How to use the nhentai.constant.COOKIE function in nhentai

proxy_url = urlparse(args.proxy)
            if proxy_url.scheme not in ('http', 'https'):
                logger.error('Invalid protocol \'{0}\' of proxy, ignored'.format(proxy_url.scheme))
            else:
                with open(constant.NHENTAI_PROXY, 'w') as f:
                    f.write(args.proxy)

        except Exception as e:
            logger.error('Cannot create NHENTAI_HOME: {}'.format(str(e)))
            exit(1)

        logger.info('Proxy \'{0}\' saved.'.format(args.proxy))
        exit(0)

    if args.favorites:
        if not constant.COOKIE:
            logger.warning('Cookie has not been set, please use `nhentai --cookie \'COOKIE\'` to set it.')
            exit(1)

    if args.id:
        _ = [i.strip() for i in args.id.split(',')]
        args.id = set(int(i) for i in _ if i.isdigit())

    if args.file:
        with open(args.file, 'r') as f:
            _ = [i.strip() for i in f.readlines()]
            args.id = set(int(i) for i in _ if i.isdigit())

    if (args.is_download or args.is_show) and not args.id and not args.keyword and not args.favorites:
        logger.critical('Doujinshi id(s) are required for downloading')
        parser.print_help()
        exit(1)

proxy_url = urlparse(args.proxy)
            if proxy_url.scheme not in ('http', 'https'):
                logger.error('Invalid protocol \'{0}\' of proxy, ignored'.format(proxy_url.scheme))
            else:
                with open(os.path.join(constant.NHENTAI_HOME, 'proxy'), 'w') as f:
                    f.write(args.proxy)
        except Exception as e:
            logger.error('Cannot create NHENTAI_HOME: {}'.format(str(e)))
            exit(1)

        logger.info('Proxy \'{0}\' saved.'.format(args.proxy))
        exit(0)

    if args.favorites:
        if not constant.COOKIE:
            logger.warning('Cookie has not been set, please use `nhentai --cookie \'COOKIE\'` to set it.')
            exit(1)

    if args.id:
        _ = [i.strip() for i in args.id.split(',')]
        args.id = set(int(i) for i in _ if i.isdigit())

    if args.file:
        with open(args.file, 'r') as f:
            _ = [i.strip() for i in f.readlines()]
            args.id = set(int(i) for i in _ if i.isdigit())

    if (args.is_download or args.is_show) and not args.id and not args.keyword and \
            not args.tag and not args.artist and not args.character and \
            not args.parody and not args.group and not args.language and not args.favorites:
        logger.critical('Doujinshi id(s) are required for downloading')

exit(0)

    if args.main_viewer and not args.id and not args.keyword and not args.favorites:
        generate_main_html()
        exit(0)

    if args.clean_download_history:
        with DB() as db:
            db.clean_all()

        logger.info('Download history cleaned.')
        exit(0)

    if os.path.exists(constant.NHENTAI_COOKIE):
        with open(constant.NHENTAI_COOKIE, 'r') as f:
            constant.COOKIE = f.read()

    if args.cookie:
        try:
            if not os.path.exists(constant.NHENTAI_HOME):
                os.mkdir(constant.NHENTAI_HOME)

            with open(constant.NHENTAI_COOKIE, 'w') as f:
                f.write(args.cookie)
        except Exception as e:
            logger.error('Cannot create NHENTAI_HOME: {}'.format(str(e)))
            exit(1)

        logger.info('Cookie saved.')
        exit(0)

    if os.path.exists(constant.NHENTAI_LANGUAGE) and not args.language:

args, _ = parser.parse_args(sys.argv[1:])

    if args.html_viewer:
        generate_html()
        exit(0)

    if args.main_viewer and not args.id and not args.keyword and \
            not args.tag and not args.artist and not args.character and \
            not args.parody and not args.group and not args.language and not args.favorites:
        generate_main_html()
        exit(0)

    if os.path.exists(os.path.join(constant.NHENTAI_HOME, 'cookie')):
        with open(os.path.join(constant.NHENTAI_HOME, 'cookie'), 'r') as f:
            constant.COOKIE = f.read()

    if args.cookie:
        try:
            if not os.path.exists(constant.NHENTAI_HOME):
                os.mkdir(constant.NHENTAI_HOME)

            with open(os.path.join(constant.NHENTAI_HOME, 'cookie'), 'w') as f:
                f.write(args.cookie)
        except Exception as e:
            logger.error('Cannot create NHENTAI_HOME: {}'.format(str(e)))
            exit(1)

        logger.info('Cookie saved.')
        exit(0)

    if os.path.exists(os.path.join(constant.NHENTAI_HOME, 'proxy')):

def request(method, url, **kwargs):
    session = requests.Session()
    session.headers.update({
        'Referer': constant.LOGIN_URL,
        'User-Agent': 'nhentai command line client (https://github.com/RicterZ/nhentai)',
        'Cookie': constant.COOKIE
    })
    return getattr(session, method)(url, proxies=constant.PROXY, verify=False, **kwargs)