add rag_tools

This commit is contained in:
2026-05-14 16:53:23 +00:00
parent 4144f4a47b
commit 08e37489ed
+14 -37
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@@ -1,41 +1,18 @@
from langchain.tools import tool from langchain.tools import tool
from qdrant_client import QdrantClient from vector_store import QdrantStore
from qdrant_client.http import models from chunker import get_chunks
from langchain_ollama import OllamaEmbeddings
from langchain_text_splitter import RecursiveCharacterTextSplitter
# Initialize global store store = QdrantStore()
client = QdrantClient(url="http://localhost:6333")
collection_name = "rag_collection"
# Ensure collection exists
if collection_name not in client.get_collections().collections:
client.recreate_collection(
collection_name=collection_name,
vectors_config=models.VectorParams(size=384, distance=models.Distance.COSINE),
)
embeddings = OllamaEmbeddings(model="nomic-embed-text") @tool
splitter = RecursiveCharacterTextSplitter(chunk_size=1000, chunk_overlap=200) def search_knowledge_base(query: str, max_results: int = 5) -> str:
"""Semantic search in knowledge base."""
results = store.search(query, limit=max_results)
return "\n".join([f"{i+1}. {r['metadata']['title']} {r['metadata']['content'][:200]}..." for i,r in enumerate(results)])
@tool("search_knowledge_base") @tool
def search_knowledge_base(query: str, max_results: int = 5): def add_to_knowledge_base(content: str, title: str) -> str:
"""Semantic search in the knowledge base.""" """Add document to knowledge base."""
query_vec = embeddings.embed_query(query) chunks = get_chunks(content, title)
results = client.search( store.add_documents(chunks)
collection_name=collection_name, return f"Added {len(chunks)} chunks for '{title}'."
query_vector=query_vec,
limit=max_results,
with_payload=True,
)
return [r.payload for r in results]
@tool("add_to_knowledge_base")
def add_to_knowledge_base(content: str, title: str):
"""Add a document to the knowledge base."""
chunks = splitter.split_text(content)
vectors = embeddings.embed_documents(chunks)
points = []
for i, (chunk, vec) in enumerate(zip(chunks, vectors)):
points.append(models.PointStruct(id=i, vector=vec, payload={"title": title, "chunk": chunk}))
client.upsert(collection_name=collection_name, points=models.Batch(points=points))
return f"Added {len(chunks)} chunks to the knowledge base."