def buttons_line(self): buttons = self.layout.get('buttons', self.form.get_buttons()) button_offset = self.layout.get('button_offset', self.label_width) buf = Div(_class='form-group') if button_offset: with buf: with buf.div(_class="col-sm-offset-%d col-sm-%d" % (button_offset, 12-button_offset)): buf << buttons else: with buf: buf << buttons return str(buf)