Review supported Python versions and platforms

.github/workflows/cibuildwheel.yml

@@ -13,8 +13,12 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        # macos-15-intel is an intel runner, macos-latest is apple silicon
-        os: [ubuntu-latest, macos-15-intel, macos-latest, ubuntu-24.04-arm, windows-latest]
+        os:
+          - ubuntu-latest  # x64
+          - ubuntu-24.04-arm  # ARM
+          - macos-15-intel  # x64
+          - macos-latest  # ARM
+          - windows-latest  # x64
 
     steps:
       # See https://cibuildwheel.pypa.io/en/1.x/cpp_standards/

.github/workflows/tests.yml

@@ -22,8 +22,24 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: [ubuntu-latest, windows-2022]
-        python_version: ["3.9", "3.10", "3.11", "3.12"]
+        os:
+          - ubuntu-latest  # x64
+          - ubuntu-24.04-arm  # ARM
+          - macos-15-intel  # x64
+          - macos-latest  # ARM
+          - windows-latest  # x64
+        python_version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+        cc: ['']  # default: gcc on Linux; clang on Mac/Windows
+        include:
+          # Note: default compiler for Linux is gcc. cibuildwheel uses gcc.
+          # FIXME: clang crashes on ARM Linux
+          - os: ubuntu-latest
+            python_version: "3.10"
+            cc: clang
+          - os: ubuntu-latest
+            python_version: "3.14"
+            cc: clang
+
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -34,7 +50,6 @@ jobs:
         uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python_version }}
-          architecture: x64
 
       # Install LLVM 18 on Windows
       - name: Install LLVM 18 on Windows
@@ -52,18 +67,6 @@ jobs:
         run: |
           dir "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build" /b
 
-          set "PATH=C:\\Program Files\\LLVM\\bin;%PATH%"
-          set "AR=llvm-ar"
-          set "AS=llvm-as"
-          set "CC=clang"
-          set "RANLIB=echo"
-          call "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" amd64
-          clang --version
-          python -m build --wheel
-        shell: cmd
-      - name: Build wheel (Windows)
-        if: startsWith(matrix.os, 'windows')
-        run: |
           set "PATH=C:\Program Files\LLVM\bin;%PATH%"
           set "AR=llvm-ar"
           set "AS=llvm-as"
@@ -76,42 +79,22 @@ jobs:
 
       - name: Build wheel (Mac)
         if: startsWith(matrix.os, 'macos')
-        run: |
-          python -m build --wheel
-
-      - name: Build wheel (Linux / clang)
-        if: startsWith(matrix.os, 'ubuntu') && matrix.python_version == '3.6'
         run: |
           clang --version
-          CC=clang python -m build --wheel
+          python -m build --wheel
 
-      - name: Build wheel (Linux / gcc-9)
-        if: startsWith(matrix.os, 'ubuntu') && (matrix.python_version == '3.7' || matrix.python_version == '3.8')
+      - name: Build wheel (Linux / gcc)
+        if: startsWith(matrix.os, 'ubuntu') && matrix.cc == ''
         run: |
-          sudo apt update
-          sudo apt install gcc-9
-          gcc-9 --version
-          CC=gcc-9 python -m build --wheel
+          gcc --version
+          python -m build --wheel
 
-      - name: Build wheel (Linux / gcc-10)
-        if: startsWith(matrix.os, 'ubuntu') && matrix.python_version == '3.9'
-        run: |
-          sudo apt update
-          sudo apt install gcc-10
-          gcc-10 --version
-          CC=gcc-10 python -m build --wheel
-      - name: Build wheel (Linux / clang-13)
-        if: startsWith(matrix.os, 'ubuntu') && matrix.python_version == '3.10'
+      - name: Build wheel (Linux / clang)
+        if: startsWith(matrix.os, 'ubuntu') && matrix.cc == 'clang'
         run: |
           clang --version
           CC=clang python -m build --wheel
 
-      - name: Build wheel (Linux / gcc)
-        if: startsWith(matrix.os, 'ubuntu') && (matrix.python_version == '3.11' || matrix.python_version == '3.12')
-        run: |
-          gcc --version
-          CC=gcc python -m build --wheel
-
       # TODO: install mypy from requirements if reenabled
       - name: Run mypy
         shell: bash

.gitignore

@@ -6,7 +6,7 @@ blis/cy.c
 blis/py.c
 .eggs
 .env/
-env3.6
+env/
 .hypothesis/
 build/
 cache/

README.md

@@ -55,8 +55,8 @@ architectures. For example, here's how to build support for the ARM architecture
 ```bash
 git clone https://github.com/explosion/cython-blis && cd cython-blis
 git pull && git submodule init && git submodule update && git submodule status
-python3 -m venv env3.6
-source env3.6/bin/activate
+python3 -m venv env
+source env/bin/activate
 pip install -r requirements.txt
 ./bin/generate-make-jsonl linux cortexa57
 BLIS_ARCH="cortexa57" python setup.py build_ext --inplace
@@ -130,8 +130,8 @@ build the jsonl files for the generic arch:
     git clone https://github.com/explosion/cython-blis && cd cython-blis
     git pull && git submodule init && git submodule update && git submodule
     status
-    /opt/python/cp36-cp36m/bin/python -m venv env3.6
-    source env3.6/bin/activate
+    /opt/python/cp36-cp36m/bin/python -m venv env
+    source env/bin/activate
     pip install -r requirements.txt
     ./bin/generate-make-jsonl linux generic --export
     BLIS_ARCH=generic python setup.py build_ext --inplace

azure-pipelines.yml

@@ -10,15 +10,15 @@ jobs:
   condition: true
   strategy:
     matrix:
-      Python39Mac:
+      Python310Mac:
         imageName: 'macos-latest'
-        python.version: '3.9'
-      Python39Windows:
+        python.version: '3.10'
+      Python310Windows:
         imageName: 'windows-latest'
-        python.version: '3.9'
-      Python39Linux:
+        python.version: '3.10'
+      Python310Linux:
         imageName: 'ubuntu-22.04'
-        python.version: '3.9'
+        python.version: '3.10'
 
     maxParallel: 4
   pool:
@@ -80,15 +80,15 @@ jobs:
   condition: true
   strategy:
     matrix:
-      Python39Mac:
+      Python310Mac:
         imageName: 'macos-latest'
-        python.version: '3.9'
-      Python39Windows:
+        python.version: '3.10'
+      Python310Windows:
         imageName: 'windows-latest'
-        python.version: '3.9'
-      Python39Linux:
+        python.version: '3.10'
+      Python310Linux:
         imageName: 'ubuntu-22.04'
-        python.version: '3.9'
+        python.version: '3.10'
     maxParallel: 4
   pool:
     vmImage: $(imageName)

build-constraints.txt

@@ -1,6 +1,2 @@
 # build version constraints for use with wheelwright + multibuild
-numpy==1.15.0; python_version<='3.7' and platform_machine!='aarch64'
-numpy==1.19.2; python_version<='3.7' and platform_machine=='aarch64'
-numpy==1.17.3; python_version=='3.8' and platform_machine!='aarch64'
-numpy==1.19.2; python_version=='3.8' and platform_machine=='aarch64'
-numpy>=2.0.0,<3.0.0; python_version>='3.9'
+numpy>=2.0.0,<3.0.0

requirements.txt

@@ -1,6 +1,5 @@
 # Test requirements
-numpy>=1.15.0; python_version < "3.9"
-numpy>=1.19.0; python_version >= "3.9"
+numpy>=1.21.2
 pytest
 cython>=3.0,<4.0
 hypothesis>=4.0.0,<7.0.0

setup.py

@@ -306,8 +306,7 @@ def chdir(new_dir):
         "numpy>=2.0.0,<3.0.0",
     ],
     install_requires=[
-        "numpy>=1.15.0,<3.0.0; python_version < '3.9'",
-        "numpy>=1.19.0,<3.0.0; python_version >= '3.9'",
+        "numpy>=1.21.2,<3.0.0",
     ],
     ext_modules=cythonize(
         [
@@ -324,7 +323,7 @@ def chdir(new_dir):
         ],
         language_level=3,
     ),
-    python_requires=">=3.9,<3.15",
+    python_requires=">=3.10,<3.15",
     cmdclass={"build_ext": ExtensionBuilder},
     package_data={"": ["*.json", "*.jsonl", "*.pyx", "*.pxd"]},
     name="blis",