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# coding=utf-8
#
# Copyright (C) 2010 Nick Drobchenko, nick@cnc-club.ru
# Copyright (C) 2005 Aaron Spike, aaron@ekips.org
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
"""
Allow extensions to translate messages.
"""
import gettext
import os
# Get gettext domain and matching locale directory for translation of extensions strings
# (both environment variables are set by Inkscape)
GETTEXT_DOMAIN = os.environ.get('INKEX_GETTEXT_DOMAIN')
GETTEXT_DIRECTORY = os.environ.get('INKEX_GETTEXT_DIRECTORY')
# INKSCAPE_LOCALEDIR can be used to override the default locale directory Inkscape uses
INKSCAPE_LOCALEDIR = os.environ.get('INKSCAPE_LOCALEDIR')
def localize(domain=GETTEXT_DOMAIN, localedir=GETTEXT_DIRECTORY):
"""Configure gettext and install _() function into builtins namespace for easy access"""
# Do not enable translation if GETTEXT_DOMAIN is unset.
# This is the case when translationdomain="none", but also when no catalog was found.
# Install a NullTranslation just to be sure (so we do not get errors about undefined '_')
if domain is None:
gettext.NullTranslations().install()
return
# Use the default system locale by default,
# but prefer LANGUAGE environment variable (which is set by Inkscape according to UI language)
languages = None
trans = gettext.translation(domain, localedir, languages, fallback=True)
trans.install()
def inkex_localize():
"""
Return internal Translations instance for translation of the inkex module itself
Those will always use the 'inkscape' domain and attempt to lookup the same catalog Inkscape uses
"""
domain = 'inkscape'
localedir = INKSCAPE_LOCALEDIR
languages = None
return gettext.translation(domain, localedir, languages, fallback=True)
inkex_gettext = inkex_localize().gettext # pylint: disable=invalid-name
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