staticpages.py 文件源码

def get_legalpages(parser, token):
    """
    Retrieves all active LegalPage objects.
    Populates the template context with them in a variable
    whose name is defined by the ``as`` clause.

    Syntax::

        {% get_legalpages as context_name %}
    """

    bits = token.split_contents()
    syntax_message = ("%(tag_name)s expects a syntax of %(tag_name)s "
                      "as context_name" %
                      dict(tag_name=bits[0]))

    if len(bits) == 3:

        if bits[1] != 'as':
            raise template.TemplateSyntaxError(syntax_message)
        context_name = bits[2]

        return LegalPageNode(context_name)
    else:
        raise template.TemplateSyntaxError(syntax_message)