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CI: Enable long paths for dependencies installation in doc-build job #464

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@ecoussoux-ansys ecoussoux-ansys commented Nov 3, 2025

As reported by #463, the documentation build is failing since November 2nd with the following error :

ERROR: Could not install packages due to an OSError: [Errno 2] No such file or directory: 'C:\\actions-runner\\_work\\pyaedt-examples\\pyaedt-examples\\.venv\\share\\jupyter\\labextensions\\@jupyter-widgets\\jupyterlab-manager\\static\\vendors-node_modules_d3-color_src_color_js-node_modules_d3-format_src_defaultLocale_js-node_m-09b215.2643c43f22ad111f4f82.js.map'
HINT: This error might have occurred since this system does not have Windows Long Path support enabled. You can find information on how to enable this at https://pip.pypa.io/warnings/enable-long-paths

This is caused by the latest release of the jupyterlab-widgets package (v3.0.16 released on November 1st, see here) required for ipywidgets which is part of the requirements/requirepemts_docs.txt.
It appears that this latest release of jupyterlab-widgets contains files with long names that will cause an OSError: [Errno 2] No such file or directory to be raised during the installation of the dependencies inside the virtual environment created for the doc-build job.

In order to prevent such errors, an extra step is introduced in the doc-build job, which consists in enabling support for long paths as described here.

Close #463.

@ecoussoux-ansys ecoussoux-ansys self-assigned this Nov 3, 2025
@ecoussoux-ansys ecoussoux-ansys added the maintenance Package and maintenance related label Nov 3, 2025
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ecoussoux-ansys commented Nov 3, 2025

I am not sure that my change will work, but I have to trigger the CI to check (I believe)..
I'll write another comment once I am sure that the PR is providing a valid fix, or put it back to draft if it's not..!

SMoraisAnsys
SMoraisAnsys approved these changes Nov 4, 2025
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Nice catch! I've rerun the CI cause it got stuck on its way (6h timeout)
Hopefully this will pass this time

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ecoussoux-ansys commented Nov 4, 2025

Thank you!
Now the job fails due to some ConnectTimeoutError when installing vtk-osmesa. I just restarted it.
However, the new step introduced seems to be working fine as dependencies are installed properly again!

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ecoussoux-ansys commented Nov 5, 2025 •
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The documentation build is currently still failing, seemingly for reasons that are not related to the PR's topic.. I just updated the branch to see if it persists.
Interestingly this run on November 4th succeeded (also installing the jupyterlab-widgets package v3.0.16), meaning that the fix suggested in this PR is not needed any longer..?

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CI: Nightly documentation build is failing

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