Pine
634ed22dcd
大屏(Vite dev :1420 / Tauri tauri.localhost)与 server-core(:8090) 不同源；app.park 独立 FastAPI 未加 CORS → OPTIONS 预检 405、ACAO 拒绝。加 CORSMiddleware(allow_origins=['*'])， TestClient 验证 /park/api/config 与预检均 200 且带 ACAO。
94 lines
3.3 KiB
Python
94 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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"""园区子应用（app/park）—— FastAPI 子应用组装。
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由 server-core/dispatcher.py 以 `/park` 前缀路由对外；独立 lifespan：
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启动 MQTT hub、数据 tick 线程（sim_engine → publish_tick）；s2s 实时语音栈延后。
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"""
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from __future__ import annotations
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import asyncio
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import logging
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import threading
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from contextlib import asynccontextmanager
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from pathlib import Path
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from fastapi import FastAPI
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.staticfiles import StaticFiles
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from .config import settings
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from .event_bus import bus
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from .mqtt import hub
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from .routers import router
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from .sim_engine import get_engine, sim_engine
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from . import tenants
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log = logging.getLogger("dpm.park")
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settings.MEDIA_DIR.mkdir(parents=True, exist_ok=True)
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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# 园区表/种子由 alembic + scripts/db/seed.py 非运行态完成；此处仅启动运行时组件
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bus.set_loop(asyncio.get_running_loop())
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hub.start()
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stop = threading.Event()
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# s2s 实时语音栈（可选）：后台线程起 RealtimeServer(:8765)，仅 S2S_ENABLED=1
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# 依赖 speech_to_speech（vendor/s2s-cloud，需先 `uv pip install -e app/park/vendor/s2s-cloud`）
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if settings.S2S_ENABLED:
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try:
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from .s2s_bridge import start_s2s_backend
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start_s2s_backend(stop)
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except Exception as e: # noqa: BLE001
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log.warning("s2s 语音栈启动失败（S2S_ENABLED=1 但依赖未装?）: %s", e)
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def tick_loop():
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while not stop.is_set():
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try:
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# 多租户：逐园区 tick + 按租户发布（同步读租户列表）
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for t in tenants.list_tenants_sync():
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try:
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snap = get_engine(t["id"]).tick()
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hub.publish_tick(snap, t["id"])
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except Exception as e: # noqa: BLE001
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log.warning("园区 %s tick 异常: %s", t.get("id"), e)
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except Exception as e: # noqa: BLE001
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log.warning("园区数据 tick 异常: %s", e)
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stop.wait(settings.MQTT_TICK_INTERVAL)
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threading.Thread(target=tick_loop, daemon=True).start()
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log.info("园区子应用 /park 启动（MQTT %s:%s 系 %s）",
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settings.MQTT_HOST, settings.MQTT_PORT,
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"已启用" if settings.MQTT_ENABLED else "已禁用")
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try:
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yield
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finally:
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stop.set()
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hub.stop()
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app = FastAPI(title="OPC 智能园区子应用", version="1.0.0", lifespan=lifespan)
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# 跨域：大屏(Vite dev :1420 / Tauri tauri.localhost)与 server-core(:8090) 不同源，需放行
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_methods=["*"],
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allow_headers=["*"],
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allow_credentials=True,
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)
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# 关键：内部路由本为 /api/*，挂载到 /park 下 → 外部地址 /park/api/*
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app.include_router(router, prefix="/park")
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# 媒体静态服务（上传/播放文件）
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app.mount("/park/file", StaticFiles(directory=str(settings.MEDIA_DIR)), name="park-media")
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# 管理后台静态资源（如有）
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_static_dir = Path(__file__).resolve().parent / "static"
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if _static_dir.exists():
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app.mount("/park/static", StaticFiles(directory=str(_static_dir)), name="park-static")
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