ifsetting_tag.py 文件源码

def ifsetting(parser, token):
    bits = token.split_contents()
    nodelist_true = parser.parse(("else", "endifsetting"))
    token = parser.next_token()

    if token.contents == "else":
        nodelist_false = parser.parse(("endifsetting",))
        parser.delete_first_token()
    else:
        nodelist_false = template.NodeList()

    return IfSettingNode(nodelist_true, nodelist_false, bits[1])