def _verify(self, dependencies, value, op, typ):
attr_value = dependencies[0]
value = self._parse_key_value(None, value, typ)
if attr_value.can_compare(value) and comp(attr_value, value, op):
answer = 'yes'
else:
answer = 'no'
return answer
def QueryAttrQualifier(self, dependencies, inputs):
entity_ids, _ = dependencies[0]
entity_id = entity_ids[0]
key, value, qual_key = inputs[0], inputs[1], inputs[2]
value = self._parse_key_value(key, value)
for attr_info in self.entities[entity_id]['attributes']:
if attr_info['key']==key and attr_info['value'].can_compare(value) and \
comp(attr_info['value'], value, '='):
for qk, qvs in attr_info['qualifiers'].items():
if qk == qual_key:
return qvs[0]
return None
def _filter_attribute(self, entity_ids, tgt_key, tgt_value, op, typ):
tgt_value = self._parse_key_value(tgt_key, tgt_value, typ)
res_ids = []
res_facts = []
for i in entity_ids:
for attr_info in self.entities[i]['attributes']:
k, v = attr_info['key'], attr_info['value']
if k == tgt_key and v.can_compare(tgt_value) and comp(
v, tgt_value, op):
res_ids.append(i)
res_facts.append(attr_info)
return (res_ids, res_facts)
def _filter_qualifier(self, entity_ids, facts, tgt_key, tgt_value, op,
typ):
tgt_value = self._parse_key_value(tgt_key, tgt_value, typ)
res_ids = []
res_facts = []
for i, f in zip(entity_ids, facts):
for qk, qvs in f['qualifiers'].items():
if qk == tgt_key:
for qv in qvs:
if qv.can_compare(tgt_value) and comp(
qv, tgt_value, op):
res_ids.append(i)
res_facts.append(f)
return (res_ids, res_facts)
def QueryAttrUnderCondition(self, dependencies, inputs):
entity_ids, _ = dependencies[0]
entity_id = entity_ids[0]
key, qual_key, qual_value = inputs[0], inputs[1], inputs[2]
qual_value = self._parse_key_value(qual_key, qual_value)
for attr_info in self.entities[entity_id]['attributes']:
if key == attr_info['key']:
flag = False
for qk, qvs in attr_info['qualifiers'].items():
if qk == qual_key:
for qv in qvs:
if qv.can_compare(qual_value) and comp(
qv, qual_value, "="):
flag = True
break
if flag:
break
if flag:
v = attr_info['value']
break
return v