Source code for tvb.interfaces.command.demos.operations.run_analyzer

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Find a TS in current project (by Subject) and later run an analyzer on it.

__main__ will contain the code.

.. moduleauthor:: Lia Domide <>

from tvb.adapters.analyzers.fourier_adapter import FourierAdapter, FFTAdapterModel
from tvb.adapters.datatypes.db.spectral import FourierSpectrumIndex
from tvb.adapters.datatypes.db.time_series import TimeSeriesRegionIndex
from tvb.basic.logger.builder import get_logger
from tvb.core.entities.transient.structure_entities import DataTypeMetaData
from tvb.core.adapters.abcadapter import ABCAdapter
from tvb.core.entities.model.model_operation import STATUS_FINISHED
from import dao
from time import sleep
from tvb.interfaces.command.lab import *

[docs]def run_analyzer(): log = get_logger(__name__) # This ID of a project needs to exists in DB, and it can be taken from the WebInterface: project = dao.get_project_by_id(1) # Prepare the Adapter adapter_instance = ABCAdapter.build_adapter_from_class(FourierAdapter) # Prepare the input algorithms as if they were coming from web UI submit: time_series = dao.get_generic_entity(TimeSeriesRegionIndex, DataTypeMetaData.DEFAULT_SUBJECT, "subject") if len(time_series) < 1: log.error("We could not find a compatible TimeSeries Datatype!") fourier_model = FFTAdapterModel() fourier_model.time_series = time_series[0].gid fourier_model.window_function = 'hamming' fourier_model.segment_length = 100 # launch an operation and have the results stored both in DB and on disk launched_operation = OperationService().fire_operation(adapter_instance, project.administrator,, view_model=fourier_model) # wait for the operation to finish while not launched_operation.has_finished: sleep(5) launched_operation = dao.get_operation_by_id( if launched_operation.status == STATUS_FINISHED: fourier_spectrum = dao.get_generic_entity(FourierSpectrumIndex,, "fk_from_operation")[0]"Fourier Spectrum result is: %s " % fourier_spectrum) else: log.warning("Operation ended with problems [%s]: [%s]" % (launched_operation.status, launched_operation.additional_info))
if __name__ == "__main__": run_analyzer()