def tearDownClass(cls) -> None:
super().tearDownClass()
from qiskit.providers.ibmq import IBMQ
try:
IBMQ.disable_account()
except IBMQAccountCredentialsNotFound:
pass
def tearDownClass(cls) -> None:
# Reset the default providers, as in practice they acts as a singleton
# due to importing the wrapper from qiskit.
from qiskit.providers.ibmq import IBMQ
try:
IBMQ.disable_account()
except IBMQAccountCredentialsNotFound:
pass
from qiskit.providers.basicaer import BasicAer
BasicAer._backends = BasicAer._verify_backends()
def _enable_account(qe_token: str, qe_url: str) -> None:
"""Enable the account if one is not already active.
Args:
qe_token: API token.
qe_url: API URL.
"""
active_account = IBMQ.active_account()
if active_account:
if active_account.get('token', '') == qe_token:
return
IBMQ.disable_account()
IBMQ.enable_account(qe_token, qe_url)
def get_qpu(token, qpu_name):
"""Load account from token. Get backend."""
try:
try:
IBMQ.disable_account()
except:
pass
provider = IBMQ.enable_account(token, group="open")
backend = provider.get_backend(qpu_name)
return backend
except (QiskitBackendNotFoundError, RequestsApiError):
return None
def get_all_qpus_and_metrics_as_json_str(token: str):
try:
IBMQ.disable_account()
except:
pass
account_provider = IBMQ.enable_account(token)
backends = account_provider.backends()
with Pool(16) as p:
qpu_dtoes = p.map(backend_to_dto, backends)
result = QpuListEmbedded(QpuList(qpu_dtoes))
return QpuListEmbeddedSchema().dump(result)
def logout(cls, forget: bool = False) -> None:
if cls.account():
if forget:
QiskitIBMQ.delete_account()
QiskitIBMQ.disable_account()
