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Profeto/src/api/app.py
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Python

"""FastAPI 应用工厂。"""
from __future__ import annotations
import logging
from collections.abc import AsyncIterator
from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from src.core.config import settings
logger = logging.getLogger(__name__)
@asynccontextmanager
async def lifespan(app: FastAPI) -> AsyncIterator[None]:
from src.db.base import init_db
from src.core.http_client import close_client
from src.core.runtime_config import (
ensure_admin_password_hashed,
migrate_plaintext_sensitive_settings,
)
from src.core.security_check import assert_security_on_startup
await init_db() # 验证连接,不建表
await migrate_plaintext_sensitive_settings() # 明文敏感配置 → 加密(幂等)
await ensure_admin_password_hashed() # .env 明文密码 → scrypt 哈希(幂等)
await assert_security_on_startup() # 启动安全校验(生产拒绝/开发警告)
yield
await close_client()
def create_app() -> FastAPI:
from src.core.log_buffer import setup_memory_logging
setup_memory_logging(settings.LOG_LEVEL)
# 生产环境不暴露 OpenAPI 文档(避免向访客泄露接口结构)
openapi_url = "/openapi.json" if settings.APP_ENV != "production" else None
app = FastAPI(
title="Profeto API",
description="足球数据 + LLM 预测服务",
version="0.1.0",
lifespan=lifespan,
openapi_url=openapi_url,
)
origins = [o.strip() for o in settings.CORS_ORIGINS.split(",") if o.strip()]
methods = [m.strip() for m in settings.CORS_METHODS.split(",") if m.strip()]
headers = [h.strip() for h in settings.CORS_HEADERS.split(",") if h.strip()]
app.add_middleware(
CORSMiddleware,
allow_origins=origins,
allow_credentials=True,
allow_methods=methods,
allow_headers=headers,
)
from src.api.routes.matches import router as matches_router
from src.api.routes.predict import router as predict_router
from src.api.routes.ingest import router as ingest_router
from src.api.routes.eval import router as eval_router
from src.api.routes.backtest import router as backtest_router
from src.api.routes.auth import router as auth_router
from src.api.routes.admin_settings import router as admin_settings_router
app.include_router(matches_router)
app.include_router(predict_router)
app.include_router(ingest_router)
app.include_router(eval_router)
app.include_router(backtest_router)
app.include_router(auth_router)
app.include_router(admin_settings_router)
@app.get("/health")
async def health():
return {"status": "healthy", "service": "profeto"}
@app.get("/health/ready")
async def health_ready():
"""就绪检查:验证数据库连接。
数据库不可达时返回 HTTP 503,而非 200 + not_ready ——
这样 K8s/Compose 的 readinessProbe 才能正确判定「未就绪」并停止流量。
"""
from src.db.base import engine
from fastapi.responses import JSONResponse
try:
async with engine.begin() as conn:
await conn.run_sync(lambda conn: None)
return {"status": "ready"}
except Exception as e:
logger.warning("就绪检查失败(数据库不可达): %s", e)
return JSONResponse(
status_code=503,
content={"status": "not_ready", "reason": "database_unreachable"},
)
return app
app = create_app()