Adding localtuya custom component

config/custom_components/localtuya/sensor.py

@@ -0,0 +1,70 @@
+"""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)