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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"""千千音乐（music.91q.com / 91q.com）公共请求层（对应 sdk/bd/util.ts）。
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上游全部接口都走 `/v1/*`，参数 = 业务参数 + appid + timestamp + sign：
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sign = md5(按 key 升序拼接 "k=v&..."（不含 sign）+ Secret)
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匿名即可搜索 / 查专辑 / 查歌单 / 拿免费曲目直链；cookie 只影响 VIP、收藏等登录态资源。
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**签名串与 query 必须分开编码**：sign 用参数原值拼接（服务端拿收到的参数值重算），
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query 用 `URLSearchParams` 序列化。两者共用同一份 `sign_params` 结果，且 URL 拼好后
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直接交给 `http_fetch`（不再二次序列化），这是历史上「签名串 ≠ 实际 body」踩过的坑。
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"""
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from __future__ import annotations
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import hashlib
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import math
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import re
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import time
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from typing import Any
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from app.sdk.auth_store import get_cookie
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from app.sdk.common.request import http_fetch
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from app.sdk.common.utils import size_formate
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APP_ID = "16073360"
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SECRET = "0b50b02fd0d73a9c4c8c3a781c30845f"
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USER_AGENT = (
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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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REFERER = "https://music.91q.com/player"
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API_BASE = "https://music.91q.com"
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# 上游音质档位顺序（3000 = flac，其余为 kbps）
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RATE_ORDER = ["3000", "320", "128", "64"]
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# URLSearchParams 不编码的字符集。与 Python quote 的默认安全字符不同：
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# URLSearchParams 保留 `*` 却编码 `~`，差一个字符服务端就验签失败，故自行实现。
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_FORM_SAFE = frozenset("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789*-._")
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# rateFileInfo 档位 → MusicServer 既有 Quality 桶（64k 不参与 types 展示，仅影响取流回退）
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_RATE_LABEL = {"128": "128k", "320": "320k", "3000": "flac"}
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# 上游 sanitizeQianqianAlbumKeyword 的特殊字符集
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_ALBUM_KEYWORD_SPECIALS = re.compile(r"""[:："'“”‘’()（）\[\]【】,，/\\\-.]""")
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def to_number(value: Any) -> float:
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"""JS `Number()` 语义：None(undefined) 与不可解析 → NaN，bool → 1/0，空串 → 0。"""
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if value is None:
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return math.nan
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if isinstance(value, bool):
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return 1.0 if value else 0.0
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if isinstance(value, (int, float)):
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return float(value)
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text = str(value).strip()
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if not text:
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return 0.0
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try:
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return float(text)
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except ValueError:
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return math.nan
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def num_or_zero(value: Any) -> float:
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"""`Number(value ?? 0)` 语义：缺失（null/undefined）视作 0，不可解析才是 NaN。"""
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return 0.0 if value is None else to_number(value)
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def to_int(value: Any, fallback: int = 0) -> int:
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"""`Number(value) || fallback` 语义：0 / NaN / 不可解析都落到 fallback。"""
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number = to_number(value)
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if not number or math.isnan(number):
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return fallback
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return int(number)
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def form_encode(value: Any) -> str:
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"""`new URLSearchParams(...).toString()` 的逐字节等价实现（空格写 `+`，其余按 UTF-8 编码）。"""
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out: list[str] = []
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for byte in str(value).encode("utf-8"):
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char = chr(byte)
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if char in _FORM_SAFE:
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out.append(char)
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elif char == " ":
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out.append("+")
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else:
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out.append(f"%{byte:02X}")
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return "".join(out)
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def get_qian_cookie() -> str:
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"""千千平台 cookie（未绑定返回空串；上游所有请求都会带上该 header，此处保持一致）。"""
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return get_cookie("bd")
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def request_headers() -> dict[str, str]:
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headers = {
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"User-Agent": USER_AGENT,
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"Referer": REFERER,
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"Accept": "application/json, text/plain, */*",
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}
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cookie = get_qian_cookie()
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if cookie:
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headers["Cookie"] = cookie
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return headers
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def sign_params(params: dict[str, Any]) -> dict[str, Any]:
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"""写入当前秒级时间戳，按 key 字典序拼串后追加 Secret 做 md5。"""
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signed: dict[str, Any] = {str(key): value for key, value in params.items()}
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signed["timestamp"] = str(int(time.time()))
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payload = "&".join(f"{key}={signed[key]}" for key in sorted(signed)) + SECRET
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signed["sign"] = hashlib.md5(payload.encode("utf-8")).hexdigest()
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return signed
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def signed_url(path: str, params: dict[str, Any]) -> str:
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"""签名后的完整 URL：签名用原值，query 用 URLSearchParams 等价编码。"""
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query = "&".join(f"{key}={form_encode(value)}" for key, value in sign_params(params).items())
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return f"{API_BASE}{path}?{query}"
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async def api_get(path: str, params: dict[str, Any]) -> Any:
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"""发起带签名的 GET，返回响应 JSON body（非 200 按原文案抛错）。"""
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resp = await http_fetch(signed_url(path, params), method="get", headers=request_headers(), timeout=15000)
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if resp.status_code != 200:
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raise RuntimeError(f"千千音乐接口失败（HTTP {resp.status_code}）")
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return resp.body if resp.body is not None else {}
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def api_ok(body: Any) -> bool:
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"""上游状态判定：state=true 或 errno=22000 视为成功。"""
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if not isinstance(body, dict):
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return False
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return body.get("state") is True or to_number(body.get("errno")) == 22000
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def error_text(body: Any, prefix: str) -> str:
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"""上游错误文案：errmsg 优先，缺失时拼 errno（两种文案都逐字沿用原实现）。"""
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if not isinstance(body, dict):
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return prefix
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message = str(body.get("errmsg") or "").strip()
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if message:
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return message
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return f"{prefix}（errno {body.get('errno')}）"
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async def track_link(tsid: str, rate: str) -> Any:
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"""tracklink 单档位请求（data 内含 path/format/rate/size；VIP 曲目无 path）。"""
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return await api_get("/v1/song/tracklink", {"TSID": tsid, "appid": APP_ID, "rate": rate})
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def interval_of(duration: Any) -> str | int:
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"""时间格式 mm:ss（duration 为秒；无效或 <=0 显示 0）。"""
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seconds = to_number(duration)
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if math.isnan(seconds) or seconds <= 0:
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return 0
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return f"{int(seconds // 60):02d}:{int(seconds % 60):02d}"
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def join_artists(artists: Any) -> str:
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"""千千歌手数组 → 展示名（优先 artistType=38 歌手；去重后以 、 连接）。"""
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if not isinstance(artists, list) or not artists:
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return ""
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names: list[str] = []
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seen: set[str] = set()
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def add(name: Any) -> None:
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text = "" if name is None else str(name).strip()
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if not text or text in seen:
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return
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seen.add(text)
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names.append(text)
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for item in artists:
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if isinstance(item, dict) and to_number(item.get("artistType")) == 38:
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add(item.get("name"))
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if not names:
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for item in artists:
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if isinstance(item, dict):
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add(item.get("name"))
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return "、".join(names)
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def normalize_album_asset_code(id: Any) -> str:
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"""上游 normalizeQianqianAlbumAssetCode：仅接受 p/P 开头（长度 >=2）并归一为大写 P。"""
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text = ("" if id is None else str(id)).strip()
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if len(text) < 2:
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return ""
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return f"P{text[1:]}" if text[0] in ("p", "P") else ""
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def sanitize_album_keyword(keyword: Any) -> str:
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"""上游 sanitizeQianqianAlbumKeyword：特殊字符替换为空格并折叠空白（23001 时重试用）。"""
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trimmed = ("" if keyword is None else str(keyword)).strip()
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if not trimmed:
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return ""
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return " ".join(part for part in _ALBUM_KEYWORD_SPECIALS.sub(" ", trimmed).split() if part)
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def first_non_empty(*values: Any) -> str:
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for value in values:
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text = "" if value is None else str(value).strip()
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if text:
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return text
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return ""
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def release_date10(raw: Any) -> str:
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"""上游 qianqianReleaseDate：只取前 10 位（YYYY-MM-DD）。"""
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text = ("" if raw is None else str(raw)).strip()
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return text[:10] if len(text) >= 10 else text
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def rate_stats(rate_file_info: Any, duration: float) -> dict[str, int]:
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"""上游 qianqianRateStats：从 rateFileInfo 取最高可用档位的文件大小与码率（kbps）。"""
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for rate in RATE_ORDER:
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info = rate_file_info.get(rate) if isinstance(rate_file_info, dict) else None
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if not isinstance(info, dict):
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continue
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size = to_number(info.get("size"))
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if not size > 0:
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continue
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if duration > 0:
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return {"size": int(size), "bitrate": int(size * 8 / 1000 / duration)}
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return {"size": int(size), "bitrate": 800 if rate == "3000" else int(rate)}
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return {"size": 0, "bitrate": 0}
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def rate_types(rate_file_info: Any) -> tuple[list[dict[str, Any]], dict[str, dict[str, Any]]]:
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"""rateFileInfo → 既有 Quality 桶的 types / _types。"""
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types: list[dict[str, Any]] = []
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type_map: dict[str, dict[str, Any]] = {}
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for rate in ("128", "320", "3000"):
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info = rate_file_info.get(rate) if isinstance(rate_file_info, dict) else None
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if not isinstance(info, dict):
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continue
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size = to_number(info.get("size"))
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if not size > 0:
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continue
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label = _RATE_LABEL[rate]
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size_text = size_formate(int(size))
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types.append({"type": label, "size": size_text})
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type_map[label] = {"size": size_text}
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return types, type_map
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def map_track(
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item: Any,
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*,
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album_id: str = "",
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album_name: str = "",
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img: str | None = None,
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singer: str = "",
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) -> dict[str, Any]:
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"""千千曲目字段 → MusicServer 统一 Song 形状。
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搜索用 TSID/albumAssetCode，专辑详情用 assetId（无 albumAssetCode，需外部补 albumId），
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歌单详情用 TSID + albumTitle + pic。
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注：上游 Search 会跳过 isVip != 0 的曲目；本实现保留它们并标记 payPlay，
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取流端对无直链的 VIP 曲目给出明确错误（路由可走外部音源/kw 兜底）。
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"""
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source = item if isinstance(item, dict) else {}
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duration = num_or_zero(source.get("duration"))
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stats = rate_stats(source.get("rateFileInfo"), duration)
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types, type_map = rate_types(source.get("rateFileInfo"))
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return {
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"songmid": first_non_empty(source.get("TSID"), source.get("assetId"), source.get("tsid")),
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"name": str(source.get("title") or "").strip(),
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"singer": first_non_empty(join_artists(source.get("artist")), singer),
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"albumId": first_non_empty(normalize_album_asset_code(source.get("albumAssetCode")), album_id),
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"albumName": first_non_empty(source.get("albumTitle"), album_name),
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"interval": interval_of(duration),
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"size": stats["size"] or 0,
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"bitrate": stats["bitrate"] or 0,
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"payPlay": num_or_zero(source.get("isVip")) != 0 or num_or_zero(source.get("isPaid")) != 0,
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"img": first_non_empty(source.get("pic"), img) or None,
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"lrc": None,
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"lrcx": "",
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"types": types,
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"_types": type_map,
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"source": "bd",
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}
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def song_link(tsid: str) -> str:
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return f"https://music.91q.com/song/{tsid}"
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def album_link(id: str) -> str:
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return f"https://music.91q.com/album/{id}"
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def playlist_link(id: str) -> str:
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return f"https://music.91q.com/songlist/{id}"
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