lazy translation getter

models.py

    def lazy_translation_getter(self, name, default=None):
        """
        Lazy translation getter that fetches translations from DB in case the instance is currently untranslated and
        saves the translation instance in the translation cache
        """
        stuff = self.safe_translation_getter(name, NoTranslation)
        if stuff is not NoTranslation:
            return stuff

        # get all translations
        translations = self._meta.translations_model.objects.filter(master__pk=self.pk)

        # make them a nice dict
        translation_dict = {}
        for translation in translations:
            translation_dict[translation.language_code] = translation

        # see if we have the right language
        correct_language = translation_dict.get(get_language())
        if correct_language:
            # CACHE IT!
            setattr(self, self._meta.translations_cache, correct_language)
            return getattr(correct_language, name, default)

        # otherwise just get any language (really?)
        try:
            any_language = translation_dict.values()[0]
        except IndexError:
            return default

        # cache it (really?)
        setattr(self, self._meta.translations_cache, any_language)

        return getattr(any_language, name, default)