Simon Willison’s Weblog

Hello, HPy (via) HPy provides a new way to write C extensions for Python in a way that is compatible with multiple Python implementations at once, including PyPy.

Posted 29th March 2021 at 2:40 pm

Recent articles

OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025
GPT-5.2 - 11th December 2025
Useful patterns for building HTML tools - 10th December 2025

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