feat(python): 完成 Python 全量迁移——剩余平台、登录通道与公共层修复
- 新增 5sing/apple/xm/me/qt/lr 平台包与取流实现(含 xm-sign、MissEvan 签名、蜻蜓 HMAC、Apple developer token) - 新增 wy/kg/tx/lr 登录:扫码、手机号、账密(kg 20028 风控指纹)、cookie 绑定、kg/tx 续期 - request 层:保留多值 Set-Cookie;JSON body 紧凑化(修复 kg 网关验签);直连不经系统代理(对齐 Node) - 登录路由统一 Body(embed=True),修复扫码轮询 422;lifespan 接入登录续期调度 - ruff/format/pyright 全绿;14 平台真实联网与 HTTP 路由验证通过
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"""咪咕歌词(对应 sdk/mg/lyric.ts)。
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resourceinfo.do 取 lrcUrl/lyricUrl 再下载文本;歌词 CDN 只认 y.migu.cn 的 Referer,
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与资源接口的 music.migu.cn Referer 不同,所以单独发一次请求。
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上游对应 music-lib/migu/lyric.go。
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"""
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from __future__ import annotations
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import re
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from typing import Any
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from app.sdk.common.request import http_fetch
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from app.sdk.platforms.mg.util import SONG_DETAIL_URL, build_url, migu_get
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LRC_REFERER = "https://y.migu.cn/"
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LRC_UA = (
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"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36"
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)
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_HTTP_PREFIX = re.compile(r"^http://")
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def content_id_of(song_info: dict[str, Any]) -> str:
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"""从 extra.content_id 或 songmid(contentId|resourceType|formatType)取 contentId。"""
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extra = song_info.get("extra") or {}
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if isinstance(extra, dict) and extra.get("content_id"):
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return str(extra["content_id"])
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raw_id = str(song_info.get("songmid") or song_info.get("id") or "")
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return raw_id.split("|")[0]
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async def get_lyric(song_info: dict[str, Any]) -> dict[str, str]:
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content_id = content_id_of(song_info)
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if not content_id:
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raise RuntimeError("migu 歌曲 id 无效")
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body = await migu_get(build_url(SONG_DETAIL_URL, {"resourceId": content_id, "resourceType": "2"}))
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resource = body.get("resource") if isinstance(body, dict) else None
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if not resource:
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raise RuntimeError("migu 歌词资源不存在")
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first = resource[0] if isinstance(resource[0], dict) else {}
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lrc_url = str(first.get("lrcUrl") or "") or str(first.get("lyricUrl") or "")
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if not lrc_url:
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return {"lyric": "", "tlyric": ""}
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lrc_url = _HTTP_PREFIX.sub("https://", lrc_url)
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resp = await http_fetch(lrc_url, headers={"User-Agent": LRC_UA, "Referer": LRC_REFERER}, timeout=20_000)
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if resp.status_code != 200:
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raise RuntimeError(f"migu 歌词下载失败 {resp.status_code}")
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return {"lyric": resp.body if isinstance(resp.body, str) else "", "tlyric": ""}
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