feat: add parent_controller property to controller

aiorussound/rio.py

@@ -237,7 +237,8 @@ async def enumerate_controllers(self):
                     firmware_version = await self.get_variable(
                         device_str, "firmwareVersion"
                     )
-                controller = Controller(self, controller_id, mac_address, controller_type, firmware_version)
+                controller = Controller(self, controllers.get(1, None), controller_id, mac_address, controller_type,
+                                        firmware_version)
                 await controller.fetch_configuration()
                 controllers[controller_id] = controller
             except CommandException:
@@ -271,9 +272,10 @@ async def _watch_cached_devices(self):
 class Controller:
     """Uniquely identifies a controller"""
 
-    def __init__(self, instance: Russound, controller_id: int, mac_address: str, controller_type: str,
-                 firmware_version: str):
+    def __init__(self, instance: Russound, parent_controller, controller_id: int, mac_address: str,
+                 controller_type: str, firmware_version: str):
         self.instance = instance
+        self.parent_controller = parent_controller
         self.controller_id = controller_id
         self.mac_address = mac_address
         self.controller_type = controller_type

examples/basic.py

@@ -22,7 +22,7 @@ async def demo(loop, host):
     print("Finding controllers")
     controllers = await rus.enumerate_controllers()
 
-    for c in controllers:
+    for c in controllers.values():
         print("%s (%s): %s" % (c.controller_id, c.mac_address, c.controller_type))
 
         print("Determining valid zones")