FlowController

class qiskit.transpiler.FlowController(passes, options, **partial_controller)

Bases: object

Base class for multiple types of working list.

This class is a base class for multiple types of working list. When you iterate on it, it returns the next pass to run.

Attributes

registered_controllers = {'condition': <class 'qiskit.transpiler.runningpassmanager.ConditionalController'>, 'do_while': <class 'qiskit.transpiler.runningpassmanager.DoWhileController'>}

Methods

classmethod add_flow_controller(name, controller)

Adds a flow controller.

Parameter:

• name (string) – Name of the controller to add.

• controller (type(FlowController)) – The class implementing a flow controller.

classmethod controller_factory(passes, options, **partial_controller)

Constructs a flow controller based on the partially evaluated controller arguments.

Parameter:

• passes (list[TBasePass]) – passes to add to the flow controller.

• options (dict) – PassManager options.

• **partial_controller (dict) – Partially evaluated controller arguments in the form {name:partial}

Verursacht:

TranspilerError – When partial_controller is not well-formed.

Rückgabe:

A FlowController instance.

Rückgabetyp:

FlowController

dump_passes()

Fetches the passes added to this flow controller.

Rückgabe:

{‚options‘: self.options, ‚passes‘: [passes], ‚type‘: type(self)}

Rückgabetyp:

dict

classmethod remove_flow_controller(name)

Removes a flow controller.

Parameter:

name (string) – Name of the controller to remove.

Verursacht:

KeyError – If the controller to remove was not registered.