Build wheels with cibuildwheel (#31)

* Run cibuildwheel in the build environments

* Refactor build environment setup into its own action

* Name custom action correctly

* Specify a shell for each command

* Move cibuildwheel into its own workflow

* Run pytest after building wheels

* Don't build wheels when testing.

* Rename the test CI workflow

.github/actions/setup-build-env/action.yml

@@ -0,0 +1,24 @@
+name: Setup build environment
+description: "Install ninja and a fortran compiler"
+
+# It's assumed that `actions/setup-python` is run before this one.
+
+runs:
+  using: "composite"
+  steps:
+    - uses: awvwgk/setup-fortran@v1
+
+    - run: pip install --upgrade pip
+      shell: bash
+
+    - if: runner.os == 'Linux'
+      run: sudo apt-get install -y ninja-build
+      shell: bash
+
+    - if: runner.os == 'macOS'
+      run: brew install ninja
+      shell: bash
+
+    - if: runner.os == 'Windows'
+      run: choco install ninja
+      shell: bash

.github/workflows/publish.yml

@@ -1,4 +1,4 @@
-name: Wheels
+name: Publish
 
 on:
   workflow_dispatch:
@@ -7,40 +7,40 @@ on:
       - published
 
 jobs:
-    make_sdist:
-        name: Make SDist
-        runs-on: ubuntu-latest
-        steps:
-          - uses: actions/checkout@v3
-            with:
-              fetch-depth: 0 # Optional, use if you use setuptools_scm
-              submodules: true # Optional, use if you have submodules
-
-          - name: Build SDist
-            run: pipx run build --sdist
-
-          - uses: actions/upload-artifact@v3
-            with:
-              path: dist/*.tar.gz
+  make_sdist:
+    name: Make SDist
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: pipx run build --sdist
+      - uses: actions/upload-artifact@v3
+        with:
+          path: dist/*.tar.gz
 
-    build_wheels:
-        name: Wheel on ${{ matrix.os }}
-        runs-on: ${{ matrix.os }}
-        strategy:
-            fail-fast: false
-            matrix:
-              os: [ubuntu-latest, windows-latest, macos-latest]
-
-        steps:
-          - uses: actions/checkout@v3
-            with:
-                fetch-depth: 0
-                submodules: true
-
-          - uses: pypa/cibuildwheel@v2.15
-
-          - name: Upload wheels
-            uses: actions/upload-artifact@v3
-            with:
-                path: wheelhouse/*.whl
-
+  build_wheels:
+    name: Build wheel (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        # Excluding windows because it doesn't work.  I think that static 
+        # linking might not be compatible with cibuildwheel, and `delvewheel` 
+        # might be a better approach.
+        os: [ubuntu-latest, macos-latest]
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: 3.x
+      - uses: ./.github/actions/setup-build-env
+      - uses: pypa/cibuildwheel@v2.15
+        env:
+          CIBW_TEST_REQUIRES: pytest
+          CIBW_TEST_COMMAND: pytest {package}
+          CIBW_SKIP: cp312-*  # skip 3.12 until `pip install numpy` works
+
+      - uses: actions/upload-artifact@v3
+        with:
+            path: wheelhouse/*.whl
+

.github/workflows/ci.yml → .github/workflows/test.yml

@@ -25,26 +25,7 @@ jobs:
     - uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
-    - uses: awvwgk/setup-fortran@v1
-
-    - name: Install build dependencies
-      run: |
-        pip install --upgrade pip
-
-    - name: Install build dependencies (Linux)
-      if: startsWith(matrix.os, 'ubuntu')
-      run: |
-        sudo apt-get install -y ninja-build
-
-    - name: Install build dependencies (Mac OS)
-      if: startsWith(matrix.os, 'macos')
-      run: |
-        brew install ninja
-
-    - name: Install build dependencies (Windows)
-      if: startsWith(matrix.os, 'windows')
-      run: |
-        choco install ninja
+    - uses: ./.github/actions/setup-build-env
 
     - name: Install py3nj
       run: |