superset create 源码
superset create 代码
文件路径:/superset/explore/form_data/commands/create.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 flask import session
from sqlalchemy.exc import SQLAlchemyError
from superset.commands.base import BaseCommand
from superset.explore.form_data.commands.parameters import CommandParameters
from superset.explore.form_data.commands.state import TemporaryExploreState
from superset.explore.form_data.commands.utils import check_access
from superset.extensions import cache_manager
from superset.key_value.utils import random_key
from superset.temporary_cache.commands.exceptions import TemporaryCacheCreateFailedError
from superset.temporary_cache.utils import cache_key
from superset.utils.core import DatasourceType, get_user_id
from superset.utils.schema import validate_json
logger = logging.getLogger(__name__)
class CreateFormDataCommand(BaseCommand):
def __init__(self, cmd_params: CommandParameters):
self._cmd_params = cmd_params
def run(self) -> str:
self.validate()
try:
datasource_id = self._cmd_params.datasource_id
datasource_type = self._cmd_params.datasource_type
chart_id = self._cmd_params.chart_id
tab_id = self._cmd_params.tab_id
form_data = self._cmd_params.form_data
check_access(datasource_id, chart_id, datasource_type)
contextual_key = cache_key(
session.get("_id"), tab_id, datasource_id, chart_id, datasource_type
)
key = cache_manager.explore_form_data_cache.get(contextual_key)
if not key or not tab_id:
key = random_key()
if form_data:
state: TemporaryExploreState = {
"owner": get_user_id(),
"datasource_id": datasource_id,
"datasource_type": DatasourceType(datasource_type),
"chart_id": chart_id,
"form_data": form_data,
}
cache_manager.explore_form_data_cache.set(key, state)
cache_manager.explore_form_data_cache.set(contextual_key, key)
return key
except SQLAlchemyError as ex:
logger.exception("Error running create command")
raise TemporaryCacheCreateFailedError() from ex
def validate(self) -> None:
if self._cmd_params.form_data:
validate_json(self._cmd_params.form_data)
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