Archived
## uv 环境管理 - pyproject.toml 声明 dependencies + [dependency-groups].dev,uv.lock 精确锁定 - 删除 requirements.txt / requirements-fastapi.txt / requirements-dev.txt - .python-version = 3.12;Dockerfile 改用 uv sync --frozen(可复现构建) - 新增 jinja2(首页渲染) ## 删除 Flask 技术债 - 从 main.py 用 ast 精确剥离 56 个 Flask 节点(路由/中间件/错误处理/启动), 框架无关的服务层落为 services/runtime.py(MusicAPIService、下载/打包 worker、 任务监控、缓存清扫),零 Flask 依赖 - 删除 main.py(4527 行)与 auth_routes.py(1050 行) - auth_system.py 移除会话/请求上下文层(login_session/current_user/login_required/ admin_required/_client_ip 等),保留数据与业务层 - 新增 core/net.py(IP 解析)、web/auth_state.py(登录锁定/2FA 票据/发码限流) - FastAPI 侧改直接依赖 services.runtime,不再 import main - web/app.py 去掉 Flask fallback;入口默认根路径模式(API_PREFIX 可选) ## 删除 requests 技术债 - 新增 core/sync_http.py:requests 风格的同步门面(底层 aiohttp 连接池, 流式读取经有界队列背压),含 Session/headers/(connect,read) 元组超时兼容 - core/utils、auth_system、podcast_api、music_downloader、services 全部切换 - 实测真实下载 5.2MB 音频完整成功 ## 质量门禁归零 - ruff:0 错误(B904 全部修复,不再忽略) - pyright:0 错误(类型收窄修复) - pytest:140/140(含 golden 契约回归、root 模式 66 项路径覆盖) - 真实 uvicorn 启动:/health、/、/static、受保护端鉴权全部正确 新增 tests/golden/responses.json:删除 Flask 前捕获的 32 例响应快照, FastAPI 逐字段复现——删除巨石后行为回归仍有硬证据。
110 lines
4.6 KiB
Python
110 lines
4.6 KiB
Python
# -*- coding: utf-8 -*-
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"""FastAPI 应用工厂。
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设计(strangler 迁移):
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- 已迁移的路由挂在 `/api/v1` 前缀下,与遗留 Flask 的同名路由(根路径)并存,
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便于逐端点比对响应契约(.zcode/refactor/parity.py)。
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迁移已完成:Flask 巨石(main.py/auth_routes.py)已删除,本应用即唯一服务端。
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`api_prefix` 为空即直接服务前端使用的根路径;非空则挂在给定前缀下(用于契约比对)。
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"""
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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.staticfiles import StaticFiles
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from core.config import APP_VERSION
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from core.security import init_secret_key
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from web.errors import install_error_handlers
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from web.middleware import ResponseHygieneMiddleware
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from web.routers import account as account_router
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from web.routers import admin as admin_router
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from web.routers import admin_site as admin_site_router
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from web.routers import auth as auth_router
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from web.routers import auth_status as auth_status_router
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from web.routers import delivery as delivery_router
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from web.routers import download as download_router
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from web.routers import index as index_router
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from web.routers import music as music_router
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from web.routers import podcast as podcast_router
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from web.routers import register as register_router
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from web.routers import site as site_router
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from web.routers import stream as stream_router
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from web.routers import system as system_router
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from web.routers import tasks as tasks_router
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from web.routers import user as user_router
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@asynccontextmanager
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async def _lifespan(app: FastAPI):
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"""应用生命周期:关闭时释放 aiohttp 连接池(含按事件循环隔离的 session)。"""
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yield
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try:
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from core import aiohttp_compat, http_client
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await http_client.client.close()
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await aiohttp_compat.close()
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except Exception:
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pass
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def _init_audio_secret() -> None:
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"""注入音频签名密钥(与 Flask 同源,令两栈 token 互认)。"""
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try:
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import auth_system
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init_secret_key(auth_system.get_secret_key())
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except Exception:
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pass
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def create_app(api_prefix: str = '') -> FastAPI:
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"""创建 FastAPI 应用。
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api_prefix:路由挂载前缀。
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- ''(默认):直接服务前端使用的根路径(生产形态)
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- '/api/v1':挂在子前缀下(契约比对脚本 .zcode/refactor/parity.py 用)
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"""
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_init_audio_secret()
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app = FastAPI(
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title='云村小助手API服务',
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version=APP_VERSION,
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docs_url='/api/v1/docs',
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redoc_url=None,
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openapi_url='/api/v1/openapi.json',
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lifespan=_lifespan,
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)
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# 响应侧统一处理:安全头 + 音频直链签名保护 + 版本指纹抹除
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app.add_middleware(ResponseHygieneMiddleware)
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# 静态资源(/static/site_auth.js 等)——与 Flask static_folder 同目录
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_static_dir = Path(__file__).resolve().parent.parent / 'static'
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if _static_dir.is_dir():
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app.mount('/static', StaticFiles(directory=str(_static_dir)), name='static')
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# 已迁移路由:统一挂 /api/v1(迁移期与 Flask 根路径并存,便于对比)
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app.include_router(system_router.router, prefix=api_prefix, tags=['system'])
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app.include_router(site_router.router, prefix=api_prefix, tags=['site'])
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app.include_router(music_router.router, prefix=api_prefix, tags=['music'])
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app.include_router(account_router.router, prefix=api_prefix, tags=['account'])
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app.include_router(podcast_router.router, prefix=api_prefix, tags=['podcast'])
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app.include_router(tasks_router.router, prefix=api_prefix, tags=['tasks'])
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app.include_router(delivery_router.router, prefix=api_prefix, tags=['delivery'])
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app.include_router(stream_router.router, prefix=api_prefix, tags=['stream'])
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app.include_router(auth_status_router.router, prefix=api_prefix, tags=['auth'])
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app.include_router(auth_router.router, prefix=api_prefix, tags=['auth'])
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app.include_router(user_router.router, prefix=api_prefix, tags=['user'])
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app.include_router(admin_router.router, prefix=api_prefix, tags=['admin'])
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app.include_router(register_router.router, prefix=api_prefix, tags=['auth'])
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app.include_router(admin_site_router.router, prefix=api_prefix, tags=['admin'])
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app.include_router(download_router.router, prefix=api_prefix, tags=['download'])
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# 首页与静态资源(迁移完成形态;fallback 模式下同路径也能由 Flask 提供)
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app.include_router(index_router.router, tags=['index'])
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install_error_handlers(app)
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return app
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