Try and fix publishing packages from CI

.github/workflows/build.yml

@@ -24,8 +24,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-20.04, macos-12, windows-2022 ]
-        python-version: [ 3.8, 3.9, "3.10", "3.11" ]
+        os: [ ubuntu-24.04, macos-12, windows-2022 ]
+        python-version: [ 3.9, "3.10", "3.11", "3.12" ]
 
     env:
       PYTHON_VERSION: ${{ matrix.python-version }}
@@ -40,16 +40,7 @@ jobs:
       - name: Install
         # scipy and numpy versions are chosen to match cvxpy
         run: |
-          if [[ "$PYTHON_VERSION" == "3.8" ]]; then
-            conda install scipy=1.5 numpy=1.17 mkl scs pytest pip
-          elif [[ "$PYTHON_VERSION" == "3.9" ]]; then
-            conda install scipy=1.5 numpy=1.19 mkl scs pytest pip
-          elif [[ "$PYTHON_VERSION" == "3.10" ]]; then
-            conda install scipy=1.7 numpy=1.21 mkl scs pytest pip
-          elif [[ "$PYTHON_VERSION" == "3.11" ]]; then
-            conda install scipy=1.9.3 numpy=1.23.4 mkl scs pytest pip
-          fi
-          pip install cvxpy
+          pip install cvxpy pytest
           python -m pip install .
 
       - name: Test
@@ -64,65 +55,23 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-20.04, macos-12, windows-2022 ]
-        python-version: [ 3.8, 3.9, "3.10", "3.11" ]
-        include:
-          - os: ubuntu-20.04
-            python-version: 3.8
-            single_action_config: "True"
-          - os: macos-12
-            python-version: 3.8
-          - os: windows-2019
-            python-version: 3.8
-
-    env:
-      RUNNER_OS: ${{ matrix.os }}
-      PYTHON_VERSION: ${{ matrix.python-version }}
-      SINGLE_ACTION_CONFIG: "${{ matrix.single_action_config == 'True' }}"
-      PYPI_SERVER: ${{ secrets.PYPI_SERVER }}
-      PYPI_USER: ${{ secrets.PYPI_USER }}
-      PYPI_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+        os: [ ubuntu-24.04, macos-12, windows-2022 ]
+        python-version: [ 3.9, "3.10", "3.11", "3.12" ]
 
     steps:
 
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Set Additional Envs
-        shell: bash
-        run: |
-          echo "PYTHON_SUBVERSION=$(echo $PYTHON_VERSION | cut -c 3-)" >> $GITHUB_ENV
-          echo "DEPLOY_PYPI_SOURCE=$( [[ $PYTHON_VERSION == 3.8 && $RUNNER_OS == 'macOS' ]] && echo 'True' || echo 'False' )" >> $GITHUB_ENV
-          echo "DEPLOY=$( [[ $GITHUB_EVENT_NAME == 'push' && $GITHUB_REF == 'refs/tags'* ]] && echo 'True' || echo 'False' )" >> $GITHUB_ENV
-
-      - name: Build wheels
-        env:
-          CIBW_BUILD: "cp3${{env.PYTHON_SUBVERSION}}-*"
-          CIBW_SKIP: "*-win32 *-manylinux_i686 *-musllinux*"
-          CIBW_ARCHS_MACOS: x86_64 universal2
-          CIBW_ARCHS_LINUX: auto aarch64
-        uses: pypa/[email protected]
-
-      - name: Build source
-        if: ${{env.DEPLOY_PYPI_SOURCE == 'True'}}
-        run: |
-          python setup.py sdist --dist-dir=wheelhouse
-
-      - name: Check wheels
-        shell: bash
-        run: |
-          python -m pip install --upgrade twine
-          twine check wheelhouse/*
-
-      - name: Release to pypi
-        if: ${{env.DEPLOY == 'True'}}
-        shell: bash
+      - uses: actions/checkout@v4
+      - name: build
+        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags') 
         run: |
-          twine upload --skip-existing --repository-url $PYPI_SERVER wheelhouse/* -u $PYPI_USER -p $PYPI_PASSWORD
+          pip install --upgrade build
+          python -m build
 
-      - name: Upload artifacts to github
-        uses: actions/upload-artifact@v3
+      - name: publish
+        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
+        uses: pypa/gh-action-pypi-publish@release/v1
         with:
-          name: wheels
-          path: ./wheelhouse
+          password: ${{ secrets.PYPI_API_TOKEN }}