WASM Overview

[michaelweinold]

Demos

EuroSciPy 2022
Emscripten Forge readthedocs.org (compare source code)

Options

Underlying Infrastructure: JupyterLite

🗞️ JupyterLite Changelog

Option 1: Pyodide ("monolythic distruction")

📚 Pyodide readthedocs.org
📦 Pyodide Packages
🗞️ Pyodide Changelog

While Pyodide provides many scientific computing packages, its monolithic distribution model does not allow to specify package versions - Blog Post

Option 2: XEUS Python Kernel + Empscripten-Forge (conda-forge-like distribution channel)

📚 Empscripten Forge readthedocs.org (currently not indexed?)
📦 Emscripten Forge Packages
🗞️ XEUS Python Kernel for JupyterLite Changelog

Events

EuroSciPy 2022 (Basel)

Interactive Data Science in the browser with JupyterLite and Emscripten Forge

JupyterCon 2023 (Paris)

Xeus kernels in the browser
Creating interactive Jupyter websites with JupyterLite

PyCon 2023 (Berlin)

Create interactive Jupyter websites with JupyterLite

EuroSciPy 2023 (Basel)

• add event links here

[michaelweinold]

Other Options and Developments

Conda

• Adding a WebAssembly platform conda/conda#7619
• add emscripten-32 platform support conda/conda#12503
• Add emscripten-wasm32 and wasi-wasm32 support conda/conda-build#4813

PyPi

• Support WASM wheels on PyPI

[michaelweinold]

https://discuss.python.org/c/webassembly/28

[michaelweinold]

Architecture Overview

element	description	comment	stats
Jupyter Lite	none	none
XEUS Python	none	none

[michaelweinold]

Current Projects offering Python-in-the-Browser

Good current overview at Why not use existing projects? (Basthon Project)

[michaelweinold]

Storage

• JupyterLite: Browser Storage Drivers
• Emscripten: File System API

Related Issues

• Switch to Contents.IDrive for the JupyterLite in-browser contents manager jupyterlite/jupyterlite#1041
• Error when trying to use sqlite3 jupyterlite/pyodide-kernel#35