Adds workflow to build wheels

.github/workflows/build_wheels.yml

@@ -0,0 +1,130 @@
+name: Build UETOOLS wheels files and upload artifacts
+
+
+on: [push, pull_request]
+
+jobs:
+  build_wheels:
+    name: Build wheels on ${{ matrix.os }} for Python ${{ matrix.pyver }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-13, macos-14] 
+        pyver: [cp37, cp38, cp39, cp310, cp311, cp312]
+
+    steps:
+      - name: Checks out repo
+        uses: actions/checkout@v4
+
+      - name: Build wheels
+        if: ${{ !(matrix.os == 'macos-14' && matrix.pyver == 'cp37') }}
+        uses: pypa/[email protected]
+        env:
+            CIBW_BUILD: ${{matrix.pyver}}-*
+            CIBW_ARCHS_LINUX: auto
+#            CIBW_BEFORE_BUILD: pip install numpy 
+
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: cibw-wheels-${{ matrix.os }}-${{ matrix.pyver }}-${{ strategy.job-index }}
+          path: ./wheelhouse/*.whl
+
+  build_wheels_pypy:
+    name: Build PyPy wheels on ${{ matrix.os }} 
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-13, macos-14] 
+
+    steps:
+      - name: Checks out repo
+        uses: actions/checkout@v4
+
+
+      - name: Build wheels
+        uses: pypa/[email protected]
+        env:
+            CIBW_BUILD: pp*
+#            CIBW_BEFORE_BUILD: pip install numpy 
+
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: cibw-wheels-pyp-${{ matrix.os }}-${{ strategy.job-index }}
+          path: ./wheelhouse/*.whl
+
+
+  build_wheels_cross:
+    name: Build Linux cross-wheels
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        pyver: [cp37, cp38, cp39, cp310, cp311, cp312]
+        arch: [aarch64, ppc64le]
+
+    steps:
+      - name: Checks out repo
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU for multi-arch build
+        uses: docker/setup-qemu-action@v2
+
+      - name: Build wheels
+        uses: pypa/[email protected]
+        env:
+            CIBW_BUILD: ${{matrix.pyver}}-*
+            CIBW_ARCHS: ${{matrix.arch}}
+#            CIBW_BEFORE_BUILD: pip install numpy 
+
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: cibw-cross-wheels-${{ matrix.arch }}-${{ matrix.pyver }}-${{ strategy.job-index }}
+          path: ./wheelhouse/*.whl
+
+  build_wheels_cross_pypy:
+    name: Build Linux PyPy cross-wheels
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+
+    steps:
+      - name: Checks out repo
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU for multi-arch build
+        uses: docker/setup-qemu-action@v2
+
+      - name: Build wheels
+        uses: pypa/[email protected]
+        env:
+            CIBW_BUILD: pp*
+#            CIBW_BEFORE_BUILD: pip install numpy 
+
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: cibw-cross-wheels-pypy-${{ strategy.job-index }}
+          path: ./wheelhouse/*.whl
+
+
+  gather_wheels:
+    needs: [build_wheels, build_wheels_pypy, build_wheels_cross, build_wheels_cross_pypy]
+    name: Gather built wheels
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download all Artifacts and merges them
+        uses: actions/download-artifact@v4
+        with: 
+          path: wheels
+          merge-multiple: true
+
+      - name: Upload all Artifacts in a single Archive
+        uses: actions/upload-artifact@v4
+        with:
+          name: all_wheels
+          path: wheels