How to use the goslate.goslate.Goslate function in goslate

help='specify target language to translate the source text into')
    parser.add_option('-s', '--source-language', default='', metavar='en',
                      help='specify source language, if not provide it will identify the source language automatically')
    parser.add_option('-i', '--input-encoding', default=sys.getfilesystemencoding(), metavar='utf-8',
                      help='specify input encoding, default to current console system encoding')
    parser.add_option('-o', '--output-encoding', default=sys.getfilesystemencoding(), metavar='utf-8',
                      help='specify output encoding, default to current console system encoding')

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

    if not options.target_language:
        print('Error: missing target language!')
        parser.print_help()
        return

    gs = Goslate()
    import fileinput
    # inputs = fileinput.input(args, mode='rU', openhook=fileinput.hook_encoded(options.input_encoding))
    inputs = fileinput.input(args, mode='rb')
    inputs = (i.decode(options.input_encoding) for i in inputs)
    outputs = gs.translate(inputs, options.target_language, options.source_language)
    for i in outputs:
        sys.stdout.write((i+u'\n').encode(options.output_encoding))
        sys.stdout.flush()