# Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you under the Apache License, Version 2.0 (the # "License"); you may not use this file except in compliance # with the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, # software distributed under the License is distributed on an # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY # KIND, either express or implied. See the License for the # specific language governing permissions and limitations # under the License. import logging from typing import Union import click from celery.utils.abstract import CallableTask from flask.cli import with_appcontext from superset.extensions import db logger = logging.getLogger(__name__) @click.command() @with_appcontext @click.option( "--asynchronous", "-a", is_flag=True, default=False, help="Trigger commands to run remotely on a worker", ) @click.option( "--dashboards_only", "-d", is_flag=True, default=False, help="Only process dashboards", ) @click.option( "--charts_only", "-c", is_flag=True, default=False, help="Only process charts", ) @click.option( "--force", "-f", is_flag=True, default=False, help="Force refresh, even if previously cached", ) @click.option("--model_id", "-i", multiple=True) def compute_thumbnails( asynchronous: bool, dashboards_only: bool, charts_only: bool, force: bool, model_id: list[int], ) -> None: """Compute thumbnails""" # pylint: disable=import-outside-toplevel from superset.models.dashboard import Dashboard from superset.models.slice import Slice from superset.tasks.thumbnails import ( cache_chart_thumbnail, cache_dashboard_thumbnail, ) def compute_generic_thumbnail( friendly_type: str, model_cls: Union[type[Dashboard], type[Slice]], model_ids: list[int], compute_func: CallableTask, ) -> None: query = db.session.query(model_cls) if model_ids: query = query.filter(model_cls.id.in_(model_ids)) dashboards = query.all() count = len(dashboards) for i, model in enumerate(dashboards): if asynchronous: func = compute_func.delay action = "Triggering" else: func = compute_func action = "Processing" msg = f'{action} {friendly_type} "{model}" ({i + 1}/{count})' click.secho(msg, fg="green") func(None, model.id, force=force) if not charts_only: compute_generic_thumbnail( "dashboard", Dashboard, model_id, cache_dashboard_thumbnail ) if not dashboards_only: compute_generic_thumbnail("chart", Slice, model_id, cache_chart_thumbnail)