def transpile(self, circuits):
"""
A wrapper to transpile circuits to allow algorithm access the transpiled circuits.
Args:
circuits (Union['QuantumCircuit', List['QuantumCircuit']]): circuits to transpile
Returns:
List['QuantumCircuit']: The transpiled circuits, it is always a list even though
the length is one.
"""
# pylint: disable=cyclic-import
from qiskit import compiler
if self._pass_manager is not None:
transpiled_circuits = self._pass_manager.run(circuits)
else:
transpiled_circuits = compiler.transpile(circuits, self._backend,
**self._backend_config,
**self._compile_config)
if not isinstance(transpiled_circuits, list):
transpiled_circuits = [transpiled_circuits]
if logger.isEnabledFor(logging.DEBUG) and self._circuit_summary:
logger.debug("==== Before transpiler ====")
logger.debug(circuit_utils.summarize_circuits(circuits))
if transpiled_circuits is not None:
logger.debug("==== After transpiler ====")
logger.debug(
circuit_utils.summarize_circuits(transpiled_circuits))
return transpiled_circuits
def transpile(self, circuits, pass_manager=None):
"""A wrapper to transpile circuits to allow algorithm access the transpiled circuits.
Args:
circuits (Union['QuantumCircuit', List['QuantumCircuit']]): circuits to transpile
pass_manager (Optional['PassManager']): A pass manager to transpile the circuits. If
none is given, but either ``pass_manager`` or ``bound_pass_manager`` has been set
in the initializer, these are run. If none has been provided there either, the
backend and compile configs from the initializer are used.
Returns:
List['QuantumCircuit']: The transpiled circuits, it is always a list even though
the length is one.
"""
# pylint: disable=cyclic-import
from qiskit import compiler
from qiskit.transpiler import PassManager
# if no pass manager here is given, check if they have been set in the init
if pass_manager is None:
# if they haven't been set in the init, use the transpile args from the init
if self._pass_manager is None and self._bound_pass_manager is None:
transpiled_circuits = compiler.transpile(
circuits, self._backend, **self._backend_config,
**self._compile_config)
# it they have been set, run them
else:
pass_manager = PassManager()
if self._pass_manager is not None:
pass_manager += self._pass_manager # check if None
if self._bound_pass_manager is not None:
pass_manager += self._bound_pass_manager
transpiled_circuits = pass_manager.run(circuits)
# custom pass manager set by user
else:
transpiled_circuits = pass_manager.run(circuits)
if not isinstance(transpiled_circuits, list):
transpiled_circuits = [transpiled_circuits]
if logger.isEnabledFor(logging.DEBUG) and self._circuit_summary:
logger.debug("==== Before transpiler ====")
logger.debug(circuit_utils.summarize_circuits(circuits))
if transpiled_circuits is not None:
logger.debug("==== After transpiler ====")
logger.debug(
circuit_utils.summarize_circuits(transpiled_circuits))
return transpiled_circuits