优化属性图检索功能及支持OpenAI线上模型

backend/app/engine/index.py

@@ -5,6 +5,7 @@ from typing import Dict,Any
 from llama_index.core import PropertyGraphIndex
 from llama_index.core.storage.storage_context import StorageContext
 from llama_index.core import load_index_from_storage
+from app.engine.graph.graphStore import RAGPropertyGraphStore
 
 logger = logging.getLogger("uvicorn")
 
@@ -33,6 +34,7 @@ def getPropertyGraphIndex(prjFlag:str):
         prjCachePath = GRAPH_STORAGE_DIR + f"/{prjFlag}"
         if not os.path.exists(prjCachePath):
             return None
-        storeContext = StorageContext.from_defaults(persist_dir = prjCachePath,vector_store = get_vector_store(prjFlag))
+        storeContext = StorageContext.from_defaults(persist_dir = prjCachePath,vector_store = get_vector_store(prjFlag),
+                                                    property_graph_store = RAGPropertyGraphStore.from_persist_dir(prjCachePath))
         index = load_index_from_storage(storeContext)
     return index