home-assistant-configuration/config/custom_components/localtuya/sensor.py

71 lines
1.9 KiB
Python

"""Platform to present any Tuya DP as a sensor."""
import logging
from functools import partial
import voluptuous as vol
from homeassistant.components.sensor import DEVICE_CLASSES, DOMAIN
from homeassistant.const import (
CONF_DEVICE_CLASS,
CONF_UNIT_OF_MEASUREMENT,
STATE_UNKNOWN,
)
from .common import LocalTuyaEntity, async_setup_entry
from .const import CONF_SCALING
_LOGGER = logging.getLogger(__name__)
DEFAULT_PRECISION = 2
def flow_schema(dps):
"""Return schema used in config flow."""
return {
vol.Optional(CONF_UNIT_OF_MEASUREMENT): str,
vol.Optional(CONF_DEVICE_CLASS): vol.In(DEVICE_CLASSES),
vol.Optional(CONF_SCALING): vol.All(
vol.Coerce(float), vol.Range(min=-1000000.0, max=1000000.0)
),
}
class LocaltuyaSensor(LocalTuyaEntity):
"""Representation of a Tuya sensor."""
def __init__(
self,
device,
config_entry,
sensorid,
**kwargs,
):
"""Initialize the Tuya sensor."""
super().__init__(device, config_entry, sensorid, _LOGGER, **kwargs)
self._state = STATE_UNKNOWN
@property
def state(self):
"""Return sensor state."""
return self._state
@property
def device_class(self):
"""Return the class of this device."""
return self._config.get(CONF_DEVICE_CLASS)
@property
def unit_of_measurement(self):
"""Return the unit of measurement of this entity, if any."""
return self._config.get(CONF_UNIT_OF_MEASUREMENT)
def status_updated(self):
"""Device status was updated."""
state = self.dps(self._dp_id)
scale_factor = self._config.get(CONF_SCALING)
if scale_factor is not None and isinstance(state, (int, float)):
state = round(state * scale_factor, DEFAULT_PRECISION)
self._state = state
async_setup_entry = partial(async_setup_entry, DOMAIN, LocaltuyaSensor, flow_schema)