'Returns language objects for every language for which the placeholder
has plugins.
This is not cached as it\'s meant to eb used in the frontend editor.'

def get_filled_languages(self):

    languages = []
    for lang_code in set(self.get_plugins().values_list('language', flat=True)):
        try:
            languages.append(get_language_object(lang_code))
        except LanguageError:
            pass
    return languages
