33 строки
1.3 KiB
Python
33 строки
1.3 KiB
Python
#
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# 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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"""
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This module provides helper code to make type annotation within Airflow
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codebase easier.
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"""
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try:
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# Protocol and TypedDict are only added to typing module starting from
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# python 3.8 we can safely remove this shim import after Airflow drops
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# support for <3.8
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from typing import ( # type: ignore # noqa # pylint: disable=unused-import
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Protocol, TypedDict, runtime_checkable,
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)
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except ImportError:
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from typing_extensions import Protocol, TypedDict, runtime_checkable # type: ignore # noqa
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