Fix site build: Altair PNG rendering, missing CSS, and CI cleanup

.github/workflows/deploy.yml

@@ -9,6 +9,8 @@ on:
 jobs:
   build-and-deploy:
     runs-on: ubuntu-latest
+    env:
+      HAS_CF_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN != '' }}
 
     steps:
       - name: Checkout code
@@ -17,94 +19,47 @@ jobs:
       - name: Setup R
         uses: r-lib/actions/setup-r@v2
         with:
-          r-version: '4.3'
+          r-version: 'release'
+          use-public-rspm: true
 
       - name: Install R packages
-        run: |
-          R -e "install.packages(c('ggplot2', 'mgcv'), repos='https://cran.rstudio.com/')"
-
-      - name: Verify R installation
-        run: |
-          echo "R_HOME=$R_HOME"
-          R --version
-          R -e "library(ggplot2); library(mgcv); cat('R packages loaded successfully\n')"
-
-      - name: Setup Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.11'
+        run: R -e "install.packages(c('ggplot2', 'mgcv'))"
 
       - name: Install uv
-        run: |
-          curl -LsSf https://astral.sh/uv/install.sh | sh
-          echo "$HOME/.cargo/bin" >> $GITHUB_PATH
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
 
       - name: Install Python dependencies
-        run: |
-          uv pip install -r requirements.txt --system
+        run: uv sync
 
       - name: Install Chrome for Kaleido
-        run: |
-          uv run kaleido_get_chrome
-
-      - name: Verify Python packages
-        run: |
-          python -c "import pandas, plotly, seaborn, plotnine, altair, rpy2; print('Python packages imported successfully')"
-
-      - name: Setup Firefox for Selenium
-        uses: browser-actions/setup-firefox@v1
-
-      - name: Install geckodriver
-        run: |
-          wget -q https://github.com/mozilla/geckodriver/releases/download/v0.34.0/geckodriver-v0.34.0-linux64.tar.gz
-          tar -xzf geckodriver-v0.34.0-linux64.tar.gz
-          sudo mv geckodriver /usr/local/bin/
-          geckodriver --version
-
-      - name: Setup Xvfb (virtual display)
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y xvfb
+        run: uv run kaleido_get_chrome
 
       - name: Run tests
-        run: |
-          xvfb-run -a python -m pytest tests/ -v
-        env:
-          R_HOME: /opt/R/4.3.3/lib/R
+        run: uv run pytest tests/ -v
+
+      - name: Execute notebook
+        run: uv run jupyter nbconvert --to notebook --execute Examples.ipynb --output Examples.build.ipynb
 
-      - name: Build site
-        run: |
-          xvfb-run -a make travis
-        env:
-          R_HOME: /opt/R/4.3.3/lib/R
+      - name: Render site
+        run: uv run python render.py Examples.build.ipynb
 
-      - name: Deploy to Netlify (Production)
-        if: github.ref == 'refs/heads/master' && github.event_name == 'push'
-        uses: nwtgck/actions-netlify@v3
+      - name: Deploy to Cloudflare Pages (Production)
+        if: github.ref == 'refs/heads/master' && github.event_name == 'push' && env.HAS_CF_TOKEN == 'true'
+        uses: cloudflare/wrangler-action@v3
         with:
-          publish-dir: ./web
-          production-deploy: true
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          deploy-message: "Deploy from GitHub Actions - ${{ github.event.head_commit.message }}"
-          enable-pull-request-comment: false
-          enable-commit-comment: false
-        env:
-          NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
-          NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+          command: pages deploy web --project-name=pythonplot --branch=main
 
-      - name: Deploy to Netlify (Preview)
-        if: github.ref != 'refs/heads/master'
-        uses: nwtgck/actions-netlify@v3
+      - name: Deploy to Cloudflare Pages (Preview)
+        if: github.ref != 'refs/heads/master' && env.HAS_CF_TOKEN == 'true'
+        uses: cloudflare/wrangler-action@v3
         with:
-          publish-dir: ./web
-          production-deploy: false
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          deploy-message: "Preview deploy from GitHub Actions"
-          enable-pull-request-comment: true
-          enable-commit-comment: false
-        env:
-          NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
-          NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+          command: pages deploy web --project-name=pythonplot --branch=${{ github.head_ref || github.ref_name }}
 
       - name: Upload build artifacts
         if: always()

.gitignore

@@ -3,6 +3,4 @@ web/img/plots/
 Examples.*.ipynb
 .setup_done
 .venv/
-uv.lock
-# Local Netlify folder
-.netlify
+__pycache__/