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[C++][Python] DLPack implementation for Arrow Arrays and Tensors (consuming) #39295

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Description

@AlenkaF

Describe the enhancement requested

As the work on the DLPack (producer) implementation on Arrow Arrays is finalised (#33984) we could think about doing the consuming part of the protocol to be able to import tensors through the DLPack protocol from libraries that support it.

One use case could be returning the data back to Arrow after processing it with PyTorch.

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C++

Activity

  1. added
    Status: stale-warningIssues and PRs flagged as stale which are due to be closed if no indication otherwise
    on Feb 18, 2026
  2. thisisnic commented on Feb 18, 2026

    @thisisnic
    Member

    This issue has been marked as stale because it has had no activity in the past 2 years. Please remove the stale label or comment below, or this issue will be closed in 14 days.

  3. removed
    Status: stale-warningIssues and PRs flagged as stale which are due to be closed if no indication otherwise
    on Mar 27, 2026
  4. self-assigned this
    on Mar 27, 2026
  5. removed their assignment
    on Jul 9, 2026
  6. changed the title [-][C++][Python] DLPack implementation for Arrow Arrays (consuming)[/-] [+][C++][Python] DLPack implementation for Arrow Arrays and Tensors (consuming)[/+] on Aug 19, 2026
  7. added a commit that references this issue on Sep 10, 2026
  8. added this to the 26.0.0 milestone on Sep 10, 2026
  9. pitrou commented on Sep 10, 2026

    @pitrou
    Member

    Issue resolved by pull request 51122
    #51122

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