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Posted to commits@airflow.apache.org by "roykoand (via GitHub)" <gi...@apache.org> on 2026/01/03 15:03:33 UTC

Re: [PR] Add BaseXCom to common.compat library [airflow]

roykoand commented on PR #60001:
URL: https://github.com/apache/airflow/pull/60001#issuecomment-3707113868

   > What's the use case for this? BaseXcom is needed for writing custom backends only
   
   Hi @amoghrajesh,
   
   Thanks for looking into this! I have a fairly standard use case of storing XComs in object storage with some custom modifications. The current implementation predates `airflow.providers.common.io.xcom.backend.XComObjectStorageBackend`, which is why it wasn't used initially. While I could likely refactor it to use `XComObjectStorageBackend`, I thought including `BaseXCom` in `common.compat` would be beneficial (and easier for me...).
   
   At a minimum, it would allow us to simplify at least one occurrence 😆
   
   https://github.com/apache/airflow/blob/4745dc53d9d38094acc7119a634aed9ed243f9da/providers/common/io/src/airflow/providers/common/io/xcom/backend.py#L37-L42


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