Files
SQLBot/backend/main.py
T

88 lines
2.7 KiB
Python

from fastapi.concurrency import asynccontextmanager
from fastapi import FastAPI
from fastapi.routing import APIRoute
from starlette.middleware.cors import CORSMiddleware
from starlette.exceptions import HTTPException as StarletteHTTPException
from apps.system.crud.assistant import init_dynamic_cors
from apps.system.middleware.auth import TokenMiddleware
from common.core.config import settings
from common.core.response_middleware import ResponseMiddleware, exception_handler
from alembic.config import Config
from alembic import command
from fastapi_mcp import FastApiMCP
from fastapi.staticfiles import StaticFiles
import sqlbot_xpack
from common.utils.utils import SQLBotLogUtil
from common.core.sqlbot_cache import init_sqlbot_cache
from apps.api import api_router
def run_migrations():
alembic_cfg = Config("alembic.ini")
command.upgrade(alembic_cfg, "head")
@asynccontextmanager
async def lifespan(app: FastAPI):
run_migrations()
init_sqlbot_cache()
init_dynamic_cors(app)
SQLBotLogUtil.info("✅ SQLBot 初始化完成")
await sqlbot_xpack.core.clean_xpack_cache()
yield
SQLBotLogUtil.info("SQLBot 应用关闭")
def custom_generate_unique_id(route: APIRoute) -> str:
tag = route.tags[0] if route.tags and len(route.tags) > 0 else ""
return f"{tag}-{route.name}"
app = FastAPI(
title=settings.PROJECT_NAME,
openapi_url=f"{settings.API_V1_STR}/openapi.json",
generate_unique_id_function=custom_generate_unique_id,
lifespan=lifespan
)
mcp_app = FastAPI()
# mcp server, images path
mcp_app.mount("/images", StaticFiles(directory=settings.MCP_IMAGE_PATH), name="images")
mcp = FastApiMCP(
app,
name="SQLBot MCP Server",
description="SQLBot MCP Server",
describe_all_responses=True,
describe_full_response_schema=True,
include_operations=["get_datasource_list", "get_model_list", "mcp_question", "mcp_start"]
)
mcp.mount(mcp_app)
# Set all CORS enabled origins
if settings.all_cors_origins:
app.add_middleware(
CORSMiddleware,
allow_origins=settings.all_cors_origins,
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
app.add_middleware(TokenMiddleware)
app.add_middleware(ResponseMiddleware)
app.include_router(api_router, prefix=settings.API_V1_STR)
# Register exception handlers
app.add_exception_handler(StarletteHTTPException, exception_handler.http_exception_handler)
app.add_exception_handler(Exception, exception_handler.global_exception_handler)
mcp.setup_server()
sqlbot_xpack.init_fastapi_app(app)
if __name__ == "__main__":
import uvicorn
uvicorn.run("main:app", host="0.0.0.0", port=8000, reload=True)
# uvicorn.run("main:mcp_app", host="0.0.0.0", port=8001) # mcp server