8th January 2022
TIL
Writing pytest tests against tools written with argparse
— I usually build command-line tools using [Click](https://click.palletsprojects.com/) (and my [click-app](https://github.com/simonw/click-app) cookiecutter template), which includes a really nice [set of tools](https://click.palletsprojects.com/en/8.0.x/testing/) for writing tests.
Recent articles
- New release of LLM adds support for reasoning traces, OpenAI Responses, server-side tools, and smarter logging - 4th August 2026
- Stateless MCP has recaptured my interest (and inspired mcp-explorer and datasette-mcp) - 31st July 2026
- OpenAI’s accidental cyberattack against Hugging Face is science fiction that happened - 22nd July 2026