superset/commands/chart/importers/dispatcher.py
# 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 Any
from marshmallow.exceptions import ValidationError
from superset.commands.base import BaseCommand
from superset.commands.chart.importers import v1
from superset.commands.exceptions import CommandInvalidError
from superset.commands.importers.exceptions import IncorrectVersionError
logger = logging.getLogger(__name__)
command_versions = [
v1.ImportChartsCommand,
]
class ImportChartsCommand(BaseCommand):
"""
Import charts.
This command dispatches the import to different versions of the command
until it finds one that matches.
"""
def __init__(self, contents: dict[str, str], *args: Any, **kwargs: Any):
self.contents = contents
self.args = args
self.kwargs = kwargs
def run(self) -> None:
# iterate over all commands until we find a version that can
# handle the contents
for version in command_versions:
command = version(self.contents, *self.args, **self.kwargs)
try:
command.run()
return
except IncorrectVersionError:
logger.debug("File not handled by command, skipping")
except (CommandInvalidError, ValidationError):
# found right version, but file is invalid
logger.info("Command failed validation")
raise
except Exception:
# validation succeeded but something went wrong
logger.exception("Error running import command")
raise
raise CommandInvalidError("Could not find a valid command to import file")
def validate(self) -> None:
pass