Use cibuildwheel to build wheels.

This will enable the building of macOS ARM64 compatible wheels, fixing ultrajson#456 (and
also lets us delete lots of code!!!).

.github/workflows/deploy-wheels-linux.yml

@@ -7,45 +7,32 @@ on:
   release:
     types:
       - published
+  pull_request:
+    paths:
+      - ".github/workflows/deploy-wheels-linux.yml"
 
 jobs:
   build:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        wheel: [
-            "manylinux2014_aarch64",
-            "manylinux2014_i686",
-            "manylinux2014_x86_64",
-            "musllinux_1_1_x86_64",
-        ]
-        python-version: ["pypy3", "3.6", "3.7", "3.8", "3.9", "3.10-dev"]
-        include:
-          # Add version-tag variable to existing jobs
-          - { python-version: "pypy3", version-tag: "pp37-pypy37_pp73" }
-          - { python-version: "3.6", version-tag: "cp36-cp36m" }
-          - { python-version: "3.7", version-tag: "cp37-cp37m" }
-          - { python-version: "3.8", version-tag: "cp38-cp38" }
-          - { python-version: "3.9", version-tag: "cp39-cp39" }
-          - { python-version: "3.10-dev", version-tag: "cp310-cp310" }
-        exclude:
-          # No PyPy3 on musllinux
-          - { python-version: "pypy3", wheel: "musllinux_1_1_x86_64" }
+        architecture: ["aarch64"]
+        python-version:
+          - pp37
+          - pp38
+          - cp36
+          - cp37
+          - cp38
+          - cp39
+          - cp310
 
     steps:
     - uses: actions/checkout@v2
-    - run: |
-        git fetch --prune --unshallow
+    - uses: actions/setup-python@v2
 
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
-      with:
-        python-version: ${{ matrix.python-version }}
-
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade -q pip pytest wheel setuptools twine
+    - name: Install cibuildwheel
+      run: python -m pip install cibuildwheel==2.3.0
 
     # https://github.com/docker/setup-qemu-action
     - name: Set up QEMU
@@ -55,9 +42,18 @@ jobs:
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v1
 
-    - name: Build ${{ matrix.wheel }} wheels
-      run: |
-        docker run -v `pwd`:/io quay.io/pypa/${{ matrix.wheel }} /io/scripts/build-manylinux-wheels.sh ${{ matrix.version-tag }}
+    - name: Build wheels
+      run: python -m cibuildwheel --output-dir dist
+      # Options are supplied via environment variables:
+      env:
+        # Build only the currently selected Linux architecture (so we can
+        # parallelise for speed).
+        CIBW_ARCHS_LINUX: "${{ matrix.architecture }}"
+        # Likewise, select only one Python version per job to speed this up.
+        CIBW_BUILD: "${{ matrix.python-version }}-*"
+        # Run the test suite after each build.
+        CIBW_TEST_REQUIRES: "pytest"
+        CIBW_TEST_COMMAND: pytest {package}/tests
 
     - name: Upload as build artifacts
       uses: actions/upload-artifact@v2

.github/workflows/deploy-wheels-windows-macos.yml

@@ -7,37 +7,38 @@ on:
   release:
     types:
       - published
+  pull_request:
+    paths:
+      - ".github/workflows/deploy-wheels-windows-macos.yml"
 
 jobs:
   build:
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        os: [windows-latest, macOS-latest]
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10-dev"]
+        os: [windows-latest, macOS-latest, ubuntu-latest]
 
     steps:
     - uses: actions/checkout@v2
-    - run: |
-        git fetch --prune --unshallow
+    - uses: actions/setup-python@v2
 
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
-      with:
-        python-version: ${{ matrix.python-version }}
-
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade -q pip pytest wheel setuptools twine
+    - name: Install cibuildwheel
+      run: python -m pip install cibuildwheel==2.3.0
 
-    - name: Test with pytest
-      run: |
-        python -m pip install .
-        pytest
-
-    - name: Build wheel
-      run: python setup.py -q bdist_wheel
+    - name: Build wheels
+      run: python -m cibuildwheel --output-dir dist
+      # Options are supplied via environment variables:
+      env:
+        # Build separate wheels for macOS's different architectures.
+        CIBW_ARCHS_MACOS: "x86_64 arm64"
+        # Build only on Linux architectures that don't need qemu emulation.
+        CIBW_ARCHS_LINUX: "x86_64 i686"
+        # Don't build with prerelease Python versions.
+        CIBW_PROJECT_REQUIRES_PYTHON: ">=3.6,<3.11"
+        # Run the test suite after each build.
+        CIBW_TEST_REQUIRES: "pytest"
+        CIBW_TEST_COMMAND: pytest {package}/tests
 
     - name: Upload as build artifacts
       uses: actions/upload-artifact@v2