Add core device, child and camera modules to smartcamera (#1193)

Co-authored-by: Teemu R. <tpr@iki.fi>

kasa/experimental/modules/device.py

@@ -0,0 +1,40 @@
+"""Implementation of device module."""
+
+from __future__ import annotations
+
+from ...feature import Feature
+from ..smartcameramodule import SmartCameraModule
+
+
+class DeviceModule(SmartCameraModule):
+    """Implementation of device module."""
+
+    NAME = "devicemodule"
+    QUERY_GETTER_NAME = "getDeviceInfo"
+    QUERY_MODULE_NAME = "device_info"
+    QUERY_SECTION_NAMES = ["basic_info", "info"]
+
+    def _initialize_features(self) -> None:
+        """Initialize features after the initial update."""
+        self._add_feature(
+            Feature(
+                self._device,
+                id="device_id",
+                name="Device ID",
+                attribute_getter="device_id",
+                category=Feature.Category.Debug,
+                type=Feature.Type.Sensor,
+            )
+        )
+
+    async def _post_update_hook(self) -> None:
+        """Overriden to prevent module disabling.
+
+        Overrides the default behaviour to disable a module if the query returns
+        an error because this module is critical.
+        """
+
+    @property
+    def device_id(self) -> str:
+        """Return the device id."""
+        return self.data["basic_info"]["dev_id"]