kairee
5c2ab7b187
Implement P1: seven-metric view snapshots, relation/stat fan snapshots, failure placeholders, resume by daily completion markers, Cookie login warnings, daily SQLite backups, Shanghai daily scheduling, and CLI snapshot/auth-check commands. Real read-only run captured 795/795 videos successfully over 1124s with a verified daily backup.
51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
# -*- coding: utf-8 -*-
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"""备份与保留期清理。"""
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from __future__ import annotations
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import time
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from pathlib import Path
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from ..database import Database
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def daily_backup_path(backup_dir: str | Path, stat_date: str) -> Path:
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compact = stat_date.replace("-", "")
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return Path(backup_dir) / f"app-{compact}.db"
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def backup_daily(
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db: Database,
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backup_dir: str | Path,
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stat_date: str,
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*,
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logger=None,
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) -> Path:
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target = daily_backup_path(backup_dir, stat_date)
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db.backup_to(target)
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if logger is not None:
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logger.info("backup.daily", path=str(target), stat_date=stat_date)
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return target
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def prune_daily_backups(
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backup_dir: str | Path,
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*,
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keep_days: int,
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now: float | None = None,
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) -> list[Path]:
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"""只清理 ``app-YYYYMMDD.db`` 日备份，不动迁移备份。"""
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target_dir = Path(backup_dir)
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if not target_dir.is_dir():
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return []
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cutoff = (time.time() if now is None else now) - keep_days * 86400
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removed: list[Path] = []
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for path in target_dir.glob("app-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].db"):
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try:
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if path.stat().st_mtime < cutoff:
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path.unlink()
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removed.append(path)
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except OSError:
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continue
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return removed
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