@@ -19,22 +19,90 @@ jobs:
1919 environment :
2020 name : github-pages
2121 url : ${{ steps.deployment.outputs.page_url }}
22+ defaults :
23+ run :
24+ shell : bash -leo pipefail {0}
2225 runs-on : ubuntu-latest
2326 steps :
2427 - uses : actions/checkout@v5
2528
2629 - name : Set up Pages
2730 uses : actions/configure-pages@v5
2831
29- - name : Set up Python
32+ - name : Set up conda env
3033 uses : mamba-org/setup-micromamba@v2
3134 with :
3235 environment-file : environment.yml
3336 cache-environment : true
37+ create-args : >-
38+ libegl
39+ # mesalib
40+ # ipywidgets
41+ # trame
42+ # trame-vtk
43+ # trame-vuetify
44+
45+ - name : Install JB2
46+ run : python -m pip install -U --pre "jupyter-book==2.*" --no-deps -v
47+
48+ # - name: Set up PyVista
49+ # # libglx-mesa0, libgl1, xvfb already present in ubuntu-24.04
50+ # run: |
51+ # sudo apt-get update
52+ # sudo apt-get install -y libglx-mesa0 libgl1 xvfb libosmesa6
53+
54+ # - name: Start xvfb
55+ # run: python -c "import pyvista as pv; pv.start_xvfb()"
56+
57+ - name : PyVista test
58+ run : |
59+ xvfb-run -s "-screen 0 1024x768x24" python -c '
60+ import os
61+ import vtk
62+ import pyvista as pv
63+
64+ # pv.BUILDING_GALLERY = True
65+
66+ print("=== Environment variables ===")
67+ print("VTK_DEFAULT_OPENGL_WINDOW =", os.environ.get("VTK_DEFAULT_OPENGL_WINDOW"))
68+ print("PYVISTA_OFF_SCREEN =", os.environ.get("PYVISTA_OFF_SCREEN"))
69+
70+ print("\n=== VTK backend check ===")
71+ rw = vtk.vtkRenderWindow()
72+ print("RenderWindow backend:", rw.GetClassName())
73+
74+ print("\n=== PyVista backend check ===")
75+ # print("PyVista rendering_backend:", pv.global_theme.rendering_backend)
76+
77+ # Force PyVista to off-screen if not already
78+ # pv.global_theme.off_screen = True
79+ print("PyVista OFF_SCREEN before:", pv.OFF_SCREEN)
80+ pv.OFF_SCREEN = True
81+
82+ print("\n=== Rendering test ===")
83+ sphere = pv.Sphere()
84+ plotter = pv.Plotter(off_screen=True)
85+ plotter.add_mesh(sphere, color="tomato")
86+ plotter.show(screenshot="backend_test.png")
87+ print("Rendered sphere saved as backend_test.png")
88+ '
89+ env :
90+ PYVISTA_OFF_SCREEN : true
91+ # VTK_DEFAULT_OPENGL_WINDOW: vtkOSOpenGLRenderWindow
92+ VTK_DEFAULT_OPENGL_WINDOW : vtkXOpenGLRenderWindow
93+
94+ # JB2 has --execute, but this way we can see how long it takes
95+ - name : Execute the notebook
96+ run : jupyter nbconvert --to notebook --execute --inplace 03-viz.ipynb
97+ env :
98+ PYVISTA_OFF_SCREEN : true
99+ # VTK_DEFAULT_BACKEND: X
100+ # VTK_USE_OSMESA: "1"
101+ # VTK_DEFAULT_OPENGL_WINDOW: vtkOSOpenGLRenderWindow
102+ VTK_DEFAULT_OPENGL_WINDOW : vtkXOpenGLRenderWindow
34103
35104 - name : Build HTML
36- run : jupyter-book build --html --execute --strict --ci
37- shell : micromamba-shell {0}
105+ run : jupyter book build --html --strict --ci
38106
39107 - name : Upload artifact
40108 uses : actions/upload-pages-artifact@v4
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