RuntimeJobV2
class RuntimeJobV2(backend, api_client, client_params, job_id, program_id, service, creation_date=None, user_callback=None, result_decoder=None, image='', session_id=None, tags=None, version=None)
Representation of a runtime V2 primitive exeuction.
RuntimeJob constructor.
Parameters
- backend (
Backend) – The backend instance used to run this job. - api_client (
RuntimeClient) – Object for connecting to the server. - client_params (
ClientParameters) – Parameters used for server connection. - job_id (
str) – Job ID. - program_id (
str) – ID of the program this job is for. - creation_date (
Optional[str]) – Job creation date, in UTC. - user_callback (
Optional[Callable]) – User callback function. - result_decoder (
Union[Type[ResultDecoder],Sequence[Type[ResultDecoder]],None]) – AResultDecodersubclass used to decode job results. - image (
Optional[str]) – Runtime image used for this job: image_name:tag. - service (
QiskitRuntimeService) – Runtime service. - session_id (
Optional[str]) – Job ID of the first job in a runtime session. - tags (
Optional[List]) – Tags assigned to the job. - version (
Optional[int]) – Primitive version.
Attributes
ERROR
Type: str | RuntimeJobStatus
Default value: 'ERROR'
JOB_FINAL_STATES
Type: Tuple[Literal['INITIALIZING', 'QUEUED', 'RUNNING', 'CANCELLED', 'DONE', 'ERROR'], ...]
Default value: ('DONE', 'CANCELLED', 'ERROR')
creation_date
Job creation date in local time.
Return type
Optional[datetime]
Returns
The job creation date as a datetime object, in local time, or None if creation date is not available.
image
Return the runtime image used for the job.
Returns
image_name:tag or “” if the default image is used.
Return type
Runtime image
inputs
Job input parameters.
Return type
Dict
Returns
Input parameters used in this job.
instance
For ibm_quantum channel jobs, return the instance where the job was run. For ibm_cloud, None is returned.
Return type
Optional[str]
primitive_id
Primitive name. :rtype: str :returns: Primitive this job is for.
session_id
Session ID.
Return type
str
Returns
Session ID. None if the backend is a simulator.
tags
Job tags.
Return type
List
Returns
Tags assigned to the job that can be used for filtering.
usage_estimation
Return the usage estimation infromation for this job.
Return type
Dict[str, Any]
Returns
quantum_seconds which is the estimated system execution time of the job in seconds. Quantum time represents the time that the system is dedicated to processing your job.
Methods
backend
backend(timeout=None)
Return the backend where this job was executed. Retrieve data again if backend is None.
Raises
IBMRuntimeError – If a network error occurred.
Return type
Optional[Backend]
cancel
cancel()
Cancel the job.
Raises
- RuntimeInvalidStateError – If the job is in a state that cannot be cancelled.
- IBMRuntimeError – If unable to cancel job.
Return type
None
cancel_result_streaming
cancelled
done
error_message
error_message()
Returns the reason if the job failed.
Return type
Optional[str]
Returns
Error message string or None.
errored
in_final_state
in_final_state()
Return whether the job is in a final job state such as DONE or ERROR.
Return type
bool
interim_results
interim_results(decoder=None)
Return the interim results of the job.
Parameters
decoder (Optional[Type[ResultDecoder]]) – A ResultDecoder subclass used to decode interim results.
Return type
Any
Returns
Runtime job interim results.
Raises
RuntimeJobFailureError – If the job failed.
job_id
job_id()
Return a unique id identifying the job.
Return type
str
logs
logs()
Return job logs.
Job logs are only available after the job finishes.
Return type
str
Returns
Job logs, including standard output and error.
Raises
IBMRuntimeError – If a network error occurred.
metrics
metrics()
Return job metrics.
Returns
-
timestamps: Timestamps of when the job was created, started running, and finished. -
usage: Details regarding job usage, the measurement of the amount oftime the QPU is locked for your workload.
Return type
A dictionary with job metrics including but not limited to the following
Raises
IBMRuntimeError – If a network error occurred.
properties
properties(refresh=False)
Return the backend properties for this job.
Parameters
refresh (bool) – If True, re-query the server for the backend properties. Otherwise, return a cached version.
Return type
Optional[BackendProperties]
Returns
The backend properties used for this job, at the time the job was run, or None if properties are not available.
result
result(timeout=None, decoder=None)
Return the results of the job.
Parameters
- timeout (
Optional[float]) – Number of seconds to wait for job. - decoder (
Optional[Type[ResultDecoder]]) – AResultDecodersubclass used to decode job results.
Return type
Any
Returns
Runtime job result.
Raises
- RuntimeJobFailureError – If the job failed.
- RuntimeJobMaxTimeoutError – If the job does not complete within given timeout.
- RuntimeInvalidStateError – If the job was cancelled, and attempting to retrieve result.
running
status
status()
Return the status of the job.
Return type
Literal[‘INITIALIZING’, ‘QUEUED’, ‘RUNNING’, ‘CANCELLED’, ‘DONE’, ‘ERROR’]
Returns
Status of this job.
stream_results
stream_results(callback, decoder=None)
Start streaming job results.
Parameters
-
callback (
Callable) –Callback function to be invoked for any interim results and final result. The callback function will receive 2 positional parameters:
- Job ID
- Job result.
-
decoder (
Optional[Type[ResultDecoder]]) – AResultDecodersubclass used to decode job results.
Raises
RuntimeInvalidStateError – If a callback function is already streaming results or if the job already finished.
Return type
None
update_tags
update_tags(new_tags)
Update the tags associated with this job.
Parameters
new_tags (List[str]) – New tags to assign to the job.
Return type
List[str]
Returns
The new tags associated with this job.
Raises
IBMApiError – If an unexpected error occurred when communicating with the server or updating the job tags.
usage
wait_for_final_state
wait_for_final_state(timeout=None)
Poll for the job status from the API until the status is in a final state.
Parameters
timeout (Optional[float]) – Seconds to wait for the job. If None, wait indefinitely.
Raises
RuntimeJobTimeoutError – If the job does not complete within given timeout.
Return type
None