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RTD_BUILD_FIX.md

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Read the Docs Build Fix

Issues Identified and Fixed

1. Missing Python Package: linkify-it-py

Problem: The MyST parser configuration enables the "linkify" extension in usr-docs/conf.py, but the required linkify-it-py package was missing from usr-docs/requirements.txt.

Error Message:

ModuleNotFoundError: Linkify enabled but not installed.

Root Cause: The conf.py file has this configuration:

myst_enable_extensions = [
    ...
    "linkify",  # This requires linkify-it-py package
    ...
]

Fix: Added linkify-it-py>=2.0.0 to usr-docs/requirements.txt

2. Missing Python Package: roman

Problem: The Sphinx LaTeX builder (required for PDF generation) requires the roman package, which was missing from usr-docs/requirements.txt.

Error Message (from initial local testing):

Extension error:
Could not import extension sphinx.builders.latex (exception: No module named 'roman')

Fix: Added roman>=4.0 to usr-docs/requirements.txt

3. Duplicate html_static_path Configuration

Problem: The usr-docs/conf.py file had html_static_path defined twice:

  • Line 33: html_static_path = ['_static'] (pointing to non-existent directory)
  • Line 81: html_static_path = [] (correct - no static files)

Fix: Removed the first occurrence (line 33), keeping only the correct empty list at line 81.

Files Modified

usr-docs/requirements.txt

Before:

sphinx>=7.0.0
sphinx-rtd-theme>=2.0.0
myst-parser>=2.0.0

After:

sphinx>=7.0.0
sphinx-rtd-theme>=2.0.0
myst-parser>=2.0.0
roman>=4.0
linkify-it-py>=2.0.0

usr-docs/conf.py

Before (lines 32-34):

html_theme = 'sphinx_rtd_theme'
html_static_path = ['_static']

# MyST parser settings

After (lines 32-34):

html_theme = 'sphinx_rtd_theme'

# MyST parser settings

Build Verification

The documentation now builds successfully with the following command:

python -m sphinx -T -b html -c usr-docs -d _build/doctrees usr-docs _build/html

Build Status: ✅ SUCCESS (52 warnings - all non-critical)

Warnings Summary

The 52 warnings are all non-critical and fall into these categories:

  1. Missing Example Files (9 warnings): Cross-references to pattern-specific example files that haven't been created yet

    • ../examples/react-examples.md
    • ../examples/reflection-examples.md
    • ../examples/lats-examples.md
    • etc.

  2. Missing README Cross-References (3 warnings): Links to ../README that should point to ../README.md

  3. Missing Local Anchors (29 warnings): Cross-references to anchors in api/patterns.md that need to be defined

  4. Missing Section Anchors (11 warnings): Internal page anchors in TOC sections that can be added if needed

None of these warnings prevent the documentation from building or being deployed.

Read the Docs Configuration

The .readthedocs.yaml configuration is correct:

version: 2

build:
  os: ubuntu-22.04
  tools:
    python: "3.10"

sphinx:
  configuration: usr-docs/conf.py
  fail_on_warning: false

python:
  install:
    - requirements: usr-docs/requirements.txt
    - method: pip
      path: .

formats:
  - pdf
  - epub

Expected Read the Docs Build Process

When Read the Docs builds the documentation, it will:

  1. Clone the repository
  2. Checkout the specified branch (main)
  3. Install Python 3.10
  4. Create a virtual environment
  5. Install dependencies:
    • pip install sphinx
    • pip install -r usr-docs/requirements.txt (now includes roman)
    • pip install . (the agent_patterns package)
  6. Run Sphinx build: 
    python -m sphinx -T -b html -c usr-docs -d _build/doctrees usr-docs $READTHEDOCS_OUTPUT/html

Testing Locally

To test the documentation build locally:

# Install dependencies
pip install -r usr-docs/requirements.txt

# Build HTML documentation
python -m sphinx -b html -d _build/doctrees usr-docs _build/html

# Build PDF documentation (requires LaTeX)
python -m sphinx -b latex -d _build/doctrees usr-docs _build/latex
cd _build/latex
make

# Build EPUB documentation
python -m sphinx -b epub -d _build/doctrees usr-docs _build/epub

Next Steps

  1. Commit and Push: The fixes are ready to be committed and pushed to trigger a new Read the Docs build.

  2. Future Improvements (Optional):

    • Create missing example files to eliminate cross-reference warnings
    • Fix README cross-references to use correct path
    • Add missing anchors in api/patterns.md

  3. Verify Build: After pushing, verify the build succeeds on Read the Docs at:

Status

✅ Build Fixed: Documentation builds successfully locally ✅ Dependencies Updated: All required packages added to requirements.txt ✅ Configuration Clean: Duplicate settings removed ✅ Ready for Deployment: Changes ready to commit and push

Summary of Changes

File Change Reason
usr-docs/requirements.txt Added linkify-it-py>=2.0.0 Required by MyST parser's linkify extension
usr-docs/requirements.txt Added roman>=4.0 Required by Sphinx LaTeX builder for PDF generation
usr-docs/conf.py Removed duplicate html_static_path Cleaner configuration

Last Updated: 2025-10-27 Build Status: ✅ SUCCESS (52 non-critical warnings) Files Changed: 2 (usr-docs/requirements.txt, usr-docs/conf.py) Primary Issue: Missing linkify-it-py package Build Time: ~30 seconds