例如1232424 b在BT会显示1 M,1232424123 b会显示1 G
def fmtsize(n): |
02 | s = str(n) |
03 | size = s[-3:] |
04 | while len(s) > 3: |
05 | s = s[:-3] |
06 | size = '%s,%s' % (s[-3:], size) |
07 | if n > 999: |
08 | unit = ['B', 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'] |
09 | i = 1 |
10 | while i + 1 < len(unit) and (n >> 10) >= 999: |
11 | i += 1 |
12 | n >>= 10 |
13 | n /= (1 << 10) |
14 | size = '%s (%.0f %s)' % (size, n, unit[i]) |
15 | return size |
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