36 lines
1.4 KiB
Python
36 lines
1.4 KiB
Python
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"""Consistent SQLite + asset backup. Run: docker compose exec siteforge python -m app.backup"""
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import os
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import sqlite3
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import tempfile
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import zipfile
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from pathlib import Path
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from datetime import datetime, timezone
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from . import db
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def backup():
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db.init()
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storage=Path(db.DATA).resolve()
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path=storage/'backups'
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path.mkdir(exist_ok=True,parents=True)
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name='siteforge-backup-'+datetime.now(timezone.utc).strftime('%Y%m%d-%H%M%S')+'.zip'
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dest=path/name
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# SQLite online backup is consistent even when the DB uses WAL mode.
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with tempfile.TemporaryDirectory() as tmp:
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snapshot=Path(tmp)/'siteforge.sqlite3'
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with sqlite3.connect(db.DB_FILE) as source, sqlite3.connect(snapshot) as target:
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source.backup(target)
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with zipfile.ZipFile(dest,'w',compression=zipfile.ZIP_DEFLATED,compresslevel=5) as output:
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output.write(snapshot,'siteforge.sqlite3')
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for subdir in ('media','legacy','builds','archives'):
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root=storage/subdir
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if not root.is_dir():continue
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for file in root.rglob('*'):
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if file.is_file() and not file.is_symlink():
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output.write(file, file.relative_to(storage).as_posix())
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print(f'备份成功: {dest}')
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print('注意：备份文件仍在 Docker 数据卷内。请使用 docker compose cp 或其他方式再复制到外部设备。')
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return dest
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if __name__=='__main__':backup()
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