Source code for tvb.adapters.exporters.tvb_export

# -*- coding: utf-8 -*-
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"""
.. moduleauthor:: Calin Pavel <calin.pavel@codemart.ro>
"""

from tvb.adapters.exporters.abcexporter import ABCExporter
from tvb.core.entities.model.model_datatype import DataType, DataTypeGroup
from tvb.core.neocom import h5
from tvb.storage.storage_interface import StorageInterface




class TVBExporter(ABCExporter):
    """ 
    This exporter simply provides for download data in TVB format
    """

    def __init__(self):
        self.storage_interface = StorageInterface()



    def get_supported_types(self):
        return [DataType]




    def get_label(self):
        return "TVB Format"




    def export(self, data, project, public_key_path, password):
        """
        Exports data type:
        1. If data is a normal data type, simply exports storage file (HDF format)
        2. If data is a DataTypeGroup creates a zip with all files for all data types
        """
        download_file_name = self._get_export_file_name(data)

        if DataTypeGroup.is_data_a_group(data):
            _, op_file_dict = self.prepare_datatypes_for_export(data)

            # Create ZIP archive
            zip_file = self.storage_interface.export_datatypes_structure(op_file_dict, data, download_file_name,
                                                                         public_key_path, password)
            return download_file_name, zip_file, True
        else:
            data_path = h5.path_for_stored_index(data)
            data_file = self.storage_interface.export_datatypes([data_path], data, download_file_name,
                                                                public_key_path, password)

            return None, data_file, True




    def get_export_file_extension(self, data):
        if DataTypeGroup.is_data_a_group(data):
            return StorageInterface.TVB_ZIP_FILE_EXTENSION
        else:
            return StorageInterface.TVB_STORAGE_FILE_EXTENSION