Add Kaleidescape integration (#67711)

homeassistant/components/kaleidescape/entity.py

@@ -0,0 +1,47 @@
+"""Base Entity for Kaleidescape."""
+
+from __future__ import annotations
+
+import logging
+from typing import TYPE_CHECKING
+
+from homeassistant.core import callback
+from homeassistant.helpers.entity import DeviceInfo, Entity
+
+from .const import DOMAIN as KALEIDESCAPE_DOMAIN, NAME as KALEIDESCAPE_NAME
+
+if TYPE_CHECKING:
+    from kaleidescape import Device as KaleidescapeDevice
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class KaleidescapeEntity(Entity):
+    """Defines a base Kaleidescape entity."""
+
+    def __init__(self, device: KaleidescapeDevice) -> None:
+        """Initialize entity."""
+        self._device = device
+
+        self._attr_should_poll = False
+        self._attr_unique_id = device.serial_number
+        self._attr_name = f"{KALEIDESCAPE_NAME} {device.system.friendly_name}"
+        self._attr_device_info = DeviceInfo(
+            identifiers={(KALEIDESCAPE_DOMAIN, self._device.serial_number)},
+            name=self.name,
+            model=self._device.system.type,
+            manufacturer=KALEIDESCAPE_NAME,
+            sw_version=f"{self._device.system.kos_version}",
+            suggested_area="Theater",
+            configuration_url=f"http://{self._device.host}",
+        )
+
+    async def async_added_to_hass(self) -> None:
+        """Register update listener."""
+
+        @callback
+        def _update(event: str) -> None:
+            """Handle device state changes."""
+            self.async_write_ha_state()
+
+        self.async_on_remove(self._device.dispatcher.connect(_update).disconnect)