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refactor: 拆分 4 个巨石模块为包,清理过时注释并删除作废文档
为什么:单文件 1100~1900 行的巨石模块让「改一处要通读全文」;同时注释里残留 大量已删台账的编号,以及「Flask/FastAPI 双栈迁移期」这类已失实的架构描述, 会误导后来者按不复存在的架构去改代码。 拆分(对外导入路径不变,行为零变更): - music_downloader.py -> music_downloader/(models/downloader/cover/_http/_log/_concurrency) - auth_system.py -> auth_system/(db/security/users/credits/ledger/mail/cards/backup...) - music_api.py -> music_api/(api/client/crypto/qr/cookies/compat/constants/errors) - services/runtime.py -> services/(api_service/_shared/_taskcore/downloads/batch/podcast/ streaming/tasks);services/runtime.py 保留为兼容门面 兼容性做法:各包用 __init__.py 以 __all__ 原样再导出全部符号,既有调用点 (auth_system.xxx / services.xxx / from music_api import Y)零改动;路径常量改为经包属性 动态读取(auth_system.DB_PATH),否则测试的 monkeypatch 会静默失效并写到生产库。 修复 9 处代码损伤(上一轮注释清理把 `()` 当「空括号残留」删掉所致;用「与拆分前逐字 等价」校验逐一定位,静态检查只会报出其中 4 处): - core/config.py ).strip() or '*' - core/state.py threading.Lock() x2 - qr_login.py datetime.now() / .strip() - music_downloader/downloader.py .lower() - services/podcast.py set() / time.time() x2 清理与删除: - 删除 部署文档.md / 功能介绍.md / README_私有包警告.txt - 清理指向已删台账与文档的过时编号注释;把「迁移期 / 两栈 / 双框架 / 已迁移」等 失实描述改写为现状描述(保留 `<-> Flask /path` 映射表等仍有价值的契约来源说明) - _mkpkg.py:公开包剔除清单去掉已不存在的文档名;私有包警告改为自包含 - pyproject.toml:补 pythonpath = ["."],使裸跑 pytest 不再 import core 失败 验证:ruff 全通过;pyright 0 errors / 0 warnings(102 文件);pytest 144 passed; 真实 uvicorn 冒烟 6 条路由符合预期且生产 data/ 指纹未变;忽略注释的逐字等价性校验通过。
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# -*- coding: utf-8 -*-
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"""命令行入口(python -m music_downloader)。"""
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from __future__ import annotations
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from .downloader import (
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MusicDownloader,
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)
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from .models import (
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DownloadException,
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)
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# ============ CLI 入口 ============
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if __name__ == "__main__":
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import sys
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from dataclasses import asdict
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downloader = MusicDownloader()
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# 无参数:打印模块信息
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if len(sys.argv) < 2:
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print("网易云音乐下载器")
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print(f"ffmpeg 路径: {downloader.ffmpeg_path or '未找到'}")
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print("支持的音质: standard / exhigh / lossless / hires / sky / jyeffect / jymaster / dolby")
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print("支持的功能: 同步/批量下载、ffmpeg 元数据写入")
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print()
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print("用法:")
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print(" python music_downloader.py <music_id> [quality] # 仅打印信息")
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print(" python music_downloader.py <music_id> [quality] --download # 打印并下载")
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print()
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print("示例:")
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print(" python music_downloader.py 123456")
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print(" python music_downloader.py 123456 lossless")
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print(" python music_downloader.py 123456 hires --download")
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sys.exit(0)
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# 解析参数
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try:
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music_id = int(sys.argv[1])
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except ValueError:
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print(f"错误: music_id 必须是整数,收到: {sys.argv[1]!r}")
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sys.exit(1)
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quality = sys.argv[2] if len(sys.argv) > 2 and not sys.argv[2].startswith("--") else "lossless"
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do_download = "--download" in sys.argv
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# 打印音乐信息
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try:
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info = downloader.get_music_info(music_id, quality)
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except DownloadException as e:
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print(f"获取音乐信息失败: {e}")
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sys.exit(1)
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print()
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print("=" * 70)
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print(f"音乐信息 (ID={info.id}, quality={info.quality})")
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print("=" * 70)
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info_dict = asdict(info)
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for key, value in info_dict.items():
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# 歌词太长,只显示行数
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if key in ("lyric", "tlyric"):
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lines = [ln for ln in (value or "").splitlines() if ln.strip()]
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preview = " | ".join(lines[:2])[:80] if lines else "(空)"
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print(f" {key:<14}: {len(lines)} 行 预览: {preview}{'...' if len(lines) > 2 else ''}")
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continue
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# URL 类字段:完整展示(如果终端窄可换行)
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if key in ("download_url", "pic_url"):
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print(f" {key:<14}: {value}")
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continue
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print(f" {key:<14}: {value}")
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print("=" * 70)
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# 可选:触发下载
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if do_download:
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print()
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print("开始下载...")
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result = downloader.download_music_file(music_id, quality)
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if result.success:
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print(f"下载完成: {result.file_path} ({result.file_size} 字节)")
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else:
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print(f"下载失败: {result.error_message}")
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sys.exit(1)
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