def addIdentifierTriples(self, node, identifier):
"""Add triples for the given identiifer to the given node."""
if self.model is None:
raise Exception("Model not found.")
scheme = util.getIdentifierScheme(identifier)
resolve_url = util.getIdentifierResolveURL(identifier)
# Create a blank node for the identifier
identifier_node = RDF.Node(blank=str(uuid.uuid4()))
self.add(node, 'geolink:hasIdentifier', identifier_node)
self.add(identifier_node, 'rdf:type', 'geolink:Identifier')
self.add(identifier_node, 'rdfs:label', RDF.Node(identifier))
self.add(identifier_node, 'geolink:hasIdentifierValue', RDF.Node(identifier))
self.add(identifier_node, 'geolink:hasIdentifierScheme', 'datacite:'+scheme)
if resolve_url is not None:
self.add(identifier_node, 'geolink:hasIdentifierResolveURL', RDF.Uri(resolve_url))
# Also always add the DataOne resolve URL for non local-resource-identifier-scheme identifiers
if scheme != 'local-resource-identifier-scheme':
dataone_resolve_url = 'https://cn.dataone.org/cn/v1/resolve/%s' % urllib.quote_plus(identifier)
self.add(identifier_node, 'geolink:hasIdentifierResolveURL', RDF.Uri(dataone_resolve_url))
def test_can_determine_resolve_urls():
# DOIs
assert util.getIdentifierResolveURL(
'http://doi.org/10.asdf') == 'http://doi.org/10.asdf'
assert util.getIdentifierResolveURL(
'doi:/10.asdf') == 'http://doi.org/10.asdf'
assert util.getIdentifierResolveURL(
'http://dx.doi.org/10.asdf') == 'http://doi.org/10.asdf'
# URIs
assert util.getIdentifierResolveURL(
'http://example.org') == 'http://example.org'
# DataOne PIDs
assert util.getIdentifierResolveURL(
'asdf') == 'https://cn.dataone.org/cn/v1/resolve/asdf'
# Bad values
assert util.getIdentifierResolveURL('') is None
assert util.getIdentifierResolveURL(1) is None
assert util.getIdentifierResolveURL(None) is None
