Revert Tahoma removal (#29840)

* Revert "Remove Tahoma component #29744 (#29745)"

This reverts commit df74272ba6.

* Revert "Cleanup removed component (#29788)"

This reverts commit 3a28361beb.

homeassistant/components/tahoma/sensor.py

@@ -0,0 +1,106 @@
+"""Support for Tahoma sensors."""
+from datetime import timedelta
+import logging
+
+from homeassistant.const import ATTR_BATTERY_LEVEL
+from homeassistant.helpers.entity import Entity
+
+from . import DOMAIN as TAHOMA_DOMAIN, TahomaDevice
+
+_LOGGER = logging.getLogger(__name__)
+
+SCAN_INTERVAL = timedelta(seconds=60)
+
+ATTR_RSSI_LEVEL = "rssi_level"
+
+
+def setup_platform(hass, config, add_entities, discovery_info=None):
+    """Set up Tahoma controller devices."""
+    controller = hass.data[TAHOMA_DOMAIN]["controller"]
+    devices = []
+    for device in hass.data[TAHOMA_DOMAIN]["devices"]["sensor"]:
+        devices.append(TahomaSensor(device, controller))
+    add_entities(devices, True)
+
+
+class TahomaSensor(TahomaDevice, Entity):
+    """Representation of a Tahoma Sensor."""
+
+    def __init__(self, tahoma_device, controller):
+        """Initialize the sensor."""
+        self.current_value = None
+        self._available = False
+        super().__init__(tahoma_device, controller)
+
+    @property
+    def state(self):
+        """Return the name of the sensor."""
+        return self.current_value
+
+    @property
+    def unit_of_measurement(self):
+        """Return the unit of measurement of this entity, if any."""
+        if self.tahoma_device.type == "Temperature Sensor":
+            return None
+        if self.tahoma_device.type == "io:SomfyContactIOSystemSensor":
+            return None
+        if self.tahoma_device.type == "io:SomfyBasicContactIOSystemSensor":
+            return None
+        if self.tahoma_device.type == "io:LightIOSystemSensor":
+            return "lx"
+        if self.tahoma_device.type == "Humidity Sensor":
+            return "%"
+        if self.tahoma_device.type == "rtds:RTDSContactSensor":
+            return None
+        if self.tahoma_device.type == "rtds:RTDSMotionSensor":
+            return None
+
+    def update(self):
+        """Update the state."""
+        self.controller.get_states([self.tahoma_device])
+        if self.tahoma_device.type == "io:LightIOSystemSensor":
+            self.current_value = self.tahoma_device.active_states["core:LuminanceState"]
+            self._available = bool(
+                self.tahoma_device.active_states.get("core:StatusState") == "available"
+            )
+        if self.tahoma_device.type == "io:SomfyContactIOSystemSensor":
+            self.current_value = self.tahoma_device.active_states["core:ContactState"]
+            self._available = bool(
+                self.tahoma_device.active_states.get("core:StatusState") == "available"
+            )
+        if self.tahoma_device.type == "io:SomfyBasicContactIOSystemSensor":
+            self.current_value = self.tahoma_device.active_states["core:ContactState"]
+            self._available = bool(
+                self.tahoma_device.active_states.get("core:StatusState") == "available"
+            )
+        if self.tahoma_device.type == "rtds:RTDSContactSensor":
+            self.current_value = self.tahoma_device.active_states["core:ContactState"]
+            self._available = True
+        if self.tahoma_device.type == "rtds:RTDSMotionSensor":
+            self.current_value = self.tahoma_device.active_states["core:OccupancyState"]
+            self._available = True
+
+        _LOGGER.debug("Update %s, value: %d", self._name, self.current_value)
+
+    @property
+    def device_state_attributes(self):
+        """Return the device state attributes."""
+        attr = {}
+        super_attr = super().device_state_attributes
+        if super_attr is not None:
+            attr.update(super_attr)
+
+        if "core:RSSILevelState" in self.tahoma_device.active_states:
+            attr[ATTR_RSSI_LEVEL] = self.tahoma_device.active_states[
+                "core:RSSILevelState"
+            ]
+        if "core:SensorDefectState" in self.tahoma_device.active_states:
+            attr[ATTR_BATTERY_LEVEL] = self.tahoma_device.active_states[
+                "core:SensorDefectState"
+            ]
+        return attr
+
+    @property
+    def available(self):
+        """Return True if entity is available."""
+        return self._available