custom_tags.py 文件源码

def menu_active(context, *args, **kwargs):
    '''
    only menu_active check, do not permissions check
    '''
    request = context['request']
    active_style = 'menu_active'
    display_style = ''
    try:
        resolver_match = urlresolvers.resolve(request.path_info)
        url_name = resolver_match.url_name
        namespaces = resolver_match.namespaces
        for arg in args:
            tmp_path = '.'.join(namespaces)
            if len(tmp_path) > 0:
                tmp_path += ':' + url_name
            else:
                tmp_path = url_name
            if tmp_path == arg:
                return active_style + ' ' + display_style
    except:
        return display_style

    return display_style