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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"""歌曲详情与音质档位换算（移植自 sdk/wy/musicDetail.ts）。
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上游 weapi/v3/song/detail 返回 songs + privileges，音质档位由 privilege.maxbr/maxBrLevel 决定，
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档位声明顺序与 TS 版一致（flac24bit 先 push，switch 里依次追加，最后 reverse）。
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"""
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from __future__ import annotations
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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.common.utils import format_play_time, size_formate
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from app.sdk.platforms.wy.utils import UA_LINUX_CHROME, weapi_headers
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from app.sdk.platforms.wy.utils.crypto import weapi
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def _size_of(block: Any) -> str | None:
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"""{size: N} → '1.23 MB'；缺块返回 None（与 TS 的 `item.x ? sizeFormate(item.x.size) : null` 一致）。"""
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if isinstance(block, dict) and block.get("size"):
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return size_formate(block["size"])
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return None
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def build_types(item: dict[str, Any], privilege: dict[str, Any], *, flac_size: bool = True) -> tuple[list[dict], dict]:
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"""按 privilege 生成 types/_types。`flac_size=False` 用于歌单详情（原实现那里 flac 的 size 恒为 null）。"""
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types: list[dict[str, Any]] = []
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_types: dict[str, dict[str, Any]] = {}
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if privilege.get("maxBrLevel") == "hires":
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size = _size_of(item.get("hr"))
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types.append({"type": "flac24bit", "size": size})
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_types["flac24bit"] = {"size": size}
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maxbr = privilege.get("maxbr")
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# 无 break 的 switch 直落是有意为之：高码率同时声明向下兼容的档位
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if maxbr in (999000, 320000, 192000, 128000):
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if maxbr == 999000:
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size = _size_of(item.get("sq")) if flac_size else None
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types.append({"type": "flac", "size": size})
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_types["flac"] = {"size": size}
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if maxbr in (999000, 320000):
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size = _size_of(item.get("h"))
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types.append({"type": "320k", "size": size})
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_types["320k"] = {"size": size}
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size = _size_of(item.get("l"))
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types.append({"type": "128k", "size": size})
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_types["128k"] = {"size": size}
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types.reverse()
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return types, _types
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def _match_privilege(privileges: list[dict[str, Any]], item: dict[str, Any], index: int) -> dict[str, Any] | None:
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"""优先按下标取，id 不符时按 id 查；都找不到返回 None（原实现会跳过该曲目）。"""
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candidate = privileges[index] if index < len(privileges) else None
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if isinstance(candidate, dict) and candidate.get("id") == item.get("id"):
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return candidate
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for privilege in privileges:
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if isinstance(privilege, dict) and privilege.get("id") == item.get("id"):
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return privilege
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return None
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def get_singer(singers: Any) -> str:
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return "、".join(str(singer.get("name")) for singer in singers or [] if isinstance(singer, dict))
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def filter_list(songs: list[dict[str, Any]], privileges: list[dict[str, Any]]) -> list[dict[str, Any]]:
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"""song/detail 响应 → SongInfo 列表。"""
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rows: list[dict[str, Any]] = []
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for index, item in enumerate(songs):
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if not isinstance(item, dict):
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continue
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privilege = _match_privilege(privileges, item, index)
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if privilege is None:
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continue
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types, _types = build_types(item, privilege)
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album = item.get("al") or {}
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pc = item.get("pc")
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if pc:
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# 云盘/翻唱曲目走 pc 字段（歌手/歌名/专辑为纯文本）
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rows.append(
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{
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"singer": pc.get("ar") or "",
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"name": pc.get("sn") or "",
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"albumName": pc.get("alb") or "",
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"albumId": album.get("id"),
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"source": "wy",
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"interval": format_play_time((item.get("dt") or 0) / 1000),
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"songmid": item.get("id"),
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"img": album.get("picUrl") or "",
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"lrc": None,
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"otherSource": None,
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"types": types,
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"_types": _types,
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"typeUrl": {},
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}
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)
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else:
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rows.append(
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{
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"singer": get_singer(item.get("ar")),
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"name": item.get("name") or "",
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"albumName": album.get("name"),
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"albumId": album.get("id"),
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"source": "wy",
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"interval": format_play_time((item.get("dt") or 0) / 1000),
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"songmid": item.get("id"),
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"img": album.get("picUrl"),
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"lrc": None,
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"otherSource": None,
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"types": types,
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"_types": _types,
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"typeUrl": {},
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}
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)
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return rows
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async def get_list(ids: list[Any] | None = None, retry_num: int = 0) -> dict[str, Any]:
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"""按 id 批量取歌曲详情（weapi/v3/song/detail）。"""
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ids = ids or []
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if retry_num > 2:
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raise RuntimeError("try max num")
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form = weapi(
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{
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"c": "[" + ",".join('{"id":' + str(id_) + "}" for id_ in ids) + "]",
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"ids": "[" + ",".join(str(id_) for id_ in ids) + "]",
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}
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)
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resp = await http_fetch(
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"https://music.163.com/weapi/v3/song/detail",
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method="post",
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headers={**weapi_headers(with_cookie=False), "User-Agent": UA_LINUX_CHROME},
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form=form,
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)
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body = resp.body if isinstance(resp.body, dict) else {}
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if resp.status_code != 200 or body.get("code") != 200:
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raise RuntimeError("获取歌曲详情失败")
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return {"source": "wy", "list": filter_list(body.get("songs") or [], body.get("privileges") or [])}
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