How to use vcsi - 10 common examples

def test_pretty_duration_centis_limit():
    mi = MediaInfoForTest(FFPROBE_EXAMPLE_JSON_PATH)
    mi.duration_seconds = 1.9999
    pretty_duration = MediaInfo.pretty_duration(mi.duration_seconds, show_centis=True)
    assert_equals(pretty_duration, "00:01.99")

def test_pretty_duration_millis_limit():
    mi = MediaInfoForTest(FFPROBE_EXAMPLE_JSON_PATH)
    mi.duration_seconds = 1.9999
    pretty_duration = MediaInfo.pretty_duration(mi.duration_seconds, show_millis=True)
    assert_equals(pretty_duration, "00:01.999")

def test_grid_equality():
    g1 = Grid(4, 4)
    g2 = Grid(4, 4)
    assert_equals(g1, g2)

def test_grid_equality():
    g1 = Grid(4, 4)
    g2 = Grid(4, 4)
    assert_equals(g1, g2)

def test_grid_columns_integer():
    assert_raises(ArgumentTypeError, mxn_type, 'ax4')

    assert_raises(ArgumentTypeError, mxn_type, '4.1x4')

def test_grid_default():
    test_grid = mxn_type('4x4')

    assert_equals(test_grid.x, 4)
    assert_equals(test_grid.y, 4)

# Argument parser before actual argument parser to let the user overwrite the config path
    preargparser = argparse.ArgumentParser(add_help=False)
    preargparser.add_argument("-c", "--config", dest="configfile", default=None)
    preargs, _ = preargparser.parse_known_args()
    try:
        if preargs.configfile:
            # check if the given config file exists
            # abort if not, because the user wants to use a specific file and not the default config
            if os.path.exists(preargs.configfile):
                Config.load_configuration(preargs.configfile)
            else:
                error_exit("Could find config file")
        else:
            # check if the config file exists and load it
            if os.path.exists(DEFAULT_CONFIG_FILE):
                Config.load_configuration(DEFAULT_CONFIG_FILE)
    except configparser.MissingSectionHeaderError as e:
        error_exit(e.message)

    parser = argparse.ArgumentParser(description="Create a video contact sheet",
                                     formatter_class=argparse.ArgumentDefaultsHelpFormatter)
    parser.add_argument("filenames", nargs="+")
    parser.add_argument(
        "-o", "--output",
        help="save to output file",
        dest="output_path")
    # adding --config to the main parser to display it when the user asks for help
    # the value is not important anymore
    parser.add_argument(
        "-c", "--config",
        help="Config file to load defaults from",
        default=DEFAULT_CONFIG_FILE

def mxn_type(string):
    """Type parser for argparse. Argument of type "mxn" will be converted to Grid(m, n).
    An exception will be thrown if the argument is not of the required form
    """
    try:
        split = string.split("x")
        assert (len(split) == 2)
        m = int(split[0])
        assert (m >= 0)
        n = int(split[1])
        assert (n >= 0)
        return Grid(m, n)
    except (IndexError, ValueError, AssertionError):
        error = "Grid must be of the form mxn, where m is the number of columns and n is the number of rows."
        raise argparse.ArgumentTypeError(error)

print("Processing {}...".format(path))

    if args.interval is not None and args.manual_timestamps is not None:
        error_exit("Cannot use --interval and --manual at the same time.")

    if args.vcs_width != DEFAULT_CONTACT_SHEET_WIDTH and args.actual_size:
        error_exit("Cannot use --width and --actual-size at the same time.")

    if args.delay_percent is not None:
        args.start_delay_percent = args.delay_percent
        args.end_delay_percent = args.delay_percent

    args.num_groups = 5

    media_info = MediaInfo(
        path,
        verbose=args.is_verbose)
    media_capture = MediaCapture(
        path,
        accurate=args.is_accurate,
        skip_delay_seconds=args.accurate_delay_seconds,
        frame_type=args.frame_type
    )

    # metadata margins
    if not args.metadata_margin == DEFAULT_METADATA_MARGIN:
        args.metadata_horizontal_margin = args.metadata_margin
        args.metadata_vertical_margin = args.metadata_margin

    if args.interval is None and args.manual_timestamps is None and (args.grid.x == 0 or args.grid.y == 0):
        error = "Row or column of size zero is only supported with --interval or --manual."

if args.interval is not None and args.manual_timestamps is not None:
        error_exit("Cannot use --interval and --manual at the same time.")

    if args.vcs_width != DEFAULT_CONTACT_SHEET_WIDTH and args.actual_size:
        error_exit("Cannot use --width and --actual-size at the same time.")

    if args.delay_percent is not None:
        args.start_delay_percent = args.delay_percent
        args.end_delay_percent = args.delay_percent

    args.num_groups = 5

    media_info = MediaInfo(
        path,
        verbose=args.is_verbose)
    media_capture = MediaCapture(
        path,
        accurate=args.is_accurate,
        skip_delay_seconds=args.accurate_delay_seconds,
        frame_type=args.frame_type
    )

    # metadata margins
    if not args.metadata_margin == DEFAULT_METADATA_MARGIN:
        args.metadata_horizontal_margin = args.metadata_margin
        args.metadata_vertical_margin = args.metadata_margin

    if args.interval is None and args.manual_timestamps is None and (args.grid.x == 0 or args.grid.y == 0):
        error = "Row or column of size zero is only supported with --interval or --manual."
        error_exit(error)

    if args.interval is not None: