scheduletags.py 文件源码

def do_get_or_create_calendar_for_object(parser, token):
    contents = token.split_contents()
    if len(contents) > 2:
        obj = contents[1]
        if 'by' in contents:
            by_index = contents.index('by')
            distinction = contents[by_index + 1]
        else:
            distinction = None
        if 'named' in contents:
            named_index = contents.index('named')
            name = contents[named_index + 1]
            if name[0] == name[-1]:
                name = name[1:-1]
        else:
            name = None
        if 'as' in contents:
            as_index = contents.index('as')
            context_var = contents[as_index + 1]
        else:
            raise template.TemplateSyntaxError("%r tag requires an a context variable: %r <content_object> [named <calendar name>] [by <distinction>] as <context_var>" % (token.split_contents()[0], token.split_contents()[0]))
    else:
        raise template.TemplateSyntaxError("%r tag follows form %r <content_object> [named <calendar name>] [by <distinction>] as <context_var>" % (token.split_contents()[0], token.split_contents()[0]))
    return CreateCalendarNode(obj, distinction, context_var, name)