Add stable ABI wheels for CPython 3.10+

.github/workflows/buildwheel.yml

@@ -15,7 +15,6 @@ env:
   PYODIDE_VERSION: '314.0.0'
   PYODIDE_EMSCRIPTEN_VERSION: '5.0.3'
   PYODIDE_PYTHON_VERSION: '3.14'
-  PYODIDE_CIBW_BUILD: 'cp314-*'
 
 jobs:
   build_wheels:
@@ -26,54 +25,117 @@ jobs:
       fail-fast: false
       matrix:
         include:
+
           - name: Build manylinux x86-64 wheels
             os: ubuntu-22.04
             kind: native
             artifact_name: wheels-ubuntu-22.04
             cibw_platform: auto
-            cibw_build: "*"
+            cibw_build: "cp313-* cp314-* cp314t-* pp311-*"
+            cibw_config_settings: ""
+
+          - name: Build manylinux x86-64 stable ABI wheels
+            os: ubuntu-22.04
+            kind: stable-abi
+            artifact_name: wheels-ubuntu-22.04-abi3
+            cibw_platform: auto
+            cibw_build: "cp310-*"
+            cibw_config_settings: "setup-args=-Dpython.allow_limited_api=true"
+
           - name: Build manylinux arm64 wheels
             os: ubuntu-22.04-arm
             kind: native
             artifact_name: wheels-ubuntu-22.04-arm
             cibw_platform: auto
-            cibw_build: "*"
+            cibw_build: "cp313-* cp314-* cp314t-* pp311-*"
+            cibw_config_settings: ""
+
+          - name: Build manylinux arm64 stable ABI wheels
+            os: ubuntu-22.04-arm
+            kind: stable-abi
+            artifact_name: wheels-ubuntu-22.04-arm-abi3
+            cibw_platform: auto
+            cibw_build: "cp310-*"
+            cibw_config_settings: "setup-args=-Dpython.allow_limited_api=true"
+
           - name: Build Windows x86-64 wheels
             os: windows-2022
             kind: native
             artifact_name: wheels-windows-2022
             cibw_platform: auto
-            cibw_build: "*"
+            cibw_build: "cp313-* cp314-* cp314t-* pp311-*"
+            cibw_config_settings: "setup-args=--vsenv build-dir=build"
+
+          - name: Build Windows x86-64 stable ABI wheels
+            os: windows-2022
+            kind: stable-abi
+            artifact_name: wheels-windows-2022-abi3
+            cibw_platform: auto
+            cibw_build: "cp310-*"
+            cibw_config_settings: "setup-args=--vsenv setup-args=-Dpython.allow_limited_api=true build-dir=build"
+
           - name: Build Windows arm64 wheels
             os: windows-11-arm
             kind: native
             artifact_name: wheels-windows-11-arm
             cibw_platform: auto
-            cibw_build: "*"
+            cibw_build: "cp313-* cp314-* cp314t-* pp311-*"
+            cibw_config_settings: "setup-args=--vsenv build-dir=build"
+
+          - name: Build Windows arm64 stable ABI wheels
+            os: windows-11-arm
+            kind: stable-abi
+            artifact_name: wheels-windows-11-arm-abi3
+            cibw_platform: auto
+            cibw_build: "cp310-*"
+            cibw_config_settings: "setup-args=--vsenv setup-args=-Dpython.allow_limited_api=true build-dir=build"
+
           - name: Build macOS x86-64 wheels
             os: macos-15-intel
             kind: native
             artifact_name: wheels-macos-15-intel
             cibw_platform: auto
-            cibw_build: "*"
+            cibw_build: "cp313-* cp314-* cp314t-* pp311-*"
+            cibw_config_settings: ""
+
+          - name: Build macOS x86-64 stable ABI wheels
+            os: macos-15-intel
+            kind: stable-abi
+            artifact_name: wheels-macos-15-intel-abi3
+            cibw_platform: auto
+            cibw_build: "cp310-*"
+            cibw_config_settings: "setup-args=-Dpython.allow_limited_api=true"
+
           - name: Build macOS arm64 wheels
             os: macos-14
             kind: native
             artifact_name: wheels-macos-14
             cibw_platform: auto
-            cibw_build: "*"
+            cibw_build: "cp313-* cp314-* cp314t-* pp311-*"
+            cibw_config_settings: ""
+
+          - name: Build macOS arm64 stable ABI wheels
+            os: macos-14
+            kind: stable-abi
+            artifact_name: wheels-macos-14-abi3
+            cibw_platform: auto
+            cibw_build: "cp310-*"
+            cibw_config_settings: "setup-args=-Dpython.allow_limited_api=true"
+
           - name: Build Pyodide wheels
             os: ubuntu-22.04
             kind: pyodide
             artifact_name: wheels-pyodide
             cibw_platform: pyodide
+            cibw_build: "cp314-*"
+            cibw_config_settings: "build-dir=flint_wasm_build setup-args=-Dflint_version_check=false"
 
     steps:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
 
-      - if: ${{ matrix.kind == 'native' }}
+      - if: ${{ matrix.kind != 'pyodide' }}
         uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
         with:
           python-version: '3.13'
@@ -120,7 +182,8 @@ jobs:
         uses: pypa/cibuildwheel@294735312765b09d24a2fbec22660ce817587d55 # v4.1.0
         env:
           CIBW_PLATFORM: ${{ matrix.cibw_platform }}
-          CIBW_BUILD: ${{ matrix.kind == 'pyodide' && env.PYODIDE_CIBW_BUILD || matrix.cibw_build }}
+          CIBW_BUILD: ${{ matrix.cibw_build }}
+          CIBW_CONFIG_SETTINGS: ${{ matrix.cibw_config_settings }}
           CIBW_PYODIDE_VERSION: ${{ env.PYODIDE_VERSION }}
           # override setting in pyproject.toml to use msys2 instead of msys64 bash
           CIBW_BEFORE_ALL_WINDOWS: ${{ matrix.os == 'windows-11-arm' && 'msys2 -c bin/cibw_before_all_windows_arm64.sh' || 'msys2 -c bin/cibw_before_all_windows_amd64.sh' }}
@@ -172,8 +235,10 @@ jobs:
           macos-15,
           ]
         # This list to be kept in sync with python-requires in pyproject.toml.
-        python-version: ['3.11', '3.12', '3.13', '3.14', '3.14t', 'pypy3.11']
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14', '3.14t', '3.15', 'pypy3.11']
         exclude:
+          - os: windows-11-arm
+            python-version: '3.10'
           - os: windows-11-arm
             python-version: pypy3.11
 

README.md

@@ -18,7 +18,7 @@ Author: Fredrik Johansson <fredrik.johansson@gmail.com>
 Installation
 ------------
 
-Currently python-flint supports CPython versions 3.11-3.14 and 3.14t
+Currently python-flint supports CPython versions 3.10-3.14 and 3.14t
 (free-threaded) and provides binaries on PyPI for the following platforms:
 
 - Windows (x86-64)
@@ -144,7 +144,7 @@ Compatible versions:
 
 | python-flint | Release date  | CPython     | FLINT      | Cython           |
 |--------------|---------------|-------------|------------|------------------|
-| `0.9.0`      |      ???      | `3.11-3.14` | `3.0-3.6`  | `3.1-3.2?`       |
+| `0.9.0`      |      ???      | `3.10-3.14` | `3.0-3.6`  | `3.1-3.2?`       |
 | `0.8.0`      | 29th Aug 2025 | `3.11-3.14` | `3.0-3.3`  | `3.1` only       |
 | `0.7.0`      | 16th Mar 2025 | `3.11-3.13` | `3.0-3.2`  | `3.0.11-3.1.0a1` |
 | `0.6.0`      |  1st Feb 2024 | `3.9-3.12`  | `3.0` only | `3.0` only       |

bin/cibw.bat

@@ -22,6 +22,10 @@ rem
 del /q wheelhouse\*
 
 rem override setting in pyproject.toml
-set CIBW_BUILD=cp39-* cp310-* cp311-*
+set CIBW_BUILD=cp313-* cp314-* cp314t-* pp311-*
+
+cibuildwheel --platform windows
+
+set CIBW_BUILD=cp310-*
 
 cibuildwheel --platform windows

doc/source/build.rst

@@ -86,7 +86,7 @@ Compatible versions:
      - Cython
    * - 0.9.0
      - Not yet
-     - 3.11-3.14
+     - 3.10-3.14
      - 3.0-3.6
      - 3.1-3.2?
    * - 0.8.0

doc/source/install.rst

@@ -47,9 +47,9 @@ Fully supported platforms
 
 Generally each release of python-flint will be compatible with a range of
 Python versions as described in `SPEC 0
-<https://scientific-python.org/specs/spec-0000/>`_. At the time of writing, the
-current release of ``python-flint`` is ``0.6.0`` and binaries are provided for
-Python 3.9, 3.10 3.11 and 3.12 for the following platforms:
+<https://scientific-python.org/specs/spec-0000/>`_. At the time of writing,
+binaries are provided for CPython 3.10-3.14 and PyPy 3.11 for the following
+platforms:
 
 - Windows 64-bit (``x86_64``)
 - MacOS 64-bit Intel and 64-bit ARM (i.e. Apple Silicon)

meson.options

@@ -1,4 +1,4 @@
 option('coverage', type : 'boolean', value : false, description : 'enable coverage build')
 option('add_flint_rpath', type : 'boolean', value : false)
 option('flint_version_check', type: 'boolean', value : true)
-option('limited_api_version', type: 'string', value : '3.12')
+option('limited_api_version', type: 'string', value : '3.10')

pyproject.toml

@@ -4,7 +4,7 @@ description = "Bindings for FLINT"
 version = "0.8.0"
 
 # This needs to be in sync with README, and CI config.
-requires-python = ">= 3.11"
+requires-python = ">= 3.10"
 authors = [
     {name = "Fredrik Johansson", email = "fredrik.johansson@gmail.com"},
     {name = "Oscar Benjamin", email = "oscar.j.benjamin@gmail.com"},
@@ -154,7 +154,6 @@ repair-wheel-command = [
 
 [tool.cibuildwheel.windows]
 before-build = "pip install wheel delvewheel"
-config-settings = {setup-args = ["--vsenv"], build-dir = "build"}
 repair-wheel-command = [
 """python bin/cibw_repair_wheel_licenses.py {wheel} \
     --license LGPL-3.0-or-later \
@@ -199,7 +198,3 @@ WASM_LIBRARY_DIR = "$(pwd)/wasm-library-dir"
 PKG_CONFIG_PATH = "$(pwd)/wasm-library-dir/lib/pkgconfig:$PKG_CONFIG_PATH"
 CFLAGS = "-I$(pwd)/wasm-library-dir/include $CFLAGS"
 LDFLAGS = "-L$(pwd)/wasm-library-dir/lib -lflint -lmpfr -lgmp $LDFLAGS"
-
-[tool.cibuildwheel.pyodide.config-settings]
-build-dir = "flint_wasm_build"
-setup-args = ["-Dflint_version_check=false"]