piwheels-arm32-verification.yml

name: ARM32 Support Verification (piwheels)

on:
  release:
    types: [published]
  workflow_dispatch:
    inputs:
      version:
        description: 'Version to check (e.g., 2.0.3)'
        required: false
        default: 'latest'
  schedule:
    - cron: '0 3 * * *'  # Daily at 3 AM UTC

jobs:
  verify-piwheels:
    name: Verify ARM32 on piwheels
    runs-on: ubuntu-latest
    permissions:
      contents: write # Required to push to development

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          ref: development  # Target development branch directly
          fetch-depth: 0

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Wait for piwheels (if triggered by release)
        if: github.event_name == 'release'
        run: |
          echo "⏳ Waiting 24 hours for piwheels to build ARM32 wheels..."
          sleep 86400

      - name: Get latest version
        id: version
        run: |
          if [ "${{ github.event_name }}" == "workflow_dispatch" ] && [ "${{ github.event.inputs.version }}" != "latest" ]; then
            VERSION="${{ github.event.inputs.version }}"
          elif [ "${{ github.event_name }}" == "release" ]; then
            VERSION="${{ github.event.release.tag_name }}"
            VERSION="${VERSION#v}"
          else
            VERSION=$(curl -s https://pypi.org/pypi/omnipkg/json | python3 -c "import sys, json; print(json.load(sys.stdin)['info']['version'])")
          fi
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Checking version: $VERSION"

      - name: Scrape piwheels simple index
        id: scrape
        run: |
          VERSION="${{ steps.version.outputs.version }}"
          SIMPLE_HTML=$(curl -s "https://www.piwheels.org/simple/omnipkg/")
          if [ -z "$SIMPLE_HTML" ]; then
            echo "builds_found=false" >> $GITHUB_OUTPUT
            exit 0
          fi

          WHEELS=$(echo "$SIMPLE_HTML" | grep -oP "omnipkg-${VERSION}-[^\"']+\.whl" | sort -u)
          if [ -z "$WHEELS" ]; then
            echo "builds_found=false" >> $GITHUB_OUTPUT
            exit 0
          fi
          echo "builds_found=true" >> $GITHUB_OUTPUT

          HAS_39=false; HAS_311=false; HAS_313=false
          echo "$WHEELS" | grep -q "cp39"  && HAS_39=true
          echo "$WHEELS" | grep -q "cp311" && HAS_311=true
          echo "$WHEELS" | grep -q "cp313" && HAS_313=true

          PYTHON_VERSIONS=""
          $HAS_39  && PYTHON_VERSIONS="${PYTHON_VERSIONS}3.9 (Bullseye), "
          $HAS_311 && PYTHON_VERSIONS="${PYTHON_VERSIONS}3.11 (Bookworm), "
          $HAS_313 && PYTHON_VERSIONS="${PYTHON_VERSIONS}3.13 (Trixie), "
          PYTHON_VERSIONS="${PYTHON_VERSIONS%, }"

          echo "python_versions=$PYTHON_VERSIONS" >> $GITHUB_OUTPUT
          echo "has_cp39=$HAS_39"   >> $GITHUB_OUTPUT
          echo "has_cp311=$HAS_311" >> $GITHUB_OUTPUT
          echo "has_cp313=$HAS_313" >> $GITHUB_OUTPUT

          BEST_WHEEL=""
          for ABI in cp311 cp313 cp39; do
            CANDIDATE=$(echo "$WHEELS" | grep "${ABI}-${ABI}-linux_armv7l" | head -1)
            if [ -z "$CANDIDATE" ]; then
              CANDIDATE=$(echo "$WHEELS" | grep "${ABI}-${ABI}-linux_armv6l" | head -1)
            fi
            if [ -n "$CANDIDATE" ]; then
              BEST_WHEEL="$CANDIDATE"
              break
            fi
          done
          [ -z "$BEST_WHEEL" ] && BEST_WHEEL=$(echo "$WHEELS" | head -1)

          echo "wheel_file=$BEST_WHEEL"   >> $GITHUB_OUTPUT
          echo "wheel_url=https://www.piwheels.org/simple/omnipkg/${BEST_WHEEL}"     >> $GITHUB_OUTPUT
          echo "install_command=pip3 install omnipkg==${VERSION}" >> $GITHUB_OUTPUT

      - name: Update README and Matrix
        if: steps.scrape.outputs.builds_found == 'true'
        run: |
          VERSION="${{ steps.version.outputs.version }}"
          PYTHON_VERS="${{ steps.scrape.outputs.python_versions }}"
          INSTALL_CMD="${{ steps.scrape.outputs.install_command }}"
          WHEEL_URL="${{ steps.scrape.outputs.wheel_url }}"

          cat > .github/piwheels-stats.md <<EOF
          <!-- PIWHEELS_STATS_START -->
          ## 🥧 ARM32 Support (Raspberry Pi)
          [![piwheels](https://img.shields.io/badge/piwheels-ARM32%20verified-97BF0D?logo=raspberrypi&logoColor=white)](https://www.piwheels.org/project/omnipkg/)
          **Latest Version:** \`$VERSION\` | **Python:** $PYTHON_VERS | [View on piwheels](https://www.piwheels.org/project/omnipkg/)
          \`\`\`bash
          $INSTALL_CMD
          \`\`\`
          **Verified Platforms:**
          - 🍓 Raspberry Pi (armv6/armv7) - Bullseye, Bookworm, Trixie
          - 📦 Wheel: [\`$WHEEL_URL\`]($WHEEL_URL)
          <!-- PIWHEELS_STATS_END -->
          EOF

          if grep -q "<!-- PIWHEELS_STATS_START -->" README.md; then
            perl -i -p0e 's/<!-- PIWHEELS_STATS_START -->.*?<!-- PIWHEELS_STATS_END -->//gs' README.md
            sed -i '/#### 🥧 piwheels (for Raspberry Pi)/r .github/piwheels-stats.md' README.md
          fi

          cat > .github/platform-matrix.json <<EOF
          {
            "arm32": {
              "verified": true,
              "version": "$VERSION",
              "python_versions": "$PYTHON_VERS",
              "cp39_bullseye":  ${{ steps.scrape.outputs.has_cp39 }},
              "cp311_bookworm": ${{ steps.scrape.outputs.has_cp311 }},
              "cp313_trixie":   ${{ steps.scrape.outputs.has_cp313 }},
              "install_command": "$INSTALL_CMD",
              "platforms": ["Raspberry Pi", "Raspbian Bullseye", "Raspbian Bookworm", "Raspbian Trixie"]
            }
          }
          EOF

      - name: Auto-Commit to Development
        if: steps.scrape.outputs.builds_found == 'true'
        run: |
          VERSION="${{ steps.version.outputs.version }}"
          
          # Use the same bot identity as your working Auto-merge workflow
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          
          git add README.md .github/piwheels-stats.md .github/platform-matrix.json
          
          if git diff --staged --quiet; then
            echo "No changes to commit"
            exit 0
          fi
          
          # Commit and push directly to development
          git commit -m "docs: update ARM32 piwheels stats for v$VERSION [skip ci]"
          
          # Pull with rebase to avoid conflicts if other bots are working
          git pull origin development --rebase || true
          git push origin development
          
          echo "✅ Successfully pushed stats to development. Auto-merge workflow will take it to main."

      - name: Summary
        if: steps.scrape.outputs.builds_found == 'true'
        run: |
          echo "## ARM32 Check Complete" >> $GITHUB_STEP_SUMMARY
          echo "Version: ${{ steps.version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
          echo "Status: Wheels found and pushed to development branch." >> $GITHUB_STEP_SUMMARY