Third-party cyber evaluations involving OpenAI models
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Data Science
Simon Willison's Blog·May 30·5 min read
Running Python ASGI apps in the browser via Pyodide + a service worker
TL;DR
A limitation existed where JavaScript in <script> tags was not executed in a browser-based Python app, hindering functionality. Simon Willison developed a method to run Python ASGI (Asynchronous Server Gateway Interface) applications in the browser using Pyodide and Service Workers.
✦ Why It Matters
Engineers can now build more interactive web applications using Python without losing JavaScript functionality.
Key Takeaways
- Consider using Service Workers for better JavaScript support in web apps.
- Experiment with Pyodide to run Python in the browser.
- Check compatibility of your existing plugins with the new setup.
- Stay updated on future enhancements to Datasette Lite.
How It Works
By utilizing Service Workers, Datasette Lite can intercept network requests and manage them more effectively than Web Workers. This allows the application to execute JavaScript within <script> tags, which was previously restricted.
The integration of Pyodide enables Python code to run in the browser, leveraging WebAssembly for performance.