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66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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import logging
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from datetime import datetime
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from sqlalchemy import and_
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from sqlalchemy.exc import SQLAlchemyError
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from superset import db
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from superset.commands.base import BaseCommand
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from superset.key_value.exceptions import KeyValueDeleteFailedError
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from superset.key_value.models import KeyValueEntry
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from superset.key_value.types import KeyValueResource
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logger = logging.getLogger(__name__)
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class DeleteExpiredKeyValueCommand(BaseCommand):
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resource: KeyValueResource
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def __init__(self, resource: KeyValueResource):
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"""
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Delete all expired key-value pairs
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:param resource: the resource (dashboard, chart etc)
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:return: was the entry deleted or not
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"""
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self.resource = resource
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def run(self) -> None:
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try:
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self.delete_expired()
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except SQLAlchemyError as ex:
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db.session.rollback()
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raise KeyValueDeleteFailedError() from ex
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def validate(self) -> None:
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pass
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def delete_expired(self) -> None:
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(
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db.session.query(KeyValueEntry)
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.filter(
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and_(
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KeyValueEntry.resource == self.resource.value,
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KeyValueEntry.expires_on <= datetime.now(),
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)
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)
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.delete()
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)
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db.session.commit()
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