def register_and_get_operational_backends(*args,
provider_class=IBMQProvider,
**kwargs):
try:
for provider in q_registered_providers():
if isinstance(provider, provider_class):
q_unregister(provider)
logger.debug(
"Provider '{}' unregistered with Qiskit successfully.".
format(provider_class))
break
except Exception as e:
logger.debug(
"Failed to unregister provider '{}' with Qiskit: {}".format(
provider_class, str(e)))
preferences = Preferences()
if args or kwargs or preferences.get_token() is not None:
try:
q_register(*args, provider_class=provider_class, **kwargs)
logger.debug(
"Provider '{}' registered with Qiskit successfully.".
format(provider_class))
except Exception as e:
logger.debug(
"Failed to register provider '{}' with Qiskit: {}".format(
provider_class, str(e)))
backends = available_backends()
backends = [
x for x in backends
if x not in QuantumAlgorithm.UNSUPPORTED_BACKENDS
]
return backends
def register_and_get_operational_backends(qconfig):
try:
for provider in q_registered_providers():
if isinstance(provider,IBMQProvider):
q_unregister(provider)
logger.debug("Provider 'IBMQProvider' unregistered with Qiskit successfully.")
break
except Exception as e:
logger.debug("Failed to unregister provider 'IBMQProvider' with Qiskit: {}".format(str(e)))
if qconfig is not None:
hub = qconfig.config.get('hub', None)
group = qconfig.config.get('group', None)
project = qconfig.config.get('project', None)
proxies = qconfig.config.get('proxies', None)
verify = qconfig.config.get('verify', True)
try:
q_register(qconfig.APItoken,
provider_class=IBMQProvider,
url=qconfig.config["url"],
hub=hub,
group=group,
project=project,
proxies=proxies,
verify=verify)
logger.debug("Provider 'IBMQProvider' registered with Qiskit successfully.")
except Exception as e:
logger.debug("Failed to register provider 'IBMQProvider' with Qiskit: {}".format(str(e)))
backends = available_backends()
backends = [x for x in backends if x not in QuantumAlgorithm.UNSUPPORTED_BACKENDS]
return backends