from __future__ import annotations
from qiskit.providers import ProviderV1
from qiskit.providers.providerutils import filter_backends
from .hybridqasmsimulator import HybridQasmSimulatorBackend
from .hybridstatevectorsimulator import HybridStatevectorSimulatorBackend
from .pathqasmsimulator import PathQasmSimulatorBackend
from .pathstatevectorsimulator import PathStatevectorSimulatorBackend
from .qasmsimulator import QasmSimulatorBackend
from .statevectorsimulator import StatevectorSimulatorBackend
from .unitarysimulator import UnitarySimulatorBackend
[docs]
class DDSIMProvider(ProviderV1):
_BACKENDS = None
def __init__(self) -> None:
if DDSIMProvider._BACKENDS is None:
DDSIMProvider._BACKENDS = [
("qasm_simulator", QasmSimulatorBackend, None, None),
("statevector_simulator", StatevectorSimulatorBackend, None, None),
("hybrid_qasm_simulator", HybridQasmSimulatorBackend, None, None),
("hybrid_statevector_simulator", HybridStatevectorSimulatorBackend, None, None),
("path_sim_qasm_simulator", PathQasmSimulatorBackend, None, None),
("path_sim_statevector_simulator", PathStatevectorSimulatorBackend, None, None),
("unitary_simulator", UnitarySimulatorBackend, None, None),
]
[docs]
def get_backend(self, name=None, **kwargs):
return super().get_backend(name=name, **kwargs)
[docs]
def backends(self, name=None, filters=None, **kwargs):
# pylint: disable=arguments-differ
# Instantiate a new backend instance so if config options
# are set they will only last as long as that backend object exists
backends = []
for backend_name, backend_cls, method, device in self._BACKENDS:
opts = {"provider": self}
if method is not None:
opts["method"] = method
if device is not None:
opts["device"] = device
if name is None or backend_name == name:
backends.append(backend_cls(**opts))
return filter_backends(backends, filters=filters, **kwargs)
def __str__(self) -> str:
return "DDSIMProvider"