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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"""Bilibili 歌单（对应 sdk/bili/playlist.ts，上游 bilibili/playlist.go）。
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B 站的「歌单」= 合集 ugc_season / 多分P稿件：
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* search_playlist: 用视频搜索 + view 判断，把「合集」和「多分P稿件」当歌单返回；
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* get_playlist_detail / parse_playlist_link: id 约定 ``season:<season_id>:<mid>:<bvid>`` 或 ``bvid:<bvid>``；
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* get_categories / get_category_playlists: 上游显式返回 ErrPlaylistCategoriesUnsupported，保持不支持（抛错）。
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注意：上游用于补全合集信息的 x/space/ugc/season 接口现已 404，bvid 路径（view 内自带 sections）是主通道。
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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.platforms.bili.music_search import SEARCH_URL
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from app.sdk.platforms.bili.util import (
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api_get,
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as_dict,
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as_list,
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build_songs_from_pages,
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build_songs_from_season_sections,
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clean_title,
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encode_uri_component,
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extract_aid,
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extract_bvid,
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fetch_page_list,
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fetch_season_archive_index,
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fetch_season_songs,
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fetch_view,
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map_limit,
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normalize_cover,
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to_number,
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)
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def _count_season_episodes(sections: list[Any]) -> int:
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count = 0
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for sec in sections or []:
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if isinstance(sec, dict):
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episodes = sec.get("episodes")
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count += len(episodes) if isinstance(episodes, list) else 0
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return count
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def _season_key(season_id: Any, mid: Any, bvid: str) -> str:
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return f"season:{season_id}:{mid}:{bvid}"
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def _bvid_key(bvid: str) -> str:
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return f"bvid:{bvid}"
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async def search_playlist(keyword: str, page: int = 1, limit: int = 20) -> dict[str, Any]:
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"""搜索合集/多分P（上游 SearchPlaylist；page/limit 为移植新增的翻页能力）。"""
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p = max(1, int(to_number(page)) or 1)
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size = min(max(1, int(to_number(limit)) or 20), 50)
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url = f"{SEARCH_URL}?search_type=video&keyword={encode_uri_component(keyword)}&page={p}&page_size={size}"
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resp = await api_get(url)
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body = resp.body
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if resp.status_code != 200 or not isinstance(body, dict):
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raise RuntimeError(f"B站歌单搜索失败（HTTP {resp.status_code}）")
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if body.get("code") != 0:
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message = body.get("message")
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raise RuntimeError(f"B站歌单搜索失败（{body.get('code')}{f': {message}' if message else ''}）")
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data = as_dict(body.get("data"))
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items = as_list(data.get("result"))
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seen: set[str] = set()
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async def one(item: Any, _index: int) -> dict[str, Any] | None:
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if not isinstance(item, dict) or not item.get("bvid"):
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return None
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view = await fetch_view(item["bvid"])
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cover = normalize_cover(item.get("pic") or view.get("pic") or "")
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owner = as_dict(view.get("owner"))
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season = as_dict(view.get("ugc_season")) or None
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if season:
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playlist_id = _season_key(season.get("id"), owner.get("mid"), str(item["bvid"]))
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if playlist_id in seen:
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return None
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seen.add(playlist_id)
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sections = as_list(season.get("sections"))
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track_count = _count_season_episodes(sections)
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if not track_count and season.get("id") and owner.get("mid"):
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try:
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track_count = len(await fetch_season_songs(owner.get("mid"), season.get("id")))
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except Exception: # noqa: BLE001 - 上游 fetchSeasonSongs 失败同样保持 trackCount 0
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pass
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stat = as_dict(season.get("stat"))
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return {
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"id": playlist_id,
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"name": str(season.get("title") or clean_title(item.get("title"))),
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"cover": normalize_cover(season.get("cover")) or cover,
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"trackCount": track_count,
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"playCount": int(to_number(stat.get("view"))) or None,
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"creator": str(owner.get("name") or item.get("author") or ""),
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"description": str(season.get("intro") or ""),
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"link": f"https://www.bilibili.com/video/{item['bvid']}",
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"source": "bili",
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}
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pages = as_list(view.get("pages"))
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if len(pages) > 1:
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playlist_id = _bvid_key(str(item["bvid"]))
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if playlist_id in seen:
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return None
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seen.add(playlist_id)
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return {
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"id": playlist_id,
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"name": clean_title(item.get("title")),
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"cover": cover,
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"trackCount": len(pages),
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"creator": str(owner.get("name") or item.get("author") or ""),
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"description": "",
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"link": f"https://www.bilibili.com/video/{item['bvid']}",
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"source": "bili",
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}
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return None
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result = await map_limit(items, 4, one)
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result_list = [item for item in result if item]
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return {"list": result_list, "page": p, "limit": size, "total": len(result_list), "source": "bili"}
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async def _detail_from_bvid(bvid: str) -> dict[str, Any]:
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"""由 bvid 构造歌单详情（上游 GetPlaylistSongs 的 bvid 分支 + ParsePlaylist 的元数据）。"""
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view = await fetch_view(bvid)
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real_bvid = str(view.get("bvid") or bvid)
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pages = as_list(view.get("pages"))
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if len(pages) <= 1:
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try:
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page_list = await fetch_page_list(real_bvid)
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except Exception: # noqa: BLE001 - 分P列表接口失败按上游语义忽略
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page_list = []
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if page_list:
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pages = page_list
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if not pages:
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raise RuntimeError("未找到视频分P")
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owner = as_dict(view.get("owner"))
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songs = build_songs_from_pages(
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real_bvid, str(view.get("title") or ""), str(owner.get("name") or ""), str(view.get("pic") or ""), pages
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)
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return {
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"info": {
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"name": str(view.get("title") or real_bvid),
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"img": normalize_cover(view.get("pic") or ""),
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"desc": str(view.get("desc") or ""),
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"author": str(owner.get("name") or ""),
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},
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"songs": songs,
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}
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async def _detail_from_season(season_id: str, mid: str, bvid: str) -> dict[str, Any]:
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"""由 ``season:<season_id>:<mid>:<bvid>`` 构造歌单详情（上游 GetPlaylistSongs 的 season 分支）。"""
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info: dict[str, Any] = {"name": "", "img": "", "desc": "", "author": ""}
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songs: list[dict[str, Any]] = []
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if bvid:
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view = await fetch_view(bvid)
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season = as_dict(view.get("ugc_season")) or None
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if season:
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archive_index: dict[str, dict[str, Any]] = {}
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season_title = str(season.get("title") or "")
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season_cover = str(season.get("cover") or "")
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# 上游会先拉 archive 索引补全缺失字段；该接口现已 404，失败时按空索引继续
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try:
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idx = await fetch_season_archive_index(mid, season_id)
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except Exception: # noqa: BLE001
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idx = None
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if idx:
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archive_index = idx["index"]
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season_title = season_title or idx["title"]
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season_cover = season_cover or idx["cover"]
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owner = as_dict(view.get("owner"))
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songs = build_songs_from_season_sections(
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as_list(season.get("sections")),
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season_title,
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season_cover,
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str(owner.get("name") or ""),
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archive_index,
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)
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info = {
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"name": season_title or str(view.get("title") or ""),
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"img": normalize_cover(season_cover or view.get("pic") or ""),
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"desc": str(season.get("intro") or ""),
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"author": str(owner.get("name") or ""),
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}
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if not songs:
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songs = await fetch_season_songs(mid, season_id)
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if not info["name"]:
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try:
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idx = await fetch_season_archive_index(mid, season_id)
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except Exception: # noqa: BLE001
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idx = None
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if idx:
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info = {**info, "name": idx["title"] or "", "img": normalize_cover(idx["cover"] or "")}
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if not songs:
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raise RuntimeError("合集为空或合集接口不可用")
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return {"info": info, "songs": songs}
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async def _resolve_id(playlist_id: str) -> dict[str, Any]:
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"""解析 id（兼容链接/裸 BV/av/bvid: 前缀）。"""
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raw = str(playlist_id or "").strip()
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if re.match(r"^https?:", raw, re.IGNORECASE):
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return {"kind": "link", "value": raw}
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if re.match(r"^season:", raw, re.IGNORECASE):
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return {"kind": "season", "value": raw, "parts": raw.split(":")}
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# 注意先去 `bvid:` 前缀再提 BV：大小写不敏感的 BV 匹配会把前缀 "bvid" 本身当成 BV 号
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bvid = extract_bvid(re.sub(r"^bvid:", "", raw, flags=re.IGNORECASE))
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if bvid:
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return {"kind": "bvid", "value": bvid}
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aid = extract_aid(raw)
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if aid:
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view = await fetch_view(aid)
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real_bvid = str(view.get("bvid") or "")
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if not real_bvid:
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raise RuntimeError("未找到视频 BV 号")
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return {"kind": "bvid", "value": real_bvid}
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raise RuntimeError("无效的歌单 id（支持 season:<season_id>:<mid>:<bvid>、bvid:<bvid> 或 BV 号/链接）")
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def _page_slice(detail: dict[str, Any], page: Any, limit: Any) -> dict[str, Any]:
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p = max(1, int(to_number(page)) or 1)
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size = min(max(1, int(to_number(limit)) or 100), 10000)
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songs = detail["songs"]
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return {
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"source": "bili",
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"info": detail["info"],
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"list": songs[(p - 1) * size : p * size],
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"page": p,
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"limit": size,
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"total": len(songs),
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}
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async def get_playlist_detail(playlist_id: str, page: int = 1, limit: int = 100) -> dict[str, Any]:
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"""歌单详情（契约键 playlist.get_playlist_detail）。"""
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target = await _resolve_id(playlist_id)
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if target["kind"] == "link":
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return await parse_playlist_link(target["value"])
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if target["kind"] == "season":
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parts = target.get("parts") or []
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if len(parts) < 3:
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raise RuntimeError("无效的合集 id")
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bvid = parts[3] if len(parts) > 3 else ""
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return _page_slice(await _detail_from_season(parts[1], parts[2], bvid), page, limit)
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return _page_slice(await _detail_from_bvid(target["value"]), page, limit)
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async def get_playlist_songs(playlist_id: str) -> list[dict[str, Any]]:
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"""上游 GetPlaylistSongs 的等价导出（只返回歌曲数组）。"""
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detail = await get_playlist_detail(playlist_id, 1, 10000)
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return detail["list"]
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async def parse_playlist_link(link: str) -> dict[str, Any]:
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"""解析合集/多分P链接（上游 ParsePlaylist；返回详情对象，list 为全量）。"""
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raw = str(link or "").strip()
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bvid = extract_bvid(re.sub(r"^bvid:", "", raw, flags=re.IGNORECASE))
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if not bvid:
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aid = extract_aid(raw)
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if not aid:
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raise RuntimeError("无效的B站歌单链接：未找到 BV/av 号")
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view = await fetch_view(aid)
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return await _parse_playlist_view(str(view.get("bvid") or ""), view)
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view = await fetch_view(bvid)
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return await _parse_playlist_view(bvid, view)
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async def _parse_playlist_view(bvid: str, view: dict[str, Any]) -> dict[str, Any]:
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owner = as_dict(view.get("owner"))
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season = as_dict(view.get("ugc_season")) or None
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if season:
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playlist_id = _season_key(season.get("id"), owner.get("mid"), bvid)
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detail = await _detail_from_season(
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str(season.get("id")), str(owner.get("mid") if owner.get("mid") is not None else ""), bvid
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)
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sections = as_list(season.get("sections"))
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track_count = _count_season_episodes(sections)
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if not track_count:
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track_count = len(detail["songs"])
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stat = as_dict(season.get("stat"))
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return {
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"source": "bili",
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"id": playlist_id,
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"info": {
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**detail["info"],
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"trackCount": track_count,
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"playCount": int(to_number(stat.get("view"))) or None,
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},
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"list": detail["songs"],
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"page": 1,
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"limit": max(len(detail["songs"]), 1),
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"total": len(detail["songs"]),
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}
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detail = await _detail_from_bvid(bvid)
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return {
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"source": "bili",
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"id": _bvid_key(bvid),
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"info": {**detail["info"], "trackCount": len(detail["songs"])},
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"list": detail["songs"],
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"page": 1,
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"limit": max(len(detail["songs"]), 1),
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"total": len(detail["songs"]),
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}
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async def get_categories() -> dict[str, Any]:
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"""上游 GetPlaylistCategories 返回 ErrPlaylistCategoriesUnsupported。"""
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raise RuntimeError("B站不支持歌单分类（上游未实现）")
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async def get_category_playlists(_category_id: str, _page: int = 1, _limit: int = 20) -> dict[str, Any]:
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"""上游 GetCategoryPlaylists 返回 ErrPlaylistCategoriesUnsupported。"""
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raise RuntimeError("B站不支持歌单分类（上游未实现）")
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