ChatGPT modified code for the option of using OWW

If the arguments for OWW are included, microwakeword will be disabled and OWW will be used for detection. Requires a running instance of OWW on the local machine using port 10400. If the OWW arguments are excluded, microwakeword is used for detection.

--wake-uri 'tcp://127.0.0.1:10400' \
  --wake-word-name 'marvin'

linux_voice_assistant/event_bus.py

@@ -0,0 +1,67 @@
+import logging
+from typing import Any, Callable, Dict, List, Optional
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class EventBus:
+    """A simple synchronous publish/subscribe event bus."""
+
+    def __init__(self):
+        # A dictionary to hold listeners for specific string topics
+        self.topics: Dict[str, List[Callable[[Any], None]]] = {}
+
+    def subscribe(self, topic: str, listener: Callable[[Any], None]) -> None:
+        """
+        Subscribes a listener to a topic.
+        """
+
+        # _LOGGER.debug(f'EventBus subscribe {topic}')
+
+        if topic not in self.topics:
+            self.topics[topic] = []
+        self.topics[topic].append(listener)
+
+    def publish(self, topic: str, data: [dict, None]) -> None:
+        """
+        Publishes an event to all subscribed listeners.
+        """
+
+        # _LOGGER.debug(f'EventBus publish {topic}')
+        
+        data['__topic'] = topic
+
+        listeners = self.topics.get(topic, [])
+        for listener in listeners:
+            listener(data)
+
+# Client helpers for subscriptions
+
+# The decorator to mark methods for subscription.
+def subscribe(func: Callable) -> Callable:
+    """Decorator to mark a method for event bus subscription."""
+    func._event_bus_subscribe = True
+    return func
+
+class EventHandler:
+    """
+    A base class for components that subscribe to events.
+    
+    Subclasses should define event handlers as methods decorated with `@subscribe`.
+    The method name will automatically be used as the event topic.
+    """
+
+    def __init__(self, state: Any):
+        self.state = state
+        self._subscribe_all_methods()
+        _LOGGER.debug(f"EventHandler {self.__class__.__name__} has subscribed to all decorated methods.")
+
+    def _subscribe_all_methods(self):
+        """Finds and subscribes all methods decorated with @subscribe."""
+        for method_name in dir(self):
+            method = getattr(self, method_name)
+            
+            if hasattr(method, '_event_bus_subscribe'):
+                # The topic is the name of the method itself.
+                self.state.event_bus.subscribe(method_name, method)
+                _LOGGER.debug(f"Subscribed method '{method_name}' to topic '{method_name}'")