Source code for qiskit_research.utils.backend
# (C) Copyright IBM 2022.
#
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
#
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.
"""Utilities for dealing with backends."""
from typing import Optional
from qiskit.providers import Backend, Provider
from qiskit_aer import AerSimulator
[docs]
def get_backend(
name: str, provider: Optional[Provider], seed_simulator: Optional[int] = None
) -> Backend:
"""Retrieve a backend."""
if provider is not None:
return provider.get_backend(name)
if name == "aer_simulator":
return AerSimulator(seed_simulator=seed_simulator)
raise ValueError("The given name does not match any supported backends.")