# Created By: Virgil Dupras # Created On: 2010-06-23 # Copyright 2015 Hardcoded Software (http://www.hardcoded.net) # # This software is licensed under the "GPLv3" License as described in the "LICENSE" file, # which should be included with this package. The terms are also available at # http://www.gnu.org/licenses/gpl-3.0.html # Doing i18n with GNU gettext for the core text gets complicated, so what I do is that I make the # GUI layer responsible for supplying a tr() function. import locale import logging import os.path as op from .plat import ISLINUX _trfunc = None _trget = None installed_lang = None def tr(s, context=None): if _trfunc is None: return s else: if context: return _trfunc(s, context) else: return _trfunc(s) def trget(domain): # Returns a tr() function for the specified domain. if _trget is None: return lambda s: tr(s, domain) else: return _trget(domain) def set_tr(new_tr, new_trget=None): global _trfunc, _trget _trfunc = new_tr if new_trget is not None: _trget = new_trget def get_locale_name(lang): # Removed old conversion code as windows seems to support these LANG2LOCALENAME = { "cs": "cs_CZ", "de": "de_DE", "el": "el_GR", "en": "en", "es": "es_ES", "fr": "fr_FR", "hy": "hy_AM", "it": "it_IT", "ja": "ja_JP", "ko": "ko_KR", "nl": "nl_NL", "pl_PL": "pl_PL", "pt_BR": "pt_BR", "ru": "ru_RU", "tr": "tr_TR", "uk": "uk_UA", "vi": "vi_VN", "zh_CN": "zh_CN", } if lang not in LANG2LOCALENAME: return None result = LANG2LOCALENAME[lang] if ISLINUX: result += ".UTF-8" return result # --- Qt def install_qt_trans(lang=None): from PyQt5.QtCore import QCoreApplication, QTranslator, QLocale if not lang: lang = str(QLocale.system().name())[:2] localename = get_locale_name(lang) if localename is not None: try: locale.setlocale(locale.LC_ALL, localename) except locale.Error: logging.warning("Couldn't set locale %s", localename) else: lang = "en" qtr1 = QTranslator(QCoreApplication.instance()) qtr1.load(":/qt_%s" % lang) QCoreApplication.installTranslator(qtr1) qtr2 = QTranslator(QCoreApplication.instance()) qtr2.load(":/%s" % lang) QCoreApplication.installTranslator(qtr2) def qt_tr(s, context="core"): return str(QCoreApplication.translate(context, s, None)) set_tr(qt_tr) # --- gettext def install_gettext_trans(base_folder, lang): import gettext def gettext_trget(domain): if not lang: return lambda s: s try: return gettext.translation( domain, localedir=base_folder, languages=[lang] ).gettext except IOError: return lambda s: s default_gettext = gettext_trget("core") def gettext_tr(s, context=None): if not context: return default_gettext(s) else: trfunc = gettext_trget(context) return trfunc(s) set_tr(gettext_tr, gettext_trget) global installed_lang installed_lang = lang def install_gettext_trans_under_cocoa(): from cocoa import proxy resFolder = proxy.getResourcePath() baseFolder = op.join(resFolder, "locale") currentLang = proxy.systemLang() install_gettext_trans(baseFolder, currentLang) localename = get_locale_name(currentLang) if localename is not None: locale.setlocale(locale.LC_ALL, localename) def install_gettext_trans_under_qt(base_folder, lang=None): # So, we install the gettext locale, great, but we also should try to install qt_*.qm if # available so that strings that are inside Qt itself over which I have no control are in the # right language. from PyQt5.QtCore import QCoreApplication, QTranslator, QLocale, QLibraryInfo if not lang: lang = str(QLocale.system().name())[:2] localename = get_locale_name(lang) if localename is not None: try: locale.setlocale(locale.LC_ALL, localename) except locale.Error: logging.warning("Couldn't set locale %s", localename) qmname = "qt_%s" % lang if ISLINUX: # Under linux, a full Qt installation is already available in the system, we didn't bundle # up the qm files in our package, so we have to load translations from the system. qmpath = op.join(QLibraryInfo.location(QLibraryInfo.TranslationsPath), qmname) else: qmpath = op.join(base_folder, qmname) qtr = QTranslator(QCoreApplication.instance()) qtr.load(qmpath) QCoreApplication.installTranslator(qtr) install_gettext_trans(base_folder, lang)