Source code for tvb.interfaces.command.demos.datatypes.modify_h5_metadata

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Demo script on how to load a TVB DataType by Id and modify metadata

.. moduleauthor:: Lia Domide <>

import os
from uuid import UUID

from tvb.adapters.datatypes.h5.local_connectivity_h5 import LocalConnectivityH5
from tvb.core.neotraits.h5 import H5File
from tvb.core.utils import date2string

[docs]def update_local_connectivity_metadata(file_path): with LocalConnectivityH5(file_path) as f: f.storage_interface.set_metadata({'Shape': "(16384, 16384)", 'format': "csc", "dtype": "<f8"}, "/matrix") f.storage_interface.set_metadata({'cutoff': 40.0, 'state': "RAW_DATA", 'subject': "John Doe", 'user_tag_1': "srf_16k", 'user_tag_2': "", 'user_tag_3': "", 'user_tag_4': "", 'user_tag_5': "", 'type': "", 'create_date': date2string(, 'visible': True, 'is_nan': False, 'gid': UUID('3e551cbd-47ca-11e4-9f21-3c075431bf56').urn, 'surface': UUID('10467c4f-d487-4186-afa6-d9b1fd8383d8').urn}, )
[docs]def update_written_by(folder): for root, _, files in os.walk(folder): for file_name in files: if file_name.endswith(".h5"): full_path = os.path.join(root, file_name) with H5File(full_path) as f: prev_h5_path = f.written_by.load() new_h5_path = prev_h5_path.replace("tvb.core.entities.file.datatypes", "tvb.adapters.datatypes.h5")
if __name__ == "__main__": from tvb.interfaces.command.lab import * update_local_connectivity_metadata( "/TVB/PROJECTS/Default_Project/7/LocalConnectivity_3e551cbd47ca11e49f213c075431bf56.h5") # update_written_by("/WORK/TVB/tvb-root/tvb_data/tvb_data/Default_Project")