core/homeassistant/components/tradfri/sensor.py

50 lines
1.5 KiB
Python

"""Support for IKEA Tradfri sensors."""
from homeassistant.const import DEVICE_CLASS_BATTERY, PERCENTAGE
from .base_class import TradfriBaseDevice
from .const import CONF_GATEWAY_ID, DEVICES, DOMAIN, KEY_API
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up a Tradfri config entry."""
gateway_id = config_entry.data[CONF_GATEWAY_ID]
tradfri_data = hass.data[DOMAIN][config_entry.entry_id]
api = tradfri_data[KEY_API]
devices = tradfri_data[DEVICES]
sensors = (
dev
for dev in devices
if not dev.has_light_control
and not dev.has_socket_control
and not dev.has_blind_control
and not dev.has_signal_repeater_control
)
if sensors:
async_add_entities(TradfriSensor(sensor, api, gateway_id) for sensor in sensors)
class TradfriSensor(TradfriBaseDevice):
"""The platform class required by Home Assistant."""
def __init__(self, device, api, gateway_id):
"""Initialize the device."""
super().__init__(device, api, gateway_id)
self._unique_id = f"{gateway_id}-{device.id}"
@property
def device_class(self):
"""Return the devices' state attributes."""
return DEVICE_CLASS_BATTERY
@property
def state(self):
"""Return the current state of the device."""
return self._device.device_info.battery_level
@property
def unit_of_measurement(self):
"""Return the unit_of_measurement of the device."""
return PERCENTAGE