linklint 1.0.0

A Sphinx extension to remove needless links

Linklint is a Sphinx extension that removes links from excessive references.

It also can be used as command-line linter to find or correct those references in .rst files.

Checks

Linklint has two different checks:

• self: find references that link to their own section. For example, in the description of a class, use :class: referring to itself. These should not be links since they will not take you someplace new.

• paradup: find multiple identical references within a single paragraph. The first should be a link, but subsequent references don’t need to be links, they are just distractions.

Sphinx extension

To use linklint as a Sphinx extension, add it to the extensions list in your conf.py file:

extensions = [
    # .. probably other extensions are already here..
    "linklint.ext",
]

During the build process, linklint will run its checks and remove links from references it considers excessive. No changes are made to the source files.

Command-line use

You can use linklint as a command-line linter:

% linklint --help
usage: linklint [-h] [--check CHECK] [--fix] files [files ...]

positional arguments:
  files          RST files to lint

options:
  -h, --help     show this help message and exit
  --check CHECK  comma-separated checks to run (self, paradup, all)
  --fix          Fix the issues in place

This can be useful to see what linklint considers excessive, or to modify .rst files to unlink excessive references. Where it can, Linklint unlinks references by changing :func:`foo` to :func:`!foo`.

If you agree with linklint’s decisions, the Sphinx extension is a better option, since it doesn’t require changing the source files, and doesn’t hard-code the decisions.

Testing on CPython

To try local changes in the CPython docs:

cd python/cpython/Docs
make clean venv html
mv build build0
sed -i '' "/linklint/s@.*@-e $HOME/linklint@" requirements.txt
make clean venv
uv pip install -r requirements.txt
make html
meld build0/html build/html
# or
diff -I 'Last updated on' -r build0/html build/html

Changes

v1.0.0 (2026-05-02)

Fix: the :noindex: directive was ignored, so sections marked as such were considered targets when they shouldn’t have been. This is now fixed.

v0.4.1 (2026-03-27)

Linklint v0.4.0 required Sphinx 9.x, which prevented it from being used by the CPython docs. Now linklint will work with Sphinx 8.x as well.

v0.4.0 (2026-03-10)

A number of roles (:ref:, :doc: and others) were being unlinked when they seemed excessive, but shouldn’t have been. They are explicit references to other parts of the documentation, so should never be removed. This is now fixed.

v0.3.1 (2026-03-01)

Published to PyPI.

v0.3.0 (2026-02-28)

Methods are associated with classes properly in a number of ways.

The Sphinx extension now displays the number of references that were unlinked. The CPython docs report 3612 references unlinked.

v0.2.0 (2026-02-22)

Now available as a Sphinx extension. Instead of changing .rst source files, the excessive links are automatically unlinked in the generated documentation.

v0.1.0 (2026-02-21)

First version: works as a linter with --check and --fix to change .rst source files.