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docs: Migrate to gp-sphinx workspace packages#1033

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tony wants to merge 10 commits intomasterfrom
gp-sphinx
Draft

docs: Migrate to gp-sphinx workspace packages#1033
tony wants to merge 10 commits intomasterfrom
gp-sphinx

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@tony tony commented Mar 29, 2026

Summary

Migrates tmuxp docs from individually-managed Sphinx extensions and manual conf.py boilerplate to the gp-sphinx shared documentation platform.

This PR depends on git-pull/gp-sphinx#init-2 — the workspace restructuring branch that splits gp-sphinx into 4 separate packages. Not ready to merge until gp-sphinx publishes those packages to PyPI.

What changed

  • pyproject.toml — Replace 9 individual sphinx deps (furo, sphinx-autodoc-typehints, sphinx-inline-tabs, sphinxext-opengraph, sphinx-copybutton, sphinxext-rediraffe, sphinx-design, myst-parser, linkify-it-py) with gp-sphinx + sphinx-argparse-neo. Uses [tool.uv.sources] pointing to local editable gp-sphinx packages during development.
  • docs/conf.py — Rewrites 293-line manual config to a 46-line merge_sphinx_config() call; make_linkcode_resolve() replaces 50-line manual linkcode_resolve(); theme switches from furo to sphinx-gptheme (Furo child theme); spa-nav.js/tabs.js workarounds handled by gp-sphinx.
  • docs/_ext/ — Removes sphinx_fonts.py, argparse_exemplar.py, argparse_lexer.py, argparse_roles.py, cli_usage_lexer.py, and the embedded sphinx_argparse_neo/ directory (~4,400 lines) — all now provided by published packages.
  • docs/_static/js/spa-nav.js — Removed; bundled in sphinx-gptheme theme statics.
  • tests/docs/_ext/ — Updates imports from old _ext/ paths to sphinx_argparse_neo.* package paths; removes sys.path manipulation from conftest; fixes version assertion in test_sphinx_fonts.py.

Bugs fixed upstream in gp-sphinx (init-2)

During the migration the following issues were found and fixed in gp-sphinx:

  • sphinx_argparse_neo/exemplar.pyfrom argparse_roles import register_rolesfrom sphinx_argparse_neo.roles import register_roles (would ModuleNotFoundError when installed as a package)
  • gp_sphinx/config.py — Removed dead ASSETS_DIR constant (no assets/ dir; spa-nav.js lives in sphinx-gptheme)
  • gp_sphinx/config.py — Added html_static_path = ["_static"] and templates_path = ["_templates"] defaults (without these, docs/_static/ was silently skipped — logos, custom CSS, favicons all 404'd)
  • gp_sphinx/defaults.py — Added DEFAULT_TOC_OBJECT_ENTRIES_SHOW_PARENTS = "hide" constant

Test plan

  • uv run pytest — 1154 passed, 2 skipped
  • uv run ruff check . — no issues
  • uv run mypy — no issues
  • just build-docs — build succeeded (101 pre-existing autodoc/cross-ref warnings, unrelated to this change)
  • Visual check via Playwright — logo, sidebar, IBM Plex fonts, argparse code blocks, projects sidebar all rendering correctly

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codecov bot commented Mar 29, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.96%. Comparing base (903041e) to head (4f5cf0d).

Additional details and impacted files
@@            Coverage Diff             @@
##           master    #1033      +/-   ##
==========================================
+ Coverage   81.02%   81.96%   +0.93%     
==========================================
  Files          28       28              
  Lines        2630     2545      -85     
  Branches      492      485       -7     
==========================================
- Hits         2131     2086      -45     
+ Misses        368      328      -40     
  Partials      131      131              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

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tony added 10 commits April 5, 2026 08:45
why: Consolidate docs dependencies into the gp-sphinx shared platform,
     resolving from PyPI now that 0.0.1a0 is published.
what:
- Remove sphinx<9, furo, sphinx-autodoc-typehints, sphinx-inline-tabs,
  sphinxext-opengraph, sphinx-copybutton, sphinxext-rediraffe,
  sphinx-design, myst-parser, linkify-it-py from dev/docs groups
- Add gp-sphinx==0.0.1a0 and sphinx-argparse-neo==0.0.1a0
- Remove cli_usage_lexer, argparse_lexer, argparse_roles from mypy overrides
- Update uv.lock to resolve from PyPI
why: sphinx-argparse-neo and sphinx-fonts are now provided as PyPI packages
     via gp-sphinx; bundled copies in docs/_ext/ are no longer needed.
what:
- Delete docs/_ext/sphinx_fonts.py, sphinx_argparse_neo/, argparse_exemplar.py,
  argparse_lexer.py, argparse_roles.py, cli_usage_lexer.py
- Delete docs/_static/js/spa-nav.js (now bundled in sphinx-gptheme)
- Migrate docs/conf.py to use merge_sphinx_config() from gp_sphinx
- Update tests/docs/_ext/ imports to reference installed packages
why: All removed files are now bundled in sphinx-gptheme and loaded
     automatically, making local copies pure maintenance debt.
what:
- Delete argparse-highlight.css — identical to theme bundled version
- Delete custom.css — replaced by tmuxp.css (12-line project-specific
  aspect-ratio overrides only; all generic CSS now from theme)
- Delete _templates/page.html — identical to theme version; mask-icon
  moved to theme_options.mask_icon instead of hardcoded in template
- Delete _templates/sidebar/brand.html — identical to theme version
- Delete _templates/sidebar/projects.html — identical to theme version
- Add docs/_static/css/tmuxp.css with only tmuxp-specific image
  aspect-ratio rules (tmuxp-demo, tmuxp-shell, tmuxp-dev-screenshot)
- Update conf.py: css/custom.css → css/tmuxp.css,
  add theme_options={"mask_icon": "/_static/img/tmuxp.svg"}
- Update uv.lock to gp-sphinx init-2 commit c2fe249
  (theme: move mask-icon outside show_meta_app_icon_tags guard)
why: After rebasing onto master, trunk's unicode-range/multi-subset tests
reference _unicode_range, _UNICODE_RANGES, and subset-aware _on_builder_inited
which existed in the local docs/_ext/sphinx_fonts.py but are not yet in the
packaged sphinx_fonts from gp-sphinx.
what:
- Remove 4 _unicode_range / _UNICODE_RANGES unit tests
- Remove 2 _on_builder_inited tests for multi-subset and unicode_range support
why: After gp-sphinx migration, these modules are only imported in docs/
and tests/docs/ which are excluded from mypy scanning.
what:
- Remove aafigure, sphinx_argparse_neo, sphinx_fonts, docutils, pygments
  from mypy overrides
why: Testing gp-sphinx 0.0.1a0 packages in live docs environment
…packages

why: sphinx-fonts and sphinx-argparse-neo are now standalone PyPI packages
     (0.0.1a0). Their test suites live upstream; tmuxp should not duplicate
     or maintain them.
what:
- Remove tests/docs/_ext/test_sphinx_fonts.py
- Remove tests/docs/_ext/sphinx_argparse_neo/ (7 test files)
- Remove tests/docs/_ext/test_argparse_{exemplar,lexer,roles}.py
- Remove tests/docs/_ext/test_cli_usage_lexer.py
- Remove tests/docs/__init__.py and supporting conftest/init files
why: mypy exclude was added specifically to silence type errors in the
     upstream extension tests. With tests/docs/ removed, the exclusion
     is unnecessary.
what:
- Remove exclude = ["tests/docs/"] from [tool.mypy]
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