voiage.contracts.capabilities.select_backend

select_backend

select_backend([positional or keyword] backends: Sequence[CapabilityBackend] = None, [positional or keyword] requirements: KernelRequirements = None) -> CapabilityBackend

Return the first capable backend or fail with complete evidence.

Parameters:

• backends Sequence[CapabilityBackend]
• requirements KernelRequirements

Returns: CapabilityBackend