restore own solution: main.py
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@@ -1,34 +1,49 @@
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"""Интерактивный RAG-агент (Qdrant + Ollama + LangChain)."""
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"""Интерактивный RAG-агент (Qdrant + Ollama + LangChain)."""
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from __future__ import annotations
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from __future__ import annotations
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from agent_app import build_agent, build_llm
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import os
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from knowledge_base import build_knowledge_base
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from rag_tools import add_to_knowledge_base, get_knowledge_base, search_knowledge_base
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__all__ = [
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from langchain.agents import create_agent
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"build_agent",
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from langchain_ollama import ChatOllama
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"build_llm",
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"build_knowledge_base",
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from rag_tools import add_to_knowledge_base, search_knowledge_base
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"get_knowledge_base",
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"search_knowledge_base",
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LLM_MODEL = os.getenv("OLLAMA_LLM_MODEL", "llama3")
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"add_to_knowledge_base",
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OLLAMA_BASE_URL = os.getenv("OLLAMA_BASE_URL", "http://localhost:11434")
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"run_interactive_cli",
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]
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SYSTEM_PROMPT = """\
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Ты ассистент с доступом к базе знаний.
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Перед ответом на фактические вопросы используй search_knowledge_base.
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Если пользователь просит сохранить информацию — вызывай add_to_knowledge_base.
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Отвечай на русском, кратко и по существу.
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"""
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def build_agent():
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llm = ChatOllama(
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model=LLM_MODEL,
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base_url=OLLAMA_BASE_URL,
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temperature=0.2,
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)
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return create_agent(
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model=llm,
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tools=[search_knowledge_base, add_to_knowledge_base],
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system_prompt=SYSTEM_PROMPT,
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)
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def run_interactive_cli() -> None:
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def run_interactive_cli() -> None:
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agent = build_agent()
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agent = build_agent()
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print("RAG-агент (Qdrant + Ollama). Команды: /add, /search, /quit")
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print("RAG-агент. Команды: /add, /search, /quit")
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print(" /add <заголовок> | <текст>")
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print(" /add <заголовок> | <текст>")
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print(" /search <запрос>")
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print(" /search <запрос>")
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print(" или задайте вопрос агенту\n")
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while True:
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while True:
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user_input = input("Вы: ").strip()
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user_input = input("\n> ").strip()
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if not user_input:
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if not user_input:
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continue
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continue
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if user_input.lower() in ("/quit", "exit", "quit", "q"):
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if user_input == "/quit":
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print("До встречи!")
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print("Выход.")
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break
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break
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if user_input.startswith("/search "):
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if user_input.startswith("/search "):
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@@ -45,9 +60,11 @@ def run_interactive_cli() -> None:
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print(add_to_knowledge_base.invoke({"content": content, "title": title}))
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print(add_to_knowledge_base.invoke({"content": content, "title": title}))
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continue
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continue
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result = agent.invoke({"messages": [{"role": "human", "content": user_input}]})
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result = agent.invoke(
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{"messages": [{"role": "human", "content": user_input}]}
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)
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answer = result["messages"][-1]
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answer = result["messages"][-1]
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print(f"\nАгент: {getattr(answer, 'content', answer)}\n")
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print(getattr(answer, "content", answer))
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if __name__ == "__main__":
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if __name__ == "__main__":
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