superset get_data_command 源码
superset get_data_command 代码
文件路径：/superset/charts/data/commands/get_data_command.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, Dict
from superset.charts.commands.exceptions import (
ChartDataCacheLoadError,
ChartDataQueryFailedError,
)
from superset.commands.base import BaseCommand
from superset.common.query_context import QueryContext
from superset.exceptions import CacheLoadError
logger = logging.getLogger(__name__)
class ChartDataCommand(BaseCommand):
_query_context: QueryContext
def __init__(self, query_context: QueryContext):
self._query_context = query_context
def run(self, **kwargs: Any) -> Dict[str, Any]:
# caching is handled in query_context.get_df_payload
# (also evals `force` property)
cache_query_context = kwargs.get("cache", False)
force_cached = kwargs.get("force_cached", False)
try:
payload = self._query_context.get_payload(
cache_query_context=cache_query_context, force_cached=force_cached
)
except CacheLoadError as ex:
raise ChartDataCacheLoadError(ex.message) from ex
# TODO: QueryContext should support SIP-40 style errors
for query in payload["queries"]:
if query.get("error"):
raise ChartDataQueryFailedError(f"Error: {query['error']}")
return_value = {
"query_context": self._query_context,
"queries": payload["queries"],
}
if cache_query_context:
return_value.update(cache_key=payload["cache_key"])
return return_value
def validate(self) -> None:
self._query_context.raise_for_access()
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