def list_instances(self, offset: int = 0, limit: Optional[int] = None,
with_info: bool = False) -> List[GraphInstanceInfo]:
"""List all known graph instances.
If with_info is false, only instance_id will be received.
:returns List[GraphInstanceInfo]: List of received graph instances
"""
data = {offset: offset, with_info: '1' if with_info else '0'}
if limit is not None:
data['limit'] = limit
return [GraphInstanceInfo.create(_)
for _ in requests.get(self._url_prefix + 'instances', params=data).json()['payload']]
def add_graph_instance(self, instance_id: str, graph_struct: GraphStruct) -> GraphInstanceInfo:
instance = GraphInstanceInfo()
instance.instance_id = instance_id
instance.structure = graph_struct
self.backend.write_graph_instance_info(instance_id, instance)
return instance
def list_graph_instance_info(self, with_info: bool = False) -> Iterator[Tuple[str, Optional[GraphInstanceInfo]]]:
for instance_id, instance_info in self.instances.iterate_all(include_value=with_info):
yield instance_id, GraphInstanceInfo.create(instance_info) if instance_info else None
def write_graph_instance_info(self, instance_id: str, instance_info: GraphInstanceInfo):
return self.instances.put(instance_id, instance_info.to_json())
def read_graph_instance_info(self, instance_id: str) -> GraphInstanceInfo:
return GraphInstanceInfo.create(self.instances.get(instance_id))
def read_instance(self, instance_id: str) -> GraphInstanceInfo:
"""Read info about a specified graph's instance.
:returns GraphInstanceInfo: info about a graph's instance
"""
return GraphInstanceInfo.create(requests.get(self._get_instance_url(instance_id)).json()['payload'])
