def add_trees_to_handle(self,
handle,
trees=None,
tree_uri='',
context=None):
"""Add triples describing a set of trees to handle, which can be either
a file or a librdf model."""
if tree_uri and not tree_uri.endswith('/'):
tree_uri = tree_uri + '/'
is_librdf_model = isinstance(handle, RDF.Model)
if is_librdf_model and context:
context = RDF.Node(RDF.Uri(context))
else:
context = None
Uri = RDF.Uri
prefixes = self.prefixes
if trees is None:
trees = self.trees
if is_librdf_model:
Redland.librdf_model_transaction_start(handle._model)
else:
for prefix, url in prefixes.items():
handle.write('@prefix %s: <%s> .\n' % (prefix, url))
for stmt in [(Uri(prefixes['cdao']), qUri('rdf:type'),
qUri('owl:Ontology'))]:
self.add_stmt_to_handle(handle, RDF.Statement(*stmt), context)
for tree in trees:
self.tree_counter += 1
self.tree_uri = node_uri(
tree_uri, 'tree%s' % str(self.tree_counter).zfill(7))
first_clade = tree.clade
statements = self.process_clade(first_clade, root=tree_uri)
for stmt in statements:
self.add_stmt_to_handle(handle, stmt, context)
if is_librdf_model:
Redland.librdf_model_transaction_commit(handle._model)
handle.sync()
def add_trees_to_handle(self, handle, trees=None, tree_uri='', context=None):
"""Add triples describing a set of trees to handle, which can be either
a file or a librdf model."""
if tree_uri and not tree_uri.endswith('/'):
tree_uri = tree_uri + '/'
is_librdf_model = isinstance(handle, RDF.Model)
if is_librdf_model and context:
context = RDF.Node(RDF.Uri(context))
else:
context = None
Uri = RDF.Uri
prefixes = self.prefixes
if trees is None:
trees = self.trees
if is_librdf_model:
Redland.librdf_model_transaction_start(handle._model)
else:
for prefix, url in prefixes.items():
handle.write('@prefix %s: <%s> .\n' % (prefix, url))
for stmt in [(Uri(prefixes['cdao']), qUri('rdf:type'), qUri('owl:Ontology'))]:
self.add_stmt_to_handle(handle, RDF.Statement(*stmt), context)
for tree in trees:
self.tree_counter += 1
self.tree_uri = node_uri(tree_uri, 'tree%s' % str(self.tree_counter).zfill(7))
first_clade = tree.clade
statements = self.process_clade(first_clade, root=tree_uri)
for stmt in statements:
self.add_stmt_to_handle(handle, stmt, context)
if is_librdf_model:
Redland.librdf_model_transaction_commit(handle._model)
handle.sync()
def add_trees_to_model(self, trees=None, storage=None, tree_uri='tree', context=None):
"""Add triples describing a set of trees to an RDF model."""
if context: context = RDF.Node(RDF.Uri(context))
self.tree_uri = tree_uri
Uri = RDF.Uri
urls = self.urls
if trees is None:
trees = self.trees
if storage is None:
# store RDF model in memory for now
storage = new_storage()
if self.model is None:
self.model = RDF.Model(storage)
if self.model is None:
raise CDAOError("new RDF.model failed")
model = self.model
Redland.librdf_model_transaction_start(model._model)
for stmt in [(Uri(urls['cdao']), qUri('rdf:type'), qUri('owl:Ontology'))]:
model.append(RDF.Statement(*stmt), context)
for tree in trees:
self.tree_counter += 1
self.tree_uri = 'tree%s' % str(self.tree_counter).zfill(7)
first_clade = tree.clade
statements = self.process_clade(first_clade, root=tree_uri)
for stmt in statements:
model.append(stmt, context)
Redland.librdf_model_transaction_commit(model._model)
model.sync()
