Improvements

Author: BenDol

src/event.py

@@ -0,0 +1,23 @@
+class EventBus:
+  """
+  A simple EventBus to publish/subscribe to named events.
+  """
+  def __init__(self):
+    self.listeners = {}
+
+  def subscribe(self, event_name, callback):
+    """Subscribe a callback to a specific event_name."""
+    if event_name not in self.listeners:
+      self.listeners[event_name] = []
+    self.listeners[event_name].append(callback)
+
+  def unsubscribe(self, event_name, callback):
+    """Unsubscribe a callback from a specific event_name."""
+    if event_name in self.listeners and callback in self.listeners[event_name]:
+      self.listeners[event_name].remove(callback)
+
+  def publish(self, event_name, *args, **kwargs):
+    """Publish an event, invoking all callbacks subscribed to event_name."""
+    if event_name in self.listeners:
+      for callback in self.listeners[event_name]:
+        callback(*args, **kwargs)