Class DecoratorRegistry

tutorials/18_design_patterns_for_agents.py:685–698

用 Python 装饰器语法自动注册

    print("  ──────────────────")

    class DecoratorRegistry:
        """用 Python 装饰器语法自动注册"""
        def __init__(self):
            self._handlers: dict[str, Callable] = {}

        def tool(self, name: str):
            """装饰器: @registry.tool("bash")"""
            def decorator(func):
                self._handlers[name] = func
                return func
            return decorator

        def execute(self, name: str, inp: str) -> str:
            return self._handlers[name](inp)

    r = DecoratorRegistry()