@register.tag('box')
def do_box(parser, token):
    bits = token.split_contents()

    nodelist = parser.parse(('end' + bits[0],))
    parser.delete_first_token()
    return _parse_box(nodelist, bits)
Tag Node representing our idea of a reusable box. It can handle multiple
dataset/ETHPy150Open ella/ella/ella/core/templatetags/core.py/do_box