/usr/lib/python2.7/dist-packages/horizon/templatetags/sizeformat.py is in python-django-horizon 1:2014.1.5-0ubuntu2.1.
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# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 Nebula, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
Template tags for displaying sizes
"""
from django import template
from django.utils import formats
from django.utils import translation
register = template.Library()
def int_format(value):
return int(value)
def float_format(value):
return formats.number_format(round(value, 1), 1)
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))
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')
def mbformat(mb):
return float_cast_filesizeformat(mb, 1024 * 1024, int_format)
@register.filter(name='mb_float_format')
def mb_float_format(mb):
return float_cast_filesizeformat(mb, 1024 * 1024, float_format)
@register.filter(name='diskgbformat')
def diskgbformat(gb):
return float_cast_filesizeformat(gb, 1024 * 1024 * 1024, float_format)
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