Documentation Build Fails Locally

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Introduction

Documentation build failures can be frustrating, especially when they occur locally. In this article, we will explore a common issue where the documentation build fails locally, and provide a step-by-step guide to troubleshoot and resolve the issue.

Understanding the Error Message

The error message provided is a warning followed by an exception. The warning message indicates that there is an issue with the sphinxext module, which is a part of the Sphinx documentation builder. The exception message suggests that there is a NotImplementedError in the matplotlib library, which is being used by the sphinxext module.

Analyzing the Versions

The versions of the various libraries and tools used in the documentation build are listed below:

  • Platform: linux (Linux-6.8.0-58-generic-x86_64-with-glibc2.39)
  • Python version: 3.12.2 (CPython)
  • Sphinx version: 8.2.3
  • Docutils version: 0.21.2
  • Jinja2 version: 3.1.6
  • Pygments version: 2.19.1

Loaded Extensions

The loaded extensions are listed below:

  • sphinx.ext.mathjax (8.2.3)
  • alabaster (1.0.0)
  • sphinxcontrib.applehelp (2.0.0)
  • sphinxcontrib.devhelp (2.0.0)
  • sphinxcontrib.htmlhelp (2.1.0)
  • sphinxcontrib.serializinghtml (2.0.0)
  • sphinxcontrib.qthelp (2.0.0)
  • sphinx.ext.autodoc.preserve_defaults (8.2.3)
  • sphinx.ext.autodoc.type_comment (8.2.3)
  • sphinx.ext.autodoc.typehints (8.2.3)
  • sphinx.ext.autodoc (8.2.3)
  • sphinx.ext.autosummary (8.2.3)
  • sphinx.ext.doctest (8.2.3)
  • sphinx.ext.graphviz (8.2.3)
  • sphinx.ext.inheritance_diagram (8.2.3)
  • sphinx.ext.intersphinx (8.2.3)
  • sphinxcontrib.jquery (4.1)
  • IPython.sphinxext.ipython_console_highlighting (unknown version)
  • IPython.sphinxext.ipython_directive (unknown version)
  • sphinx.ext.napoleon (8.2.3)
  • github (unknown version)
  • magics (unknown version)
  • configtraits (unknown version)
  • sphinx_rtd_theme (unknown version)

Troubleshooting Steps

Based on the error message and the versions of the libraries and tools used, we can try the following troubleshooting steps:

Step 1: Update Sphinx and Docutils

Update Sphinx and Docutils to the latest versions using pip:

pip install --upgrade sphinx docutils

Step 2: Check the Loaded Extensions

Check the loaded extensions and ensure that they are compatible with the versions of Sphinx and Docutils used. If any extensions are not compatible, try updating them to the latest versions.

Step 3: Check the Python Version

Check the Python version used and ensure it is compatible with the versions of Sphinx and Docutils used. If the Python version is not compatible, try updating it to a compatible version.

Step 4: Check the Matplotlib Library

Check the Matplotlib library used and ensure that it is compatible with the versions of Sphinx and Docutils used. If the Matplotlib library is not compatible, try updating it to a compatible version.

Step 5: Check the IPython Library

Check the IPython library used and ensure that it is compatible with the versions of Sphinx and Docutils used. If the IPython library is not compatible, try updating it to a compatible version.

Step 6: Check the Configuration Files

Check the configuration files used by Sphinx and Docutils and ensure that they are correct. If the configuration files are incorrect, try updating them to the correct versions.

Step 7: Check the Environment Variables

Check the environment variables used by Sphinx and Docutils and ensure that they are correct. If the environment variables are incorrect, try updating them to the correct versions.

Conclusion

Q: What is the cause of the documentation build failure?

A: The cause of the documentation build failure is a NotImplementedError in the matplotlib library, which is being used by the sphinxext module.

Q: What are the versions of the libraries and tools used?

A: The versions of the libraries and tools used are:

  • Platform: linux (Linux-6.8.0-58-generic-x86_64-with-glibc2.39)
  • Python version: 3.12.2 (CPython)
  • Sphinx version: 8.2.3
  • Docutils version: 0.21.2
  • Jinja2 version: 3.1.6
  • Pygments version: 2.19.1

Q: What are the loaded extensions?

A: The loaded extensions are:

  • sphinx.ext.mathjax (8.2.3)
  • alabaster (1.0.0)
  • sphinxcontrib.applehelp (2.0.0)
  • sphinxcontrib.devhelp (2.0.0)
  • sphinxcontrib.htmlhelp (2.1.0)
  • sphinxcontrib.serializinghtml (2.0.0)
  • sphinxcontrib.qthelp (2.0.0)
  • sphinx.ext.autodoc.preserve_defaults (8.2.3)
  • sphinx.ext.autodoc.type_comment (8.2.3)
  • sphinx.ext.autodoc.typehints (8.2.3)
  • sphinx.ext.autodoc (8.2.3)
  • sphinx.ext.autosummary (8.2.3)
  • sphinx.ext.doctest (8.2.3)
  • sphinx.ext.graphviz (8.2.3)
  • sphinx.ext.inheritance_diagram (8.2.3)
  • sphinx.ext.intersphinx (8.2.3)
  • sphinxcontrib.jquery (4.1)
  • IPython.sphinxext.ipython_console_highlighting (unknown version)
  • IPython.sphinxext.ipython_directive (unknown version)
  • sphinx.ext.napoleon (8.2.3)
  • github (unknown version)
  • magics (unknown version)
  • configtraits (unknown version)
  • sphinx_rtd_theme (unknown version)

Q: What are the troubleshooting steps?

A: The troubleshooting steps are:

  1. Update Sphinx and Docutils to the latest versions using pip.
  2. Check the loaded extensions and ensure that they are compatible with the versions of Sphinx and Docutils used.
  3. Check the Python version used and ensure it is compatible with the versions of Sphinx and Docutils used.
  4. Check the Matplotlib library used and ensure that it is compatible with the versions of Sphinx and Docutils used.
  5. Check the IPython library used and ensure that it is compatible with the versions of Sphinx and Docutils used.
  6. Check the configuration files used by Sphinx and Docutils and ensure that they are correct.
  7. Check the environment variables used by Sphinx and Docutils and ensure that they are correct.

Q: How can I update Sphinx and Docutils?

A: You can update Sphinx and Docutils to the latest versions using pip:

Q: How can I check the loaded extensions?

A: You can check the loaded extensions by running the following command:

sphinx-build -b extensions

Q: How can I check the Python version?

A: You can check the Python version by running the following command:

python --version

Q: How can I check the Matplotlib library?

A: You can check the Matplotlib library by running the following command:

pip show matplotlib

Q: How can I check the IPython library?

A: You can check the IPython library by running the following command:

pip show ipython

Q: How can I check the configuration files?

A: You can check the configuration files by running the following command:

sphinx-build -b config

Q: How can I check the environment variables?

A: You can check the environment variables by running the following command:

printenv

Conclusion

Documentation build failures can be frustrating, especially when they occur locally. By following the troubleshooting steps outlined in this article, you can identify and resolve the issue causing the documentation build failure. Remember to update Sphinx and Docutils to the latest versions, check the loaded extensions, check the Python version, check the Matplotlib library, check the IPython library, check the configuration files, and check the environment variables.