15 lines
417 B
Python
15 lines
417 B
Python
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from __future__ import annotations
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import shutil
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from datetime import datetime
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from pathlib import Path
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def backup_file(source: Path, backup_dir: Path) -> None:
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if not source.exists():
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return
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backup_dir.mkdir(parents=True, exist_ok=True)
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timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
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target = backup_dir / f"{source.stem}_{timestamp}{source.suffix}"
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shutil.copy2(source, target)
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