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[humansize.py]
SUFFIXES = {1000: ['KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],
1024: ['KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB']}
def approximate_size(size, a_kilobyte_is_1024_bytes=True):
''' .
:
size --
a_kilobyte_is_1024_bytes -- True ( ), 1024
False, 1000
: (string)
'''
if size < 0:
raise ValueError(' ')
multiple = 1024 if a_kilobyte_is_1024_bytes else 1000
for suffix in SUFFIXES[multiple]:
size /= multiple
if size < multiple:
return '{0:.1f} {1}'.format(size, suffix)
raise ValueError(' ')
if __name__ == '__main__':
print(approximate_size(1000000000000, False))
print(approximate_size(1000000000000))
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. Windows :
c:\home\diveintopython3\examples> c:\python31\python.exe humansize.py
1.0 TB
931.3 GiB
Mac OS X Linux, :
you@localhost:~/diveintopython3/examples$ python3 humansize.py
1.0 TB
931.3 GiB
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