feat: Python 3.13 support and CI builds (#214)

- Set minimum required Python version 3.9 in `pyproject.toml`.
- Added Python 3.13 to `cibuildwheel` build list in `pyproject.toml` and removed 3.8.
- Added Python 3.13 to meta-data classifiers in `pyproject.toml` and removed 3.8.
- Added Python 3.13 to `tox.ini` and removed 3.8.
- Updated minimum supported Python version mentioned in readme etc.
- Updated latest Python version mentioned in windows install docs.
- ci: Use GitHub Action Linux arm runners, remove dedicated pipeline for aarch64.
- ci: Let cibuildwheel install needed Python versions.

Signed-off-by: Christopher Arndt <[email protected]>

Author: SpotlightKid

.github/workflows/pr_to_master.yml

@@ -40,7 +40,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, macos-latest]
     steps:
 
     - uses: actions/checkout@v4
@@ -50,58 +50,19 @@ jobs:
     - uses: ilammy/msvc-dev-cmd@v1
       if: matrix.os == 'windows-latest'
 
-    - name: Install Python
-      uses: actions/setup-python@v5
-      with:
-        python-version: |
-          3.9
-          3.10
-          3.11
-          3.12
-          pypy3.9
-          pypy3.10
-
     - name: Build wheels
-      uses: pypa/cibuildwheel@v2.16
+      uses: pypa/cibuildwheel@v2.22
       env:
         # Skip trying to test arm64 builds on Intel Macs
         CIBW_TEST_SKIP: "*-macosx_arm64 *-macosx_universal2:arm64"
 
-    - name: Upload wheels
-      uses: actions/upload-artifact@v4
-      with:
-        name: bdist-${{ matrix.os }}
-        path: wheelhouse/*.whl
-        compression-level: 0
-
-  build_arch_wheels:
-    name: Build wheels on Linux ${{ matrix.arch }}
-    runs-on: ubuntu-20.04
-    strategy:
-      matrix:
-        arch: [aarch64]
-    steps:
-
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - uses: docker/setup-qemu-action@v3
-      with:
-        platforms: all
-
-    - name: Build wheels
-      uses: pypa/[email protected]
-      env:
-        CIBW_ARCHS: ${{ matrix.arch }}
-
     - name: Verify clean directory
       run: git diff --exit-code
       shell: bash
 
     - name: Upload wheels
       uses: actions/upload-artifact@v4
       with:
-        name: bdist-linux-${{ matrix.arch }}
+        name: bdist-${{ matrix.os }}
         path: wheelhouse/*.whl
         compression-level: 0

.github/workflows/push_to_master.yml

@@ -40,7 +40,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, macos-latest]
     steps:
 
     - uses: actions/checkout@v4
@@ -50,59 +50,20 @@ jobs:
     - uses: ilammy/msvc-dev-cmd@v1
       if: matrix.os == 'windows-latest'
 
-    - name: Install Python
-      uses: actions/setup-python@v5
-      with:
-        python-version: |
-          3.9
-          3.10
-          3.11
-          3.12
-          pypy3.9
-          pypy3.10
-
     - name: Build wheels
-      uses: pypa/cibuildwheel@v2.16
+      uses: pypa/cibuildwheel@v2.22
       env:
         # Skip trying to test arm64 builds on Intel Macs
         CIBW_TEST_SKIP: "*-macosx_arm64 *-macosx_universal2:arm64"
 
-    - name: Upload wheels
-      uses: actions/upload-artifact@v4
-      with:
-        name: bdist-${{ matrix.os }}
-        path: wheelhouse/*.whl
-        compression-level: 0
-
-  build_arch_wheels:
-    name: Build wheels on Linux ${{ matrix.arch }}
-    runs-on: ubuntu-20.04
-    strategy:
-      matrix:
-        arch: [aarch64]
-    steps:
-
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - uses: docker/setup-qemu-action@v3
-      with:
-        platforms: all
-
-    - name: Build wheels
-      uses: pypa/[email protected]
-      env:
-        CIBW_ARCHS: ${{ matrix.arch }}
-
     - name: Verify clean directory
       run: git diff --exit-code
       shell: bash
 
     - name: Upload wheels
       uses: actions/upload-artifact@v4
       with:
-        name: bdist-linux-${{ matrix.arch }}
+        name: bdist-${{ matrix.os }}
         path: wheelhouse/*.whl
         compression-level: 0
 

.github/workflows/release.yml

@@ -43,7 +43,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, macos-latest]
     steps:
 
     - uses: actions/checkout@v
@@ -53,59 +53,20 @@ jobs:
     - uses: ilammy/msvc-dev-cmd@v1
       if: matrix.os == 'windows-latest'
 
-    - name: Install Python
-      uses: actions/setup-python@v5
-      with:
-        python-version: |
-          3.9
-          3.10
-          3.11
-          3.12
-          pypy3.9
-          pypy3.10
-
     - name: Build wheels
-      uses: pypa/cibuildwheel@v2.16
+      uses: pypa/cibuildwheel@v2.22
       env:
         # Skip trying to test arm64 builds on Intel Macs
         CIBW_TEST_SKIP: "*-macosx_arm64 *-macosx_universal2:arm64"
 
-    - name: Upload wheels
-      uses: actions/upload-artifact@v4
-      with:
-        name: bdist-${{ matrix.os }}
-        path: wheelhouse/*.whl
-        compression-level: 0
-
-  build_arch_wheels:
-    name: Build wheels on Linux ${{ matrix.arch }}
-    runs-on: ubuntu-20.04
-    strategy:
-      matrix:
-        arch: [aarch64]
-    steps:
-
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - uses: docker/setup-qemu-action@v3
-      with:
-        platforms: all
-
-    - name: Build wheels
-      uses: pypa/[email protected]
-      env:
-        CIBW_ARCHS: ${{ matrix.arch }}
-
     - name: Verify clean directory
       run: git diff --exit-code
       shell: bash
 
     - name: Upload wheels
       uses: actions/upload-artifact@v4
       with:
-        name: bdist-linux-${{ matrix.arch }}
+        name: bdist-${{ matrix.os }}
         path: wheelhouse/*.whl
         compression-level: 0
 

INSTALL-windows.md

@@ -1,7 +1,7 @@
 # How to install python-rtmidi from source on Windows
 
 These instructions should work for installing `python-rtmidi` from source with
-Python 3.8+ in the 64-bit or 32-bit versions (you can run the latter on Windows
+Python 3.9+ in the 64-bit or 32-bit versions (you can run the latter on Windows
 64-bit versions with no problems).
 
 Please follow all the steps below in the exact order.
@@ -10,8 +10,8 @@ Please follow all the steps below in the exact order.
 
 You probably need administrator rights for some or all of the following steps.
 
-1.  Install the latest release of Python (3.12 at the time of writing, at least
-    3.8+) from <https://www.python.org/downloads/windows/> to the default
+1.  Install the latest release of Python (3.13 at the time of writing, at least
+    3.9+) from <https://www.python.org/downloads/windows/> to the default
     location (e.g. `C:\Python312`). You can install either or both the 32-bit
     and the 64-bit version.
 

README.md

@@ -20,7 +20,7 @@ Windows (MultiMedia System) operating systems.
 provides a thin wrapper around the RtMidi C++ interface. The API is basically
 the same as the C++ one but with the naming scheme of classes, methods and
 parameters adapted to the Python PEP-8 conventions and requirements of the
-Python package naming structure. **python-rtmidi** supports Python 3 (3.8+).
+Python package naming structure. **python-rtmidi** supports Python 3 (3.9+).
 
 The [documentation] provides installation instructions, a history of changes
 per release and an API reference.

pyproject.toml

@@ -28,11 +28,11 @@ classifiers = [
     "Operating System :: MacOS :: MacOS X",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Topic :: Multimedia :: Sound/Audio :: MIDI",
     "Topic :: Software Development :: Libraries :: Python Modules",
 ]
@@ -63,11 +63,11 @@ file = "LICENSE.md"
 [tool.black]
 line-length = 99
 target-version = [
-    "py38",
     "py39",
     "py310",
     "py311",
     "py312",
+    "py313",
 ]
 
 [tool.isort]
@@ -96,10 +96,11 @@ manylinux-aarch64-image = "manylinux_2_28"
 test-requires = "pytest"
 test-command = "pytest -v -m ci {package}/tests"
 
-# Install system library
 [tool.cibuildwheel.linux]
-build = ["cp3{9,10,11,12}-manylinux*", "pp3{9,10}-manylinux*"]
+build = ["cp3{9,10,11,12,13}-manylinux*", "pp3{9,10,11}-manylinux*"]
 archs = ["auto64"]
+enable = ["pypy"]
+# Install system libraries
 before-all = [
     "dnf -y install alsa-lib-devel alsa-utils",
     "curl -o jack2-1.9.22.tar.gz https://codeload.github.com/jackaudio/jack2/tar.gz/refs/tags/v1.9.22",
@@ -112,9 +113,9 @@ before-all = [
 repair-wheel-command = "auditwheel repair --exclude libasound.so.2 --lib-sdir . -w {dest_dir} {wheel}"
 
 [tool.cibuildwheel.macos]
-build = "cp3{9,10,11,12}-macosx*"
+build = "cp3{9,10,11,12,13}-macosx*"
 archs = ["x86_64", "arm64"]
 
 [tool.cibuildwheel.windows]
-build = "cp3{9,10,11,12}-win*"
+build = "cp3{9,10,11,12,13}-win*"
 archs = ["AMD64"]

src/_rtmidi.pyx

@@ -19,7 +19,7 @@ and Windows (MultiMedia System) operating systems.
 provides a thin wrapper around the RtMidi C++ interface. The API is basically
 the same as the C++ one but with the naming scheme of classes, methods and
 parameters adapted to the Python PEP-8 conventions and requirements of the
-Python package naming structure. **python-rtmidi** supports Python 3 (3.8+).
+Python package naming structure. **python-rtmidi** supports Python 3 (3.9+).
 
 
 Usage example

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = flake8, py38, py39, py310, py311, py312
+envlist = flake8, py39, py310, py311, py312, py313
 skip_missing_interpreters = True
 isolated_build = True