def get_fragment_graph(fid):
if not r.sismember('{}:fragments'.format(AGENT_ID), fid):
raise NotFound('The fragment {} does not exist'.format(fid))
lock = fragment_lock(fid)
lock.acquire()
try:
response = make_response(fragment_graph(fid).serialize(format='turtle'))
response.headers['Content-Type'] = 'text/turtle'
finally:
lock.release()
return response
def get_fragment(**kwargs):
fid = kwargs['id']
lock = fragment_lock(fid)
lock.acquire()
try:
updated = r.get('{}:fragments:{}:updated'.format(AGENT_ID, fid))
if updated:
kwargs['last_updated'] = updated
kwargs['triples'] = len(fragment_graph(fid))
pulling = r.get('{}:fragments:{}:pulling'.format(AGENT_ID, fid))
kwargs['pulling'] = False if pulling is None else eval(pulling)
return kwargs
finally:
lock.release()
def __init__(self, rid):
self.__sink = StreamSink()
self.__sink.load(rid)
self.__fragment_lock = fragment_lock(self.__sink.fragment_id)
super(StreamResponse, self).__init__(rid)
def __init__(self, rid):
# The creation of a response always require to load its corresponding sink
self.__sink = QuerySink()
self.__sink.load(rid)
super(QueryResponse, self).__init__(rid)
self.__fragment_lock = fragment_lock(self.__sink.fragment_id)
