g} dZddlmZddlmZddlmZddlmZddl Z ddl m Z ddl m Z dd lmZdd lmZdd lmZd d lmZe jeZegZGddeZdS)zDProvider for basic simulator backends, formerly known as `BasicAer`.) annotations)Callable) OrderedDict)TypeN) QiskitError)Backend) ProviderV1)QiskitBackendNotFoundError)filter_backends)BasicSimulatorcVeZdZdZdfd Zddfd Z ddd ZddZddZddZ xZ S) BasicProviderzProvider for test simulators.returnNoneczt||_dSN)super__init___verify_backends _backends)self __class__s d/granary/edev/quantum/lib/python3.11/site-packages/qiskit/providers/basic_provider/basic_provider.pyrzBasicProvider.__init__)s2 ..00Nname str | Nonerc :tjdd|i|S)Nr)r get_backend)rrkwargsrs rr zBasicProvider.get_backend/s%"uww"777777rfiltersCallable | None list[Backend]c |j}|r#d|D}||vrtd|dt|fd|i|S)NcZg|](}|jdkr|n|j)S)r )versionr).0backends r z*BasicProvider.backends..7s?MT'/Q"6"6 GLrzThe 'z*' backend is not installed in your system.r")rvaluesr r )rrr"r!backends availables rr,zBasicProvider.backends2s>((**  X`I9$$0LDLLLxCCCFCCCrOrderedDict[str, Backend]cxt}tD]#}||}|j}|||<$|S)aw Return the test backends in `BACKENDS` that are effectively available (as some of them might depend on the presence of an optional dependency or on the existence of a binary). Returns: dict[str:Backend]: a dict of test backend instances for the backends that could be instantiated, keyed by backend name. )r SIMULATORS_get_backend_instancer)rret backend_clsbackend_instance backend_names rrzBasicProvider._verify_backends@sJmm% 1 1K#99+FF +0L 0C   rr3 Type[Backend]cr ||}n(#t$r}td|d||d}~wwxYw|S)a  Return an instance of a backend from its class. Args: backend_cls (class): backend class. Returns: Backend: a backend instance. Raises: QiskitError: if the backend could not be instantiated. )providerzBackend z could not be instantiated: N) Exceptionr)rr3r4errs rr1z#BasicProvider._get_backend_instanceQsl b*{D999   b b bWWWRUWWXX^a a b s  4/4strcdS)Nrr)rs r__str__zBasicProvider.__str__dsr)rrr)rrrr)NN)rrr"r#rr$)rr.)r3r6rr)rr;) __name__ __module__ __qualname____doc__rr r,rr1r= __classcell__)rs@rrr&s''111111 8888888CG D D D D D"    &rr)rA __future__rcollections.abcr collectionsrtypingrloggingqiskit.exceptionsrqiskit.providers.backendrqiskit.providers.providerr qiskit.providers.exceptionsr qiskit.providers.providerutilsr basic_simulatorr getLoggerr>loggerr0rrrrrPsKJ""""""$$$$$$######)))))),,,,,,000000BBBBBB::::::++++++  8 $ $  ?????J?????r