def main():
'''Parse args and handle options.'''
parser = argparse.ArgumentParser(description='Object lister for Fedora 4.')
# Path to the repo config (endpoint, relpath, credentials, and WebAC paths)
parser.add_argument('-r',
'--repo',
help='Path to repository configuration file.',
action='store',
required=True)
# long mode to print more than just the URIs (name modeled after ls -l)
parser.add_argument('-l',
'--long',
help='Display additional information besides the URI',
action='store_true')
parser.add_argument(
'-R',
'--recursive',
help=
'List additional objects found by traversing the given predicate(s)',
action='store')
args = parser.parse_args()
# configure logging
with open('config/logging.yml', 'r') as configfile:
logging_config = yaml.safe_load(configfile)
logfile = 'logs/list.py.{0}.log'.format(
datetime.utcnow().strftime('%Y%m%d%H%M%S'))
logging_config['handlers']['file']['filename'] = logfile
logging_config['handlers']['console']['stream'] = 'ext://sys.stderr'
logging.config.dictConfig(logging_config)
# Load required repository config file and create repository object
with open(args.repo, 'r') as repoconfig:
fcrepo = Repository(yaml.safe_load(repoconfig))
logger.info('Loaded repo configuration from {0}'.format(args.repo))
if args.recursive is not None:
manager = namespaces.get_manager()
args.predicates = [
from_n3(p, nsm=manager) for p in args.recursive.split(',')
]
logger.info(
'Listing will traverse the following predicates: {0}'.format(
', '.join([p.n3() for p in args.predicates])))
else:
args.predicates = []
for item_uri in sys.stdin:
for (uri, graph) in fcrepo.recursive_get(item_uri.rstrip('\n'),
traverse=args.predicates):
if args.long:
title = get_title_string(graph)
print("{0} {1}".format(uri, title))
else:
print(uri)
def graph(self):
graph = super(Article, self).graph()
graph.namespace_manager = namespaces.get_manager(graph)
graph.add((self.uri, dcterms.title, Literal(self.title)))
graph.add((self.uri, pcdm.ns.memberOf, self.issue.uri))
graph.add((self.uri, rdf.type, bibo.Article))
if self.start_page is not None:
graph.add((self.uri, bibo.pageStart, Literal(self.start_page)))
if self.end_page is not None:
graph.add((self.uri, bibo.pageEnd, Literal(self.end_page)))
return graph
def graph(self):
graph = super(Page, self).graph()
graph.namespace_manager = namespaces.get_manager(graph)
graph.add((self.uri, dcterms.title, Literal(self.title)))
graph.add((self.uri, pcdm.ns.memberOf, self.issue.uri))
graph.add((self.uri, rdf.type, ndnp.Page))
# add optional metadata elements if present
if hasattr(self, 'number'):
graph.add((self.uri, ndnp.number, Literal(self.number)))
if hasattr(self, 'frame'):
graph.add((self.uri, ndnp.sequence, Literal(self.frame)))
return graph
def graph(self):
graph = Graph()
graph.namespace_manager = namespaces.get_manager(graph)
for (rel, obj) in self.linked_objects:
graph.add((self.uri, rel, obj.uri))
for obj in self.fragments:
graph = graph + obj.graph()
graph = graph + self.extra
return graph
def graph(self):
graph = super(Issue, self).graph()
# store required metadata as an RDF graph
graph.namespace_manager = namespaces.get_manager(graph)
graph.add((self.uri, dcterms.title, Literal(self.title)))
graph.add((self.uri, dc.date, Literal(self.date)))
graph.add((self.uri, rdf.type, bibo.Issue))
# add optional metadata elements if present
if hasattr(self, 'volume'):
graph.add((self.uri, bibo.volume, Literal(self.volume)))
if hasattr(self, 'issue'):
graph.add((self.uri, bibo.issue, Literal(self.issue)))
if hasattr(self, 'edition'):
graph.add((self.uri, bibo.edition, Literal(self.edition)))
return graph
def graph(self):
graph = super(File, self).graph()
graph.namespace_manager = namespaces.get_manager(graph)
graph.add((self.uri, dcterms.title, Literal(self.title)))
graph.add((self.uri, dcterms.type, dcmitype.Text))
if self.width is not None:
graph.add((self.uri, ebucore.width, Literal(self.width)))
if self.height is not None:
graph.add((self.uri, ebucore.height, Literal(self.height)))
if self.basename.endswith('.tif'):
graph.add((self.uri, rdf.type, pcdmuse.PreservationMasterFile))
elif self.basename.endswith('.jp2'):
graph.add((self.uri, rdf.type, pcdmuse.IntermediateFile))
elif self.basename.endswith('.pdf'):
graph.add((self.uri, rdf.type, pcdmuse.ServiceFile))
elif self.basename.endswith('.xml'):
graph.add((self.uri, rdf.type, pcdmuse.ExtractedText))
return graph
def graph(self):
graph = super(MetadataFile, self).graph()
graph.namespace_manager = namespaces.get_manager(graph)
graph.add((self.uri, rdf.type, fabio.MetadataDocument))
return graph
def graph(self):
graph = super(IssueMetadata, self).graph()
graph.namespace_manager = namespaces.get_manager(graph)
graph.add((self.uri, rdf.type, fabio.Metadata))
graph.add((self.uri, dcterms.title, Literal(self.title)))
return graph
def main():
'''Parse args and handle options.'''
parser = argparse.ArgumentParser(description='Delete tool for Fedora 4.')
# Path to the repo config (endpoint, relpath, credentials, and WebAC paths)
parser.add_argument('-r',
'--repo',
help='Path to repository configuration file.',
action='store',
required=True)
# Just ping the repository to verify the connection
parser.add_argument(
'-p',
'--ping',
help='Check the connection to the repository and exit.',
action='store_true')
parser.add_argument(
'-R',
'--recursive',
help=
'Delete additional objects found by traversing the given predicate(s)',
action='store')
parser.add_argument(
'-d',
'--dryrun',
help='Simulate a delete without modifying the repository',
action='store_true')
parser.add_argument('-f',
'--file',
help='File containing a list of URIs to delete',
action='store')
parser.add_argument('uris',
nargs='*',
help='Zero or more repository URIs to be deleted.')
args = parser.parse_args()
print_header()
# configure logging
with open('config/logging.yml', 'r') as configfile:
logging_config = yaml.safe_load(configfile)
logfile = 'logs/delete.py.{0}.log'.format(
datetime.utcnow().strftime('%Y%m%d%H%M%S'))
logging_config['handlers']['file']['filename'] = logfile
logging.config.dictConfig(logging_config)
# Load required repository config file and create repository object
with open(args.repo, 'r') as repoconfig:
fcrepo = Repository(yaml.safe_load(repoconfig))
logger.info('Loaded repo configuration from {0}'.format(args.repo))
# "--ping" tests repository connection and exits
if args.ping:
test_connection(fcrepo)
sys.exit(0)
if args.recursive is not None:
logger.info('Recursive delete enabled')
manager = namespaces.get_manager()
args.predicates = [
from_n3(p, nsm=manager) for p in args.recursive.split(',')
]
logger.info(
'Deletion will traverse the following predicates: {0}'.format(
', '.join([p.n3() for p in args.predicates])))
test_connection(fcrepo)
if args.dryrun:
logger.info('Dry run enabled, no actual deletions will take place')
try:
if args.file is not None:
with open(args.file, 'r') as uri_list:
delete_items(fcrepo, uri_list, args)
elif args.uris is not None:
delete_items(fcrepo, args.uris, args)
except RESTAPIException as e:
logger.error("Unable to commit or rollback transaction, aborting")
sys.exit(1)
print_footer()