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OpenStack Study: sizeformat.py

OpenStack Index

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def int_format(value):

return int(value)

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def float_format(value):

return formats.number_format(round(value, 1), 1)

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def filesizeformat(bytes, filesize_number_format):

try:

bytes = float(bytes)

except (TypeError, ValueError, UnicodeDecodeError):

return translation.ungettext_lazy("%(size)d Byte",

"%(size)d Bytes", 0) % {'size': 0}

if bytes < 1024:

bytes = int(bytes)

return translation.ungettext_lazy("%(size)d Byte",

"%(size)d Bytes", bytes) % {'size': bytes}

if bytes < 1024 * 1024:

return translation.ugettext_lazy("%s KB") % \

filesize_number_format(bytes / 1024)

if bytes < 1024 * 1024 * 1024:

return translation.ugettext_lazy("%s MB") % \

filesize_number_format(bytes / (1024 * 1024))

if bytes < 1024 * 1024 * 1024 * 1024:

return translation.ugettext_lazy("%s GB") % \

filesize_number_format(bytes / (1024 * 1024 * 1024))

if bytes < 1024 * 1024 * 1024 * 1024 * 1024:

return translation.ugettext_lazy("%s TB") % \

filesize_number_format(bytes / (1024 * 1024 * 1024 * 1024))

return translation.ugettext_lazy("%s PB") % \

filesize_number_format(bytes / (1024 * 1024 * 1024 * 1024 * 1024))

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def float_cast_filesizeformat(value, multiplier=1, format=int_format):

try:

value = float(value)

value = filesizeformat(value * multiplier, format).replace(' ', '')

except (TypeError, ValueError):

value = value or '0 bytes'

return value

@register.filter(name='mbformat')

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def mbformat(mb):

return float_cast_filesizeformat(mb, 1024 * 1024, int_format)

@register.filter(name='mb_float_format')

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def mb_float_format(mb):

return float_cast_filesizeformat(mb, 1024 * 1024, float_format)

@register.filter(name='diskgbformat')

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def diskgbformat(gb):

return float_cast_filesizeformat(gb, 1024 * 1024 * 1024, float_format)