python / python/cpython

Adding `Py_HashBuffer` to the Stable ABI

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interpreter-core topic-C-API type-feature
Dominant language
Python
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Description

Feature or enhancement

Proposal:

The function Py_HashBuffer was added in PR: https://github.com/python/cpython/issues/122854

This was included in Python 3.14

Would like to propose adding this to the Stable ABI

Has this already been discussed elsewhere?

This is a minor feature, which does not need previous discussion elsewhere

Links to previous discussion of this feature:

This came up in discussion in the PR, but hadn't been done there as it wasn't determined previously. So would like to open this discussion

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading PR #122854 and the issue's discussion of Py_HashBuffer and the Stable ABI. Identify the existing Stable ABI entry points and validation used for similar functions; done means Py_HashBuffer is included consistently and the relevant checks pass.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
api
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
45/100

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