feat: solution for 6a02e23da6fe2e4ac16acf65

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@@ -1,58 +1,64 @@
from pathlib import Path from langchain_ollama import OllamaEmbeddings
# LLM and embeddings via Ollama
from langchain_ollama import ChatOllama, OllamaEmbeddings
from langchain.tools import tool
from langchain.agents import create_agent
from langchain_core.documents import Document
from langchain_qdrant import QdrantVectorStore from langchain_qdrant import QdrantVectorStore
from qdrant_client import QdrantClient from qdrant_client import QdrantClient
from qdrant_client.http.models import Distance, VectorParams from qdrant_client.http.models import Distance, VectorParams
from langchain_core.messages import HumanMessage from langchain_core.documents import Document
from langchain_text_splitters import RecursiveCharacterTextSplitter
from langchain.tools import tool
from langchain.agents import create_agent
from langchain_openai import ChatOpenAI
from pydantic import SecretStr
# ---------- Qdrant setup ---------- # ---------- LLM and embeddings ----------
llm = ChatOpenAI(
model="openai/gpt-oss-20b",
base_url='https://platform.brojs.ru/jrnl-bh/api/inference/v1',
api_key=SecretStr("jrnl_30283ab953615cbb6846ff9940a1eedce0b76d7b2f59a2394f29e74643e6a90d"),
temperature=0.7,
)
embeddings = OllamaEmbeddings(model_name="nomic-embed-text")
# ---------- Qdrant client ----------
client = QdrantClient(":memory:") client = QdrantClient(":memory:")
client.create_collection( client.create_collection(
collection_name="knowledge", collection_name="knowledge_base",
vectors_config=VectorParams(size=1024, distance=Distance.COSINE), vectors_config=VectorParams(size=embeddings.embedding_size, distance=Distance.COSINE),
)
embeddings = OllamaEmbeddings(model="nomic-embed-text")
vector_store = QdrantVectorStore(
client=client,
collection_name="knowledge",
embedding=embeddings,
) )
vector_store = QdrantVectorStore(client=client, collection_name="knowledge_base", embedding=embeddings)
# ---------- Text splitter ----------
splitter = RecursiveCharacterTextSplitter(chunk_size=500, chunk_overlap=50)
# ---------- Tools ---------- # ---------- Tools ----------
@tool @tool
def search_knowledge_base(query: str, max_results: int = 5) -> str: def add_to_knowledge_base(content: str, title: str) -> str:
"""Search the knowledge base for relevant documents.""" """Add a document to the knowledge base."""
docs_with_score = vector_store.similarity_search_with_score(query, k=max_results) docs = [Document(page_content=c, metadata={"title": title}) for c in splitter.split_text(content)]
if not docs_with_score: vector_store.add_documents(docs)
return "No results found." return f"Added {len(docs)} chunks titled '{title}'."
return "\n".join(
f"{i+1}. {doc.page_content[:200]}..."
for i, (doc, _) in enumerate(docs_with_score)
)
@tool @tool
def add_to_knowledge_base(content: str, title: str = "") -> str: def search_knowledge_base(query: str, max_results: int = 5) -> str:
"""Add a new document to the knowledge base.""" """Search the knowledge base for relevant information."""
doc = Document(page_content=content, metadata={"title": title}) results = vector_store.similarity_search_with_score(query, k=max_results)
vector_store.add_documents([doc]) if not results:
return f"Document '{title}' added." return "No relevant documents found."
reply = ""
for i, (doc, score) in enumerate(results, start=1):
reply += f"{i}. ({score:.2f}) {doc.metadata.get('title', 'Untitled')}: {doc.page_content[:200]}...\n"
return reply.strip()
# ---------- Agent ---------- # ---------- Agent ----------
llm = ChatOllama(model="llama3") system_prompt = (
agent = create_agent( "You are an assistant that can search and add information to a knowledge base. "
model=llm, "Use the tools `add_to_knowledge_base` and `search_knowledge_base` as needed."
tools=[search_knowledge_base, add_to_knowledge_base],
system_prompt="You are a helpful assistant that can search and store knowledge.",
) )
agent = create_agent(model=llm, tools=[add_to_knowledge_base, search_knowledge_base], system_prompt=system_prompt)
# ---------- CLI ---------- # ---------- CLI ----------
def main(): def main():
print("RAG Agent CLI. Commands: /add <title> | <content>, /search <query>, /quit") print("RAG Agent CLI. Commands: /add <title> <content>, /search <query>, /quit")
while True: while True:
try: try:
inp = input("> ").strip() inp = input("> ").strip()
@@ -60,31 +66,30 @@ def main():
break break
if not inp: if not inp:
continue continue
if inp.lower() in ("quit", "/quit"): if inp.lower() in ("/quit", "exit"):
print("Bye!") print("Bye!")
break break
# Add document
if inp.startswith("/add"): if inp.startswith("/add"):
_, rest = inp.split(maxsplit=1) parts = inp.split(maxsplit=2)
try: if len(parts) < 3:
title, content = rest.split("|", 1) print("Usage: /add <title> <content>")
except ValueError:
print("Usage: /add <title> | <content>")
continue continue
res = agent.invoke({"messages": [HumanMessage(content=f"Add document {title}")]}) title, content = parts[1], parts[2]
print(res.messages[-1].content) res_msg = agent.invoke({"messages": [{"role": "human", "content": f"/add {title} {content}"}]})
for msg in res_msg["messages"]:
# Search documents if hasattr(msg, "tool_calls"):
print(msg.tool_calls[0]["output"])
elif inp.startswith("/search"): elif inp.startswith("/search"):
query = inp[len("/search "):] query = inp[len("/search"):].strip()
res = agent.invoke({"messages": [HumanMessage(content=f"Search for {query}")]}) if not query:
print(res.messages[-1].content) print("Usage: /search <query>")
continue
# General chat res_msg = agent.invoke({"messages": [{"role": "human", "content": f"/search {query}"}]})
for msg in res_msg["messages"]:
if hasattr(msg, "tool_calls"):
print(msg.tool_calls[0]["output"])
else: else:
res = agent.invoke({"messages": [HumanMessage(content=inp)]}) print("Unknown command. Use /add, /search, or /quit.")
print(res.messages[-1].content)
if __name__ == "__main__": if __name__ == "__main__":
main() main()