deluge/deluge/ui/translations_util.py
2018-09-14 16:06:06 +01:00

138 lines
4.4 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (C) 2007,2008 Andrew Resch <andrewresch@gmail.com>
#
# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
# the additional special exception to link portions of this program with the OpenSSL library.
# See LICENSE for more details.
#
from __future__ import unicode_literals
import gettext
import locale
import logging
import os
import sys
from six.moves import builtins
import deluge.common
log = logging.getLogger(__name__)
log.addHandler(logging.NullHandler()) # Silence: No handlers could be found for logger "deluge.util.lang"
def set_dummy_trans(warn_msg=None):
def _func(*txt):
if warn_msg:
log.warning('"%s" has been marked for translation, but translation is unavailable.', txt[0])
return txt[0]
builtins.__dict__['_'] = _func
builtins.__dict__['ngettext'] = builtins.__dict__['_n'] = _func
def get_translations_path():
"""Get the absolute path to the directory containing translation files"""
return deluge.common.resource_filename('deluge', 'i18n')
def get_languages():
from deluge.ui import languages # Import here so that gettext has been setup first
lang = []
translations_path = get_translations_path()
for root, dirs, files in os.walk(translations_path):
# Get the dirs
lang_dirs = dirs
break
else:
return lang
for i, lang_code in enumerate(lang_dirs):
name = '%s (Language name missing)' % lang_code
if lang_code in languages.LANGUAGES:
name = languages.LANGUAGES[lang_code]
lang.append([lang_code, name])
lang = sorted(lang, key=lambda l: l[1])
return lang
def set_language(lang):
"""
Set the language to use.
gettext and GtkBuilder will load the translations from the specified
language.
:param lang: the language, e.g. "en", "de" or "en_GB"
:type lang: str
"""
# Necessary to set these environment variables for GtkBuilder
deluge.common.set_env_variable('LANGUAGE', lang) # Windows/Linux
deluge.common.set_env_variable('LANG', lang) # For OSX
translations_path = get_translations_path()
try:
ro = gettext.translation('deluge', localedir=translations_path, languages=[lang])
ro.install()
except IOError as ex:
log.warning('IOError when loading translations: %s', ex)
# Initialize gettext
def setup_translations(setup_gettext=True, setup_pygtk=False):
translations_path = get_translations_path()
domain = 'deluge'
log.info('Setting up translations from %s', translations_path)
if setup_pygtk:
try:
log.info('Setting up GTK translations from %s', translations_path)
if deluge.common.windows_check():
import ctypes
try:
libintl = ctypes.cdll.intl
except WindowsError:
# Fallback to named dll.
libintl = ctypes.cdll.LoadLibrary('libintl-8.dll')
libintl.bindtextdomain(domain, translations_path.encode(sys.getfilesystemencoding()))
libintl.textdomain(domain)
libintl.bind_textdomain_codeset(domain, 'UTF-8')
libintl.gettext.restype = ctypes.c_char_p
# Use glade for plugins that still uses it
import gtk
import gtk.glade
gtk.glade.bindtextdomain(domain, translations_path)
gtk.glade.textdomain(domain)
except Exception as ex:
log.error('Unable to initialize glade translation: %s', ex)
if setup_gettext:
try:
if hasattr(locale, 'bindtextdomain'):
locale.bindtextdomain(domain, translations_path)
if hasattr(locale, 'textdomain'):
locale.textdomain(domain)
gettext.bindtextdomain(domain, translations_path)
gettext.bind_textdomain_codeset(domain, 'UTF-8')
gettext.textdomain(domain)
# Workaround for Python 2 unicode gettext (keyword removed in Py3).
kwargs = {} if not deluge.common.PY2 else {'unicode': True}
gettext.install(domain, translations_path, names='ngettext', **kwargs)
builtins.__dict__['_n'] = builtins.__dict__['ngettext']
except Exception as ex:
log.error('Unable to initialize gettext/locale!')
log.exception(ex)
set_dummy_trans()
deluge.common.translate_size_units()