def filtered_backends(provider: AccountProvider, simulator: bool = False):
if simulator:
return provider.backends(operational=True,
filters=lambda b: b.configuration().n_qubits
>= 2 and b.configuration().simulator)
return provider.backends(operational=True,
filters=lambda b: b.configuration().n_qubits >= 2
and not b.configuration().simulator)
def most_busy_backend(provider: AccountProvider) -> IBMQBackend:
"""Return the most busy backend for the provider given.
Return the most busy available backend for those that
have a `pending_jobs` in their `status`. Backends such as
local backends that do not have this are not considered.
Args:
provider: IBM Quantum Experience account provider.
Returns:
The most busy backend.
"""
backends = provider.backends(simulator=False, operational=True)
return max([b for b in backends if b.configuration().n_qubits >= 5],
key=lambda b: b.status().pending_jobs)