feat(scripts): add readme_generator — auto-generate README from codebase (closes #97) #239

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Rockachopa wants to merge 1 commits from step35/97-4-2-readme-generator into main
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What

Adds scripts/readme_generator.py — a tool that scans Python codebases and generates README.md automatically.

How it works

  • Walks the codebase, finding *.py files (excludes tests, caches)
  • Extracts module-level docstrings via AST
  • Detects entry points (files with argparse or __main__)
  • Collects ArgumentParser descriptions for usage snippets
  • Emits README.md with sections: Description, Installation, Usage, Scripts, Directory Structure

Acceptance (all met)

  • Reads codebase structure (AST-based file scanner)
  • Generates README sections (desc/install/usage/API)
  • Updates existing README (replaces on each run — idempotent)
  • 1 per run (single-target per invocation)

Usage

# Preview without writing
python3 scripts/readme_generator.py --dry-run

# Generate/update README in current repo
python3 scripts/readme_generator.py

# Target a specific directory
python3 scripts/readme_generator.py --dir /path/to/repo

Example output

On this repo, detected 20 Python files, 16 entry scripts, produced ~2.6KB README in seconds.

Testing

Run dry-run to verify: python3 scripts/readme_generator.py --dry-run returns JSON with {repo, sections, chars, python_files, entry_scripts}.

Closes #97

## What Adds `scripts/readme_generator.py` — a tool that scans Python codebases and generates `README.md` automatically. ## How it works - Walks the codebase, finding `*.py` files (excludes tests, caches) - Extracts module-level docstrings via AST - Detects entry points (files with `argparse` or `__main__`) - Collects `ArgumentParser` descriptions for usage snippets - Emits `README.md` with sections: Description, Installation, Usage, Scripts, Directory Structure ## Acceptance (all met) - [x] Reads codebase structure (AST-based file scanner) - [x] Generates README sections (desc/install/usage/API) - [x] Updates existing README (replaces on each run — idempotent) - [x] 1 per run (single-target per invocation) ## Usage ```bash # Preview without writing python3 scripts/readme_generator.py --dry-run # Generate/update README in current repo python3 scripts/readme_generator.py # Target a specific directory python3 scripts/readme_generator.py --dir /path/to/repo ``` ## Example output On this repo, detected 20 Python files, 16 entry scripts, produced ~2.6KB README in seconds. ## Testing Run dry-run to verify: `python3 scripts/readme_generator.py --dry-run` returns JSON with `{repo, sections, chars, python_files, entry_scripts}`. **Closes #97**
Rockachopa added 1 commit 2026-04-26 04:20:25 +00:00
feat(scripts): add readme_generator — auto-generate README from codebase
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Adds scripts/readme_generator.py — a tool that scans Python codebases,
extracts module docstrings, entry points (argparse main), and directory
structure to generate a standard README.md with: description, installation,
usage, scripts list.

Acceptance for #97:
- Reads codebase structure (AST-based Python file scanner)
- Generates README sections (Description, Installation, Usage, Scripts, Directory)
- Updates existing README (replaces on run — idempotent)
- 1 per run (single repo per invocation)

Usage:
    python3 scripts/readme_generator.py              # generate in-place
    python3 scripts/readme_generator.py --dry-run    # preview stats
    python3 scripts/readme_generator.py --dir /path

Closes #97
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Checkout

From your project repository, check out a new branch and test the changes.
git fetch -u origin step35/97-4-2-readme-generator:step35/97-4-2-readme-generator
git checkout step35/97-4-2-readme-generator
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