dazzler 0.4.0

Async Web Framework

Dazzler

Dazzler is a Python (>=3.6) async web framework. Create dazzling fast pages with a layout of python components and bindings to update from the backend.

Install

Install with pip: $ pip install dazzler

Features

• Fast WebSocket based communication, deliver updates in realtime to thousands of connected clients at once.
• Lightweight bundles for fast initial page load.
• Support for third party integrations via middlewares.
• Session & authentication systems.
• No HTML/CSS/JS knowledge required, write everything with Python.
• Multi page based.
• Hot reload.
• Tons of components.

Basic example

Create a page with a layout and assign a binding to set the output component children when clicked on.

from dazzler import Dazzler
from dazzler.system import Page, Trigger, BindingContext
from dazzler.components import core

app = Dazzler(__name__)
page = Page(
    'my-page',
    core.Container([
        core.Html('H2', 'My dazzler page'),
        core.Input(identity='input', placeholder='Enter name'),
        core.Button('Click me', identity='click-me'),
        core.Container(identity='output')
    ])
)
app.add_page(page)


@page.bind(Trigger('click-me', 'clicks'))
async def on_click(context: BindingContext):
    name = await context.get_aspect('input', 'value')
    await context.set_aspect(
        'output', children=f'Hello {name}'
    )


if __name__ == '__main__':
    app.start()

Documentation

Full documentation hosted on readthedocs.

Get help for the command line tools: $ dazzler --help