superset get 源码
superset get 代码
文件路径：/superset/dashboards/filter_state/commands/get.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.
from typing import Optional
from flask import current_app as app
from superset.dashboards.filter_state.commands.utils import check_access
from superset.extensions import cache_manager
from superset.temporary_cache.commands.get import GetTemporaryCacheCommand
from superset.temporary_cache.commands.parameters import CommandParameters
from superset.temporary_cache.utils import cache_key
class GetFilterStateCommand(GetTemporaryCacheCommand):
def __init__(self, cmd_params: CommandParameters) -> None:
super().__init__(cmd_params)
config = app.config["FILTER_STATE_CACHE_CONFIG"]
self._refresh_timeout = config.get("REFRESH_TIMEOUT_ON_RETRIEVAL")
def get(self, cmd_params: CommandParameters) -> Optional[str]:
resource_id = cmd_params.resource_id
key = cache_key(resource_id, cmd_params.key)
check_access(resource_id)
entry = cache_manager.filter_state_cache.get(key) or {}
if entry and self._refresh_timeout:
cache_manager.filter_state_cache.set(key, entry)
return entry.get("value")
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