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# Authors: see git history
#
# Copyright (c) 2010 Authors
# Licensed under the GNU GPL version 3.0 or later. See the file LICENSE for details.
import gettext
import os
from typing import Callable, Tuple
from .utils import cache, get_resource_dir
# Use N_ to mark a string for translation but _not_ immediately translate it.
# reference: https://docs.python.org/3/library/gettext.html#deferred-translations
# Makefile configures pybabel to treat N_() the same as _()
def N_(message: str) -> str:
return message
def localize(languages=None) -> Tuple[Callable[[str], str], gettext.NullTranslations]:
locale_dir = get_resource_dir('locales')
global translation, _
translation = gettext.translation("inkstitch", locale_dir, fallback=True)
_ = translation.gettext
return (_, translation)
@cache
def get_languages():
"""return a list of languages configured by the user
I really wish gettext provided this as a function. Instead, we've duplicated
its code below.
"""
languages = []
for envar in ('LANGUAGE', 'LC_ALL', 'LC_MESSAGES', 'LANG'):
val = os.environ.get(envar)
if val:
languages = val.split(':')
break
if 'C' not in languages:
languages.append('C')
return languages
_, translation = localize()
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