core/homeassistant/components/ihc/sensor.py

54 lines
1.8 KiB
Python

"""Support for IHC sensors."""
from homeassistant.components.ihc import IHC_CONTROLLER, IHC_DATA, IHC_INFO
from homeassistant.components.ihc.ihcdevice import IHCDevice
from homeassistant.const import CONF_UNIT_OF_MEASUREMENT
from homeassistant.helpers.entity import Entity
DEPENDENCIES = ['ihc']
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the IHC sensor platform."""
if discovery_info is None:
return
devices = []
for name, device in discovery_info.items():
ihc_id = device['ihc_id']
product_cfg = device['product_cfg']
product = device['product']
# Find controller that corresponds with device id
ctrl_id = device['ctrl_id']
ihc_key = IHC_DATA.format(ctrl_id)
info = hass.data[ihc_key][IHC_INFO]
ihc_controller = hass.data[ihc_key][IHC_CONTROLLER]
unit = product_cfg[CONF_UNIT_OF_MEASUREMENT]
sensor = IHCSensor(ihc_controller, name, ihc_id, info, unit, product)
devices.append(sensor)
add_entities(devices)
class IHCSensor(IHCDevice, Entity):
"""Implementation of the IHC sensor."""
def __init__(self, ihc_controller, name, ihc_id: int, info: bool,
unit, product=None) -> None:
"""Initialize the IHC sensor."""
super().__init__(ihc_controller, name, ihc_id, info, product)
self._state = None
self._unit_of_measurement = unit
@property
def state(self):
"""Return the state of the sensor."""
return self._state
@property
def unit_of_measurement(self):
"""Return the unit of measurement of this entity, if any."""
return self._unit_of_measurement
def on_ihc_change(self, ihc_id, value):
"""Handle IHC resource change."""
self._state = value
self.schedule_update_ha_state()