Fix CI (#1549)

* Drop `ifaxity/wait-on-action@v1`

* macos-13 is no more

* try macos-15-intel

* Rotate Python

* pyzmq needed?

* handle new jupyter-core

* try xeus-cpp

* try with 3.13

Author: jtpio

.github/workflows/main.yml

@@ -22,7 +22,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python_version: ['3.9', '3.10', '3.11']
+        python_version: ['3.10', '3.14']
 
     steps:
       - uses: actions/checkout@v4
@@ -41,10 +41,9 @@ jobs:
             yarn=3
             ipywidgets
             matplotlib
-            xeus-cling
+            xeus-cpp
             traitlets>=5.0.3,<6
             ipykernel
-            pyzmq=25.1.0
 
       - name: Install dependencies
         shell: bash -l {0}
@@ -64,8 +63,8 @@ jobs:
       - name: Run tests
         shell: bash -l {0}
         run: |
-          VOILA_TEST_XEUS_CLING=1 py.test tests/app --async-test-timeout=240 --reruns 2 --reruns-delay 1
-          VOILA_TEST_XEUS_CLING=1 py.test tests/server --async-test-timeout=240 --reruns 2 --reruns-delay 1 --trace
+          VOILA_TEST_XEUS_CPP=1 py.test tests/app --async-test-timeout=240 --reruns 2 --reruns-delay 1
+          VOILA_TEST_XEUS_CPP=1 py.test tests/server --async-test-timeout=240 --reruns 2 --reruns-delay 1 --trace
           py.test tests/execute_output_test.py
           voila --help  # Making sure we can run `voila --help`
           # tests if voila sends a 'heartbeat' to avoid proxies from closing an apparently stale connection
@@ -75,16 +74,17 @@ jobs:
           wget --read-timeout=5 --tries=1 http://localhost:8878
           # Test nbconvert < 7.6.0
           python -m pip install "nbconvert<7.6.0"
-          VOILA_TEST_XEUS_CLING=1 py.test tests/app/image_inlining_test.py
+          VOILA_TEST_XEUS_CPP=1 py.test tests/app/image_inlining_test.py
 
   test-osx:
     runs-on: ${{ matrix.os }}
 
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-13]
-        python_version: ['3.9', '3.10', '3.11']
+        os: [macos-latest]
+        # TODO: Python 3.14 on macOS hangs during ipywidgets tests
+        python_version: ['3.10', '3.13']
 
     steps:
       - uses: actions/checkout@v4
@@ -103,10 +103,9 @@ jobs:
             yarn=3
             ipywidgets
             matplotlib
-            xeus-cling
+            xeus-cpp
             traitlets>=5.0.3,<6
             ipykernel
-            pyzmq=25.1.0
 
       - name: Install dependencies
         shell: bash -l {0}
@@ -132,7 +131,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [windows-latest]
-        python-version: ['3.9', '3.10', '3.11']
+        python-version: ['3.10', '3.14']
     steps:
       - uses: actions/checkout@v2
 

.github/workflows/packaging.yml

@@ -61,16 +61,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-13, windows-latest]
-        python: ['3.8', '3.10']
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python: ['3.10', '3.14']
         include:
-          - python: '3.8'
-            dist: 'voila*.tar.gz'
           - python: '3.10'
+            dist: 'voila*.tar.gz'
+          - python: '3.14'
             dist: 'voila*.whl'
           - os: windows-latest
             py_cmd: python
-          - os: macos-13
+          - os: macos-latest
             py_cmd: python3
           - os: ubuntu-latest
             py_cmd: python

.github/workflows/ui-tests.yml

@@ -51,22 +51,10 @@ jobs:
           cd ui-tests
           jlpm install
 
-      - name: Launch Voila
-        run: |
-          # Mount a volume to overwrite the server configuration
-          jlpm start --progressive_rendering=${{ matrix.progressive_rendering }} 2>&1 > /tmp/voila_server.log &
-        working-directory: ui-tests
-
       - name: Install browser
         run: npx playwright install chromium
         working-directory: ui-tests
 
-      - name: Wait for Voila
-        uses: ifaxity/wait-on-action@v1
-        with:
-          resource: http-get://localhost:8866/
-          timeout: 360000
-
       - name: Test
         env:
           PROGRESSIVE_RENDERING: ${{ matrix.progressive_rendering }}
@@ -110,8 +98,3 @@ jobs:
           name: ${{ env.TEST_REPORT_NAME }}
           path: |
             ui-tests/playwright-report
-
-      - name: Print Voila logs
-        if: always()
-        run: |
-          cat /tmp/voila_server.log

README.md

@@ -108,7 +108,7 @@ The sources of the Jupyter notebook can be displayed in a Voilà app if option `
 
 ### Voilà dashboards with other language kernels\*\*
 
-Voilà is built upon Jupyter standard formats and protocols, and is agnostic to the programming language of the notebook. In this example, we present an example of a Voilà application powered by the C++ Jupyter kernel [xeus-cling](https://github.com/jupyter-xeus/xeus-cling), and the [xleaflet](https://github.com/jupyter-xeus/xleaflet) project.
+Voilà is built upon Jupyter standard formats and protocols, and is agnostic to the programming language of the notebook. In this example, we present an example of a Voilà application powered by the C++ Jupyter kernel [xeus-cpp](https://github.com/compiler-research/xeus-cpp), and the [xleaflet](https://github.com/jupyter-xeus/xleaflet) project.
 
 ![Voilà cling](voila-cling.gif)
 

docs/deploy.md

@@ -29,7 +29,7 @@ and with very little prior experience of deployments.
 2. Add a requirements.txt file to the project directory. This file should
    contain all the Python dependencies your Voilà app needs to run. For this
    tutorial we will copy the contents of the environment.yml of Voilà.
-   We omit xleaflet and xeus-cling because these require extra work that is
+   We omit xleaflet and xeus-cpp because these require extra work that is
    beyond the scope of this guide.
 
    ```text

pyproject.toml

@@ -10,7 +10,7 @@ build-backend = "hatchling.build"
 name = "voila"
 description = "Voilà turns Jupyter notebooks into standalone web applications"
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.10"
 authors = [
     { name = "Voila Development Team" },
 ]
@@ -29,11 +29,11 @@ classifiers = [
     "License :: OSI Approved :: BSD License",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.7",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
 dependencies = [
     "jupyter_client>=7.4.4,<9",

tests/app/execute_cpp_test.py

@@ -2,7 +2,7 @@
 
 import pytest
 
-TEST_XEUS_CLING = os.environ.get("VOILA_TEST_XEUS_CLING", "") == "1"
+TEST_XEUS_CPP = os.environ.get("VOILA_TEST_XEUS_CPP", "") == "1"
 NOTEBOOK_PATH = "print.xcpp"
 
 
@@ -14,7 +14,7 @@ def cpp_file_url(base_url, preheat_mode):
 @pytest.fixture
 def voila_args_extra():
     return [
-        '--VoilaConfiguration.extension_language_mapping={".xcpp": "C++11"}',
+        '--VoilaConfiguration.extension_language_mapping={".xcpp": "C++23"}',
         "--VoilaExecutor.timeout=240",
     ]
 
@@ -25,7 +25,7 @@ def voila_args(notebook_directory, voila_args_extra, preheat_mode):
 
 
 @pytest.mark.skipif(
-    not TEST_XEUS_CLING, reason="opt in to avoid having to install xeus-cling"
+    not TEST_XEUS_CPP, reason="opt in to avoid having to install xeus-cpp"
 )
 async def test_non_existing_kernel(http_server_client, cpp_file_url):
     response = await http_server_client.fetch(cpp_file_url)

tests/app/serve_directory_test.py

@@ -3,7 +3,7 @@
 
 import pytest
 
-TEST_XEUS_CLING = os.environ.get("VOILA_TEST_XEUS_CLING", "") == "1"
+TEST_XEUS_CPP = os.environ.get("VOILA_TEST_XEUS_CPP", "") == "1"
 
 
 @pytest.fixture
@@ -36,7 +36,7 @@ async def test_print_py(http_server_client, print_notebook_url):
 
 
 @pytest.mark.skipif(
-    not TEST_XEUS_CLING, reason="opt in to avoid having to install xeus-cling"
+    not TEST_XEUS_CPP, reason="opt in to avoid having to install xeus-cpp"
 )
 async def test_print_julia_notebook(http_server_client, print_notebook_url):
     print(print_notebook_url)

tests/notebooks/print.xcpp

@@ -7,14 +7,14 @@
 //       format_version: '1.4'
 //       jupytext_version: 1.2.1
 //   kernelspec:
-//     display_name: C++11
-//     language: C++11
-//     name: xcpp11
+//     display_name: C++23
+//     language: C++23
+//     name: xcpp23
 // ---
 
 
 // this is not a valid .cpp file, since it does not have a main()
-// however, we can ask voila to execute this by using the xeus-cling kernel
+// however, we can ask voila to execute this by using the xeus-cpp kernel
 // or relying on jupytext
 
 #include <iostream>

tests/notebooks/print_cpp.ipynb

@@ -22,16 +22,16 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "C++11",
-   "language": "C++11",
-   "name": "xcpp11"
+   "display_name": "C++23",
+   "language": "C++23",
+   "name": "xcpp23"
   },
   "language_info": {
    "codemirror_mode": "text/x-c++src",
    "file_extension": ".cpp",
    "mimetype": "text/x-c++src",
    "name": "c++",
-   "version": "-std=c++11"
+   "version": "-std=c++23"
   }
  },
  "nbformat": 4,