def get_asset_names_in_file_descr(file_descr):
    """Get all asset names in the given FileDescription

    :param file_descr: :py:class:`damn_at.FileDescription`
    :rtype: list<string> of asset names contained
    """
    if file_descr.assets:
        return [asset.asset.subname for asset in file_descr.assets]
    else:
        return []