Build linux-aarch64 packages on GitHub arm runners instead of using e…

…mulation

.github/workflows/publish.yml

@@ -67,12 +67,8 @@ jobs:
 
   build-linux:
     needs: [get_python_versions]
-    name: Build ${{ matrix.arch }} 🎡 and source 📦 on Linux
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        arch: [ auto64, aarch64 ]
+    name: Build x86_64 🎡 and source 📦 on Linux
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
         with:
@@ -85,12 +81,7 @@ jobs:
       - name: Build source tarball
         run: |
           python -m pip install --upgrade pip build
-          python -m build --sdist --config-setting=--formats=gztar --config-setting=--with-cython --config-setting=--fail-on-error
-        if: ${{ matrix.arch == 'auto64' }}
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-        with:
-          platforms: all
+          python -m build --sdist --config-setting=--formats=gztar --config-setting=--with-cython --config-setting=--fail-on-error      
       - name: Install platformdirs
         run: python -m pip install platformdirs
       - name: Display cibuildwheel cache dir
@@ -111,8 +102,52 @@ jobs:
         uses: pypa/[email protected]
         env:
           CIBW_PROJECT_REQUIRES_PYTHON: ">=${{ needs.get_python_versions.outputs.min-python }}"
-          CIBW_ARCHS_LINUX: ${{ matrix.arch }}
+          CIBW_ARCHS_LINUX: auto64
           CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
+          CIBW_TEST_COMMAND: python {project}/dev/continuous-integration/run_simple_test.py
+          CIBW_TEST_REQUIRES: pytest
+        with:
+          output-dir: dist
+      - name: store distribution 📦
+        uses: actions/upload-artifact@v4
+        with:
+          name: packages-linux-auto64
+          path: dist
+
+  build-linux-arm:
+    needs: [get_python_versions]
+    name: Build aarch64 🎡 on Linux
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+      - name: Set up Python 3.x
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'      
+      - name: Install platformdirs
+        run: python -m pip install platformdirs
+      - name: Display cibuildwheel cache dir
+        id: cibuildwheel-cache
+        run: |
+          from platformdirs import user_cache_path
+          import os
+  
+          with open(os.getenv('GITHUB_OUTPUT'), 'w') as f:
+            f.write(f"dir={str(user_cache_path(appname='cibuildwheel', appauthor='pypa'))}")
+        shell: python
+      - name: Cache cibuildwheel tools
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.cibuildwheel-cache.outputs.dir }}
+          key: ${{ runner.os }}-${{ matrix.arch }}-cibuildwheel
+      - name: Build wheels
+        uses: pypa/[email protected]
+        env:
+          CIBW_PROJECT_REQUIRES_PYTHON: ">=${{ needs.get_python_versions.outputs.min-python }}"
+          CIBW_ARCHS_LINUX: aarch64
           CIBW_SKIP: 'pp* *-musllinux_aarch64'
           CIBW_TEST_COMMAND: python {project}/dev/continuous-integration/run_simple_test.py
           CIBW_TEST_REQUIRES: pytest
@@ -121,7 +156,7 @@ jobs:
       - name: store distribution 📦
         uses: actions/upload-artifact@v4
         with:
-          name: packages-linux-${{ matrix.arch }}
+          name: packages-linux-aarch64
           path: dist
 
   deploy_dev: