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# localization.py -- Code to manage/help portage localization.
# Copyright 2004-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
import locale
import math
from portage import _encodings, _unicode_decode
# We define this to make the transition easier for us.
def _(mystr):
"""
Always returns unicode, regardless of the input type. This is
helpful for avoiding UnicodeDecodeError from __str__() with
Python 2, by ensuring that string format operations invoke
__unicode__() instead of __str__().
"""
return _unicode_decode(mystr)
def localization_example():
# Dict references allow translators to rearrange word order.
print(_("You can use this string for translating."))
print(_("Strings can be formatted with %(mystr)s like this.") % {"mystr": "VALUES"})
a_value = "value.of.a"
b_value = 123
c_value = [1, 2, 3, 4]
print(
_("A: %(a)s -- B: %(b)s -- C: %(c)s")
% {"a": a_value, "b": b_value, "c": c_value}
)
def localized_size(num_bytes):
"""
Return pretty localized size string for num_bytes size
(given in bytes). The output will be in kibibytes.
"""
# always round up, so that small files don't end up as '0 KiB'
num_kib = math.ceil(num_bytes / 1024)
try:
formatted_num = locale.format_string("%d", num_kib, grouping=True)
except UnicodeDecodeError:
# failure to decode locale data
formatted_num = str(num_kib)
return _unicode_decode(formatted_num, encoding=_encodings["stdio"]) + " KiB"
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