Publishing WASM Wheels to PyPI for Use with Pyodide
Simon Willison's Weblog7 hours agoTutorialPyodide 314.0 removes a long-standing distribution bottleneck by allowing WebAssembly-compiled Python wheels to be published directly to PyPI, so any package author can now distribute Pyodide-compatible packages without Pyodide team involvement. Previously, the team manually built and hosted over 300 packages. Simon Willison celebrated by publishing luau-wasm — a Lua-based scripting language compiled to WASM — using Codex with GPT-5.5 to automate the packaging workflow.
Office-open-xml-viewer: Office XML document viewer rendering to HTML Canvas
Hacker News (AI keywords)7 days agoNew Tooloffice-open-xml-viewer is an open-source browser viewer for Office Open XML documents, rendering DOCX, XLSX, and PPTX files to HTML Canvas. Its parsers are written in Rust and compiled to WebAssembly, while rendering uses the Canvas 2D API. The README also says the full codebase was implemented by Claude through iterative prompting, making it notable as an AI-assisted software development case.
micropython-wasm 0.1a0
Simon Willison's Weblog12 days agoReleaseSimon Willison released micropython-wasm 0.1a0, an alpha package described as his latest sandboxing experiment. It bundles a lightly customized WASM build of MicroPython with a wrapper for executing code through wasmtime. The post is brief, but relevant to developers tracking Python sandboxing, WebAssembly runtimes, and controlled execution environments.
Gradio-Lite：完全在瀏覽器中運行的無伺服器 Gradio★ 75
Hugging Face Blog969 days agoReleaseHugging Face has announced the launch of Gradio-Lite (@gradio/lite), a new library that enables Gradio applications to run entirely within the user's browser…