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49 lines
1.1 KiB
Python
49 lines
1.1 KiB
Python
from __future__ import division
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def humanize_bytes(n, precision=2):
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# Author: Doug Latornell
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# Licence: MIT
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# URL: http://code.activestate.com/recipes/577081/
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"""Return a humanized string representation of a number of bytes.
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Assumes `from __future__ import division`.
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>>> humanize_bytes(1)
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'1 B'
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>>> humanize_bytes(1024, precision=1)
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'1.0 kB'
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>>> humanize_bytes(1024 * 123, precision=1)
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'123.0 kB'
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>>> humanize_bytes(1024 * 12342, precision=1)
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'12.1 MB'
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>>> humanize_bytes(1024 * 12342, precision=2)
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'12.05 MB'
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>>> humanize_bytes(1024 * 1234, precision=2)
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'1.21 MB'
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>>> humanize_bytes(1024 * 1234 * 1111, precision=2)
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'1.31 GB'
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>>> humanize_bytes(1024 * 1234 * 1111, precision=1)
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'1.3 GB'
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"""
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abbrevs = [
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(1 << 50, 'PB'),
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(1 << 40, 'TB'),
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(1 << 30, 'GB'),
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(1 << 20, 'MB'),
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(1 << 10, 'kB'),
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(1, 'B')
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]
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if n == 1:
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return '1 B'
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for factor, suffix in abbrevs:
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if n >= factor:
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break
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# noinspection PyUnboundLocalVariable
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return '%.*f %s' % (precision, n / factor, suffix)
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