core/homeassistant/components/sensor/mysensors.py

77 lines
2.6 KiB
Python

"""
Support for MySensors sensors.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sensor.mysensors/
"""
from homeassistant.components import mysensors
from homeassistant.components.sensor import DOMAIN
from homeassistant.const import TEMP_CELSIUS, TEMP_FAHRENHEIT
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Set up the MySensors platform for sensors."""
mysensors.setup_mysensors_platform(
hass, DOMAIN, discovery_info, MySensorsSensor, add_devices=add_devices)
class MySensorsSensor(mysensors.MySensorsEntity):
"""Representation of a MySensors Sensor child node."""
@property
def force_update(self):
"""Return True if state updates should be forced.
If True, a state change will be triggered anytime the state property is
updated, not just when the value changes.
"""
return True
@property
def state(self):
"""Return the state of the device."""
return self._values.get(self.value_type)
@property
def unit_of_measurement(self):
"""Return the unit of measurement of this entity."""
pres = self.gateway.const.Presentation
set_req = self.gateway.const.SetReq
unit_map = {
set_req.V_TEMP: (TEMP_CELSIUS
if self.gateway.metric else TEMP_FAHRENHEIT),
set_req.V_HUM: '%',
set_req.V_DIMMER: '%',
set_req.V_LIGHT_LEVEL: '%',
set_req.V_DIRECTION: '°',
set_req.V_WEIGHT: 'kg',
set_req.V_DISTANCE: 'm',
set_req.V_IMPEDANCE: 'ohm',
set_req.V_WATT: 'W',
set_req.V_KWH: 'kWh',
set_req.V_FLOW: 'm',
set_req.V_VOLUME: '',
set_req.V_VOLTAGE: 'V',
set_req.V_CURRENT: 'A',
}
if float(self.gateway.protocol_version) >= 1.5:
if set_req.V_UNIT_PREFIX in self._values:
return self._values[
set_req.V_UNIT_PREFIX]
unit_map.update({
set_req.V_PERCENTAGE: '%',
set_req.V_LEVEL: {
pres.S_SOUND: 'dB', pres.S_VIBRATION: 'Hz',
pres.S_LIGHT_LEVEL: 'lux'}})
if float(self.gateway.protocol_version) >= 2.0:
unit_map.update({
set_req.V_ORP: 'mV',
set_req.V_EC: 'μS/cm',
set_req.V_VAR: 'var',
set_req.V_VA: 'VA',
})
unit = unit_map.get(self.value_type)
if isinstance(unit, dict):
unit = unit.get(self.child_type)
return unit