ENH: Meson pybind11 build

.github/workflows/build-wheels.yml

@@ -1,70 +1,67 @@
-name: Wheels
+name: Build wheels
 
 on: [push, pull_request]
 
 jobs:
   build_wheels:
-    name: Build wheels on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
+    name: Build wheel for ${{ matrix.python }}-${{ matrix.buildplat[1] }}
+    runs-on: ${{ matrix.buildplat[0] }}
+    environment: pypi
     strategy:
+      # Ensure that a wheel builder finishes even if another fails
+      fail-fast: false
       matrix:
-        os: [macOS-12] #  windows-2019 ubuntu-20.04,
+        # From NumPy
+        # Github Actions doesn't support pairing matrix values together, let's improvise
+        # https://github.com/github/feedback/discussions/7835#discussioncomment-1769026
+        buildplat:
+          - [ubuntu-20.04, manylinux_x86_64]
+          - [ubuntu-20.04, musllinux_x86_64] # No OpenBlas, no test
+          - [macos-12, macosx_x86_64]
+          - [macos-12, macosx_arm64]
+          - [windows-2019, win_amd64]
+        python: ["cp38", "cp39","cp310", "cp311"]
 
     steps:
       - uses: actions/checkout@v3
+      - name: Build wheels
+        uses: pypa/cibuildwheel@v2.12.3
+        env:
+          CIBW_BUILD: ${{ matrix.python }}-${{ matrix.buildplat[1] }}
+      - uses: actions/upload-artifact@v3
+        with:
+          path: ./wheelhouse/*.whl
 
-      # Used to host cibuildwheel
-      - uses: actions/setup-python@v2
-
-      - name: Install cibuildwheel
-        run: python -m pip install cibuildwheel==2.7.0
-
-      - name: Install pyomo pybind
-        run: python -m pip install pybind11 pyomo
-
-      - name: Create Build Environment
-        run: cmake -E make_directory ${{runner.workspace}}/build
-
-      - name: Create install dir
-        run: cmake -E make_directory ${{runner.workspace}}/installs/
-
-      - name: Configure CMake
-        shell: bash
-        working-directory: ${{runner.workspace}}/build
-        run: cmake $GITHUB_WORKSPACE -DBUILD_SHARED_LIBS=ON -DCMAKE_INSTALL_PREFIX=${{runner.workspace}}/installs/highs -DFAST_BUILD=ON
-
-      - name: Build
-        working-directory: ${{runner.workspace}}/build
-        shell: bash
-        # Execute the build.  You can specify a specific target with "--target <NAME>"
-        run: |
-          cmake --build . --parallel 
-          cmake --install .
-
-      - name: Test
-        working-directory: ${{runner.workspace}}/build
-        shell: bash
-        # Execute tests defined by the CMake configuration.
-        # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
-        run: ctest --parallel 2 --timeout 300 --output-on-failure
+  build_sdist:
+    name: Build source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
 
-      - name: Build wheels
-        run: |
-          cd  $GITHUB_WORKSPACE
-          export REPAIR_LIBRARY_PATH=${{runner.workspace}}/installs/highs/lib
-          export LD_LIBRARY_PATH=$REPAIR_LIBRARY_PATH
-          export DYLD_LIBRARY_PATH=$REPAIR_LIBRARY_PATH
-          ls $REPAIR_LIBRARY_PATH
-          python -m cibuildwheel --output-dir wheelhouse
+      - name: Build sdist
+        shell: bash -l {0}
+        run: pipx run build --sdist
 
-        # to supply options, put them in 'env', like:
+      - uses: actions/upload-artifact@v3
+        with:
+          path: dist/*.tar.gz
 
-        env:
-          CIBW_ENVIRONMENT: REPAIR_LIBRARY_PATH=${{runner.workspace}}/installs/highs/lib LD_LIBRARY_PATH=$REPAIR_LIBRARY_PATH DYLD_LIBRARY_PATH=$REPAIR_LIBRARY_PATH
-          CIBW_REPAIR_WHEEL_COMMAND_MACOS: >
-            DYLD_LIBRARY_PATH=$REPAIR_LIBRARY_PATH delocate-listdeps {wheel} &&
-            DYLD_LIBRARY_PATH=$REPAIR_LIBRARY_PATH delocate-wheel --require-archs {delocate_archs} -w {dest_dir} {wheel}
+  upload_pypi:
+    needs: [build_wheels, build_sdist]
+    runs-on: ubuntu-latest
+    # upload to PyPI on every tag starting with 'v'
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+    # alternatively, to publish when a GitHub Release is created, use the following rule:
+    # if: github.event_name == 'release' && github.event.action == 'published'
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          # unpacks default artifact into dist/
+          # if `name: artifact` is omitted, the action will create extra parent dir
+          name: artifact
+          path: dist
 
-      - uses: actions/upload-artifact@v2
+      - uses: pypa/gh-action-pypi-publish@release/v1
         with:
-          path: ./wheelhouse/*.whl
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}

.github/workflows/test-python-api.yml

@@ -0,0 +1,25 @@
+name: test-python-api
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest]
+        python: [3.9]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install correct python version
+        uses: actions/setup-python@v3
+        with:
+          python-version: ${{ matrix.python }}
+      - name: Test Python Interface
+        shell: bash
+        run: |
+          # No need to separately install highs,
+          # shared library lookups are good enough
+          pip install -vvv .
+          pip install pytest numpy
+          pytest -v ./highspy/tests/

.gitignore

@@ -1,4 +1,9 @@
-#################
+### Meson ###
+# subproject directories
+/subprojects/*
+!/subprojects/*.wrap
+
+# #################
 ## Eclipse
 #################
 

examples/call_highs_from_python.py

@@ -160,7 +160,7 @@
 options.presolve = 'off'
 options.solver = 'ipm'
 h1.passOptions(options)
-h1.writeOptions("", True)
+h1.writeOptions("")
 h1.run()
 solution = h1.getSolution()
 basis = h1.getBasis()