article_tags.py 文件源码

def get_page_url(parser, token):
    """
    Determines the URL of a pagination page link based on the page from which
    this tag is called.
    """
    args = token.split_contents()
    argc = len(args)
    varname = None

    try:
        assert argc in (2, 4)
    except AssertionError:
        raise template.TemplateSyntaxError('get_page_url syntax: {% get_page_url page_num as varname %}')

    if argc == 4: varname = args[3]

    return GetPageURLNode(args[1], varname)