def load_graph(self, rdf_graph, tmp_file_name):
"""Load a rdflib graph into the triplestore
Write rdf to a tmp file, and send the url to this file
to the triplestore with a LOAD request
Parameters
----------
rdf_graph : Graph
rdf graph to load
tmp_file_name : string
Path to a tmp file
"""
sparql = SparqlQueryLauncher(self.app, self.session)
temp_file_path = '{}/{}'.format(self.ttl_dir, tmp_file_name)
encoding = 'utf-8' if self.serialization_format != 'nt' else None
rdf_graph.serialize(format=self.serialization_format,
encoding=encoding,
destination=temp_file_path)
# Load the chunk
sparql.load_data(tmp_file_name, self.file_graph, self.host_url)
# Remove tmp file
if not self.settings.getboolean('askomics', 'debug_ttl'):
os.remove(temp_file_path)
def integrate(self, public=False):
"""Integrate the file into the triplestore
Parameters
----------
public : bool, optional
Integrate in private or public graph
"""
sparql = SparqlQueryLauncher(self.app, self.session)
self.public = public
method = self.settings.get('triplestore', 'upload_method')
# insert metadata
sparql.insert_data(self.get_metadata(), self.file_graph, metadata=True)
if method == "load":
# cp file into ttl dir
tmp_file_name = 'tmp_{}_{}.ttl'.format(
Utils.get_random_string(5),
self.name,
)
temp_file_path = '{}/{}'.format(self.ttl_dir, tmp_file_name)
copyfile(self.path, temp_file_path)
# Load the chunk
sparql.load_data(tmp_file_name, self.file_graph, self.host_url)
# Remove tmp file
if not self.settings.getboolean('askomics', 'debug_ttl'):
os.remove(temp_file_path)
else:
with open(self.path) as ttl_file:
ttl_content = ttl_file.read()
sparql.insert_ttl_string(ttl_content, self.user_graph)
self.set_triples_number()
