Top Python Libraries

Top Python Libraries

Lona: The Pure Python Web Framework

Lona: Build Reactive Web Apps in Pure Python – Full-Stack Framework

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Meng Li
Jul 24, 2025
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LONA Tutorial - Create WEB HTML In Python

Lona is a "full-stack" framework for building responsive web applications with Python. Traditional Python web development handles 99% of backend work only, leaving you to handle frontend interactions with JavaScript yourself.

With Lona, you write frontend UI and interactive events in pure Python, seamlessly connecting backend and frontend, saving time and effort while reducing errors.

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What Lona Can Do for You

  • All-in-one: Server, browser-side protocols, event handling - everything is taken care of

  • Custom UI Components: Buttons, input fields, layouts, modals... Python objects become HTML elements

  • Real-time Interaction: Clicks, inputs, RPC, long polling - all easily handled with Python callbacks

  • Live Reload: Lightning-fast debugging with automatic page refresh after changes

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