DAGNode¶

class DAGNode(type=None, op=None, name=None, qargs=None, cargs=None, condition=None, wire=None, nid=- 1)[source]¶

Object to represent the information at a node in the DAGCircuit.

It is used as the return value from *_nodes() functions and can be supplied to functions that take a node.

Create a node

Attributes

`DAGNode.type`
`DAGNode.name`
`DAGNode.cargs`
`DAGNode.condition`
`DAGNode.sort_key`
`DAGNode.op`	Returns the Instruction object corresponding to the op for the node, else None
`DAGNode.qargs`	Returns list of Qubit, else an empty list.
`DAGNode.wire`	Returns the Bit object, else None.

Methods

Check if DAG nodes are considered equivalent, e.g., as a node_match for nx.is_isomorphic.