readme-update 0.3.0

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readme-update 🦀

Tired of updating documentation?

This tool updates your README.md with a one line description for each of the python scripts in a directory you point it to (and recursively). It adds the text for lines that start with "Description: " and "Link: ". It ignores any that don't have the description.

You can supply alternative --table-fields to create a table with columns for the provided fields. The --link-fields argument is used to signal which of the --table-fields should be rendered as links like this [Link](this/is/the/link).

The idea is that links should link to higher level documentation (if it exists).

This can be used as a pre-commit for python projects with standalone scripts for specific processes.

It will update in place if the # Scripts block exists or else it will append it to the end of the README.md

example_usage.py shows how to call the script from python.

Here is an example output from the tool:

Scripts

Name	Description	Link
example1.py	This is an example file that links to my own github.	Link
example2.py	Some other description.
example3.py		Link
::

Installation

pip install readme-update

Or

uv add readme-update

Usage

Assuming its is run from this location.

root/
  scripts/
    example_script.py
  README.md

uv run -m update_readme \
--scripts-root "./scripts" \
--readme-path "./README.md"

Args

Argument	Type	Required	Default	Description
--scripts-root	str	✅		Path to the root of the scripts to scan
--readme-path	str	❌	'./README.md'	Path to the README file that will be modified
--table-fields	list	❌	["Description", "Link"]	Fields to dynamically add to the README.md table.
--link-fields	list	❌	["Link"]	Which of the provided table fields should be rendered as links.

Ret codes

RetCode	int	description
NoModification	0	The Repo Map reflects the current state of the repo.
ModifiedReadme	1	The README was updated.
NoPyFiles	2	No python files found at the scripts-root location.
FailedParsingFile	3	Failed to read README file
FailedToWriteReadme	4	The given README.md path does not match the expected basename.
InvalidLinkFields	5	The given link_fields are not a subset of the given table_fields.

Repo map

├── .github
│   └── workflows
│       ├── ci.yaml
│       └── publish.yaml
├── python
│   └── update_readme
│       ├── __init__.py
│       └── __main__.py
├── scripts
│   ├── example1.py
│   ├── example2.py
│   └── example3.py
├── src
│   ├── core
│   │   ├── adapters.rs
│   │   ├── domain.rs
│   │   └── mod.rs
│   ├── api.rs
│   └── lib.rs
├── tests
│   └── integration_tests.rs
├── .pre-commit-config.yaml
├── Cargo.lock
├── Cargo.toml
├── README.md
├── pyproject.toml
└── uv.lock
::