def create_run_records(self, message: Message):
"""
Creates or gets the necessary records to construct a ReductionRun
"""
# This must be done before looking up the run version to make sure the record exists
experiment = db_access.get_experiment(message.rb_number)
run_version = db_access.find_highest_run_version(
experiment, run_number=str(message.run_number))
message.run_version = run_version
instrument = db_access.get_instrument(str(message.instrument))
script = ReductionScript(instrument.name)
script_text = script.text()
# Make the new reduction run with the information collected so far
reduction_run = db_records.create_reduction_run_record(
experiment=experiment,
instrument=instrument,
message=message,
run_version=run_version,
script_text=script_text,
status=self.status.get_queued())
reduction_run.save()
# Create a new data location entry which has a foreign key linking it to the current
# reduction run. The file path itself will point to a datafile
# (e.g. "/isis/inst$/NDXWISH/Instrument/data/cycle_17_1/WISH00038774.nxs")
data_location = self.data_model.DataLocation(
file_path=message.data, reduction_run_id=reduction_run.pk)
data_location.save()
return reduction_run, message, instrument
def data_ready(self, message: Message):
"""
Called when destination queue was data_ready.
Updates the reduction run in the database.
"""
self._logger.info("Data ready for processing run %s on %s",
message.run_number, message.instrument)
if not validate_rb_number(message.rb_number):
# rb_number is invalid so send message to skip queue and early return
message.message = f"Found non-integer RB number: {message.rb_number}"
self._logger.warning("%s. Skipping %s%s.", message.message,
message.instrument, message.run_number)
message.rb_number = 0
run_no = str(message.run_number)
instrument = self._get_and_activate_db_inst(message.instrument)
status = self._utils.status.get_skipped() if instrument.is_paused \
else self._utils.status.get_queued()
# This must be done before looking up the run version to make sure
# the record exists
experiment = db_access.get_experiment(message.rb_number, create=True)
run_version = db_access.find_highest_run_version(run_number=run_no,
experiment=experiment)
run_version += 1
message.run_version = run_version
# Get the script text for the current instrument. If the script text
# is null then send to
# error queue
script_text = self._utils. \
instrument_variable.get_current_script_text(instrument.name)[0]
if script_text is None:
self.reduction_error(message)
raise InvalidStateException(
"Script text for current instrument is null")
# Make the new reduction run with the information collected so far
# and add it into the database
reduction_run = db_records.create_reduction_run_record(
experiment=experiment,
instrument=instrument,
message=message,
run_version=run_version,
script_text=script_text,
status=status)
db_access.save_record(reduction_run)
# Create a new data location entry which has a foreign key linking
# it to the current
# reduction run. The file path itself will point to a datafile
# (e.g. "\isis\inst$\NDXWISH\Instrument\data\cycle_17_1\WISH00038774
# .nxs")
data_location = self._data_model.DataLocation(
file_path=message.data, reduction_run_id=reduction_run.id)
db_access.save_record(data_location)
# We now need to create all of the variables for the run such that
# the script can run
# through in the desired way
self._logger.info('Creating variables for run')
variables = self._utils.instrument_variable.create_variables_for_run(
reduction_run)
if not variables:
self._logger.warning(
"No instrument variables found on %s for run %s",
instrument.name, message.run_number)
self._logger.info('Getting script and arguments')
reduction_script, arguments = self._utils.reduction_run. \
get_script_and_arguments(reduction_run)
message.reduction_script = reduction_script
message.reduction_arguments = arguments
# Make sure the RB number is valid
try:
message.validate("/queue/DataReady")
except RuntimeError as validation_err:
self._logger.error("Validation error from handler: %s",
str(validation_err))
self._client.send_message('/queue/ReductionSkipped', message)
return
if instrument.is_paused:
self._logger.info("Run %s has been skipped", message.run_number)
else:
self._client.send_message('/queue/ReductionPending', message)
self._logger.info("Run %s ready for reduction", message.run_number)
