b41ab0ad25
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014Typ5sXWNMFirr2va2uL8o
16 lines
678 B
Python
16 lines
678 B
Python
"""Резервная копия файла базы перед пакетом с записями в Jira: VACUUM INTO даёт согласованный снимок при WAL."""
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from datetime import datetime
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from pathlib import Path
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def make_backup(conn, backups_dir: Path, label: str, keep: int = 30) -> Path:
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backups_dir = Path(backups_dir)
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backups_dir.mkdir(parents=True, exist_ok=True)
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target = backups_dir / f"{datetime.now():%Y%m%d-%H%M%S-%f}-{label}.sqlite"
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conn.execute("VACUUM INTO ?", (str(target),))
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files = sorted(backups_dir.glob("*.sqlite"))
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if keep > 0:
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for old in files[:-keep]:
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old.unlink()
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return target
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