Source code for

# -*- coding: utf-8 -*-
# TheVirtualBrain-Framework Package. This package holds all Data Management, and 
# Web-UI helpful to run brain-simulations. To use it, you also need to download
# TheVirtualBrain-Scientific Package (for simulators). See content of the
# documentation-folder for more details. See also
# (c) 2012-2023, Baycrest Centre for Geriatric Care ("Baycrest") and others
# This program is free software: you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software Foundation,
# either version 3 of the License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.  See the GNU General Public License for more details.
# You should have received a copy of the GNU General Public License along with this
# program.  If not, see <>.
# When using The Virtual Brain for scientific publications, please cite it as explained here:
import os

from tvb.adapters.simulator.simulator_adapter import SimulatorAdapter
from tvb.basic.logger.builder import get_logger
from tvb.core.neocom.h5 import DirLoader
from import ProjectServiceException
from import AlgorithmService
from import ProjectService
from import SimulatorService
from import InvalidIdentifierException, InvalidInputException, ServiceException
from tvb.simulator.simulator import Simulator

[docs]class SimulationFacade: def __init__(self): self.logger = get_logger(self.__class__.__module__) self.simulator_service = SimulatorService() self.project_service = ProjectService()
[docs] def launch_simulation(self, current_user_id, zip_directory, project_gid): try: project = self.project_service.find_project_lazy_by_gid(project_gid) except ProjectServiceException: raise InvalidIdentifierException() try: simulator_h5_name = DirLoader(zip_directory, None).find_file_for_has_traits_type(Simulator) simulator_file = os.path.join(zip_directory, simulator_h5_name) except IOError: raise InvalidInputException('No Simulator h5 file found in the archive') try: simulator_algorithm = AlgorithmService().get_algorithm_by_module_and_class(SimulatorAdapter.__module__, SimulatorAdapter.__name__) simulation = self.simulator_service.prepare_simulation_on_server(user_id=current_user_id, project=project, algorithm=simulator_algorithm, zip_folder_path=zip_directory, simulator_file=simulator_file) return simulation.gid except Exception as excep: self.logger.error(excep, exc_info=True) raise ServiceException(str(excep))