Add pan tilt camera module (#1261)

Add ptz controls for smartcameras.

---------

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

kasa/smartcamera/modules/__init__.py

@@ -5,6 +5,7 @@ from .camera import Camera
 from .childdevice import ChildDevice
 from .device import DeviceModule
 from .led import Led
+from .pantilt import PanTilt
 from .time import Time
 
 __all__ = [
@@ -13,5 +14,6 @@ __all__ = [
     "ChildDevice",
     "DeviceModule",
     "Led",
+    "PanTilt",
     "Time",
 ]

kasa/smartcamera/modules/pantilt.py

@@ -0,0 +1,107 @@
+"""Implementation of time module."""
+
+from __future__ import annotations
+
+from ...feature import Feature
+from ..smartcameramodule import SmartCameraModule
+
+DEFAULT_PAN_STEP = 30
+DEFAULT_TILT_STEP = 10
+
+
+class PanTilt(SmartCameraModule):
+    """Implementation of device_local_time."""
+
+    REQUIRED_COMPONENT = "ptz"
+    _pan_step = DEFAULT_PAN_STEP
+    _tilt_step = DEFAULT_TILT_STEP
+
+    def _initialize_features(self) -> None:
+        """Initialize features after the initial update."""
+
+        async def set_pan_step(value: int) -> None:
+            self._pan_step = value
+
+        async def set_tilt_step(value: int) -> None:
+            self._tilt_step = value
+
+        self._add_feature(
+            Feature(
+                self._device,
+                "pan_right",
+                "Pan right",
+                container=self,
+                attribute_setter=lambda: self.pan(self._pan_step * -1),
+                type=Feature.Type.Action,
+            )
+        )
+        self._add_feature(
+            Feature(
+                self._device,
+                "pan_left",
+                "Pan left",
+                container=self,
+                attribute_setter=lambda: self.pan(self._pan_step),
+                type=Feature.Type.Action,
+            )
+        )
+        self._add_feature(
+            Feature(
+                self._device,
+                "pan_step",
+                "Pan step",
+                container=self,
+                attribute_getter="_pan_step",
+                attribute_setter=set_pan_step,
+                type=Feature.Type.Number,
+            )
+        )
+        self._add_feature(
+            Feature(
+                self._device,
+                "tilt_up",
+                "Tilt up",
+                container=self,
+                attribute_setter=lambda: self.tilt(self._tilt_step),
+                type=Feature.Type.Action,
+            )
+        )
+        self._add_feature(
+            Feature(
+                self._device,
+                "tilt_down",
+                "Tilt down",
+                container=self,
+                attribute_setter=lambda: self.tilt(self._tilt_step * -1),
+                type=Feature.Type.Action,
+            )
+        )
+        self._add_feature(
+            Feature(
+                self._device,
+                "tilt_step",
+                "Tilt step",
+                container=self,
+                attribute_getter="_tilt_step",
+                attribute_setter=set_tilt_step,
+                type=Feature.Type.Number,
+            )
+        )
+
+    def query(self) -> dict:
+        """Query to execute during the update cycle."""
+        return {}
+
+    async def pan(self, pan: int) -> dict:
+        """Pan horizontally."""
+        return await self.move(pan=pan, tilt=0)
+
+    async def tilt(self, tilt: int) -> dict:
+        """Tilt vertically."""
+        return await self.move(pan=0, tilt=tilt)
+
+    async def move(self, *, pan: int, tilt: int) -> dict:
+        """Pan and tilt camera."""
+        return await self._device._raw_query(
+            {"do": {"motor": {"move": {"x_coord": str(pan), "y_coord": str(tilt)}}}}
+        )

tests/test_feature.py

@@ -160,12 +160,14 @@ async def test_precision_hint(dummy_feature, precision_hint):
 
 async def test_feature_setters(dev: Device, mocker: MockerFixture):
     """Test that all feature setters query something."""
+    # setters that do not call set on the device itself.
+    internal_setters = {"pan_step", "tilt_step"}
 
     async def _test_feature(feat, query_mock):
         if feat.attribute_setter is None:
             return
 
-        expecting_call = True
+        expecting_call = feat.id not in internal_setters
 
         if feat.type == Feature.Type.Number:
             await feat.set_value(feat.minimum_value)