<%def name="panel(title='', category='default', class_='')"> <div class="panel panel-${category} ${class_}"> %if title or hasattr(caller, 'title'): <div class="panel-heading"> <h3 class="panel-title"> %if title: ${title} %else: ${caller.title()} %endif </h3> </div> %endif <div class="panel-body"> ${caller.body()} </div> </div> </%def>