Source code for tvb.interfaces.command.demos.importers.new_importer

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Adapter example.

.. moduleauthor:: Lia Domide <>

import numpy
from tvb.adapters.datatypes.db.time_series import TimeSeriesIndex
from tvb.adapters.datatypes.h5.time_series_h5 import TimeSeriesH5
from tvb.basic.logger.builder import get_logger
from tvb.core.adapters.abcuploader import ABCUploader, ABCUploaderForm
from tvb.core.entities.generic_attributes import GenericAttributes
from tvb.core.neotraits.forms import TraitUploadField
from tvb.core.neotraits.uploader_view_model import UploaderViewModel
from tvb.core.neotraits.view_model import Str
from tvb.datatypes.time_series import TimeSeries

[docs]class FooDataImporterModel(UploaderViewModel): array_data = Str(label='please upload npy', required=True)
[docs]class FooDataImporterForm(ABCUploaderForm): def __init__(self): super(FooDataImporterForm, self).__init__() self.array_data = TraitUploadField(FooDataImporterModel.array_data, '.npy', 'array_data')
[docs] @staticmethod def get_view_model(): return FooDataImporterModel
[docs] @staticmethod def get_upload_information(): return { 'array_data': '.npy' }
[docs]class FooDataImporter(ABCUploader): _ui_name = "Foo Data" _ui_subsection = "foo_data_importer" _ui_description = "Foo data import" logger = get_logger(__name__)
[docs] def get_form_class(self): return FooDataImporterForm
[docs] def get_output(self): return [TimeSeriesIndex]
[docs] def launch(self, view_model): # type: (FooDataImporterModel) -> TimeSeriesIndex array_data = numpy.loadtxt(view_model.array_data) ts = TimeSeries(data=array_data) ts.configure() ts_index = TimeSeriesIndex() ts_index.fill_from_has_traits(ts) ts_h5_path = self.path_for(TimeSeriesH5, ts_index.gid) with TimeSeriesH5(ts_h5_path) as ts_h5:, scalars_only=True) ts_h5.store_generic_attributes(GenericAttributes()) ts_h5.write_data_slice(array_data) return ts_index