Files
AIPortPilot/backend/app/main.py
T
selfrelease 7ec4fb0747 feat(backend): AI 服务层 — 千问流式 LLM + 月报解析 + 健康度计算 + 风险检测 + Copilot
- LLM 客户端:全部 SSE 流式输出,兼容 OpenAI 接口
- AI 月报解析:SSE 流式端点 POST /reports/{id}/parse
- 健康度计算引擎:四维评分(财务/经营/AI商业化/AI成本)
- 风险自动检测引擎:6 条规则自动检测指标越界
- AI Copilot:SSE 流式对话 POST /copilot/chat
- 权限中间件:角色级 + 字段级权限控制
- 测试:21 个新测试(健康度 8 + 风险检测 8 + 权限 5),总计 64 passed
2026-07-18 22:16:40 +08:00

80 lines
2.3 KiB
Python

"""FastAPI 应用入口。
注册中间件、路由、异常处理。
"""
import uuid
from contextlib import asynccontextmanager
from fastapi import FastAPI, Request
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import JSONResponse
from app.routers.auth import router as auth_router
from app.routers.companies import router as companies_router
from app.routers.copilot import router as copilot_router
from app.routers.dashboard import router as dashboard_router
from app.routers.reports import router as reports_router
from app.routers.risks import router as risks_router
from app.schemas.common import error
@asynccontextmanager
async def lifespan(app: FastAPI):
"""应用生命周期管理。"""
# startup
yield
# shutdown
app = FastAPI(
title="AIPortPilot",
description="AI+ Portfolio Operating System — 投后管理与组合协同平台",
version="0.1.0",
lifespan=lifespan,
)
# CORS
app.add_middleware(
CORSMiddleware,
allow_origins=["http://localhost:3000"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
@app.middleware("http")
async def trace_id_middleware(request: Request, call_next):
"""为每个请求注入 trace_id。"""
trace_id = request.headers.get("X-Trace-Id", str(uuid.uuid4()))
request.state.trace_id = trace_id
response = await call_next(request)
response.headers["X-Trace-Id"] = trace_id
return response
@app.exception_handler(Exception)
async def global_exception_handler(request: Request, exc: Exception):
"""全局异常处理。"""
trace_id = getattr(request.state, "trace_id", str(uuid.uuid4()))
return JSONResponse(
status_code=500,
content=error(code=-1, message="内部服务器错误"),
headers={"X-Trace-Id": trace_id},
)
@app.get("/health")
async def health_check():
"""健康检查端点。"""
return {"status": "ok", "service": "aiportpilot-backend", "version": "0.1.0"}
app.include_router(auth_router, prefix="/api/v1")
app.include_router(companies_router, prefix="/api/v1")
app.include_router(reports_router, prefix="/api/v1")
app.include_router(dashboard_router, prefix="/api/v1")
app.include_router(risks_router, prefix="/api/v1")
app.include_router(copilot_router, prefix="/api/v1")