def prolog_persist(self):
""" persist all currently asserted dynamic memory predicates from the prolog KB """
# q = 'predicate_property(Head, (dynamic)), clause(Head,Bod).'
# for r in self.prolog_query(q):
# logging.info(repr(r))
# # print "%s" % repr(r)
self.session.query(model.Mem).delete()
q = u'memory(REALM, K, V, S).'
for r in self.prolog_query(q):
# logging.info(repr(r))
realm = r[0].name
k = r[1].name
v = xsb_to_json(r[2])
score = r[3]
m = model.Mem(realm=realm, k=k, v=v, score=score)
self.session.add(m)
# import pdb; pdb.set_trace()
self.session.commit()
def mem_set(self, realm, k, v):
self.session.query(model.Mem).filter(model.Mem.realm == realm).filter(
model.Mem.k == k).delete()
m = model.Mem(realm=realm, k=k, v=json.dumps(v))
self.session.add(m)