16 lines
448 B
Python
16 lines
448 B
Python
import os
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def format_size(size_bytes):
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"""格式化文件大小为人类可读的形式"""
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for unit in ['B', 'KB', 'MB', 'GB', 'TB']:
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if size_bytes < 1024:
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return f"{size_bytes:.2f} {unit}"
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size_bytes /= 1024
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return f"{size_bytes:.2f} PB"
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def ensure_directory_exists(directory):
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"""确保目录存在，如果不存在则创建"""
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if not os.path.exists(directory):
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os.makedirs(directory)
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