Actually provide wheels usable in all supported versions

.github/scripts/ci_check_wheel.ps1

@@ -0,0 +1,34 @@
+# A Powershell port of `ci_check_wheel.sh`. Refer to that script instead.
+
+# Any change made here should be made in `ci_check_wheel.sh` too.
+
+param (
+    [Parameter(Mandatory = $true)]
+    [string]$PYTHON_VERSION,
+
+    [Parameter(Mandatory = $true)]
+    [string]$KEY,
+
+    [string]$EXTRA
+)
+
+# Equivalent to `set -e`
+$ErrorActionPreference = "Stop"
+
+if (Test-Path ".venv") {
+    Remove-Item -Recurse -Force ".venv"
+}
+
+# When $EXTRA is empty powershell passes the argument as an empty argument to
+# uv, so we need to explicitly check the argument and only pass it if it is not
+# empty to avoid uv from erroring
+if ($EXTRA) {
+    uv venv .venv -p $PYTHON_VERSION $EXTRA
+} else {
+    uv venv .venv -p $PYTHON_VERSION
+}
+
+.\.venv\Scripts\Activate.ps1
+uv run python --version
+uv pip install $(Get-ChildItem -Path .\dist\ -Recurse -Filter "crunch64-*-abi3-*")
+uv run python -c "import crunch64; print(crunch64.__version__)"

.github/scripts/ci_check_wheel.sh

@@ -0,0 +1,33 @@
+# This script checks a given Python wheel inside the `dist` is installable in a
+# given Python version.
+#
+# It recieves the following arguments:
+# - The python version to check, it must be compatible with uv.
+# - A key value to allow searching for the wheel in the `dist` folder. Only a
+#   single wheel in the folder must contain this value in its name.
+#   Recommended values: abi3, cp314t, pypy39 and similar values.
+# - (OPTIONAL) A single aditional flag to pass to `uv venv`.
+#   Usually `--managed-python`.
+
+# Any change made here should be made in `ci_check_wheel.ps1` too.
+
+PYTHON_VERSION=$1
+KEY=$2
+EXTRA=$3
+
+# Exit with an error value if any command produces an error.
+set -e
+
+# We make a venv with the Python version we were told to.
+rm -rf .venv
+uv venv -p $PYTHON_VERSION $EXTRA
+source .venv/bin/activate
+# Allows us to check we are actually using the requested Python version.
+uv run python --version
+
+# We install the wheel by looking it up in the dist folder.
+# We need to do a `find` command here because we don't know the exact name of
+# the wheel (it can be affected by package version, arch, python version, etc.).
+uv pip install $(find ./dist/ -name "crunch64-*-$KEY*")
+# Check something basic to make sure it was installed correctly.
+uv run python -c "import crunch64; print(crunch64.__version__)"

.github/workflows/maturin_upload_pypi.yml

@@ -1,4 +1,4 @@
-# This file is autogenerated by maturin v1.9.6
+# This file is autogenerated by maturin v1.11.4
 # To update, run
 #
 #    maturin generate-ci github
@@ -13,42 +13,55 @@ on:
 permissions:
   contents: read
 
+# At the time of writing, PyO3 has a hard minimal Python version of 3.7, so
+# there's no use trying to go any lower than that.
+
 jobs:
   linux:
     runs-on: ${{ matrix.platform.runner }}
     strategy:
+      fail-fast: false
       matrix:
         platform:
           - runner: ubuntu-22.04
             target: x86_64
+            python_version_min: '3.7'
+            python_version_max: '3.14'
           - runner: ubuntu-22.04
             target: x86
+            python_version_min: '3.7'
+            python_version_max: '3.14'
           - runner: ubuntu-22.04
             target: aarch64
+            python_version_min: '3.7'
+            python_version_max: '3.14'
           - runner: ubuntu-22.04
             target: armv7
+            python_version_min: '3.7'
+            python_version_max: '3.14'
           - runner: ubuntu-22.04
             target: s390x
+            python_version_min: '3.7'
+            python_version_max: '3.14'
           - runner: ubuntu-22.04
             target: ppc64le
+            python_version_min: '3.7'
+            python_version_max: '3.14'
     steps:
       - uses: actions/checkout@main
       - uses: actions/setup-python@v6
         with:
           python-version: |
-            3.8 - 3.14
-            3.x
-            pypy3.8
+            ${{ matrix.platform.python_version_min }}
+            3.14t
             pypy3.9
             pypy3.10
             pypy3.11
       - name: Build wheels
         uses: PyO3/maturin-action@v1
-        env:
-          PYO3_USE_ABI3_FORWARD_COMPATIBILITY: 1
         with:
           target: ${{ matrix.platform.target }}
-          args: --release --out ../dist --find-interpreter
+          args: --release --out ../dist -i python${{ matrix.platform.python_version_min }} python3.14t pypy3.9 pypy3.10 pypy3.11
           sccache: ${{ !startsWith(github.ref, 'refs/tags/') }}
           manylinux: auto
           working-directory: lib/
@@ -59,37 +72,72 @@ jobs:
           path: dist
           if-no-files-found: error
 
+      # Test the built wheels are installable in the min and max Python
+      # versions we are about.
+      # We do this by installing the Python version in a venv using uv,
+      # installing the built wheel into the venv and running some simple
+      # command like printing the crunch64 version from within Python.
+      # We can only test the wheels that matches the architecture of the runner
+      # so we hope the other built wheels will just work, hopefully.
+      - name: Install uv
+        uses: astral-sh/setup-uv@v7
+        if: ${{ matrix.platform.target == 'x86_64' }}
+      - name: Test wheels with min version (${{ matrix.platform.python_version_min }})
+        if: ${{ matrix.platform.target == 'x86_64' }}
+        # Check the built wheel is installable on the oldest Python supported
+        run: |
+          .github/scripts/ci_check_wheel.sh ${{ matrix.platform.python_version_min }} abi3
+      - name: Test wheels with max version (${{ matrix.platform.python_version_max }})
+        if: ${{ matrix.platform.target == 'x86_64' }}
+        # Check the built wheel is installable on the newest Python we know of
+        run: |
+          .github/scripts/ci_check_wheel.sh ${{ matrix.platform.python_version_max }} abi3 --managed-python
+
+      - name: Test free threaded wheels
+        if: ${{ matrix.platform.target == 'x86_64' }}
+        run: |
+          .github/scripts/ci_check_wheel.sh 3.14t cp314t --managed-python
+
+      - name: Test pypy wheels
+        if: ${{ matrix.platform.target == 'x86_64' }}
+        run: |
+          .github/scripts/ci_check_wheel.sh pypy3.9 pypy39 --managed-python
+          .github/scripts/ci_check_wheel.sh pypy3.10 pypy310 --managed-python
+          .github/scripts/ci_check_wheel.sh pypy3.11 pypy311 --managed-python
+
   musllinux:
     runs-on: ${{ matrix.platform.runner }}
     strategy:
+      fail-fast: false
       matrix:
         platform:
           - runner: ubuntu-22.04
             target: x86_64
+            python_version_min: '3.7'
           - runner: ubuntu-22.04
             target: x86
+            python_version_min: '3.7'
           - runner: ubuntu-22.04
             target: aarch64
+            python_version_min: '3.7'
           - runner: ubuntu-22.04
             target: armv7
+            python_version_min: '3.7'
     steps:
       - uses: actions/checkout@main
       - uses: actions/setup-python@v6
         with:
           python-version: |
-            3.8 - 3.14
-            3.x
-            pypy3.8
+            ${{ matrix.platform.python_version_min }}
+            3.14t
             pypy3.9
             pypy3.10
             pypy3.11
       - name: Build wheels
         uses: PyO3/maturin-action@v1
-        env:
-          PYO3_USE_ABI3_FORWARD_COMPATIBILITY: 1
         with:
           target: ${{ matrix.platform.target }}
-          args: --release --out ../dist --find-interpreter
+          args: --release --out ../dist -i python${{ matrix.platform.python_version_min }} python3.14t pypy3.9 pypy3.10 pypy3.11
           sccache: ${{ !startsWith(github.ref, 'refs/tags/') }}
           manylinux: musllinux_1_2
           working-directory: lib/
@@ -100,33 +148,42 @@ jobs:
           path: dist
           if-no-files-found: error
 
+      # We can't test musllinux wheels on manylinux runners
+
   windows:
     runs-on: ${{ matrix.platform.runner }}
     strategy:
+      fail-fast: false
       matrix:
         platform:
           - runner: windows-latest
             target: x64
+            python_arch: x64
+            python_version_min: '3.7'
+            python_version_max: '3.14'
           - runner: windows-latest
             target: x86
+            python_arch: x86
+            python_version_min: '3.7'
+            python_version_max: '3.14'
+          - runner: windows-11-arm
+            target: aarch64
+            python_arch: arm64
+            python_version_min: '3.11'
+            python_version_max: '3.14'
     steps:
       - uses: actions/checkout@main
       - uses: actions/setup-python@v6
         with:
-          # We can't use pypy3.8 nor pypy3.11 in CI
           python-version: |
-            3.8 - 3.14
-            3.x
-            pypy3.9
-            pypy3.10
-          architecture: ${{ matrix.platform.target }}
+            ${{ matrix.platform.python_version_min }}
+            3.14t
+          architecture: ${{ matrix.platform.python_arch }}
       - name: Build wheels
         uses: PyO3/maturin-action@v1
-        env:
-          PYO3_USE_ABI3_FORWARD_COMPATIBILITY: 1
         with:
           target: ${{ matrix.platform.target }}
-          args: --release --out ../dist --find-interpreter
+          args: --release --out ../dist -i python${{ matrix.platform.python_version_min }} python3.14t
           sccache: ${{ !startsWith(github.ref, 'refs/tags/') }}
           working-directory: lib/
       - name: Upload wheels
@@ -136,33 +193,47 @@ jobs:
           path: dist
           if-no-files-found: error
 
+      - name: Install uvci_check_wheel
+        uses: astral-sh/setup-uv@v7
+      - name: Test wheels with min version (${{ matrix.platform.python_version_min }})
+        if: ${{ matrix.platform.target == 'x64' }}
+        # Check the built wheel is installable on the oldest Python supported
+        run: |
+          .github/scripts/ci_check_wheel.ps1 ${{ matrix.platform.python_version_min }} abi3
+      - name: Test wheels with max version (${{ matrix.platform.python_version_max }})
+        if: ${{ matrix.platform.target == 'x64' }}
+        run: |
+          .github/scripts/ci_check_wheel.ps1 ${{ matrix.platform.python_version_max }} abi3 --managed-python
+
   macos:
     runs-on: ${{ matrix.platform.runner }}
     strategy:
+      fail-fast: false
       matrix:
         platform:
           - runner: macos-15-intel
             target: x86_64
-          - runner: macos-14
+            python_version_min: '3.7'
+            python_version_max: '3.14'
+          - runner: macos-latest
             target: aarch64
+            python_version_min: '3.8'
+            python_version_max: '3.14'
     steps:
       - uses: actions/checkout@main
       - uses: actions/setup-python@v6
         with:
-          # We can't use pypy3.8 in CI
           python-version: |
-            3.8 - 3.14
-            3.x
+            ${{ matrix.platform.python_version_min }}
+            3.14t
             pypy3.9
             pypy3.10
             pypy3.11
       - name: Build wheels
         uses: PyO3/maturin-action@v1
-        env:
-          PYO3_USE_ABI3_FORWARD_COMPATIBILITY: 1
         with:
           target: ${{ matrix.platform.target }}
-          args: --release --out ../dist --find-interpreter
+          args: --release --out ../dist -i python${{ matrix.platform.python_version_min }} python3.14t pypy3.9 pypy3.10 pypy3.11
           sccache: ${{ !startsWith(github.ref, 'refs/tags/') }}
           working-directory: lib/
       - name: Upload wheels
@@ -172,14 +243,33 @@ jobs:
           path: dist
           if-no-files-found: error
 
+      - name: Install uv
+        uses: astral-sh/setup-uv@v7
+      - name: Test wheels with min version (${{ matrix.platform.python_version_min }})
+        # Check the built wheel is installable on the oldest Python supported
+        run: |
+          .github/scripts/ci_check_wheel.sh ${{ matrix.platform.python_version_min }} abi3
+      - name: Test wheels with max version (${{ matrix.platform.python_version_max }})
+        # Check the built wheel is installable on the oldest Python supported
+        run: |
+          .github/scripts/ci_check_wheel.sh ${{ matrix.platform.python_version_max }} abi3 --managed-python
+
+      - name: Test free threaded wheels
+        run: |
+          .github/scripts/ci_check_wheel.sh 3.14t cp314t --managed-python
+
+      - name: Test pypy wheels
+        run: |
+          .github/scripts/ci_check_wheel.sh pypy3.9 pypy39 --managed-python
+          .github/scripts/ci_check_wheel.sh pypy3.10 pypy310 --managed-python
+          .github/scripts/ci_check_wheel.sh pypy3.11 pypy311 --managed-python
+
   sdist:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@main
       - name: Build sdist
         uses: PyO3/maturin-action@v1
-        env:
-          PYO3_USE_ABI3_FORWARD_COMPATIBILITY: 1
         with:
           command: sdist
           args: --out ../dist
@@ -223,17 +313,18 @@ jobs:
       # Used to generate artifact attestation
       attestations: write
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v6
       - name: Generate artifact attestation
-        uses: actions/attest-build-provenance@v2
+        uses: actions/attest-build-provenance@v3
         with:
           subject-path: 'wheels-*/*'
+      - name: Install uv
+        uses: astral-sh/setup-uv@v7
+      - name: Publish to PyPI (dry-run)
+        if: ${{ !startsWith(github.ref, 'refs/tags/') }}
+        run: uv publish 'wheels-*/*' --dry-run
       - name: Publish to PyPI
         if: ${{ startsWith(github.ref, 'refs/tags/') }}
-        uses: PyO3/maturin-action@v1
+        run: uv publish 'wheels-*/*'
         env:
-          PYO3_USE_ABI3_FORWARD_COMPATIBILITY: 1
-          MATURIN_PYPI_TOKEN: ${{ secrets.PYPI_PASSWORD }}
-        with:
-          command: upload
-          args: --non-interactive --skip-existing wheels-*/*
+          UV_PUBLISH_TOKEN: ${{ secrets.PYPI_PASSWORD }}

.github/workflows/python_bindings.yml

@@ -6,11 +6,12 @@ on: [push, pull_request]
 jobs:
   tests_cases:
     name: Test for Python ${{ matrix.py_version }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
         py_version:
+          - '3.7'
           - '3.8'
           - '3.9'
           - '3.10'