def read_run_results(run: RunObject, schema: ResultSchema, rundir: str):
"""Read the run results from the result file that is specified in the workflow
result schema. If the file is not found we currently do not raise an error.
Parameters
----------
run: flowserv.model.base.RunObject
Handle for a workflow run.
schema: flowserv.model.template.schema.ResultSchema
Workflow result schema specification that contains the reference to the
result file key.
rundir: string
Directory containing run result files.
"""
filename = os.path.join(rundir, schema.result_file)
if os.path.exists(filename):
results = util.read_object(filename)
# Create a dictionary of result values.
values = dict()
for col in schema.columns:
val = util.jquery(doc=results, path=col.jpath())
col_id = col.column_id
if val is None and col.required:
msg = "missing value for '{}'".format(col_id)
raise err.ConstraintViolationError(msg)
elif val is not None:
values[col_id] = col.cast(val)
run.result = values
def read_run_results(run: RunObject, schema: ResultSchema,
runstore: StorageVolume):
"""Read the run results from the result file that is specified in the workflow
result schema. If the file is not found we currently do not raise an error.
Parameters
----------
run: flowserv.model.base.RunObject
Handle for a workflow run.
schema: flowserv.model.template.schema.ResultSchema
Workflow result schema specification that contains the reference to the
result file key.
runstore: flowserv.volume.base.StorageVolume
Storage volume containing the run (result) files for a successful
workflow run.
"""
with runstore.load(schema.result_file).open() as f:
results = util.read_object(f)
# Create a dictionary of result values.
values = dict()
for col in schema.columns:
val = util.jquery(doc=results, path=col.jpath())
col_id = col.column_id
if val is None and col.required:
msg = "missing value for '{}'".format(col_id)
raise err.ConstraintViolationError(msg)
elif val is not None:
values[col_id] = col.cast(val)
run.result = values