added motion sensor example

examples/example.yaml

@@ -0,0 +1,6 @@
+example_motion:
+  module: motion
+  class: MotionSensor
+  motion_sensor: binary_sensor.bathroom_motion_occupancy
+  light: light.bathroom
+  off_duration: 10

examples/motion.py

@@ -0,0 +1,54 @@
+from appdaemon.adbase import ADBase
+from appdaemon.entity import Entity
+
+
+class MotionSensor(ADBase):  # (1)!
+    def initialize(self):
+        self.adapi = self.get_ad_api()
+        self.log = self.adapi.log
+        self.light.listen_state(self.handle_light, immediate=True) # (2) !
+
+    @property
+    def motion_sensor(self) -> Entity:
+        return self.adapi.get_entity(self.args['motion_sensor'])
+
+    @property
+    def motion_detected(self) -> Entity:
+        return self.motion_sensor.state == 'on'
+
+    @property
+    def light(self) -> Entity:
+        return self.adapi.get_entity(self.args['light'])
+
+    @property
+    def light_is_on(self) -> bool:
+        return self.light.state == 'on'
+
+    @property
+    def off_duration(self) -> float:
+        return float(self.args['off_duration'])
+
+    def handle_light(self, entity, attribute, old, new, **kwargs):
+        if new == 'on':
+            self.listen_motion_off()
+        else:
+            self.listen_motion_on()
+
+    def listen_motion_off(self):
+        self.log('Listening for motion off')
+        self.motion_sensor.listen_state(
+            self.motion_off, new='off', duration=self.off_duration, oneshot=True
+        )
+
+    def listen_motion_on(self):
+        self.log(
+            f"'{self.light.friendly_name}' will turn on with motion on '{self.motion_sensor.friendly_name}'"
+        )
+        self.motion_sensor.listen_state(self.motion_on, new='on')
+
+    def motion_on(self, entity, attribute, old, new, **kwargs):
+        self.light.turn_on()
+
+    def motion_off(self, entity, attribute, old, new, **kwargs):
+        self.log(f"Listening for motion on '{self.motion_sensor.friendly_name}'")
+        self.light.turn_off()