How to use the ttp.utils.get_attributes._UndefSubst function in ttp

result=[]
    ATTRIBUTES=[i.strip() for i in line.split('|') if i.strip()]
    for item in ATTRIBUTES:
        opts = {'args': [], 'kwargs': {}, 'name': ''}
        # re search attributes like set(), upper, joinchar(',','-')
        try:
            itemDict = re.search(r'^(?P\S+?)\s?(\((?P.*)\))?$', item).groupdict()
        except AttributeError as e:
            log.critical("ttp.get_attributes failed to parse attributes for: '{}' with error: {};\nExiting...".format(item, e))
            raise SystemExit()
        opts['name'] = itemDict['name']
        options = itemDict['options']
        # create options list from options string using eval:
        if options:        
            try:
                args_kwargs = eval("_get_args_kwargs({})".format(options), _UndefSubst(globals()))
            except:
                exc_type, exc_value, exc_traceback = sys.exc_info()
                traceback_error = "".join(traceback.format_exception(exc_type, exc_value, exc_traceback))
                log.critical("""Failed to load arg/kwargs from line '{}' for options '{}', traceback:\n{}""".format(line, options, traceback_error))
                raise SystemExit()
            opts.update(args_kwargs)
        result.append(opts)
    return result