Python 格式化檔案大小 (轉換成 KB, MB, GB, TB)

woff

1. def format_bytes(size):
   
2.   # 2**10 = 1024
   
3.   power = 2 ** 10
   
4.   n = 0
   
5.   power_labels = {0: '', 1: 'K', 2: 'M', 3: 'G', 4: 'T'}
   
6.   while size > power:
   
7.     size /= power
   
8.     n += 1
   
9.   sizes = str(round(size,2))+""+ power_labels[n] + 'B'
   
10.   return sizes

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