Have you ever wanted to share your cool Python app with the world without deploying an entire Django server or developing a mobile app just for a small project?

Good news, you don’t have to! All you need is to include a single JavaScript library to your HTML page and this will work even on mobile devices

Easy, right? This is made possible by WebAssembly (Wasm) and the Pyodide project.

So what can we actually do? Spoiler: With the power of Python and JS, we can do almost anything. But before getting into the details, let me first tell you a little story behind this writing.

I recently started a hobby project where I implemented image pixelation. I decided to write it in Python, as this language has a bunch of libraries for working with images. The problem was that I couldn’t easily share the app without developing an Android app or finding a hosting and deploying a Django or Flask server.

I’ve heard about WebAssembly before and have wanted to try it out for a long time. Searching the Internet for “webassembly python”, I immediately came across a link to an interesting article “Pyodide: Bringing the scientific Python stack to the browser”. Unfortunately, the article is mainly about the iodide project that is no longer in development and the documentation of Pyodide was sparse.

The idea to write this article came to me when I decided to contribute the project by improving its documentation after collecting the information about the API piece by piece and a number of experiments with code.

Here I would like to share my experience. I will also give more examples and discuss some issues.

#tech #python #webassembly