def _save(self, action):
if r.zscore('requests', action.id):
raise ValueError('Duplicated request: {}'.format(action.id))
submitted_by_ts = calendar.timegm(action.request.submitted_on.timetuple())
self._pipe.zadd('requests', submitted_by_ts, action.id)
self._request_key = 'requests:{}'.format(self._request_id)
self._pipe.hmset(self._request_key, {'submitted_by': action.request.submitted_by,
'submitted_on': action.request.submitted_on,
'message_id': action.request.message_id,
'id': self._request_id,
'__response_class': _fullname(action.response_class)(),
'type': action.__class__.__module__,
'__hash': action.id})
else:
return Literal(elm.replace('"', ''), datatype=XSD.string)
c, s, p, o = eval(x)
return c, __term(s), __term(p), __term(o)
for x in r.zrangebyscore('fragments:{}:stream'.format(fid), '-inf', '{}'.format(float(until))):
yield __triplify(x)
def add_stream_triple(fid, tp, (s, p, o), timestamp=None):
if timestamp is None:
timestamp = calendar.timegm(dt.utcnow().timetuple())
quad = (tp, s.n3(), p.n3(), o.n3())
stream_key = 'fragments:{}:stream'.format(fid)
not_found = not bool(r.zscore(stream_key, quad))
if not_found:
with r.pipeline() as pipe:
pipe.zadd(stream_key, timestamp, quad)
pipe.execute()
return not_found
class GraphProvider(object):
def __init__(self):
self.__graph_dict = {}
@staticmethod
def __clean(name):
shutil.rmtree('store/query/{}'.format(name))
