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"""Multi Level Sensors."""
from datetime import datetime, tzinfo
from typing import Any
from devolo_home_control_api.exceptions import WrongElementError
from .sensor_property import SensorProperty
class MultiLevelSensorProperty(SensorProperty):
"""
Object for multi level sensors. It stores the multi level sensor state and additional information that help displaying the
state in the right context.
:param element_uid: Element UID, something like devolo.MultiLevelSensor:hdm:ZWave:CBC56091/24#MultilevelSensor(1)
:param tz: Timezone the last activity is recorded in
:key value: Multi level value
:type value: float
:key unit: Unit of that value
:type unit: int
"""
def __init__(self, element_uid: str, tz: tzinfo, **kwargs: Any) -> None:
"""Initialize the multi level sensor."""
if not element_uid.startswith(
(
"devolo.DewpointSensor:",
"devolo.MultiLevelSensor:",
"devolo.ValveTemperatureSensor",
"devolo.VoltageMultiLevelSensor:",
)
):
raise WrongElementError(element_uid, self.__class__.__name__)
super().__init__(element_uid, tz, **kwargs)
self._value: float = kwargs.pop("value", 0.0)
self._unit: int = kwargs.pop("unit", 0)
@property
def unit(self) -> str:
"""Human readable unit of the property."""
units = {
"dewpoint": {0: "°C", 1: "°F"},
"humidity": {0: "%", 1: "g/m³"},
"light": {0: "%", 1: "lx"},
"temperature": {0: "°C", 1: "°F"},
"Seismic Intensity": {0: ""},
"voltage": {0: "V", 1: "mV"},
}
try:
return units[self.sensor_type].get(self._unit, str(self._unit))
except KeyError:
return str(self._unit)
@property
def value(self) -> float:
"""Multi level value."""
return self._value
@value.setter
def value(self, value: float) -> None:
"""Update value of the multilevel sensor and set point in time of the last_activity."""
self._value = value
self._last_activity = datetime.now(tz=self._timezone)
self._logger.debug("value of element_uid %s set to %s.", self.element_uid, value)
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