def _construct_topology_graph()

in src/braket/aws/aws_device.py [0:0]

• 19 lines of code
• 8 McCabe index (conditional complexity)

    def _construct_topology_graph(self) -> Graph:
        """
        Construct topology graph. If no such metadata is available, return `None`.

        Returns:
            Graph: topology of QPU as a networkx `Graph` object.
        """
        if hasattr(self.properties, "paradigm") and isinstance(
            self.properties.paradigm, GateModelQpuParadigmProperties
        ):
            if self.properties.paradigm.connectivity.fullyConnected:
                return complete_graph(int(self.properties.paradigm.qubitCount))
            adjacency_lists = self.properties.paradigm.connectivity.connectivityGraph
            edges = []
            for item in adjacency_lists.items():
                i = item[0]
                edges.extend([(int(i), int(j)) for j in item[1]])
            return from_edgelist(edges)
        elif hasattr(self.properties, "provider") and isinstance(
            self.properties.provider, DwaveProviderProperties
        ):
            edges = self.properties.provider.couplers
            return from_edgelist(edges)
        else:
            return None