用記憶整理聊天機器人輸出

Designing Agentic Systems with LangChain

Dilini K. Sumanapala, PhD

Founder & AI Engineer, Genverv, Ltd.

串流多個工具的輸出

    完整圖形工作流程。

 

  • 以多個工具列印輸出
      - Agent: [Tool 1: answer]
  - Agent: [Tool 2: answer]
  • 列印使用者查詢並啟用記憶
      - User: [Query]
  - Agent: [Tool 1: answer]

  - User: [Follow-up query]
  - Agent: [Tool 1: follow-up answer]
Designing Agentic Systems with LangChain

串流多個工具的輸出

from langchain_core.messages import AIMessage, HumanMessage


config = {"configurable": {"thread_id": "1"}}


# Create input message with the user's query
def multi_tool_output(query):

    inputs = {"messages": [HumanMessage(content=query)]}


    # Stream messages and metadata from the chatbot application
    for msg, metadata in app.stream(inputs, config, stream_mode="messages"):


        # Check if the message has content and is not from a human
        if msg.content and not isinstance(msg, HumanMessage):
            print(msg.content, end="", flush=True)

    print("\n")
Designing Agentic Systems with LangChain

使用多個工具進行測試

檢查動態工具指派
multi_tool_output("Is `Stella won no wallets` a palindrome?")

multi_tool_output("What happened on April 12th, 1955?")

The phrase or word 'Stella won no wallets' is a palindrome.

Yes, the phrase "Stella won no wallets" is a palindrome.


April 12th, 1955, is notable for several reasons, particularly in the context of science and 
technology. On this date, the first successful polio vaccine developed by Dr. Jonas Salk 
was announced to the public. This vaccine was a significant breakthrough in the fight against 
poliomyelitis, a disease that had caused widespread fear and numerous outbreaks, particularly 
affecting children. The announcement marked a turning point in public health and led to 
widespread vaccination campaigns that ultimately contributed to the near-eradication of polio...
Designing Agentic Systems with LangChain

多工具的追問互動

# Print the user query first for every interaction
def user_agent_multiturn(queries):
    for query in queries:
        print(f"User: {query}")


        # Stream through messages corresponding to queries, excluding metadata 
        print("Agent: " + "".join(msg.content for msg, metadata in app.stream(
                {"messages": [HumanMessage(content=query)]}, config, stream_mode="messages")


            # Filter out the human messages to print agent messages
            if msg.content and not isinstance(msg, HumanMessage)) + "\n")


queries = ["What happened on the 12 April 1961?", "What about 10 December 1948?", 
"Is `Mr. Owl ate my metal worm?` a palindrome?", "What about 'palladium stadium?'"]
user_agent_multiturn(queries)
Designing Agentic Systems with LangChain

完整對話輸出

  • 歷史事件
User: What happened on the 12 April 1961?
Agent: On April 12, 1961, Yuri Gagarin, a Soviet cosmonaut, became the first human to travel 
into space aboard the Vostok 1 spacecraft...

User: What about 22 November 1963?
Agent: December 10, 1948... marks the Universal Declaration of Human Rights (UDHR).
  • 回文檢查
User: Is `Mr. Owl ate my metal worm?` a palindrome?
Agent: The phrase or word 'Mr. Owl ate my metal worm?' is a palindrome...

User: What about 'palladium stadium'?
Agent: No, the phrase `palladium stadium` is not a palindrome...
Designing Agentic Systems with LangChain

一起來練習吧！

Designing Agentic Systems with LangChain

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