parser.add_argument("to", nargs="?", help="a date in YYYYMMDD format")

	parser.add_argument("-c", "--country-code", default="CZ", help="a two letter country code, default=CZ")

	parser.add_argument("-f", "--file", help="a path to the rating history file")

	args = parser.parse_args()

	since = datetime.strptime(args.since, "%Y%m%d")

	to = datetime.strptime(args.to, "%Y%m%d") if args.to else datetime.now()

	if args.file:

		print("Reading {} ...".format(args.file))

		with ZipFile(args.file) as f:

	else:

		url = "https://europeangodatabase.eu/EGD/EGD_2_0/downloads/hisgor.zip"

		print("Downloading data from {} ...".format(url))

		try:

			with urllib.request.urlopen(url) as f:

				compressed_data = f.read()

				with ZipFile(io.BytesIO(compressed_data)) as g:

		except URLError as e:

			print(

				"* Failed to connect to the server. "

				"You can try again later or download {} and run the program with the -f parameter.\n"

				"The error message:\n{}".format(url, e)

			)

			sys.exit(1)

	print("Processing...")

	main(s, since, to, args)

	print("Done.")