Build and keep wheels in Github Actions. (GH-4267)

.github/workflows/ci.yml

@@ -141,6 +141,7 @@ jobs:
 
           # MacOS sub-jobs
           # ==============
+          # (C-only builds are used to create wheels)
           - os: macos-10.15
             python-version: 2.7
             backend: c
@@ -149,6 +150,22 @@ jobs:
             python-version: 2.7
             backend: cpp
             env: { MACOSX_DEPLOYMENT_TARGET: 10.14 }
+          - os: macos-10.15
+            python-version: 3.5
+            backend: c
+            env: { MACOSX_DEPLOYMENT_TARGET: 10.14 }
+          - os: macos-10.15
+            python-version: 3.6
+            backend: c
+            env: { MACOSX_DEPLOYMENT_TARGET: 10.14 }
+          - os: macos-10.15
+            python-version: 3.7
+            backend: c
+            env: { MACOSX_DEPLOYMENT_TARGET: 10.14 }
+          - os: macos-10.15
+            python-version: 3.8
+            backend: c
+            env: { MACOSX_DEPLOYMENT_TARGET: 10.14 }
           - os: macos-10.15
             python-version: 3.9
             backend: c
@@ -204,6 +221,13 @@ jobs:
           path: docs/build/html
           if-no-files-found: ignore
 
+      - name: Upload wheels
+        uses: actions/upload-artifact@v2
+        with:
+          name: wheels-${{ runner.os }}
+          path: dist/*.whl
+          if-no-files-found: ignore
+
 
   pycoverage:
     runs-on: ubuntu-18.04

.github/workflows/wheel-manylinux.yml

+name: Linux wheel build
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.8
+
+    - name: Build manylinux1 x86 Python wheels
+      uses: RalfG/python-wheels-manylinux-build@v0.3.4-manylinux1_i686
+      with:
+        python-versions: 'cp27-cp27m cp27-cp27mu cp35-cp35m cp36-cp36m cp37-cp37m cp38-cp38m cp39-cp39m'
+
+    - name: Build manylinux1 AMD64 Python wheels
+      uses: RalfG/python-wheels-manylinux-build@v0.3.4-manylinux1_x86_64
+      with:
+        python-versions: 'cp27-cp27m cp27-cp27mu cp35-cp35m cp36-cp36m cp37-cp37m cp38-cp38m cp39-cp39m'
+
+    - name: Build manylinux2014 x86 Python wheels
+      uses: RalfG/python-wheels-manylinux-build@v0.3.4-manylinux2014_i686
+      with:
+        python-versions: 'cp35-cp35m cp36-cp36m cp37-cp37m cp38-cp38m cp39-cp39m'
+
+    - name: Build manylinux2014 AMD64 Python wheels
+      uses: RalfG/python-wheels-manylinux-build@v0.3.4-manylinux2014_x86_64
+      with:
+        python-versions: 'cp35-cp35m cp36-cp36m cp37-cp37m cp38-cp38m cp39-cp39m'
+
+    - name: Upload wheels
+      uses: actions/upload-artifact@v2
+      with:
+        name: wheels
+        path: dist/*-manylinux*.whl
+        if-no-files-found: ignore

Tools/ci-run.sh

@@ -53,8 +53,10 @@ echo "===================="
 # Install python requirements
 echo "Installing requirements [python]"
 if [ -z "${PYTHON_VERSION##2.7}" ]; then
+  pip install wheel || exit 1
   pip install -r test-requirements-27.txt || exit 1
 elif [ -z "${PYTHON_VERSION##3.[45]*}" ]; then
+  python -m pip install wheel || exit 1
   python -m pip install -r test-requirements-34.txt || exit 1
 else
   python -m pip install -U pip setuptools wheel || exit 1
@@ -97,6 +99,9 @@ if [ "$NO_CYTHON_COMPILE" != "1" -a -n "${PYTHON_VERSION##pypy*}" ]; then
           $(if [ "$COVERAGE" == "1" ]; then echo " --cython-coverage"; fi) \
           $(python -c 'import sys; print("-j5" if sys.version_info >= (3,5) else "")') \
       || exit 1
+  if [ -z "$COVERAGE" -a -z "$STACKLESS" -a -z "$LIMITED_API" -a -z "$EXTRA_CFLAGS" -a -n "${BACKEND//*cpp*}" ]; then
+    python setup.py bdist_wheel || exit 1
+  fi
 fi
 
 if [ "$TEST_CODE_STYLE" == "1" ]; then