def read_image_descriptions()

in mapillary_tools/upload.py [0:0]

• 24 lines of code
• 5 McCabe index (conditional complexity)

def read_image_descriptions(desc_path: str) -> T.List[types.ImageDescriptionFile]:
    if not os.path.isfile(desc_path):
        raise exceptions.MapillaryFileNotFoundError(
            f"Image description file {desc_path} not found. Please process the image directory first"
        )

    descs: T.List[types.ImageDescriptionFile] = []
    if desc_path == "-":
        try:
            descs = json.load(sys.stdin)
        except json.JSONDecodeError as ex:
            raise exceptions.MapillaryInvalidDescriptionFile(
                f"Invalid JSON stream from stdin: {ex}"
            )
    else:
        with open(desc_path) as fp:
            try:
                descs = json.load(fp)
            except json.JSONDecodeError as ex:
                raise exceptions.MapillaryInvalidDescriptionFile(
                    f"Invalid JSON file {desc_path}: {ex}"
                )
    return types.filter_out_errors(
        T.cast(T.List[types.ImageDescriptionFileOrError], descs)
    )