def sage_query_construct(config_file, default_graph_uri, query, file, format,
limit):
"""
Execute a SPARQL CONSTRUCT query to a SaGe server.
Example usage: sage-construct config.yaml http://example.org/swdf-postgres -f queries/construct.sparql
"""
# assert that we have a query to evaluate
if query is None and file is None:
print(
"Error: you must specificy a query to execute, either with --query or --file. See sage-query --help for more informations."
)
exit(1)
if limit is None:
limit = inf
# load query from file if required
if file is not None:
with open(file) as query_file:
query = query_file.read()
client = TestClient(run_app(config_file))
nbResults = 0
nbCalls = 0
hasNext = True
next_link = None
g = Graph()
start = time()
while hasNext:
response = post_sparql(client, query, next_link, default_graph_uri)
response = response.json()
nbResults += len(response['bindings'])
hasNext = response['hasNext']
next_link = response['next']
nbCalls += 1
buffer = ""
for triple in response['bindings']:
line = triple['s'] + " " + triple['p'] + " " + triple['o'] + " . \n"
buffer = buffer + line
g.parse(data=buffer, format='nt')
logger.info("{} calls, {} triples, {} triples in graph".format(
nbCalls, nbResults, len(g)))
if len(g) >= limit:
break
end = time()
logger.info("finished in {}s".format(end - start))
logger.info("made {} calls".format(nbCalls))
logger.info("got {} triples".format(nbResults))
logger.info("gathered a graph of {} triples".format(len(g)))
print(g.serialize(format=format).decode('utf8'))
def setup_class(self):
self._app = run_app('tests/data/test_config.yaml')
self._client = TestClient(self._app)
def start_sage_server(config, port, workers, host, log_level):
"""Launch the Sage server using the CONFIG configuration file"""
app = run_app(config)
uvicorn.run(app, port=port, host=host, log_level=log_level)
def setup_method(self):
self._app = run_app('tests/update/config.yaml')
self._client = TestClient(self._app)
def sage_query(config_file, default_graph_uri, query, file, limit):
"""
Execute a SPARQL query on an embedded Sage Server.
Example usage: sage-query config.yaml http://example.org/swdf-postgres -f queries/spo.sparql
"""
# assert that we have a query to evaluate
if query is None and file is None:
print("Error: you must specificy a query to execute, either with --query or --file. See sage-query --help for more informations.")
exit(1)
if limit is None:
limit = inf
# load query from file if required
if file is not None:
with open(file) as query_file:
query = query_file.read()
# dataset = load_config(config_file)
# if not dataset.has_graph(default_graph_uri):
# print("Error: the config_file does not define your {default_graph_uri}.")
client=TestClient(run_app(config_file))
nbResults = 0
nbCalls = 0
hasNext = True
next_link = None
count=0
start = time()
while hasNext:
response = post_sparql(client, query, next_link, default_graph_uri)
response = response.json()
nbResults += len(response['bindings'])
hasNext = response['hasNext']
next_link = response['next']
nbCalls += 1
for bindings in response['bindings']:
print(bindings)
# for k,v in bindings.items():
# print(f"{v} ")
if next_link is not None:
saved_plan = next_link
plan = decode_saved_plan(saved_plan)
root = RootTree()
root.ParseFromString(plan)
prog,card=progress(root)
logger.info(f"progression {prog}/{card}:{prog/card*100}%")
count += 1
if count >= limit:
break
end= time()
logger.info("finished in {}s".format(end-start))
logger.info("made {} calls".format(nbCalls))
logger.info("got {} mappings".format(nbResults))