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9 changes: 4 additions & 5 deletions whyis/filters.py
Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,7 @@ def fromjson(json_text):

@app.template_filter('construct')
def construct_filter(query, graph=app.db, prefixes=None, values=None):
if not prefixes:
if prefixes is None:
prefixes = {}

def remap_bnode(x):
Expand All @@ -110,11 +110,10 @@ def remap_bnode(x):
params = { 'initNs': namespaces}
if values is not None:
params['initBindings'] = values
graph = rdflib.graph.ConjunctiveGraph()
conjunctive_graph = rdflib.graph.ConjunctiveGraph()
for stmt in graph.query(query, **params):
graph.add(tuple([remap_bnode(x) for x in stmt]))
print(len(graph))
return graph
conjunctive_graph.add(tuple([remap_bnode(x) for x in stmt]))
return conjunctive_graph

@app.template_filter('serialize')
def serialize_filter(graph, **kwargs):
Expand Down