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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snowy-yang committed 2026-09-26 12:37:48 +08:00
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# -*- coding: utf-8 -*-
"""站点认证与管理系统
提供网站级用户体系:
- 用户注册(邮箱验证码)/ 登录 / 登出 / 注册即赠下载次数(试用领取已并入注册)
- 按次计费(一首歌 = 1 次)、卡密(次数卡)充值
- 管理员后台:用户管理 / SMTP 配置 / 卡密生成 / 公告 / 日志 / 数据库备份
- 接口装饰器:login_required(强制登录 + 按次扣费)/ admin_required(仅管理员)
数据存储:SQLite(data/site.db),会话:Flask 签名 Cookie(secret_key 持久化)
"""
# 兼容门面:实现已按职责拆分到同包各子模块,此处原样再导出。
# 用 `__all__` 声明再导出(ruff F401 与 pyright 均据此认定「有意再导出」),
# 使既有调用点(auth_system.xxx / from auth_system import Y)零改动。
from .backup import (
_BACKUP_ERR_TS,
_BACKUP_NAME_LOCK,
_auto_backup_loop,
_backup_is_valid_db,
_backup_thread_started,
_before_restore_hook,
backup_path,
create_backup,
delete_backup,
list_backups,
prune_backups,
register_before_restore_hook,
restore_backup,
start_auto_backup,
)
from .cards import (
delete_card,
generate_cards,
list_cards,
redeem_card,
set_card_disabled,
)
from .credits import (
add_credits,
charge_credits,
format_credits,
refund_credits,
reserve_credits,
)
from .db import (
_DB_LOCK,
BACKUP_DIR,
DATA_DIR,
DB_PATH,
DEFAULT_ADMIN_USER,
DEFAULT_REGISTER_CREDITS,
SECRET_KEY_PATH,
SESSION_KEY,
_q,
_x,
get_conn,
get_secret_key,
init_db,
)
from .geo import (
_PROVINCE_CACHE,
PROVINCE_BAN_LIMIT,
PROVINCE_WINDOW,
_is_private_ip,
query_ip_province,
record_login_location,
)
from .ledger import (
ledger_cleanup_settled,
ledger_get,
ledger_open,
ledger_recover_orphans,
ledger_rename,
ledger_settle,
ledger_supplement,
reserve_and_open,
)
from .logs import (
_LOG_WRITE_COUNTER,
add_log,
clear_logs,
query_logs,
)
from .mail import (
_CODE_EMAIL_TEMPLATES,
_CODE_FAILS,
_CODE_FAILS_MAX,
_CODE_PURPOSES,
_EMAIL_SENT_24H,
_SMTP_ENC_PREFIX,
_code_fails_trim,
_smtp_connect,
_smtp_password_decrypt,
_smtp_password_encrypt,
check_verify_code,
get_smtp_config,
restore_verify_code,
save_smtp_config,
send_email,
send_verify_code,
smtp_configured,
)
from .security import (
_PBKDF2_ITERS,
_hash,
_hash_new,
_normalize_email,
_verify_password,
)
from .settings import (
get_announcement,
get_setting,
save_announcement,
set_setting,
)
from .users import (
_last_province,
_user_public,
ban_user,
create_user,
delete_user,
device_used,
get_user_by_email,
get_user_by_id,
get_user_by_name,
list_users,
register_ip_exceeded,
reset_password,
set_user_credits,
set_user_netease_cookie,
set_user_password,
set_user_status,
unban_user,
verify_login,
)
__all__ = [
'BACKUP_DIR',
'DATA_DIR',
'DB_PATH',
'DEFAULT_ADMIN_USER',
'DEFAULT_REGISTER_CREDITS',
'PROVINCE_BAN_LIMIT',
'PROVINCE_WINDOW',
'SECRET_KEY_PATH',
'SESSION_KEY',
'_BACKUP_ERR_TS',
'_BACKUP_NAME_LOCK',
'_CODE_EMAIL_TEMPLATES',
'_CODE_FAILS',
'_CODE_FAILS_MAX',
'_CODE_PURPOSES',
'_DB_LOCK',
'_EMAIL_SENT_24H',
'_LOG_WRITE_COUNTER',
'_PBKDF2_ITERS',
'_PROVINCE_CACHE',
'_SMTP_ENC_PREFIX',
'_auto_backup_loop',
'_backup_is_valid_db',
'_backup_thread_started',
'_before_restore_hook',
'_code_fails_trim',
'_hash',
'_hash_new',
'_is_private_ip',
'_last_province',
'_normalize_email',
'_q',
'_smtp_connect',
'_smtp_password_decrypt',
'_smtp_password_encrypt',
'_user_public',
'_verify_password',
'_x',
'add_credits',
'add_log',
'backup_path',
'ban_user',
'charge_credits',
'check_verify_code',
'clear_logs',
'create_backup',
'create_user',
'delete_backup',
'delete_card',
'delete_user',
'device_used',
'format_credits',
'generate_cards',
'get_announcement',
'get_conn',
'get_secret_key',
'get_setting',
'get_smtp_config',
'get_user_by_email',
'get_user_by_id',
'get_user_by_name',
'init_db',
'ledger_cleanup_settled',
'ledger_get',
'ledger_open',
'ledger_recover_orphans',
'ledger_rename',
'ledger_settle',
'ledger_supplement',
'list_backups',
'list_cards',
'list_users',
'prune_backups',
'query_ip_province',
'query_logs',
'record_login_location',
'redeem_card',
'refund_credits',
'register_before_restore_hook',
'register_ip_exceeded',
'reserve_and_open',
'reserve_credits',
'reset_password',
'restore_backup',
'restore_verify_code',
'save_announcement',
'save_smtp_config',
'send_email',
'send_verify_code',
'set_card_disabled',
'set_setting',
'set_user_credits',
'set_user_netease_cookie',
'set_user_password',
'set_user_status',
'smtp_configured',
'start_auto_backup',
'unban_user',
'verify_login',
]