Build wheels at merge time, but publish them upon release

Signed-off-by: pdmurray <[email protected]>

Author: peytondmurray

.github/workflows/pypi_release.yml

@@ -1,84 +1,26 @@
-name: Build and Release Python Bindings to PyPI
+name: Release Python Bindings to PyPI
 
 on:
   release:
     types: [published]
   workflow_dispatch:
     inputs:
-      tag:
-        type: string
-        default: ''
-        required: false
-        description: Ref to build
       test_pypi:
         type: boolean
         description: 'Test release: publish on test.pypi.org'
         default: false
 
-jobs:
-  build-sdist:
-    name: Build sdist
-    runs-on: ubuntu-latest
-    steps:
-      - name:   Checkout the repo
-        uses: actions/checkout@v3
-        with:
-          ref: ${{ github.event.inputs.tag }}
-
-      - name: 🐍 Set up Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: '3.11'
-
-      - name:   Install build dependencies
-        run: |
-          python -m pip install build
-
-      - name: 📦 Build the sdist
-        working-directory: ./openvdb/openvdb/python
-        run: |
-          python -m build --sdist
-
-      - name:   Upload artifact
-        uses: actions/upload-artifact@v3
-        with:
-          name: dist
-          path: ./openvdb/openvdb/python/dist/
-
-  build-wheels:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-    steps:
-      - name:   Checkout the repo
-        uses: actions/checkout@v3
-        with:
-          ref: ${{ github.event.inputs.tag }}
-
-
-      - name: Build wheels
-        uses: pypa/[email protected]
-        with:
-          package-dir: ./openvdb/openvdb/python
-          config-file: ./openvdb/openvdb/python/pyproject.toml
-        env:
-          CIBW_ARCHS_MACOS: auto universal2
-
-      - name:   Upload artifact
-        uses: actions/upload-artifact@v3
-        with:
-          name: dist
-          path: ./openvdb/openvdb/python/dist/
-
   publish:
     name: Publish Python packages on PyPI
     needs: [build-sdist, build-wheels]
     runs-on: ubuntu-latest
     steps:
-      - name:   Download artifacts
-        uses: actions/download-artifact@v3
+      - name:   Download artifacts from commit ${{ github.sha }}
+        uses: dawidd6/action-download-artifact@v2
         with:
+          workflow: wheels.yml
+          workflow_conclustion: success
+          commit: ${{ github.sha }}
           name: dist
           path: dist
 

.github/workflows/wheels.yml

@@ -0,0 +1,57 @@
+name: Build Python Bindings
+
+on:
+  pull_request:
+    branches:
+      - 'master'
+
+jobs:
+  build-sdist:
+    name: Build sdist
+    runs-on: ubuntu-latest
+    steps:
+      - name:   Checkout the repo
+        uses: actions/checkout@v3
+
+      - name: 🐍 Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+
+      - name:   Install build dependencies
+        run: |
+          python -m pip install build
+
+      - name: 📦 Build the sdist
+        working-directory: ./openvdb/openvdb/python
+        run: |
+          python -m build --sdist
+
+      - name:   Upload artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: dist
+          path: ./openvdb/openvdb/python/dist/
+
+  build-wheels:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    steps:
+      - name:   Checkout the repo
+        uses: actions/checkout@v3
+
+      - name: 🛞 Build wheels
+        uses: pypa/[email protected]
+        with:
+          package-dir: ./openvdb/openvdb/python
+          config-file: ./openvdb/openvdb/python/pyproject.toml
+        env:
+          CIBW_ARCHS_MACOS: auto universal2
+
+      - name:   Upload artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: dist
+          path: ./openvdb/openvdb/python/dist/