v2.0 — New Styling System

Build stunning apps
in Pure Python

Zero JavaScript. Zero CSS files. Just Python.
Ship beautiful, reactive web apps at the speed of thought.

app.py

import violit as vl

def main():
    app = vl.App(title="My App")

    app.text("Hello, Violit!")

    with app.card():
        count = app.state(0)
        app.button("Click", on_click=lambda: count.set(count.value + 1))
        app.text(count)  # Reactive!

    app.run()

Features

Everything you need

Production-ready features, zero configuration required.

New in v2.0

Style any widget, your way

cls, style, add_css(), configure_widget() — all on every widget.

Live Demo

Try it yourself

Reactive state, instant updates, no page reload.

Reactive Counter

CURRENT COUNT

− Decrease

+ Increase

count = app.state(0)
app.text(count)  # Auto-updates!

def inc(): count.set(count.value + 1)
app.button("+", on_click=inc)

Live Calculator

Drag the sliders — the result updates instantly.

TOTAL

30 + 70 = 100

a = app.slider("Value A", 0, 100, 30)
b = app.slider("Value B", 0, 100, 70)

# Combine states and strings directly
app.text(a + " + " + b + " = " + (a + b))

Dynamic Greeting

👋 Hello, Developer!

Welcome to Violit Framework

name = app.text_input("Your name", value="Developer")

# Use lambda for complex HTML interpolation
app.html(lambda: f'''
    <div style="font-size: 2.5rem; font-weight: 700;">
        👋 Hello, <span style="background: linear-gradient(135deg, #ec4899, #f97316);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;">
            {name.value}
        </span>!
    </div>
''')

Built for developers

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Get started in minutes. No build step, no configuration.
Just Python.

Violit

Build beautiful web apps in Pure Python.
Open source. MIT License.

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