Fix JB2 in CI

Author: zmoon

.github/workflows/deploy.yml

@@ -19,22 +19,34 @@ jobs:
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
+    defaults:
+      run:
+        shell: bash -leo pipefail {0}
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
 
       - name: Set up Pages
         uses: actions/configure-pages@v5
 
-      - name: Set up Python
+      - name: Set up conda env
         uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: environment.yml
           cache-environment: true
 
+      - name: Install JB2
+        run: python -m pip install -U --pre "jupyter-book==2.*" --no-deps -v
+
+      - name: Set up PyVista
+        uses: pyvista/setup-headless-display-action@v4
+
+      - name: Execute the notebook
+        # JB2 has --execute, but this way we can see how long it takes
+        run: jupyter nbconvert --to notebook --execute --inplace 03-viz.ipynb
+
       - name: Build HTML
-        run: jupyter-book build --html --execute --strict --ci
-        shell: micromamba-shell {0}
+        run: jupyter book build --html --strict --ci
 
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v4

03-viz.ipynb

@@ -15,6 +15,8 @@
     "title: Viz\n",
     "subtitle: Visualizing native-grid output in Python\n",
     "label: page:viz\n",
+    "kernelspec:\n",
+    "  name: python3\n",
     "---"
    ]
   },
@@ -62,6 +64,7 @@
    },
    "outputs": [],
    "source": [
+    "import os\n",
     "from pathlib import Path\n",
     "\n",
     "import cartopy.crs as ccrs\n",
@@ -76,6 +79,8 @@
     "import xarray as xr\n",
     "\n",
     "# https://docs.pyvista.org/user-guide/jupyter/index.html\n",
+    "if os.environ.get(\"CI\", \"true\") == \"true\":\n",
+    "    pv.start_xvfb()\n",
     "pv.set_jupyter_backend(\"static\")\n",
     "\n",
     "_ = xr.set_options(display_expand_data=False)"