This commit is contained in:
parent
ae60c49fd1
commit
301795569c
|
|
@ -1,13 +1,16 @@
|
|||
import os
|
||||
|
||||
from llama_index.core import SimpleDirectoryReader, VectorStoreIndex, ServiceContext, PromptTemplate
|
||||
from llama_index.core import (
|
||||
SimpleDirectoryReader,
|
||||
VectorStoreIndex,
|
||||
PromptTemplate,
|
||||
Settings,
|
||||
)
|
||||
from llama_index.embeddings.huggingface import HuggingFaceEmbedding
|
||||
from llama_index.vector_stores.faiss import FaissVectorStore
|
||||
from app.core.config import settings
|
||||
from scripts.permissions import get_user_allowed_indexes
|
||||
|
||||
|
||||
|
||||
import faiss
|
||||
|
||||
USER_INDEX_PATH = "index_data"
|
||||
USER_DOC_PATH = "docs"
|
||||
|
|
@ -19,11 +22,10 @@ def build_user_index(user_id: str):
|
|||
|
||||
documents = SimpleDirectoryReader(doc_dir).load_data()
|
||||
embed_model = HuggingFaceEmbedding(model_name=settings.MODEL_NAME)
|
||||
service_context = ServiceContext.from_defaults(embed_model=embed_model)
|
||||
|
||||
Settings.embed_model = embed_model # ✅ 新式配置
|
||||
|
||||
index = VectorStoreIndex.from_documents(
|
||||
documents,
|
||||
service_context=service_context,
|
||||
vector_store=FaissVectorStore()
|
||||
)
|
||||
|
||||
|
|
@ -33,7 +35,7 @@ def build_user_index(user_id: str):
|
|||
|
||||
def query_user_rag(user_id: str, question: str, top_k: int = 4) -> str:
|
||||
embed_model = HuggingFaceEmbedding(model_name=settings.MODEL_NAME)
|
||||
service_context = ServiceContext.from_defaults(embed_model=embed_model)
|
||||
Settings.embed_model = embed_model # ✅ 全局设置一次即可
|
||||
|
||||
all_nodes = []
|
||||
|
||||
|
|
@ -42,7 +44,7 @@ def query_user_rag(user_id: str, question: str, top_k: int = 4) -> str:
|
|||
if not os.path.exists(index_path):
|
||||
raise FileNotFoundError(f"[ERROR] 用户 {user_id} 的索引不存在")
|
||||
user_store = FaissVectorStore.from_persist_path(index_path)
|
||||
user_index = VectorStoreIndex.from_vector_store(user_store, service_context=service_context)
|
||||
user_index = VectorStoreIndex.from_vector_store(user_store)
|
||||
all_nodes += user_index.as_retriever(similarity_top_k=top_k).retrieve(question)
|
||||
|
||||
# 加载共享索引
|
||||
|
|
@ -52,7 +54,7 @@ def query_user_rag(user_id: str, question: str, top_k: int = 4) -> str:
|
|||
shared_path = os.path.join(USER_INDEX_PATH, shared_name)
|
||||
if os.path.exists(shared_path) and shared_path != index_path:
|
||||
shared_store = FaissVectorStore.from_persist_path(shared_path)
|
||||
shared_index = VectorStoreIndex.from_vector_store(shared_store, service_context=service_context)
|
||||
shared_index = VectorStoreIndex.from_vector_store(shared_store)
|
||||
all_nodes += shared_index.as_retriever(similarity_top_k=top_k).retrieve(question)
|
||||
else:
|
||||
print(f"[INFO] 用户 {user_id} 没有共享索引权限")
|
||||
|
|
|
|||
Loading…
Reference in New Issue