HTML5 <canvas> based renderer for Matplotlib in Pyodide

Pyodide is a distribution of CPython for WebAssembly which was started by Michael Droettboom at Mozilla. Today, Pyodide is an independent open source project.

It not only provides support for calling JavaScript and web APIs from Python, but also brings the Python scientific stack to the browser as it includes the five most essential data science libraries –NumPy, Pandas, Matplotlib, scikit-learn, and Scipy.

In this post, we present a new backend for Matplotlib enabling the rendering of figures in the browser by leveraging the