kosiew opened a new pull request, #1355:
URL: https://github.com/apache/datafusion-python/pull/1355
## Which issue does this PR close?
* Closes #1324.
---
## Rationale for this change
Python’s experimental **free-threaded** builds (currently 3.13t and 3.14t)
use a **different ABI** than the standard GIL-enabled CPython builds. Because
of that, we can’t rely on a single stable-ABI (`abi3`) wheel to cover these
interpreters.
At the same time, we still want to keep the existing `abi3-py310`
configuration so we continue producing stable-ABI wheels for the “normal”
(GIL-enabled) CPython versions.
This PR updates the release/build pipeline so we can ship:
* stable-ABI wheels for standard CPython (via `abi3-py310`), and
* version-specific wheels for free-threaded CPython (cp313t / cp314t).
---
## What changes are included in this PR?
* **Expanded CI build matrix** for macOS + Windows to build wheels for:
* CPython 3.10–3.14 (standard builds)
* CPython 3.13t + 3.14t (free-threaded builds)
* **Artifact naming improvements** using a suffix (e.g. `-freethreaded`) to
avoid collisions and make uploads easier to identify.
* **maturin invocation updated** on macOS/Windows to explicitly target the
active interpreter (`--interpreter python`).
* **Manylinux builds split into two groups**:
* standard CPython interpreters (3.10–3.14)
* free-threaded interpreters (3.13t–3.14t)
using `maturin-action`’s `interpreter` parameter.
* **Cargo / PyO3 config adjustment**: removed the generic `abi3` feature
while keeping `abi3-py310` enabled, aligning with the intended wheel strategy.
* **Release documentation updated** to clarify that free-threaded CPython
ignores `abi3` and requires per-version wheels.
---
## Are these changes tested?
* CI was updated to **build wheels across the expanded interpreter matrix**
on:
* macOS (universal / aarch64 and x86_64 job)
* Windows
* manylinux x86_64 and aarch64
These builds act as the primary validation for this change (successful wheel
builds + artifact upload for each target).
---
## Are there any user-facing changes?
Yes — users will now see additional wheel files published for free-threaded
Python:
* `cp313t` and `cp314t` wheels (per-ABI/per-version)
Standard CPython users (3.10–3.14) continue to get stable-ABI (`abi3`)
wheels as before.
No runtime API changes are introduced by this PR.
---
## LLM-generated code disclosure
This PR includes code, comments generated with assistance from LLM. All
LLM-generated content has been manually reviewed and tested.
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