .entity import TelldusLiveEntity
 
 
async def async_setup_entry(
    hass: HomeAssistant,
    config_entry: ConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up tellduslive sensors dynamically."""
 
    async def async_discover_binary_sensor(device_id):
        """Discover and add a discovered sensor."""
        client = hass.data[DOMAIN]
        async_add_entities([TelldusLiveSensor(client, device_id)])
 
    async_dispatcher_connect(
        hass,
        TELLDUS_DISCOVERY_NEW.format(binary_sensor.DOMAIN, DOMAIN),
        async_discover_binary_sensor,
    )
 
 
class TelldusLiveSensor(TelldusLiveEntity, BinarySensorEntity):
    """Representation of a Tellstick sensor."""
 
    _attr_name = None
 
    @property
    def is_on(self):
        """Return true if switch is on."""
        return self.devicedevice.is_on