示例#1
0
def example3():
    X = hither.File()
    create_text_file.run(text='some-text',
                         intentional_exception=False,
                         output_file=X)
    print_file.run(input_file=X)

    with hither.config(exception_on_fail=False):
        X2 = hither.File()
        create_text_file.run(text='some-text',
                             intentional_exception=True,
                             output_file=X2)
        result = print_file.run(input_file=X2)
        print(result.success)
def test_sort(sorter_name,
              min_avg_accuracy,
              recording_path,
              sorting_true_path,
              num_jobs=1,
              job_handler=None,
              container='default'):
    from spikeforest2 import sorters
    from spikeforest2 import processing
    import hither_sf as hither
    import kachery as ka

    # for now, in this test, don't use gpu for irc
    gpu = sorter_name in ['kilosort2', 'kilosort', 'tridesclous', 'ironclust']

    sorting_results = []
    with ka.config(fr='default_readonly'):
        with hither.config(container=container,
                           gpu=gpu,
                           job_handler=job_handler), hither.job_queue():
            sorter = getattr(sorters, sorter_name)
            for _ in range(num_jobs):
                sorting_result = sorter.run(recording_path=recording_path,
                                            sorting_out=hither.File())
                sorting_results.append(sorting_result)

    assert sorting_result.success

    sorting_result = sorting_results[0]
    with ka.config(fr='default_readonly'):
        with hither.config(container='default', gpu=False):
            compare_result = processing.compare_with_truth.run(
                sorting_path=sorting_result.outputs.sorting_out,
                sorting_true_path=sorting_true_path,
                json_out=hither.File())

    assert compare_result.success

    obj = ka.load_object(compare_result.outputs.json_out._path)

    aa = _average_accuracy(obj)

    print(F'AVERAGE-ACCURACY: {aa}')

    assert aa >= min_avg_accuracy, f"Average accuracy is lower than expected {aa} < {min_avg_accuracy}"

    print('Passed.')
示例#3
0
 def add_job(self, job):
     self._jobs.append(job)
     sorter_name = job['sorterName']
     recording_path = job['recordingPath']
     sorter = getattr(sorters, sorter_name)
     with hither.config(container='default'), hither.job_queue():
         sorting_result = sorter.run(recording_path=recording_path,
                                     sorting_out=hither.File())
     job['status'] = 'finished'
     for handler in self._job_updated_handlers:
         handler(job)
示例#4
0
def sort(algorithm: str, recording_path: str):
    from spikeforest2 import sorters
    if not hasattr(sorters, algorithm):
        raise Exception('Sorter not found: {}'.format(algorithm))
    sorter = getattr(sorters, algorithm)
    if algorithm in ['kilosort2', 'kilosort', 'ironclust', 'tridesclous']:
        gpu = True
    else:
        gpu = False
    with hither.config(gpu=gpu):
        result = sorter.run(recording_path=recording_path,
                            sorting_out=hither.File())
    print('SORTING')
    print('==============================================')
    return ka.store_file(result.outputs.sorting_out._path,
                         basename='firings.mda')
示例#5
0
def sort(algorithm: str, recording_path: str, sorting_out: str=None, 
    params: dict=None, container: str='default', git_annex_mode=True, 
    use_singularity: bool=False, job_timeout: float=3600
)->str:
    
    from spikeforest2 import sorters
    HITHER_USE_SINGULARITY = os.getenv('HITHER_USE_SINGULARITY')
    if HITHER_USE_SINGULARITY is None:
        HITHER_USE_SINGULARITY = False
    print('HITHER_USE_SINGULARITY: ' + HITHER_USE_SINGULARITY)
    if not hasattr(sorters, algorithm):
        raise Exception('Sorter not found: {}'.format(algorithm))    
    sorter = getattr(sorters, algorithm)
    if algorithm in ['kilosort2', 'kilosort', 'ironclust', 'tridesclous', 'jrclust']:
        gpu = True
    else:
        gpu = False
    if not sorting_out:
        sorting_out = hither.File()
    if not recording_path.startswith('sha1dir://') or not recording_path.startswith('sha1://'):
        if os.path.isfile(recording_path):
            recording_path = ka.store_file(recording_path)
        elif os.path.isdir(recording_path):
            recording_path = ka.store_dir(recording_path, git_annex_mode = git_annex_mode)     
    if params is None:
        params = dict()
    params_hither = dict(gpu=gpu, container=container)    
    if job_timeout is not None:
        params_hither['job_timeout'] = job_timeout
    with hither.config(**params_hither):
        result = sorter.run(recording_path=recording_path, sorting_out=sorting_out, **params)
    print('SORTING')
    print('==============================================')
    return ka.store_file(result.outputs.sorting_out._path, basename='firings.mda')


# def set_params(sorter, params_file):
#     params = {}
#     names_float = ['detection_thresh']
#     with open(params_file, 'r') as myfile:
#         for line in myfile:
#             name, var = line.partition("=")[::2]
#             name = name.strip()

#             params[name.strip()] = var
#     sorter.set_params(**params)
#!/usr/bin/env python

from spikeforest2 import sorters
import hither_sf as hither
import kachery as ka

recording_path = 'sha1://961f4a641af64dded4821610189f808f0192de4d/SYNTH_MEAREC_TETRODE/synth_mearec_tetrode_noise10_K10_C4/002_synth.json'

with ka.config(fr='default_readonly'):
    #with hither.config(cache='default_readwrite'):
    with hither.config(container='default'):
        result = sorters.tridesclous.run(recording_path=recording_path,
                                         sorting_out=hither.File())

print(result.outputs.sorting_out)
示例#7
0
def main():
    from spikeforest2 import sorters
    from spikeforest2 import processing

    parser = argparse.ArgumentParser(
        description='Run the SpikeForest2 main analysis')
    # parser.add_argument('analysis_file', help='Path to the analysis specification file (.json format).')
    # parser.add_argument('--config', help='Configuration file', required=True)
    # parser.add_argument('--output', help='Analysis output file (.json format)', required=True)
    # parser.add_argument('--slurm', help='Optional SLURM configuration file (.json format)', required=False, default=None)
    # parser.add_argument('--verbose', help='Provide some additional verbose output.', action='store_true')
    parser.add_argument(
        'spec',
        help='Path to the .json file containing the analysis specification')
    parser.add_argument('--output',
                        '-o',
                        help='The output .json file',
                        required=True)
    parser.add_argument('--force-run',
                        help='Force rerunning of all spike sorting',
                        action='store_true')
    parser.add_argument(
        '--force-run-all',
        help='Force rerunning of all spike sorting and other processing',
        action='store_true')
    parser.add_argument('--parallel',
                        help='Optional number of parallel jobs',
                        required=False,
                        default='0')
    parser.add_argument('--slurm',
                        help='Path to slurm config file',
                        required=False,
                        default=None)
    parser.add_argument('--cache',
                        help='The cache database to use',
                        required=False,
                        default=None)
    parser.add_argument('--rerun-failing',
                        help='Rerun sorting jobs that previously failed',
                        action='store_true')
    parser.add_argument('--test', help='Only run a few.', action='store_true')
    parser.add_argument('--job-timeout',
                        help='Timeout for sorting jobs',
                        required=False,
                        default=600)
    parser.add_argument('--log-file',
                        help='Log file for analysis progress',
                        required=False,
                        default=None)

    args = parser.parse_args()
    force_run_all = args.force_run_all

    # the following apply to sorting jobs only
    force_run = args.force_run or args.force_run_all
    job_timeout = float(args.job_timeout)
    cache_failing = True
    rerun_failing = args.rerun_failing

    with open(args.spec, 'r') as f:
        spec = json.load(f)

    # clear the log file
    if args.log_file is not None:
        with open(args.log_file, 'w'):
            pass

    studysets_path = spec['studysets']
    studyset_names = spec['studyset_names']
    spike_sorters = spec['spike_sorters']

    ka.set_config(fr='default_readonly')

    print(f'Loading study sets object from: {studysets_path}')
    studysets_obj = ka.load_object(studysets_path)
    if not studysets_obj:
        raise Exception(f'Unable to load: {studysets_path}')

    all_study_sets = studysets_obj['StudySets']
    study_sets = []
    for studyset in all_study_sets:
        if studyset['name'] in studyset_names:
            study_sets.append(studyset)

    if int(args.parallel) > 0:
        job_handler = hither.ParallelJobHandler(int(args.parallel))
        job_handler_gpu = job_handler
        job_handler_ks = job_handler
    elif args.slurm:
        with open(args.slurm, 'r') as f:
            slurm_config = json.load(f)
        job_handler = hither.SlurmJobHandler(working_dir='tmp_slurm',
                                             **slurm_config['cpu'])
        job_handler_gpu = hither.SlurmJobHandler(working_dir='tmp_slurm',
                                                 **slurm_config['gpu'])
        job_handler_ks = hither.SlurmJobHandler(working_dir='tmp_slurm',
                                                **slurm_config['ks'])
    else:
        job_handler = None
        job_handler_gpu = None
        job_handler_ks = None

    with hither.config(container='default',
                       cache=args.cache,
                       force_run=force_run_all,
                       job_handler=job_handler,
                       log_path=args.log_file), hither.job_queue():
        studies = []
        recordings = []
        for studyset in study_sets:
            studyset_name = studyset['name']
            print(f'================ STUDY SET: {studyset_name}')
            studies0 = studyset['studies']
            if args.test:
                studies0 = studies0[:1]
                studyset['studies'] = studies0
            for study in studies0:
                study['study_set'] = studyset_name
                study_name = study['name']
                print(f'======== STUDY: {study_name}')
                recordings0 = study['recordings']
                if args.test:
                    recordings0 = recordings0[:2]
                    study['recordings'] = recordings0
                for recording in recordings0:
                    recording['study'] = study_name
                    recording['study_set'] = studyset_name
                    recording['firings_true'] = recording['firingsTrue']
                    recordings.append(recording)
                studies.append(study)

        # Download recordings
        for recording in recordings:
            ka.load_file(recording['directory'] + '/raw.mda')
            ka.load_file(recording['directory'] + '/firings_true.mda')

        # Attach results objects
        for recording in recordings:
            recording['results'] = dict()

        # Summarize recordings
        for recording in recordings:
            recording_path = recording['directory']
            sorting_true_path = recording['firingsTrue']
            recording['results'][
                'computed-info'] = processing.compute_recording_info.run(
                    _label=
                    f'compute-recording-info:{recording["study"]}/{recording["name"]}',
                    recording_path=recording_path,
                    json_out=hither.File())
            recording['results'][
                'true-units-info'] = processing.compute_units_info.run(
                    _label=
                    f'compute-units-info:{recording["study"]}/{recording["name"]}',
                    recording_path=recording_path,
                    sorting_path=sorting_true_path,
                    json_out=hither.File())

        # Spike sorting
        for sorter in spike_sorters:
            for recording in recordings:
                if recording['study_set'] in sorter['studysets']:
                    recording_path = recording['directory']
                    sorting_true_path = recording['firingsTrue']

                    algorithm = sorter['processor_name']
                    if not hasattr(sorters, algorithm):
                        raise Exception(
                            f'No such sorting algorithm: {algorithm}')
                    Sorter = getattr(sorters, algorithm)

                    if algorithm in ['ironclust']:
                        gpu = True
                        jh = job_handler_gpu
                    elif algorithm in ['kilosort', 'kilosort2']:
                        gpu = True
                        jh = job_handler_ks
                    else:
                        gpu = False
                        jh = job_handler
                    with hither.config(gpu=gpu,
                                       force_run=force_run,
                                       exception_on_fail=False,
                                       cache_failing=cache_failing,
                                       rerun_failing=rerun_failing,
                                       job_handler=jh,
                                       job_timeout=job_timeout):
                        sorting_result = Sorter.run(
                            _label=
                            f'{algorithm}:{recording["study"]}/{recording["name"]}',
                            recording_path=recording['directory'],
                            sorting_out=hither.File())
                        recording['results']['sorting-' +
                                             sorter['name']] = sorting_result
                    recording['results'][
                        'comparison-with-truth-' +
                        sorter['name']] = processing.compare_with_truth.run(
                            _label=
                            f'comparison-with-truth:{algorithm}:{recording["study"]}/{recording["name"]}',
                            sorting_path=sorting_result.outputs.sorting_out,
                            sorting_true_path=sorting_true_path,
                            json_out=hither.File())
                    recording['results'][
                        'units-info-' +
                        sorter['name']] = processing.compute_units_info.run(
                            _label=
                            f'units-info:{algorithm}:{recording["study"]}/{recording["name"]}',
                            recording_path=recording_path,
                            sorting_path=sorting_result.outputs.sorting_out,
                            json_out=hither.File())

    # Assemble all of the results
    print('')
    print('=======================================================')
    print('Assembling results...')
    for recording in recordings:
        print(
            f'Assembling recording: {recording["study"]}/{recording["name"]}')
        recording['summary'] = dict(
            plots=dict(),
            computed_info=ka.load_object(
                recording['results']['computed-info'].outputs.json_out._path),
            true_units_info=ka.store_file(
                recording['results']
                ['true-units-info'].outputs.json_out._path))
    sorting_results = []
    for sorter in spike_sorters:
        for recording in recordings:
            if recording['study_set'] in sorter['studysets']:
                print(
                    f'Assembling sorting: {sorter["processor_name"]} {recording["study"]}/{recording["name"]}'
                )
                sorting_result = recording['results']['sorting-' +
                                                      sorter['name']]
                comparison_result = recording['results'][
                    'comparison-with-truth-' + sorter['name']]
                units_info_result = recording['results']['units-info-' +
                                                         sorter['name']]
                console_out_str = _console_out_to_str(
                    sorting_result.runtime_info['console_out'])
                console_out_path = ka.store_text(console_out_str)
                sr = dict(
                    recording=recording,
                    sorter=sorter,
                    firings_true=recording['directory'] + '/firings_true.mda',
                    processor_name=sorter['processor_name'],
                    processor_version=sorting_result.version,
                    execution_stats=dict(
                        start_time=sorting_result.runtime_info['start_time'],
                        end_time=sorting_result.runtime_info['end_time'],
                        elapsed_sec=sorting_result.runtime_info['end_time'] -
                        sorting_result.runtime_info['start_time'],
                        retcode=0 if sorting_result.success else -1,
                        timed_out=sorting_result.runtime_info.get(
                            'timed_out', False)),
                    container=sorting_result.container,
                    console_out=console_out_path)
                if sorting_result.success:
                    sr['firings'] = ka.store_file(
                        sorting_result.outputs.sorting_out._path)
                    sr['comparison_with_truth'] = dict(json=ka.store_file(
                        comparison_result.outputs.json_out._path))
                    sr['sorted_units_info'] = ka.store_file(
                        units_info_result.outputs.json_out._path)
                else:
                    sr['firings'] = None
                    sr['comparison_with_truth'] = None
                    sr['sorted_units_info'] = None
                sorting_results.append(sr)

    # Delete results from recordings
    for recording in recordings:
        del recording['results']

    # Aggregate sorting results
    print('')
    print('=======================================================')
    print('Aggregating sorting results...')
    aggregated_sorting_results = aggregate_sorting_results(
        studies, recordings, sorting_results)

    # Show output summary
    for sr in aggregated_sorting_results['study_sorting_results']:
        study_name = sr['study']
        sorter_name = sr['sorter']
        n1 = np.array(sr['num_matches'])
        n2 = np.array(sr['num_false_positives'])
        n3 = np.array(sr['num_false_negatives'])
        accuracies = n1 / (n1 + n2 + n3)
        avg_accuracy = np.mean(accuracies)
        txt = 'STUDY: {}, SORTER: {}, AVG ACCURACY: {}'.format(
            study_name, sorter_name, avg_accuracy)
        print(txt)

    output_object = dict(studies=studies,
                         recordings=recordings,
                         study_sets=study_sets,
                         sorting_results=sorting_results,
                         aggregated_sorting_results=ka.store_object(
                             aggregated_sorting_results,
                             basename='aggregated_sorting_results.json'))

    print(f'Writing output to {args.output}...')
    with open(args.output, 'w') as f:
        json.dump(output_object, f, indent=4)
    print('Done.')
params = {}

# Determine whether we are going to use gpu based on the name of the sorter
gpu = sorter_name in ['kilosort2', 'kilosort', 'tridesclous', 'ironclust']

# In the future we will check whether we have the correct version of the wrapper here
# Version: 0.1.5-w1

# Download the data (if needed)
ka.set_config(fr='default_readonly')
ka.load_file(recording_path + '/raw.mda')

# Run the spike sorting
with hither.config(container='default', gpu=gpu):
    sorting_result = sorter.run(recording_path=recording_path,
                                sorting_out=hither.File(),
                                **params)
assert sorting_result.success
sorting_path = sorting_result.outputs.sorting_out

# Compare with ground truth
with hither.config(container='default'):
    compare_result = processing.compare_with_truth.run(
        sorting_path=sorting_path,
        sorting_true_path=sorting_true_path,
        json_out=hither.File())
assert compare_result.success
obj = ka.load_object(compare_result.outputs.json_out._path)

accuracies = [float(obj[i]['accuracy']) for i in obj.keys()]
print('ACCURACIES:')
w_ts.figure.suptitle("Recording by group")
w_ts.ax.set_ylabel("Channel_ids")

#We will also try to plot the rastor plot for the ground truth
gtOutput = AutoSortingExtractor(sortingPath)
#We need to change the indices of  the ground truth output
w_rs_gt = sw.plot_rasters(gtOutput, sampling_frequency=sampleRate)

#Spike-Sorting
#trying to run SPYKINGCIRCUS through spike interface
#spykingcircus
with ka.config(fr='default_readonly'):
    #with hither.config(cache='default_readwrite'):
    with hither.config(container='default'):
        result_spyKingCircus = sorters.spykingcircus.run(
            recording_path=recordingPath, sorting_out=hither.File())
#Mountainsort
with ka.config(fr='default_readonly'):
    #with hither.config(cache='default_readwrite'):
    with hither.config(container='default'):
        result_MS4 = sorters.mountainsort4.run(recording_path=recordingPath,
                                               sorting_out=hither.File())
#Aggregating the output of the sorters
sorting_MS4 = AutoSortingExtractor(result_MS4.outputs.sorting_out._path)
sorting_SP = AutoSortingExtractor(
    result_spyKingCircus.outputs.sorting_out._path)

#Comparing  each to ground truth-confusion matrix
comp_MATLAB = sc.compare_sorter_to_ground_truth(gtOutput,
                                                sortingPipeline,
                                                sampling_frequency=sampleRate,
示例#10
0
def main():
    from mountaintools import client as mt

    parser = argparse.ArgumentParser(
        description=
        'Generate unit detail data (including spikesprays) for website')
    parser.add_argument('analysis_path',
                        help='assembled analysis file (output.json)')
    parser.add_argument(
        '--studysets',
        help='Comma-separated list of study set names to include',
        required=False,
        default=None)
    parser.add_argument('--force-run',
                        help='Force rerunning of processing',
                        action='store_true')
    parser.add_argument(
        '--force-run-all',
        help='Force rerunning of processing including filtering',
        action='store_true')
    parser.add_argument('--parallel',
                        help='Optional number of parallel jobs',
                        required=False,
                        default='0')
    parser.add_argument('--slurm',
                        help='Path to slurm config file',
                        required=False,
                        default=None)
    parser.add_argument('--cache',
                        help='The cache database to use',
                        required=False,
                        default=None)
    parser.add_argument('--job-timeout',
                        help='Timeout for processing jobs',
                        required=False,
                        default=600)
    parser.add_argument('--log-file',
                        help='Log file for analysis progress',
                        required=False,
                        default=None)
    parser.add_argument(
        '--force-regenerate',
        help=
        'Whether to force regenerating spike sprays (for when code has changed)',
        action='store_true')
    parser.add_argument('--test',
                        help='Whether to just test by running only 1',
                        action='store_true')

    args = parser.parse_args()

    mt.configDownloadFrom(['spikeforest.kbucket'])

    with open(args.analysis_path, 'r') as f:
        analysis = json.load(f)

    if args.studysets is not None:
        studyset_names = args.studysets.split(',')
        print('Using study sets: ', studyset_names)
    else:
        studyset_names = None

    study_sets = analysis['StudySets']
    sorting_results = analysis['SortingResults']

    studies_to_include = []
    for ss in study_sets:
        if (studyset_names is None) or (ss['name'] in studyset_names):
            for study in ss['studies']:
                studies_to_include.append(study['name'])

    print('Including studies:', studies_to_include)

    print('Determining sorting results to process ({} total)...'.format(
        len(sorting_results)))
    sorting_results_to_process = []
    sorting_results_to_consider = []
    for sr in sorting_results:
        study_name = sr['studyName']
        if study_name in studies_to_include:
            if 'firings' in sr:
                if sr.get('comparisonWithTruth', None) is not None:
                    sorting_results_to_consider.append(sr)
                    key = dict(name='unit-details-v0.1.0',
                               recording_directory=sr['recordingDirectory'],
                               firings_true=sr['firingsTrue'],
                               firings=sr['firings'])
                    val = mt.getValue(key=key, collection='spikeforest')
                    if (not val) or (args.force_regenerate):
                        sr['key'] = key
                        sorting_results_to_process.append(sr)
    if args.test and len(sorting_results_to_process) > 0:
        sorting_results_to_process = [sorting_results_to_process[0]]

    print('Need to process {} of {} sorting results'.format(
        len(sorting_results_to_process), len(sorting_results_to_consider)))

    recording_directories_to_process = sorted(
        list(
            set([
                sr['recordingDirectory'] for sr in sorting_results_to_process
            ])))
    print('{} recording directories to process'.format(
        len(recording_directories_to_process)))

    if int(args.parallel) > 0:
        job_handler = hither.ParallelJobHandler(int(args.parallel))
    elif args.slurm:
        with open(args.slurm, 'r') as f:
            slurm_config = json.load(f)
        job_handler = hither.SlurmJobHandler(working_dir='tmp_slurm',
                                             **slurm_config['cpu'])
    else:
        job_handler = None

    print('Filtering recordings...')
    filter_results = []
    with hither.config(container='default',
                       cache=args.cache,
                       force_run=args.force_run_all,
                       job_handler=job_handler,
                       log_path=args.log_file,
                       exception_on_fail=True,
                       cache_failing=False,
                       rerun_failing=True,
                       job_timeout=args.job_timeout), hither.job_queue():
        for recdir in recording_directories_to_process:
            result = filter_recording.run(recording_directory=recdir,
                                          timeseries_out=hither.File())
            filter_results.append(result)
    filtered_timeseries_by_recdir = dict()
    for i, recdir in enumerate(recording_directories_to_process):
        result0 = filter_results[i]
        if not result0.success:
            raise Exception(
                'Problem computing filtered timeseries for recording: {}'.
                format(recdir))
        filtered_timeseries_by_recdir[
            recdir] = result0.outputs.timeseries_out._path

    print('Creating spike sprays...')
    with hither.config(container='default',
                       cache=args.cache,
                       force_run=args.force_run or args.force_run_all,
                       job_handler=job_handler,
                       log_path=args.log_file,
                       exception_on_fail=True,
                       cache_failing=False,
                       rerun_failing=True,
                       job_timeout=args.job_timeout), hither.job_queue():
        for sr in sorting_results_to_process:
            recdir = sr['recordingDirectory']
            study_name = sr['studyName']
            rec_name = sr['recordingName']
            sorter_name = sr['sorterName']

            print('====== COMPUTING {}/{}/{}'.format(study_name, rec_name,
                                                     sorter_name))

            cwt = ka.load_object(path=sr['comparisonWithTruth']['json'])

            filtered_timeseries = filtered_timeseries_by_recdir[recdir]

            spike_spray_results = []
            list0 = list(cwt.values())
            for _, unit in enumerate(list0):
                result = create_spike_sprays.run(
                    recording_directory=recdir,
                    filtered_timeseries=filtered_timeseries,
                    firings_true=os.path.join(recdir, 'firings_true.mda'),
                    firings_sorted=sr['firings'],
                    unit_id_true=unit['unit_id'],
                    unit_id_sorted=unit['best_unit'],
                    json_out=hither.File())
                setattr(result, 'unit', unit)
                spike_spray_results.append(result)
            sr['spike_spray_results'] = spike_spray_results

    for sr in sorting_results_to_process:
        recdir = sr['recordingDirectory']
        study_name = sr['studyName']
        rec_name = sr['recordingName']
        sorter_name = sr['sorterName']

        print('====== SAVING {}/{}/{}'.format(study_name, rec_name,
                                              sorter_name))
        spike_spray_results = sr['spike_spray_results']
        key = sr['key']

        unit_details = []
        ok = True
        for i, result in enumerate(spike_spray_results):
            if not result.success:
                print(
                    'WARNING: Error creating spike sprays for {}/{}/{}'.format(
                        study_name, rec_name, sorter_name))
                ok = False
                break
            ssobj = ka.load_object(result.outputs.json_out._path)
            if ssobj is None:
                raise Exception('Problem loading spikespray object output.')
            address = mt.saveObject(object=ssobj,
                                    upload_to='spikeforest.kbucket')
            unit = getattr(result, 'unit')
            unit_details.append(
                dict(studyName=study_name,
                     recordingName=rec_name,
                     sorterName=sorter_name,
                     trueUnitId=unit['unit_id'],
                     sortedUnitId=unit['best_unit'],
                     spikeSprayUrl=mt.findFile(
                         path=address,
                         remote_only=True,
                         download_from='spikeforest.kbucket')))

        if ok:
            mt.saveObject(collection='spikeforest',
                          key=key,
                          object=unit_details,
                          upload_to='spikeforest.public')