ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter9/gaia-experience/AWorld/tests/runners/callback/simple_callback.py

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+# coding: utf-8
+# Copyright (c) 2025 inclusionAI.
+
+"""
+Simple tool callback example, demonstrating the basic functionality of callback registration and execution.
+"""
+
+# Import business package, its __init__.py will automatically import and register callback functions
+import business
+from aworld.runners.callback.decorator import reg_callback, CallbackRegistry
+
+
+# Import CallbackRegistry
+
+
+@reg_callback("mcp_server__action")
+def simple_callback(content):
+    """Simple callback function, prints content and returns it
+
+    Args:
+        content: Content to print
+
+    Returns:
+        The input content
+    """
+    print(f"Callback function received content: {content}")
+    return content
+
+def main():
+    """Main function, demonstrating how to get and execute callback functions"""
+    # List all registered callback functions
+    # print("\n===== Registered Callback Functions =====")
+    # business.list_all_callbacks()
+    
+    # Get and execute print_content callback function
+    print("\n===== Execute print_content Callback Function =====")
+    callback_func = CallbackRegistry.get("mcp_server__action")
+    
+    if callback_func:
+        print("Callback function found, executing...")
+        result = callback_func("Hello, Callback!!!!!")
+        print(f"Callback function execution result: {result}")
+    else:
+        print("print_content callback function not found")
+
+
+if __name__ == "__main__":
+    main()