def get_backend(self, name=None, **kwargs):
backends = self._backends.values()
# Special handling of the `name` parameter, to support alias resolution
# and deprecated names.
if name:
try:
resolved_name = resolve_backend_name(
name, backends, self._deprecated_backend_names(), {})
name = resolved_name
except LookupError as ex:
raise QiskitBackendNotFoundError(
f"The '{name}' backend is not installed in your system."
) from ex
return super().get_backend(name=name, **kwargs)
def backends(self, name=None, filters=None, **kwargs):
# pylint: disable=arguments-differ
backends = self._backends.values()
# Special handling of the `name` parameter, to support alias resolution
# and deprecated names.
if name:
try:
resolved_name = resolve_backend_name(
name, backends, self._deprecated_backend_names(), {}
)
backends = [backend for backend in backends if backend.name() == resolved_name]
except LookupError:
return []
return filter_backends(backends, filters=filters, **kwargs)
