LangGraph学习笔记（四）：langgraph本地的流式输出

安装依赖：

uv add langgraph_sdk

from langgraph_sdk import get_clientclient = get_client(url="http://127.0.0.1:2026")async def main():async for chunk in client.runs.stream(None,"agent",input={"messages": [{"role": "user", "content": "今天北京天气怎么样？"}]},# stream_mode="messages-tuple",):# if (#     isinstance(chunk.data, list)#     and "type" in chunk.data[0]#     and chunk.data[0]["type"] == "AIMessageChunk"# ):#     print(chunk.data[0]["content"], end="|", flush=True)print(f"接收到的event类型: {chunk.event}")print(f"接收到的data类型: {chunk.data}\n\n")print()if __name__ == "__main__":imp