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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commit 6288a98ecc
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# -*- coding: utf-8 -*-
"""后台审计日志。
(自 auth_system.py 拆出,行为与原实现一致。)
"""
import time
from .db import (
_DB_LOCK,
_q,
_x,
get_conn,
)
# ============ 日志 ============
# 日志裁剪计数器(原实现用 secrets.randbelow 触发——密码学随机数浪费熵池)
_LOG_WRITE_COUNTER = {'n': 0}
def add_log(log_type: str, username: str, ip: str, action: str, detail: str = '') -> None:
try:
_x('INSERT INTO logs (type, username, ip, action, detail, time) VALUES (?, ?, ?, ?, ?, ?)',
(log_type, username or '', ip or '-', action or '', detail or '',
time.strftime('%Y-%m-%d %H:%M:%S')))
# 控制日志表体积(每 50 次写入触发一次裁剪)
_LOG_WRITE_COUNTER['n'] += 1
if _LOG_WRITE_COUNTER['n'] % 50 == 0:
_x('DELETE FROM logs WHERE id NOT IN (SELECT id FROM logs ORDER BY id DESC LIMIT 5000)')
except Exception:
pass
def query_logs(log_type: str, limit: int = 100, offset: int = 0):
"""分页查询日志,返回 (日志列表, 总条数)"""
limit = max(1, min(int(limit), 500))
offset = max(0, int(offset))
rows = _q('SELECT * FROM logs WHERE type = ? ORDER BY id DESC LIMIT ? OFFSET ?',
(log_type, limit, offset))
total_row = _q('SELECT COUNT(*) AS c FROM logs WHERE type = ?', (log_type,))
total = int(total_row[0]['c']) if total_row else 0
return [dict(r) for r in rows], total
def clear_logs(log_type: str) -> int:
"""清除指定类型的全部日志,返回删除条数"""
with _DB_LOCK:
conn = get_conn()
try:
cur = conn.execute('DELETE FROM logs WHERE type = ?', (log_type,))
conn.commit()
return cur.rowcount
finally:
conn.close()