def load_subgraph(name):
import vineyard
import graphscope
graph = self._session.g(generate_eid=False)
graph = graph.add_vertices(
Loader(vineyard.ObjectName("__%s_vertex_stream" % name)))
graph = graph.add_edges(
Loader(vineyard.ObjectName("__%s_edge_stream" % name)))
graph._ensure_loaded()
logger.info("subgraph has been loaded")
return graph
def load_subgraph(name):
import vineyard
# invoke load_from
g = self._graphscope_session.load_from(
edges=[Loader(vineyard.ObjectName("__%s_edge_stream" % name))],
vertices=[
Loader(vineyard.ObjectName("__%s_vertex_stream" % name))
],
generate_eid=False,
)
logger.info("subgraph has been loaded")
return g
def test_errors_on_file_format(
graphscope_session, one_column_file, double_type_id_file, empty_file
):
with pytest.raises(AnalyticalEngineInternalError, match="Index out of range: 1"):
g1 = graphscope_session.load_from(edges=one_column_file)
with pytest.raises(
AnalyticalEngineInternalError, match="CSV conversion error to int64"
):
g2 = graphscope_session.load_from(edges=double_type_id_file)
with pytest.raises(AnalyticalEngineInternalError, match="End Of File"):
g3 = graphscope_session.load_from(edges=empty_file)
with pytest.raises(AnalyticalEngineInternalError, match="Object not exists"):
g4 = graphscope_session.load_from(vineyard.ObjectName("non_exist_vy_name"))
def test_errors_on_files(graphscope_session, one_column_file,
double_type_id_file, empty_file):
with pytest.raises(AnalyticalEngineInternalError,
match="Object not exists"):
Graph(graphscope_session,
vineyard.ObjectName("non_exist_vy_name"))._ensure_loaded()
return
graph = Graph(graphscope_session)
with pytest.raises(AnalyticalEngineInternalError, match="IOError"):
non_existing_file = "file:///abc"
graph.add_edges(Loader(non_existing_file))._ensure_loaded()
with pytest.raises(AnalyticalEngineInternalError,
match="Index out of range: 1"):
graph.add_edges(one_column_file)._ensure_loaded()
with pytest.raises(AnalyticalEngineInternalError,
match="CSV conversion error to int64"):
graph.add_edges(double_type_id_file)._ensure_loaded()
with pytest.raises(AnalyticalEngineInternalError, match="End Of File"):
graph.add_edges(empty_file)._ensure_loaded()
def test_errors_on_files(graphscope_session, one_column_file,
double_type_id_file, empty_file):
with pytest.raises(AnalyticalEngineInternalError,
match="Object not exists"):
graphscope_session.g(vineyard.ObjectName("non_exist_vy_name"))