def send_store_mail_template_decorator(template_base):
    """
    This decorator sets the arguments ``template`` and ``template_html``
    when the decorated function is called.
    """
    def dec(func):
        def newfunc(*args, **kwargs):
            default_kwargs = {
                'template': '%s.txt' % template_base,
                'template_html': '%s.html' % template_base
            }
            default_kwargs.update(kwargs)
            return func(*args, **default_kwargs)
        return newfunc
    return dec