core/homeassistant/components/iaqualink/sensor.py

60 lines
1.7 KiB
Python

"""Support for Aqualink temperature sensors."""
from typing import Optional
from homeassistant.components.sensor import DOMAIN
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import DEVICE_CLASS_TEMPERATURE, TEMP_CELSIUS, TEMP_FAHRENHEIT
from homeassistant.helpers.typing import HomeAssistantType
from . import AqualinkEntity
from .const import DOMAIN as AQUALINK_DOMAIN
PARALLEL_UPDATES = 0
async def async_setup_entry(
hass: HomeAssistantType, config_entry: ConfigEntry, async_add_entities
) -> None:
"""Set up discovered sensors."""
devs = []
for dev in hass.data[AQUALINK_DOMAIN][DOMAIN]:
devs.append(HassAqualinkSensor(dev))
async_add_entities(devs, True)
class HassAqualinkSensor(AqualinkEntity):
"""Representation of a sensor."""
@property
def name(self) -> str:
"""Return the name of the sensor."""
return self.dev.label
@property
def unit_of_measurement(self) -> Optional[str]:
"""Return the measurement unit for the sensor."""
if self.dev.name.endswith("_temp"):
if self.dev.system.temp_unit == "F":
return TEMP_FAHRENHEIT
return TEMP_CELSIUS
return None
@property
def state(self) -> Optional[str]:
"""Return the state of the sensor."""
if self.dev.state == "":
return None
try:
state = int(self.dev.state)
except ValueError:
state = float(self.dev.state)
return state
@property
def device_class(self) -> Optional[str]:
"""Return the class of the sensor."""
if self.dev.name.endswith("_temp"):
return DEVICE_CLASS_TEMPERATURE
return None