def ask(subj, predicate="*", obj='*'):
if '*' not in (subj, predicate, obj):
return redis.sismember('r:%s:%s' % (subj, predicate), obj)
if subj == predicate == obj == '*':
raise RuntimeError('ask() cannot query in the form "* * *".')
if subj == obj == '*':
raise RuntimeError('ask() cannot query in the form "* <predicate> *".')
if subj == predicate == '*':
return set(tuple(x.split(':')) for x in redis.smembers('n:%s:obj' % obj))
if obj == predicate == '*':
return set(tuple(x.split(':')) for x in redis.smembers('n:%s:subj' % subj))
if subj == '*':
return redis.smembers("r:%s:%s" % (obj, predicate))
if predicate == '*':
return redis.smembers("r:%s::%s" % (obj, subj))
if obj == '*':
return redis.smembers('r:%s:%s' % (subj, predicate))
def get_types():
result = {
'type': get_type_type()
}
for slug in redis.smembers('types'):
src = redis.get('n:type:' + slug)
if src is None:
redis.srem('types', slug)
else:
result[slug] = json.loads(src)
return result
