JupyterLite

JupyterLite deployed as a static site

➡️ https://wxcuop.github.io/jupyterlite

➡️https://jupyterlite1.pages.dev/

➡️https://wxcuop.netlify.app/

Requirements

JupyterLite is being tested against modern web browsers:

• Firefox 90+
• Chromium 89+

Further Information and Updates

For more info, keep an eye on the JupyterLite documentation:

• How-to Guides: https://jupyterlite.readthedocs.io/en/latest/howto/index.html

• Reference: https://jupyterlite.readthedocs.io/en/latest/reference/index.html

• https://pyodide.org/en/0.27.0/usage/packages-in-pyodide.html

• https://www.bloomberg.com/company/stories/ipydatagrid-adds-interactive-data-grids-to-the-jupyter-ecosystem/

• https://github.com/innovationOUtside/ouseful_jupyterlite_utils/tree/main

• https://panel.holoviz.org/how_to/wasm/jupyterlite.html

• please note that the browser’s local storage has a limited capacity, and you might not be able to upload large files. But smaller files up to ~50MB should be fine.

• jupyterlite/jupyterlite#403

• https://github.com/koenvo/pyodide-http

• https://pyodide.org/en/stable/usage/loading-custom-python-code.html

• https://urllib3.readthedocs.io/en/stable/reference/contrib/emscripten.html

DuckDB limitations

• https://duckdb.org/2024/10/02/pyodide.html
• https://github.com/iqmo-org/magic_duckdb

Running in the browser is a more restrictive environment (for security purposes), so there are some limitations when using DuckDB in Pyodide. There is no free lunch!

Single-threaded Pyodide currently limits execution to a single thread A few extra steps to query remote files Remote files can't be accessed by DuckDB directly Instead, pull the files locally with Pyodide first DuckDB-Wasm has custom enhancements to make this possible, but these are not present in DuckDB's Python client

DuckDB limitations

No runtime-loaded extensions

Several extensions are automatically included: parquet, json, icu, tpcds, and tpch.

Release cadence aligned with Pyodide

At the time of writing, duckdb-pyodide is at 1.1.2

Working around CORS

• https://jarnaldich.me/blog/2023/01/29/jupyterlite-jsonp.html
• https://bartbroere.eu/2023/04/22/combining-cors-proxies-with-pyodide/
• https://jakearchibald.com/2021/cors/

CORS Proxy

• https://egghead.io/lessons/cloudflare-add-cors-headers-to-a-third-party-api-response-in-a-workers-api
• https://github.com/Zibri/cloudflare-cors-anywhere
• https://github.com/testcab/docker-cors-anywhere/tree/master
• https://github.com/wxcuop/corsproxy_cfworker/tree/main
• https://github.com/wxcuop/py_cors_proxy/tree/main