admin
ebf27a6c3e
- qa_service 定义 KGEmptyError 异常，run_query 抛出；routers/query 精确捕获 → HTTP 400 + code 3002，移除字符串匹配 - main.py CORS 改为读 CORS_ORIGINS 环境变量：未设置时 wildcard + credentials=False（合规默认），设置后显式列表 + credentials=True - .env.example 新增 CORS_ORIGINS 默认值（后端 + 前端 4 个域名）
78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
"""
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GraphRAG Studio — FastAPI Backend
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Entry point: uvicorn main:app --host 0.0.0.0 --port 8000 --reload
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"""
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import os
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import sys
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from pathlib import Path
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# Ensure backend/ is in sys.path for absolute imports
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sys.path.insert(0, str(Path(__file__).parent))
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from dotenv import load_dotenv
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from fastapi import Depends, FastAPI
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from fastapi.middleware.cors import CORSMiddleware
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load_dotenv(Path(__file__).parent / ".env", override=True)
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from middleware.auth import get_current_user
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from routers import documents, indexing, kg, query, search, system
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app = FastAPI(
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title="GraphRAG Studio API",
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description="Multimodal RAG Q&A system backend — MinerU + LangExtract + Agentic-RAG",
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version="1.0.0",
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docs_url="/docs",
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redoc_url="/redoc",
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)
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# CORS — explicit origins when set, wildcard otherwise.
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# Auth uses Bearer headers (not cookies), so credentials are only needed when
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# the browser is also sending cookies; keep credentials=False with wildcard to
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# avoid the CORS spec rejecting the combo at runtime.
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_cors_origins_raw = os.getenv("CORS_ORIGINS", "").strip()
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if _cors_origins_raw:
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_cors_origins = [o.strip() for o in _cors_origins_raw.split(",") if o.strip()]
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_cors_credentials = True
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else:
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_cors_origins = ["*"]
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_cors_credentials = False
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app.add_middleware(
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CORSMiddleware,
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allow_origins=_cors_origins,
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allow_credentials=_cors_credentials,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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# All routers under /api/v1. Each router carries its own sub-prefix.
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# documents.router prefix="/documents" → /api/v1/documents
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# indexing.router prefix="/index" → /api/v1/index
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# kg.router prefix="/kg" → /api/v1/kg
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# query.router prefix="/query" → /api/v1/query
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# search.router prefix="/search" → /api/v1/search
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# system.router no prefix → /api/v1/health, /api/v1/system/...
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PREFIX = "/api/v1"
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_auth = [Depends(get_current_user)]
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# Protected routes (require Keycloak authentication)
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app.include_router(documents.router, prefix=PREFIX, dependencies=_auth)
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app.include_router(indexing.router, prefix=PREFIX, dependencies=_auth)
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app.include_router(kg.router, prefix=PREFIX, dependencies=_auth)
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app.include_router(query.router, prefix=PREFIX, dependencies=_auth)
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app.include_router(search.router, prefix=PREFIX, dependencies=_auth)
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# Public routes (no authentication required)
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app.include_router(system.router, prefix=PREFIX)
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@app.get("/")
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async def root():
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return {"msg": "GraphRAG Studio API v1.0.0", "docs": "/docs", "health": "/api/v1/health"}
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run("main:app", host="0.0.0.0", port=8000, reload=True)
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