added entity callback cancellation

appdaemon/entity.py

@@ -0,0 +1,26 @@
+from appdaemon import utils
+
+
+class Entity:
+    @utils.sync_decorator
+    async def get_callbacks(self, limit_to_app: str = None) -> dict[str, dict[str, Any]]:
+        async with self.AD.callbacks.callbacks_lock:
+            return {
+                handle: {
+                    'app_name': cb_info['name'],
+                    'function': cb_info['function'].__name__,
+                    **cb_info["kwargs"]
+                }
+                for app_name, app_callbacks in self.AD.callbacks.callbacks.items()
+                if limit_to_app is None or app_name == limit_to_app
+                for handle, cb_info in app_callbacks.items()
+                if self.namespace == cb_info['namespace']
+                and cb_info["type"] == "state"
+                and cb_info.get('entity') == self.entity_id
+            }
+
+    @utils.sync_decorator
+    async def cancel_callbacks(self, all: bool = False):
+        for handle, info in (await self.get_callbacks()).items():
+            if all or self.name == info['app_name']:
+                await self.AD.state.cancel_state_callback(handle, info['app_name'])