def open_store(self):
        service = self._traj.v_storage_service
        if service.is_open:
            raise RuntimeError('Your service is already open, there is no need to re-open it.')
        service.store(pypetconstants.OPEN_FILE, None,
                      trajectory_name=self._traj.v_name)
Opens store manually not needed if used with `with`
dataset/ETHPy150Open SmokinCaterpillar/pypet/pypet/shareddata.py/StorageContextManager.open_store