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feat(routes): 迁移音频流代理与结果交付端点(流式)
- web/routers/stream.py:/api/v1/audio_stream 音频范围流代理 · 签名校验(core.security,密钥同源两栈互认);HEAD 直接 200 不请求上游 · Range 原样透传上游(206 + Content-Range,拖动进度可用) · 编码透明:上游带 Content-Encoding 时不沿用压缩前长度(同 Flask F92) · StreamingResponse 16KB 分块,finally 关闭上游(下游中断亦释放) - core/http_client.py 增 open():返回未关闭流式响应,便于先读状态码再转发 - web/routers/delivery.py:/download/result、/download/batch_zip/result · 归属 403 / 进行中 202 / 暂停 200 / 取消 200 / 失败 500 / 缺失 404 分支逐一对齐 · FileResponse 流式交付 + no-store + X-Download-Filename;清理由监控线程统一回收 验证:pytest 51/51(新增 5 项流代理:无效 token/HEAD/全量/Range 透传/上游关闭); ruff All checks passed;pyright 0 errors;奇偶校验 26/26;实测 5.2MB 流与 Range 206 正确。
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@@ -254,6 +254,35 @@ class AsyncHTTPClient:
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except aiohttp.ClientError as e:
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raise UpstreamNetworkError(str(e)) from e
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async def open(
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self,
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method: str,
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url: str,
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*,
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headers: Mapping[str, str] | None = None,
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cookies: Mapping[str, str] | None = None,
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timeout: float | None = None,
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allow_redirects: bool = True,
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) -> aiohttp.ClientResponse:
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"""打开流式响应并返回**未关闭**的 ClientResponse(调用方负责 close)。
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与 stream() 的区别:不把响应交给 `async with`,便于「先读状态码/头决定是否
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转发,再流式读取」的代理场景(如音频 Range 代理)。
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"""
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session = await self._session_for_loop()
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req_timeout = aiohttp.ClientTimeout(total=timeout) if timeout else None
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try:
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return await session.request(
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method,
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url,
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headers=dict(headers) if headers else None,
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cookies=dict(cookies) if cookies else None,
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timeout=req_timeout,
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allow_redirects=allow_redirects,
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)
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except aiohttp.ClientError as e:
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raise UpstreamNetworkError(str(e)) from e
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# 进程级共享客户端(UA/Referer 由 music_api 在初始化后注入)
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client = AsyncHTTPClient()
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