Files
superset2/superset/commands/chart/export.py
2025-04-07 15:12:22 -04:00

114 lines
4.0 KiB
Python

# 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.
# isort:skip_file
import logging
from collections.abc import Iterator
from typing import Callable
import yaml
from superset.commands.chart.exceptions import ChartNotFoundError
from superset.daos.chart import ChartDAO
from superset.commands.dataset.export import ExportDatasetsCommand
from superset.commands.export.models import ExportModelsCommand
from superset.commands.tag.export import ExportTagsCommand
from superset.models.slice import Slice
from superset.tags.models import TagType
from superset.utils.dict_import_export import EXPORT_VERSION
from superset.utils.file import get_filename
from superset.utils import json
from superset.extensions import feature_flag_manager
logger = logging.getLogger(__name__)
# keys present in the standard export that are not needed
REMOVE_KEYS = ["datasource_type", "datasource_name", "url_params"]
class ExportChartsCommand(ExportModelsCommand):
dao = ChartDAO
not_found = ChartNotFoundError
@staticmethod
def _file_name(model: Slice) -> str:
file_name = get_filename(model.slice_name, model.id)
return f"charts/{file_name}.yaml"
@staticmethod
def _file_content(model: Slice) -> str:
payload = model.export_to_dict(
recursive=False,
include_parent_ref=False,
include_defaults=True,
export_uuids=True,
)
# TODO (betodealmeida): move this logic to export_to_dict once this
# becomes the default export endpoint
payload = {
key: value for key, value in payload.items() if key not in REMOVE_KEYS
}
if payload.get("params"):
try:
payload["params"] = json.loads(payload["params"])
except json.JSONDecodeError:
logger.info("Unable to decode `params` field: %s", payload["params"])
payload["version"] = EXPORT_VERSION
if model.table:
payload["dataset_uuid"] = str(model.table.uuid)
# Fetch tags from the database if TAGGING_SYSTEM is enabled
if feature_flag_manager.is_feature_enabled("TAGGING_SYSTEM"):
tags = getattr(model, "tags", [])
payload["tags"] = [tag.name for tag in tags if tag.type == TagType.custom]
file_content = yaml.safe_dump(payload, sort_keys=False)
return file_content
_include_tags: bool = True # Default to True
@classmethod
def disable_tag_export(cls) -> None:
cls._include_tags = False
@classmethod
def enable_tag_export(cls) -> None:
cls._include_tags = True
@staticmethod
def _export(
model: Slice, export_related: bool = True
) -> Iterator[tuple[str, Callable[[], str]]]:
yield (
ExportChartsCommand._file_name(model),
lambda: ExportChartsCommand._file_content(model),
)
if model.table and export_related:
yield from ExportDatasetsCommand([model.table.id]).run()
# Check if the calling class is ExportDashboardCommands
if (
export_related
and ExportChartsCommand._include_tags
and feature_flag_manager.is_feature_enabled("TAGGING_SYSTEM")
):
chart_id = model.id
yield from ExportTagsCommand().export(chart_ids=[chart_id])