Add refresh states command (#44)

README.md

@@ -42,9 +42,6 @@ async def main() -> None:
             print(f"{device.label} ({device.id}) - {device.controllable_name}")
             print(f"{device.widget} - {device.ui_class}")
 
-        # Create an event listener and poll it
-        listener_id = await client.register_event_listener()
-
         while True:
             events = await client.fetch_events()
             print(events)

pyhoma/client.py

@@ -114,6 +114,15 @@ async def get_state(self, deviceurl: str) -> List[State]:
 
         return state
 
+    @backoff.on_exception(
+        backoff.expo, NotAuthenticatedException, max_tries=2, on_backoff=relogin
+    )
+    async def refresh_states(self) -> None:
+        """
+        Ask the box to refresh all devices states for protocols supporting that operation
+        """
+        await self.__post("/setup/devices/states/refresh")
+
     async def register_event_listener(self) -> str:
         """
         Register a new setup event listener on the current session and return a new