Esempio n. 1
0
def parse_arguments():
    """Parse command line arguments."""
    parser = argparse.ArgumentParser(
        description="Update OCFL inventory sidecar file",
        formatter_class=argparse.ArgumentDefaultsHelpFormatter)
    parser.add_argument(
        "path",
        type=str,
        nargs="*",
        help="OCFL inventory files or directories containing them")
    parser.add_argument(
        "--digest",
        default=None,
        help="Digest algorithm to use overriding any in inventory")
    ocfl.add_shared_args(parser)
    args = parser.parse_args()
    ocfl.check_shared_args(args)
    return args
Esempio n. 2
0
def parse_arguments():
    """Parse command line arguments."""
    parser = argparse.ArgumentParser(
        description='Manipulate or validate an OCFL object or inventory.',
        formatter_class=argparse.ArgumentDefaultsHelpFormatter)

    # This should really be done with add_mutually_exclusive_group() but
    # the current argparse doesn't support grouping and a title for that
    # so use a plain group instead and will check later
    commands = parser.add_argument_group(
        title="Commands (exactly one required)")
    commands.add_argument(
        '--create',
        action='store_true',
        help=
        'Create a new object with version 1 files in --srcdir or from --srcbag'
    )
    commands.add_argument(
        '--build',
        action='store_true',
        help='Build a new object from version directories in --srcdir')
    commands.add_argument(
        '--update',
        action='store_true',
        help=
        'Update an object by adding a new version from files in --srcdir or from --srcbag'
    )
    commands.add_argument('--show',
                          action='store_true',
                          help='Show versions and files in an OCFL object')
    commands.add_argument(
        '--validate',
        action='store_true',
        help='Validate an OCFL object (use ocfl-validate.py for more control)')
    commands.add_argument(
        '--extract',
        action='store',
        default=None,
        help='Extract a specific version (or "head") into --dstdir')

    src_params = parser.add_argument_group(title="Source files")
    src_params.add_argument('--srcdir',
                            '--src',
                            action='store',
                            help='Source directory path')
    src_params.add_argument(
        '--srcbag',
        action='store',
        help='Source Bagit bag path (alternative to --srcdir)')

    obj_params = parser.add_argument_group(title="OCFL object parameters")
    obj_params.add_argument('--digest',
                            default='sha512',
                            help='Digest algorithm to use')
    obj_params.add_argument('--fixity',
                            action='append',
                            help='Add fixity type to add')
    obj_params.add_argument('--id', default=None, help='Identifier of object')
    obj_params.add_argument('--dstdir',
                            '--dst',
                            action='store',
                            default='/tmp/ocfl-out',
                            help='Destination directory path')
    obj_params.add_argument(
        '--dstbag',
        action='store',
        help='Destination Bagit bag path (alternative to --dstdir)')

    # Version metadata and object settings
    ocfl.add_version_metadata_args(obj_params)
    ocfl.add_object_args(obj_params)
    ocfl.add_shared_args(parser)
    args = parser.parse_args()
    ocfl.check_shared_args(args)

    # Require command and only one command
    cmds = ['create', 'build', 'update', 'show', 'validate', 'extract']
    num_cmds = 0
    for cmd in cmds:
        if getattr(args, cmd):
            num_cmds += 1
    if num_cmds != 1:
        raise FatalError("Exactly one command (%s) must be specified" %
                         ', '.join(cmds))

    # Must not specify both srcdir and srcbag
    if args.srcdir and args.srcbag:
        raise FatalError("Must not specify both --srcdir and --srcbag")

    return args
Esempio n. 3
0
commands.add_argument('--validate-object',
                      action='store_true',
                      help='Validate an OCFL object')

# Object property settings
parser.add_argument('--id', default=None, help='identifier of object')
parser.add_argument('--src',
                    default=None,
                    help='source path of object or version')
parser.add_argument('--digest', default='sha512', help='digest type to use')
parser.add_argument('--fixity', action='append', help='add fixity type to add')

# Version metadata and object settings
ocfl.add_version_metadata_args(parser)
ocfl.add_object_args(parser)
ocfl.add_shared_args(parser)
args = parser.parse_args()
ocfl.check_shared_args(args)

logging.basicConfig(level=logging.INFO if args.verbose else logging.WARN)

try:
    store = ocfl.Store(root=args.root,
                       disposition=args.disposition,
                       lax_digests=args.lax_digests)
    if args.init:
        store.initialize()
    elif args.list:
        store.list()
    elif args.validate:
        store.validate(show_warnings=not args.quiet)