def normalize_list()

in src/mapillary/utils/format.py [0:0]

• 10 lines of code
• 4 McCabe index (conditional complexity)

def normalize_list(coordinates: list, width: int = 4096, height: int = 4096) -> list:
    """
    Normalizes a list of coordinates with the respective width and the height

    From::

        >>> [[[2402, 2776], [2408, 2776]]]

    To::

        >>> normalize_list(coordinates)
        ... # [[[0.58642578125, 0.677734375], [0.587890625, 0.677734375]]]

    :param coordinates: The coordinate list to normalize
    :type coordinates: list

    :param width: The width of the coordinates to normalize with, defaults to 4096
    :type width: int

    :param height: The height of the coordinates to normalize with, defaults to 4096
    :type height: int

    :return: The normalized list
    :rtype: list
    """

    # Extracting the list from the coordinates
    coordinates = coordinates[0]

    # Initializing the coordinate list
    new_coordinates = []

    # Going through each coordinate pair
    for coordinate_pair in coordinates:

        # If it is already normalized ...
        if 0 <= coordinate_pair[0] <= 1 and 0 <= coordinate_pair[1] <= 1:
            # ... then append as is
            new_coordinates.append(coordinate_pair)

        # Appending the coordinates
        new_coordinates.append(
            # Appending a list pair of the width, height
            [coordinate_pair[0] / width, coordinate_pair[1] / height]
        )

    # Returning the results
    return [new_coordinates]