trans_real.py 文件源码

def __init__(self, language):
        """Create a GNUTranslations() using many locale directories"""
        gettext_module.GNUTranslations.__init__(self)
        self.set_output_charset('utf-8')  # For Python 2 gettext() (#25720)

        self.__language = language
        self.__to_language = to_language(language)
        self.__locale = to_locale(language)
        self._catalog = None

        self._init_translation_catalog()
        self._add_installed_apps_translations()
        self._add_local_translations()
        if self.__language == settings.LANGUAGE_CODE and self._catalog is None:
            # default lang should have at least one translation file available.
            raise IOError("No translation files found for default language %s." % settings.LANGUAGE_CODE)
        self._add_fallback()
        if self._catalog is None:
            # No catalogs found for this language, set an empty catalog.
            self._catalog = {}