Bellek ve sohbet ekleme

LangChain ile Aracı Sistemler Tasarlama

Dilini K. Sumanapala, PhD

Founder & AI Engineer, Genverv, Ltd.

Araç kullanımını test etme

Araç düğümü eklenmiş tam sohbet botu diyagramı.

Araç kullanımını test etme

# Sohbet botu grafiğini üretin
display(Image(app.get_graph().draw_mermaid_png()))


# Her iletinin akışını sağlayan yürütme işlevi tanımlayın
def stream_tool_responses(user_input: str):
    for event in graph.stream({"messages": [("user", user_input)]}):


        # Aracının son yanıtını döndürün
        for value in event.values():
            print("Agent:", value["messages"])


# Sorguyu tanımlayın ve sohbet botunu çalıştırın
user_query = "House of Lords"
stream_tool_responses(user_query)

Diyagramı görselleştirme

Araç düğümlü LangGraph sohbet botu diyagramı

Çıktıyı akıtma

Agent: [AIMessage(content='', additional_kwargs={'tool_calls': [{'function': {'arguments': 
'{"query":"House of Lords"}', 'name': 'wikipedia'}, 'type': 'function'}]},
response_metadata={'...'}])]

Agent: [ToolMessage(content='Page: House of Lords\nSummary: The House of Lords is the upper 
house of the Parliament of the United Kingdom. Like the lower house...The House of Lords 
also has a Church of England role...', name='wikipedia', id='...',')]

Agent: [AIMessage(content='The House of Lords is the upper house of the Parliament 
of the United Kingdom, located in the Palace of Westminster in London. It is one 
of the oldest institutions in the world..., additional_kwargs={},

response_metadata=
{'finish_reason': 'stop', 'model_name': 'gpt-4o-mini-2024-07-18', 'system_fingerprint': 
'fp_0ba0d124f1'}, id='run-ae3a0b4f-5b42-4f4e-9409-7c191af0b9c9-0')]

Bellek ekleme

# Belleği kaydetmek için modülleri içe aktarın
from langgraph.checkpoint.memory import MemorySaver


# Bellek kontrol noktasıyla grafiği değiştirin
memory = MemorySaver()


# Grafiği belleği geçirerek derleyin
graph = graph_builder.compile(checkpointer=memory)

Bellekle akış çıktıları

# Tek bir kullanıcı için akış işlevi kurun
def stream_memory_responses(user_input: str):

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


    # Grafikteki olayları akıtın
    for event in graph.stream({"messages": [("user", user_input)]}, config):


        # Aracının son yanıtını döndürün
        for value in event.values():
            if "messages" in value and value["messages"]:
                print("Agent:", value["messages"])


stream_memory_responses("What is the Colosseum?")
stream_memory_responses("Who built it?")

Bellekle çıktı üretme

stream_memory_responses("What is the Colosseum?")

Agent: [AIMessage(content='', additional_kwargs={'tool_calls': [{'index': 0, 
'id': '...', 'function': {'arguments': '
{"query":"Colosseum"}', 'name': 'wikipedia'}, ...])]

Agent: [ToolMessage(content='Page: Colosseum\nSummary: The Colosseum is an ancient
amphitheatre in Rome, Italy. It is the largest standing amphitheatre 
in the world..)]

Agent: [AIMessage(content='The Colosseum, located in Rome, is the largest ancient 
amphitheatre still standing. Built under Emperor Vespasian and completed by his son 
Titus, it hosted gladiatorial games and public events. It is also known as the Flavian 
Amphitheatre due to its association with the Flavian dynasty.', additional_kwargs={}, 
response_metadata={'finish_reason': 'stop', 'model_name': 'gpt-4o-mini-...', ...')]

Bellekle çıktı üretme

stream_memory_responses("Who built it?")

Agent: [AIMessage(content='The Colosseum was built by Emperor Vespasian around 
72 AD and completed by his successor, Emperor Titus. Later modifications were 
made by Emperor Domitian...')]

Haydi pratik yapalım!

LangChain ile Aracı Sistemler Tasarlama