@classmethod
def help_text_for(cls, model, type_names=None):
    result = []
    for (count, attribute) in enumerate(cls.get_for(model, type_names), 1):
        result.append('{}) {}'.format(count, force_text(attribute.get_display(show_name=True))))
    return ' '.join([ugettext('Available attributes: \n'), ', \n'.join(result)])
@classmethod
def help_text_for(cls, model, type_names=None):
    result = []
    for (count, attribute) in enumerate(cls.get_for(model, type_names), 1):
        result.append('{}) {}'.format(count, force_text(attribute.get_display(show_name=True))))
    return ' '.join([ugettext('Available attributes: \n'), ', \n'.join(result)])