update

core/ebus/eventbus.py

@@ -0,0 +1,17 @@
+class EventBus:
+    def __init__(self):
+        self.listeners = {} # 管理各种event的订阅情况
+
+    def subscribe(self, event_type, listener):
+        if event_type not in self.listeners:
+            self.listeners[event_type] = []
+        self.listeners[event_type].append(listener)
+
+    def publish(self, event_type, data):
+        if event_type in self.listeners:
+            for listener in self.listeners[event_type]:
+                listener(data)
+
+# 订阅与发布事件示例
+# event_bus.subscribe('my_event', handle_event)
+# event_bus.publish('my_event', {'key': 'value'})