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44 lines
1.4 KiB
Python
44 lines
1.4 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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from abc import ABC, abstractmethod
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from typing import Optional
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from flask_appbuilder.models.sqla import Model
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class BaseCommand(ABC):
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"""
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Base class for all Command like Superset Logic objects
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"""
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@abstractmethod
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def run(self) -> Optional[Model]:
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"""
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Run executes the command. Can raise command exceptions
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:raises: CommandException
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"""
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pass
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@abstractmethod
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def validate(self) -> None:
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"""
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Validate is normally called by run to validate data.
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Will raise exception if validation fails
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:raises: CommandException
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"""
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pass
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