cpython-wasm wheel

Projects·library·Fable-5 evidence 88%

Redistributable Python wheel bundling full CPython in WebAssembly — a problem Simon Willison struggled with for months, completed by Fable 5 in one documented multi-prompt session.

Prompt provenance

multi-prompt-session

Signals

Pythoncreated 2026-06-09by simonw

Fable-5 attribution

Blog documents the full prompt sequence verbatim ('Clone simonw/micropython-wasm…', 'I want a wheel that has the whole system in it…'); 13.9 MB wheel resolves live. (88% confidence)