core/homeassistant/components/sensor/homematic.py

96 lines
2.6 KiB
Python

"""
The homematic sensor platform.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sensor.homematic/
Important: For this platform to work the homematic component has to be
properly configured.
"""
import logging
from homeassistant.const import STATE_UNKNOWN
from homeassistant.components.homematic import HMDevice
from homeassistant.loader import get_component
_LOGGER = logging.getLogger(__name__)
DEPENDENCIES = ['homematic']
HM_STATE_HA_CAST = {
"RotaryHandleSensor": {0: "closed", 1: "tilted", 2: "open"},
"WaterSensor": {0: "dry", 1: "wet", 2: "water"},
"CO2Sensor": {0: "normal", 1: "added", 2: "strong"},
}
HM_UNIT_HA_CAST = {
"HUMIDITY": "%",
"TEMPERATURE": "°C",
"BRIGHTNESS": "#",
"POWER": "W",
"CURRENT": "mA",
"VOLTAGE": "V",
"ENERGY_COUNTER": "Wh",
"GAS_POWER": "m3",
"GAS_ENERGY_COUNTER": "m3",
"LUX": "lux",
"RAIN_COUNTER": "mm",
"WIND_SPEED": "km/h",
"WIND_DIRECTION": "°",
"WIND_DIRECTION_RANGE": "°",
"SUNSHINEDURATION": "#",
"AIR_PRESSURE": "hPa",
"FREQUENCY": "Hz",
"VALUE": "#"
}
def setup_platform(hass, config, add_callback_devices, discovery_info=None):
"""Setup the platform."""
if discovery_info is None:
return
homematic = get_component("homematic")
return homematic.setup_hmdevice_discovery_helper(
hass,
HMSensor,
discovery_info,
add_callback_devices
)
class HMSensor(HMDevice):
"""Represents various Homematic sensors in Home Assistant."""
@property
def state(self):
"""Return the state of the sensor."""
if not self.available:
return STATE_UNKNOWN
# Does a cast exist for this class?
name = self._hmdevice.__class__.__name__
if name in HM_STATE_HA_CAST:
return HM_STATE_HA_CAST[name].get(self._hm_get_state(), None)
# No cast, return original value
return self._hm_get_state()
@property
def unit_of_measurement(self):
"""Return the unit of measurement of this entity, if any."""
if not self.available:
return None
return HM_UNIT_HA_CAST.get(self._state, None)
def _init_data_struct(self):
"""Generate a data dict (self._data) from hm metadata."""
# Add state to data dict
if self._state:
_LOGGER.debug("%s init datadict with main node '%s'", self._name,
self._state)
self._data.update({self._state: STATE_UNKNOWN})
else:
_LOGGER.critical("Can't correctly init sensor %s.", self._name)