core/homeassistant/components/velbus/sensor.py

43 lines
1.2 KiB
Python

"""Support for Velbus sensors."""
import logging
from .const import DOMAIN
from . import VelbusEntity
_LOGGER = logging.getLogger(__name__)
async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
"""Old way."""
pass
async def async_setup_entry(hass, entry, async_add_entities):
"""Set up Velbus sensor based on config_entry."""
cntrl = hass.data[DOMAIN][entry.entry_id]["cntrl"]
modules_data = hass.data[DOMAIN][entry.entry_id]["sensor"]
entities = []
for address, channel in modules_data:
module = cntrl.get_module(address)
entities.append(VelbusSensor(module, channel))
async_add_entities(entities)
class VelbusSensor(VelbusEntity):
"""Representation of a sensor."""
@property
def device_class(self):
"""Return the device class of the sensor."""
return self._module.get_class(self._channel)
@property
def state(self):
"""Return the state of the sensor."""
return self._module.get_state(self._channel)
@property
def unit_of_measurement(self):
"""Return the unit this state is expressed in."""
return self._module.get_unit(self._channel)