Integration of Hotwire's Turbo library with Flask.

Overview

turbo-flask

Integration of Hotwire's Turbo library with Flask, to allow you to create applications that look and feel like single-page apps without using JavaScript.

Todo App Demo

How to Install

pip install turbo-flask

How to Add to your Project

Direct initialization:

from flask import Flask
from turbo_flask import Turbo

app = Flask(__name__)
turbo = Turbo(app)

Factory function initialization:

from flask import Flask
from turbo_flask import Turbo

turbo = Turbo()

def create_app():
    app = Flask(__name__)
    turbo.init_app(app)

    return app

To add Turbo-Flask to your pages, include {{ turbo() }} in the element of your main Jinja template:

>
<html>
  <head>
    {{ turbo() }}
  head>
  <body>
    ...
  body>
html>

How to Use

See the turbo.js documentation to learn how to take advantage of this library.

If you decide to use the Turbo Streams feature, this extension has helper functions to generate the correct Flask responses. Here is an example with a single streamed response:

    if turbo.can_stream():
        return turbo.stream(
            turbo.append(render_template('_todo.html', todo=todo), target='todos'),
        )
    else:
        return render_template('index.html', todos=todos)

And here is another with a list of them:

    if turbo.can_stream():
        return turbo.stream([
            turbo.append(render_template('_todo.html', todo=todo), target='todos'),
            turbo.update(render_template('_todo_input.html'), target='form')
        ])
    else:
        return render_template('index.html', todos=todos)

WebSocket Streaming

This feature of turbo.js has not been implemented at this time.

Owner
Miguel Grinberg
Miguel Grinberg
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