Add codegen check CI job

.github/workflows/check-codegen.yml

@@ -0,0 +1,46 @@
+name: Check Python codegen
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, reopened, synchronize]
+
+jobs:
+  check-python-codegen:
+    name: Check Python codegen
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
+    - name: Set up Python
+      uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405  # v6.2.0
+      with:
+        python-version: "3.x"
+
+    - name: Set up uv
+      uses: astral-sh/setup-uv@cec208311dfd045dd5311c1add060b2062131d57  # v8.0.0
+
+    - name: Install dependencies
+      run: |
+        uv venv
+        source .venv/bin/activate
+        uv lock --check
+        uv sync --extra dev_codegen
+    - name: Run codegen
+      run: |
+        source .venv/bin/activate
+        python commands.py codegen
+    - name: Check for changes
+      run: |
+        # Fail if codegen produced any changes to the working directory.
+        # This means the committed generated files are out of date and codegen
+        # needs to be re-run locally and the results committed.
+        if [ -n "$(git status --porcelain)" ]; then
+          echo "::error::Generated files are out of date. Please run 'python commands.py codegen' locally and commit the result."
+          echo "The following files differ after running codegen:"
+          git status --porcelain
+          echo ""
+          exit 1
+        fi
+        echo "Generated files are up to date."

pyproject.toml

@@ -53,16 +53,20 @@ dev_build = [
     "build",
     "jupyterlab"
 ]
+dev_codegen = [             # Dependencies for running Python codegen
+    "plotly[dev_core]",
+    "inflect"
+]
 dev_optional = [
     "plotly[dev_build]",
+    "plotly[dev_codegen]",
     "plotly[express]",
     "plotly[kaleido]",
     "anywidget",
     "colorcet",
     # fiona>1.9.6 is not compatible with geopandas<1; geopandas>=1 is not compatible with python 3.8
     "fiona<=1.9.6;python_version<='3.8'",
     "geopandas",
-    "inflect",
     "orjson",
     "pandas",
     "pdfrw",