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Pyodide: Bringing the scientific Python stack to the browser

Pyodide is an experimental project from Mozilla to create a full Python data science stack that runs entirely in the browser.

The impetus for Pyodide came from working on another Mozilla project, Iodide, which we presented in an earlier post. Iodide is a tool for data science experimentation and communication based on state-of-the-art web technologies. Notably, it’s designed to perform data science computation within the browser rather than on a remote kernel.

Unfortunately, the “language we all have” in the browser, JavaScript, doesn’t have a mature suite of data science libraries, and it’s missing a number of features that are useful for numerical computing, such as operator overloading. We still think it’s worthwhile to work on changing that and moving the JavaScript data science ecosystem forward. In the meantime, we’re also taking a shortcut: we’re meeting data scientists where they are by bringing the popular and mature Python scientific stack to the browser…