Add JupyterLite deployment

.github/workflows/deploy-github-page.yml

@@ -0,0 +1,88 @@
+name: build and deploy
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches:
+    - main
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: Github-page
+
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      - name: Install mamba
+        uses: mamba-org/setup-micromamba@v2
+        with:
+          environment-file: environment-wasm-build.yml
+          init-shell: bash
+          environment-name: xeus-python-wasm-build
+
+      - name: Set ncpus
+        run: echo "ncpus=$(nproc --all)" >> $GITHUB_ENV
+
+      - name: Build xeus-python
+        shell: bash -l {0}
+        run: |
+          micromamba create -f environment-wasm-host.yml --platform=emscripten-wasm32
+
+          set -eux
+
+          export PREFIX=$MAMBA_ROOT_PREFIX/envs/xeus-python-wasm-host
+          echo "PREFIX=$PREFIX" >> $GITHUB_ENV
+
+          emcmake cmake . \
+            -DCMAKE_PREFIX_PATH=$PREFIX \
+            -DCMAKE_INSTALL_PREFIX=$PREFIX \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ON \
+            -DXPYT_EMSCRIPTEN_WASM_BUILD=ON \
+            -DCMAKE_VERBOSE_MAKEFILE=ON
+
+          emmake make -j${{ env.ncpus }} install
+
+      - name: Jupyter Lite integration
+        shell: bash -l {0}
+        run: |
+          jupyter lite build \
+              --XeusAddon.prefix=${{ env.PREFIX }} \
+              --contents notebooks/xeus-python.ipynb \
+              --output-dir dist
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v4
+        with:
+          path: ./dist
+
+  deploy:
+    needs: build
+    if: github.ref == 'refs/heads/main'
+    permissions:
+      pages: write
+      id-token: write
+
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

.github/workflows/main.yml

@@ -26,7 +26,7 @@ jobs:
         build_type: [static_build, shared_build]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install micromamba
         uses: mamba-org/setup-micromamba@v2
@@ -87,7 +87,7 @@ jobs:
         build_type: [static_build, shared_build]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install micromamba
         uses: mamba-org/setup-micromamba@v2
@@ -144,43 +144,3 @@ jobs:
         timeout-minutes: 4
         working-directory: build\test
 
-  test-wasm:
-
-    runs-on: ubuntu-latest
-
-    strategy:
-      fail-fast: false
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: install mamba
-        uses: mamba-org/setup-micromamba@main
-        with:
-          environment-file: environment-wasm-build.yml
-          init-shell: bash
-
-      - name: Build and pack xeus-python
-        shell: bash -l {0}
-        run: |
-          micromamba create -f environment-wasm-host.yml --platform=emscripten-wasm32
-
-          mkdir build
-          pushd build
-
-          export PREFIX=$MAMBA_ROOT_PREFIX/envs/xeus-python-wasm-host
-          export CMAKE_PREFIX_PATH=$PREFIX
-          export CMAKE_SYSTEM_PREFIX_PATH=$PREFIX
-
-          # remove all the fake pythons binaries
-          rm -f $PREFIX/bin/python*
-
-          emcmake cmake \
-            -DCMAKE_PREFIX_PATH=$PREFIX \
-            -DCMAKE_INSTALL_PREFIX=$PREFIX \
-            -DCMAKE_BUILD_TYPE=Release \
-            -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ON \
-            -DXPYT_EMSCRIPTEN_WASM_BUILD=ON \
-            ..
-
-          make -j4

README.md

@@ -3,6 +3,7 @@
 [![GitHub Action CI](https://github.com/jupyter-xeus/xeus-python/actions/workflows/main.yml/badge.svg)](https://github.com/jupyter-xeus/xeus-python/actions/workflows/main.yml)
 [![Documentation Status](http://readthedocs.org/projects/xeus-python/badge/?version=latest)](https://xeus-python.readthedocs.io/en/latest/?badge=latest)
 [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/jupyter-xeus/xeus-python/stable?urlpath=/lab/tree/notebooks/xeus-python.ipynb)
+[![lite-badge](https://jupyterlite.rtfd.io/en/latest/_static/badge.svg)](https://jupyter-xeus.github.io/xeus-python/)
 [![Zulip](https://img.shields.io/badge/social_chat-zulip-blue.svg)](https://jupyter.zulipchat.com)
 
 `xeus-python` is a Jupyter kernel for Python based on the native implementation of the Jupyter protocol [xeus](https://github.com/jupyter-xeus/xeus).

environment-wasm-build.yml

@@ -9,3 +9,7 @@ dependencies:
   - python=3.13
   - yarn
   - click
+  # JupyterLite
+  - jupyterlite-core
+  - jupyter_server
+  - jupyterlite-xeus

environment-wasm-host.yml

@@ -7,6 +7,7 @@ dependencies:
   - pybind11 <3
   - jedi
   - nlohmann_json
+  - nlohmann_json-abi
   - pybind11_json
   - numpy
   - xeus-lite