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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2020/04/02 02:22:36 UTC

[GitHub] [airflow] casassg opened a new issue #8053: [AIP-31] Resolve XComArg in template_fields

casassg opened a new issue #8053: [AIP-31] Resolve XComArg in template_fields
URL: https://github.com/apache/airflow/issues/8053
 
 
   
   
   **Description**
   
   As a DAG Author, I want to set a templated_field as XComArg and for it to get resolved into the XCom object at execution time.
   
   _Proposed implementation_
   - Add a new check in `BaseOperator.render_template` that checks if the content is `XComArg` and applies the `get` method to replace the content. [Code location.](https://github.com/apache/airflow/blob/2869d3dae03f7d7bd5bea66c25ae0e0c97771281/airflow/models/baseoperator.py#L801)
   
   **Use case / motivation**
   
   - Set explicit XCom values in `templated_fields` instead of using string templates.
   
   
   **Related Issues**
   
   Blocked by: #8052

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