How to use the urlextract.urlextract_core.URLExtract function in urlextract

parser.add_argument(
            'input_file', nargs='?', metavar='',
            type=argparse.FileType(), default=sys.stdin,
            help='input text file with URLs to extract')

        parsed_args = parser.parse_args()
        return parsed_args

    args = get_args()
    logging.basicConfig(
        level=logging.INFO, stream=sys.stderr,
        format='%(asctime)s - %(levelname)s (%(name)s): %(message)s')
    logger = logging.getLogger('urlextract')

    try:
        urlextract = URLExtract()
        if args.ignore_file:
            urlextract.load_ignore_list(args.ignore_file)
        urlextract.update_when_older(30)
        content = args.input_file.read()
        for url in urlextract.find_urls(content, args.unique):
            print(url)
    except CacheFileError as e:
        logger.error(str(e))
        sys.exit(-1)
    finally:
        args.input_file.close()

def __init__(self, extract_email=False, **kwargs):
        """
        Initialize function for URLExtract class.
        Tries to get cached TLDs, if cached file does not exist it will try
        to download new list from IANA and save it to cache file.

        :param bool extract_email: True if we want to extract email from text.
            Disabled by default
        """
        super(URLExtract, self).__init__(**kwargs)

        self._tlds_re = None
        self._reload_tlds_from_file()
        self._extract_email = extract_email

        # general stop characters
        general_stop_chars = {'\"', '<', '>', ';'}
        # defining default stop chars left
        self._stop_chars_left = set(string.whitespace)
        self._stop_chars_left |= general_stop_chars | {'|', '=', ']', ')', '}'}

        # defining default stop chars left
        self._stop_chars_right = set(string.whitespace)
        self._stop_chars_right |= general_stop_chars

        # preprocessed union _stop_chars is used in _validate_tld_match