列出目录下的所有文件大小（从大到小）

代码

import os


def format_size(size_in_bytes):
    if size_in_bytes < 1024:  # 小于1KB
        return f"{size_in_bytes} B"
    elif size_in_bytes < 1024 * 1024:  # 小于1MB
        size_in_kb = size_in_bytes / 1024
        return f"{size_in_kb:.2f} KB"
    elif size_in_bytes < 1024 * 1024 * 1024:  # 小于1GB
        size_in_mb = size_in_bytes / (1024 * 1024)
        return f"{size_in_mb:.2f} MB"
    else:  # 大于或等于1GB
        size_in_gb = size_in_bytes / (1024 * 1024 * 1024)
        return f"{size_in_gb:.2f} GB"


def get_dir_size(directory):
    total_size = 0
    for root, dirnames, filenames in os.walk(directory):
        for filename in filenames:
            filepath = os.path.join(root, filename)
            try:
                total_size += os.path.getsize(filepath)
            except OSError as e:
                print(f"无法访问文件 {filepath}: {e}")
    return total_size


def list_dir_sizes(directory):
    some = []
    for name in os.listdir(directory):
        path = os.path.join(directory, name)
        if os.path.isfile(path):
            size = os.path.getsize(path)
            one = name, size, "File"
        else:
            size = get_dir_size(path)
            one = name, size, "Dir"
        some.append(one)

    some.sort(key=lambda x: x[1], reverse=True)
    for one in some:
        print(format_size(one[1]).ljust(22), one[2].ljust(22), one[0])


if __name__ == "__main__":
    dir_path = r"E:\_pub\CosyVoice"
    list_dir_sizes(dir_path )

输出