| # 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 Type, Union |
| |
| import click |
| from celery.utils.abstract import CallableTask |
| from flask.cli import with_appcontext |
| |
| from superset.extensions import db |
| from superset.utils.urls import get_url_path |
| |
| 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: 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_id: int, |
| compute_func: CallableTask, |
| ) -> None: |
| query = db.session.query(model_cls) |
| if model_id: |
| query = query.filter(model_cls.id.in_(model_id)) |
| 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") |
| if friendly_type == "chart": |
| url = get_url_path( |
| "Superset.slice", slice_id=model.id, standalone="true" |
| ) |
| else: |
| url = get_url_path("Superset.dashboard", dashboard_id_or_slug=model.id) |
| func(url, model.digest, 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) |