Method execute

tutorials/18_design_patterns_for_agents.py:643–648

按名字查找并执行

(self, name: str, tool_input: str)

            self._handlers[name] = handler

        def execute(self, name: str, tool_input: str) -> str:
            """按名字查找并执行"""
            handler = self._handlers.get(name)
            if handler is None:
                raise KeyError(f"unknown tool: {name}")
            return handler(tool_input)

        def list_tools(self) -> list[str]:
            return list(self._handlers.keys())