def handle(self):
		run_root = self.__backend_mgr.get_run_root(self.__task.data['backend'], self.__task.data['id'])

		main_root = os.path.join(run_root, 'main')

		safe_rmdir(main_root)
		safe_mkdir(main_root)

		self.__create_input(main_root)
		self.__create_context(main_root)
		self.__create_action(main_root)
		self.__create_navigator(main_root)
		self.__create_bootstrap(main_root)

		launcher_param = self.__create_launcher(run_root)

		self.__submit(launcher_param)
def groupby(cls, dataset, dimensions, container_type, group_type, **kwargs):
        # Get dimensions information
        dimensions = [dataset.get_dimension(d).name for d in dimensions]
        kdims = [kdim for kdim in dataset.kdims if kdim not in dimensions]

        # Update the kwargs appropriately for Element group types
        group_kwargs = {}
        group_type = dict if group_type == 'raw' else group_type
        if issubclass(group_type, Element):
            group_kwargs.update(util.get_param_values(dataset))
            group_kwargs['kdims'] = kdims
        group_kwargs.update(kwargs)

        # Propagate dataset
        group_kwargs['dataset'] = dataset.dataset

        # Find all the keys along supplied dimensions
        keys = product(*(dataset.data[dimensions[0]].unique().values_host for d in dimensions))

        # Iterate over the unique entries applying selection masks
        grouped_data = []
        for unique_key in util.unique_iterator(keys):
            group_data = dataset.select(**dict(zip(dimensions, unique_key)))
            if not len(group_data):
                continue
            group_data = group_type(group_data, **group_kwargs)
            grouped_data.append((unique_key, group_data))

        if issubclass(container_type, NdMapping):
            with item_check(False), sorted_context(False):
                kdims = [dataset.get_dimension(d) for d in dimensions]
                return container_type(grouped_data, kdims=kdims)
        else:
            return container_type(grouped_data)