def parse_arguments():
"""Parse command line arguments."""
parser = argparse.ArgumentParser(
description='Manipulate an OCFL object or inventory.',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('--srcdir',
'--src',
action='store',
help='source directory path')
parser.add_argument('--digest',
default='sha512',
help='digest type to use')
parser.add_argument('--fixity',
action='append',
help='add fixity type to add')
parser.add_argument('--id', default=None, help='identifier of object')
parser.add_argument('--dstdir',
'--dst',
action='store',
default='/tmp',
help='destination directory path')
commands = parser.add_mutually_exclusive_group(required=True)
commands.add_argument(
'--create',
action='store_true',
help='Create a new object with version 1 files in srcdir')
commands.add_argument(
'--build',
action='store_true',
help='Build a new object from version directories in srcdir')
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')
commands.add_argument(
'--extract',
action='store',
default=None,
help='Extract a specific version (or "head") into dstdir')
# Version metadata and object settings
ocfl.add_version_metadata_args(parser)
ocfl.add_object_args(parser)
parser.add_argument('--verbose',
'-v',
action='store_true',
help="be more verbose")
return parser.parse_args()
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
help='Show versions and files in an OCFL object')
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: