def add_folder(self, folder_id, ann_id=None):
        self.assert_valid_folder_id(folder_id)
        ann_id = self._annotator(ann_id)
        cid = self.wrap_folder_content_id(ann_id, folder_id)
        self.store.put([(cid, FeatureCollection())])
        logger.info('Added folder %r with content id %r', folder_id, cid)
Write the dataset file.
dataset/ETHPy150Open dossier/dossier.web/dossier/web/label_folders.py/Folders.add_folder--crossover with--dataset/ETHPy150Open BenoitDamota/mempamal/mempamal/configuration.py/build_dataset