core/homeassistant/components/knx/weather.py

67 lines
1.8 KiB
Python

"""Support for KNX/IP weather station."""
from xknx.devices import Weather as XknxWeather
from homeassistant.components.weather import WeatherEntity
from homeassistant.const import TEMP_CELSIUS
from .const import DOMAIN
from .knx_entity import KnxEntity
async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
"""Set up the scenes for KNX platform."""
entities = []
for device in hass.data[DOMAIN].xknx.devices:
if isinstance(device, XknxWeather):
entities.append(KNXWeather(device))
async_add_entities(entities)
class KNXWeather(KnxEntity, WeatherEntity):
"""Representation of a KNX weather device."""
def __init__(self, device: XknxWeather):
"""Initialize of a KNX sensor."""
super().__init__(device)
@property
def temperature(self):
"""Return current temperature."""
return self._device.temperature
@property
def temperature_unit(self):
"""Return temperature unit."""
return TEMP_CELSIUS
@property
def pressure(self):
"""Return current air pressure."""
# KNX returns pA - HA requires hPa
return (
self._device.air_pressure / 100
if self._device.air_pressure is not None
else None
)
@property
def condition(self):
"""Return current weather condition."""
return self._device.ha_current_state().value
@property
def humidity(self):
"""Return current humidity."""
return self._device.humidity if self._device.humidity is not None else None
@property
def wind_speed(self):
"""Return current wind speed in km/h."""
# KNX only supports wind speed in m/s
return (
self._device.wind_speed * 3.6
if self._device.wind_speed is not None
else None
)