def fundamental_matrix(self, v):
session = Session()
res = session.query(table_obj).\
filter(table_obj.source == self.source['node_id']).\
filter(table_obj.destination == self.destination['node_id']).first()
if res:
res.fundamental = v
else:
edge = Edges(source=self.source['node_id'],
destination=self.destination['node_id'],
fundamental = v)
session.add(edge)
session.commit()
def ring(self, ring):
# Setters need a single session and so should not make use of the
# syntax sugar _from_db
session = Session()
res = session.query(Edges).\
filter(Edges.source == self.source['node_id']).\
filter(Edges.destination == self.destination['node_id']).first()
if res:
res.ring = ring
else:
edge = Edges(source=self.source['node_id'],
destination=self.destination['node_id'],
ring=ring)
session.add(edge)
session.commit()
return