empty.py 1.3 KB

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  1. # Licensed to the Apache Software Foundation (ASF) under one
  2. # or more contributor license agreements. See the NOTICE file
  3. # distributed with this work for additional information
  4. # regarding copyright ownership. The ASF licenses this file
  5. # to you under the Apache License, Version 2.0 (the
  6. # "License"); you may not use this file except in compliance
  7. # with the License. You may obtain a copy of the License at
  8. #
  9. # http://www.apache.org/licenses/LICENSE-2.0
  10. #
  11. # Unless required by applicable law or agreed to in writing,
  12. # software distributed under the License is distributed on an
  13. # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  14. # KIND, either express or implied. See the License for the
  15. # specific language governing permissions and limitations
  16. # under the License.
  17. from __future__ import annotations
  18. from typing import TYPE_CHECKING
  19. from airflow.models.baseoperator import BaseOperator
  20. if TYPE_CHECKING:
  21. from airflow.utils.context import Context
  22. class EmptyOperator(BaseOperator):
  23. """
  24. Operator that does literally nothing.
  25. It can be used to group tasks in a DAG.
  26. The task is evaluated by the scheduler but never processed by the executor.
  27. """
  28. ui_color = "#e8f7e4"
  29. inherits_from_empty_operator = True
  30. def execute(self, context: Context):
  31. pass