[GitHub] [airflow] potiuk commented on issue #27079: Option to deserialize JSON from last log line in BashOperator and DockerOperator before sending to XCom

[GitBox <gi...@apache.org>]

potiuk commented on issue #27079:
URL: https://github.com/apache/airflow/issues/27079#issuecomment-1289182683

   > The previous jinja template `{{ xcom_pull('task_a')['key2'] }}` is now working in `task B`, since the XCom value is now a Python dictionnary.
   
   Actually I think that could be made into a common "AbstractOperator" feature when I think of it. We could add "deserialize_output" parameter so that any opertor can use it. I think we should even deserialize it using yaml, because then we will automatically handle both Yaml, and JSON (Yamlk is actually a 100% compatible superset of JSON - every proper JSON content is also a valid YAML). 
   
   WDYT @uranusjr ? I think having it as common "operator" feature (disabled by default) is quite a powerful feature that can maje a number of existing operators much easier to work witth.


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