PyScript wouldn’t be possible without building on top of a recent version of Pyodide—a CPython interpreter compiled with emscripten to WebAssembly, enabling Python to run in the browser.

PyScript lets you run Python scripts right in the browser, side by side with JavaScript, with two-way interaction between your code and the web page.

Anaconda, makers of the Python distribution for scientific computing, announced at PyCon US 2022 the PyScript project — an in-browser, single-include way to run Python scripts in HTML pages as ...

For similar reasons, he said Python probably doesn't have a future in the browser despite WebAssembly, a standard that is helping make more powerful applications on websites.

Even so, the Experimental - Python for the Web (Preview) extension in the VS Code Marketplace has been installed 283 times as of this writing (see screenshot above). The item description lists the ...

Playwright, a Python library, allows developers to essentially control the browser with a few lines of Python code to automate cross-browser testing for single-page web apps and Progressive Web Apps.

Learn the eight powerful Python web frameworks you can use to develop APIs now.

Jul 04, 2025 12:55:00 Mozilla releases 'Wasm agents' that allow AI agents to be run directly in the browser without the need to install extra apps, and uses WebAssembly to run Python-based agents ...