Simon Willison’s Weblog

Hello JS-CTYPES, Goodbye Binary Components. Mark Finkle is porting Python’s ctypes functionality to the Mozilla platform, to allow binary XPCOM components to be defined in pure JavaScript.

Posted 22nd September 2007 at 11:57 pm

Recent articles

My answers to the questions I posed about porting open source code with LLMs - 11th January 2026
Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026
LLM predictions for 2026, shared with Oxide and Friends - 8th January 2026

ctypes 8 javascript 732 mark-finkle 2 mozilla 114 python 1220 xpcom 1

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