datasets.py 文件源码

def on_post(self, req, resp, dataset_info, **kwargs):
        """Create a new dataset on the service

        This method will create a new empty dataset, and returns a 201 CREATED
        with Location header filled with the URI of new dataset.

        :param HTTPUserDatasetDTO dataset_info: HTTP Client dataset information
        :query int dataset_type: The dataset type (optional)
        :returns: Location header with new path to dataset object
        """
        dao = data_access.DatasetDAO()
        # Get dataset type
        dts_type = req.get_param_as_int("dataset_type")

        dataset_type = dao.get_dataset_types()[dts_type]["class"]
        id_dts, err = dao.insert_empty_dataset(
            dataset_type, name=dataset_info.name,
            description=dataset_info.description)

        if id_dts is None and err[0] == 409:
            raise falcon.HTTPConflict(
                title="The dataset name is already used", description=err[1])
        elif id_dts is None and err[0] == 500:
            raise falcon.HTTPInternalServerError(description=err[1])
        else:
            # Dataset created, evrything is done
            resp.status = falcon.HTTP_201
            resp.body = json.dumps({"dataset": {"id": id_dts}})
            resp.location = "/datasets/" + str(id_dts)