def get_ltw_data_graph(graph_id=None):
if not graph_id:
ltwapp = App.query.filter_by(id=session['app']).first()
graph_id = ltwapp.graph_id
if graph_id:
Virtuoso = plugin("Virtuoso", Store)
store = Virtuoso(app.config['VIRTUOSO_ODBC'])
ltw_data_graph = ConjunctiveGraph(store=store)
g = ltw_data_graph.get_context(graph_id)
# Initialization step needed to make Virtuoso library work
g.add((URIRef('initializationstuff'), URIRef('initializationstuff'), URIRef('initializationstuff')))
g.remove((URIRef('initializationstuff'), URIRef('initializationstuff'), URIRef('initializationstuff')))
return g
else:
return None
def get_ltw_data_graph(graph_id=None):
if not graph_id:
ltwapp = App.query.filter_by(id=session['app']).first()
graph_id = ltwapp.graph_id
if graph_id:
Virtuoso = plugin("Virtuoso", Store)
store = Virtuoso(app.config['VIRTUOSO_ODBC'])
ltw_data_graph = ConjunctiveGraph(store=store)
g = ltw_data_graph.get_context(graph_id)
# Initialization step needed to make Virtuoso library work
g.add((URIRef('initializationstuff'), URIRef('initializationstuff'),
URIRef('initializationstuff')))
g.remove((URIRef('initializationstuff'), URIRef('initializationstuff'),
URIRef('initializationstuff')))
return g
else:
return None
def test_get_plugin(self):
V = plugin("Virtuoso", Store)
assert V is Virtuoso
<http://helheim.deusto.es/ltw/0.1#ontologyClass> ?class_ont ;
<http://helheim.deusto.es/ltw/0.1#identifier> ?id .
}
""")
current_task.update_state(state='PROGRESS',
meta={
'progress_percent': 20,
'progress_msg': 'Fetching your data...'
})
ont_id_list = [str(a[0]).lower() + 's' for a in config_q_res]
ont_class_list = [str(a[1]) for a in config_q_res]
try:
Virtuoso = plugin("Virtuoso", Store)
store = Virtuoso(celery.conf.VIRTUOSO_ODBC)
ltw_conj_data_graph = ConjunctiveGraph(store=store)
graph_id = str(uuid.uuid4())
ltw_data_graph = ltw_conj_data_graph.get_context(graph_id)
except Exception, e:
raise Exception("Unable to connect to LTW data source: %s" % str(e))
progress_per_part = 70 / len(ont_class_list)
counter = Value('f', float(20))
max_processes = len(ont_class_list) if len(
ont_class_list
) <= celery.conf.MAX_MULTIPROCESSING else celery.conf.MAX_MULTIPROCESSING
pool = Pool(max_processes, p_q_initializer, [counter])
SELECT DISTINCT ?id ?class_ont
WHERE {
?s a <http://helheim.deusto.es/ltw/0.1#ClassItem> ;
<http://helheim.deusto.es/ltw/0.1#ontologyClass> ?class_ont ;
<http://helheim.deusto.es/ltw/0.1#identifier> ?id .
}
"""
)
current_task.update_state(state='PROGRESS', meta={'progress_percent': 20, 'progress_msg': 'Fetching your data...'})
ont_id_list = [ str(a[0]).lower() + 's' for a in config_q_res ]
ont_class_list = [ str(a[1]) for a in config_q_res ]
try:
Virtuoso = plugin("Virtuoso", Store)
store = Virtuoso(celery.conf.VIRTUOSO_ODBC)
ltw_conj_data_graph = ConjunctiveGraph(store=store)
graph_id = str(uuid.uuid4())
ltw_data_graph = ltw_conj_data_graph.get_context(graph_id)
except Exception, e:
raise Exception("Unable to connect to LTW data source: %s" % str(e))
progress_per_part = 70 / len(ont_class_list)
counter = Value('f', float(20))
max_processes = len(ont_class_list) if len(ont_class_list) <= celery.conf.MAX_MULTIPROCESSING else celery.conf.MAX_MULTIPROCESSING
pool = Pool(max_processes, p_q_initializer, [counter])
if len(ont_id_list) > 1:
fetch_msg = 'Fetching %s' % ', '.join(ont_id_list[:-1])
def test_get_plugin(self):
V = plugin("Virtuoso", Store)
assert V is Virtuoso