fix(needs_fixes): 1 исправлений, 0 отстояно — main.py
This commit is contained in:
@@ -1,83 +1,53 @@
|
||||
import asyncio
|
||||
import os
|
||||
import asyncio
|
||||
from langchain_openai import ChatOpenAI
|
||||
from langchain_core.messages import HumanMessage
|
||||
from langchain.tools import tool
|
||||
from deepagents import create_deep_agent
|
||||
from deepagents.backends import FilesystemBackend, LocalShellBackend, CompositeBackend
|
||||
from langchain.agents import create_agent
|
||||
from langchain_core.messages import HumanMessage
|
||||
|
||||
# --- LLM configuration -----------------------------------------------------
|
||||
# Connect to the local LM Studio server. Replace '<model_name>' with the exact
|
||||
# name of the model you have loaded in LM Studio.
|
||||
# Настройка LLM через OpenRouter
|
||||
llm = ChatOpenAI(
|
||||
model='<model_name>',
|
||||
base_url='http://localhost:1234/v1',
|
||||
api_key=os.getenv('OPENAI_API_KEY', 'fake'),
|
||||
model="openai/gpt-oss-20b:free",
|
||||
base_url="https://openrouter.ai/api/v1",
|
||||
api_key=os.getenv("OPENAI_API_KEY"),
|
||||
temperature=0.7,
|
||||
)
|
||||
|
||||
# --- Backend ---------------------------------------------------------------
|
||||
backend = CompositeBackend([
|
||||
LocalShellBackend(workspace_dir="./workspace"),
|
||||
FilesystemBackend(),
|
||||
])
|
||||
|
||||
# --- Sub‑agent tool --------------------------------------------------------
|
||||
# Инструмент, который вызывает субагент для получения цены
|
||||
@tool
|
||||
def get_price(product: str, city: str) -> str:
|
||||
"""Return a realistic price for a product in a given city.
|
||||
|
||||
The function internally creates a sub‑agent that asks the LLM to generate
|
||||
a price table. The sub‑agent is a lightweight wrapper around the same
|
||||
LLM instance to keep the example simple.
|
||||
"""Получить примерную цену продукта в указанном городе.
|
||||
Возвращает таблицу в формате Markdown.
|
||||
"""
|
||||
# Create a sub‑agent that only has the task of generating a price table.
|
||||
sub_agent = create_deep_agent(
|
||||
# Создаём субагент, который генерирует таблицу
|
||||
sub_agent = create_agent(
|
||||
model=llm,
|
||||
tools=[],
|
||||
backend=backend,
|
||||
system_prompt=f"You are a market analyst. Provide a realistic price for {product} in {city}. Output a markdown table with columns: Продукт, Цена (руб.), Магазин.",
|
||||
system_prompt=f"Ты эксперт по ценам в {city}.\n\nДай таблицу: | Продукт | Цена (руб.) | Магазин |", # простая подсказка
|
||||
)
|
||||
# Invoke the sub‑agent with a simple prompt.
|
||||
result = asyncio.run(
|
||||
sub_agent.ainvoke(
|
||||
{"messages": [HumanMessage(content=f"Generate price for {product} in {city}")]},
|
||||
{"configurable": {"thread_id": f"price-{product}-{city}"}},
|
||||
)
|
||||
)
|
||||
# Return the content of the last message (the table).
|
||||
# Запускаем субагент с запросом
|
||||
sub_prompt = f"Какова примерная цена на {product} в {city}?"
|
||||
result = sub_agent.invoke({"messages": [HumanMessage(content=sub_prompt)]})
|
||||
# Извлекаем последний текстовый ответ
|
||||
return result["messages"][-1].content
|
||||
|
||||
# --- Main agent ------------------------------------------------------------
|
||||
main_agent = create_deep_agent(
|
||||
# Главный агент
|
||||
agent = create_agent(
|
||||
model=llm,
|
||||
tools=[get_price],
|
||||
backend=backend,
|
||||
system_prompt="Ты помощник по планированию покупок.",
|
||||
)
|
||||
|
||||
# --- Helper to pretty‑print the conversation ------------------------------
|
||||
from langchain_core.messages import BaseMessage
|
||||
|
||||
def format_message(msg: BaseMessage) -> str:
|
||||
if hasattr(msg, "content") and msg.content:
|
||||
return msg.content
|
||||
if hasattr(msg, "tool_calls") and msg.tool_calls:
|
||||
call = msg.tool_calls[0]
|
||||
return f"{call['name']}({call['args']})"
|
||||
return ""
|
||||
|
||||
# --- Main entry point ------------------------------------------------------
|
||||
async def main():
|
||||
user_prompt = "Помоги составить список покупок: молоко, хлеб, яблоки. Я нахожусь в Казани."
|
||||
result = await main_agent.ainvoke(
|
||||
{"messages": [HumanMessage(content=user_prompt)]},
|
||||
{"configurable": {"thread_id": "shopping-session"}},
|
||||
)
|
||||
# Print all messages in order
|
||||
user_query = "Помоги составить список покупок: молоко, хлеб, яблоки. Я нахожусь в Казани."
|
||||
result = await agent.ainvoke({"messages": [HumanMessage(content=user_query)]})
|
||||
# Печатаем все сообщения, включая вызовы инструментов
|
||||
for msg in result["messages"]:
|
||||
print(format_message(msg))
|
||||
print("---")
|
||||
if msg.content:
|
||||
print(msg.content)
|
||||
elif msg.tool_calls:
|
||||
for call in msg.tool_calls:
|
||||
print(f"{call['name']}({call['args']})")
|
||||
|
||||
if __name__ == "__main__":
|
||||
asyncio.run(main())
|
||||
|
||||
Reference in New Issue
Block a user