Inertiajs Adapter for Flask.
Project description
Installation
$ pip install flask-inertiaConfiguration
The module needs to be initialized the usual Flask way and can be configured using app.config keys:
from flask import Flask from flask_inertia import Inertia SECRET_KEY = "secret!" # mandatory key INERTIA_TEMPLATE = "base.html" app = Flask(__name__) app.config.from_object(__name__) inertia = Inertia() inertia.init_app(app) # or inertia = Inertia(app)
The config key INERTIA_TEMPLATE must be used to set globally the template used by flask_inertia to render the server responses. This template must exists in the Flask app templates folder.
Use
For more information about InertiaJS, please read the docs provided by Inertia.
Whereas the Rails and Laravel adapters use a middleware to manage Inertia’s requests, this module doesn’t. Once it has been initiliazed it will create before_request and after_request hooks for your app to handle InertiaJS frontend requests.
Your templates
You will need to setup the root template that will be loaded on the first page visit. It will be used to load your site assets (CSS and JavaScript), and will also contain a root <div> to boot your JavaScript application in.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<title>My app</title>
<link href="{{ url_for('static', filename='/css/app.css') }}" rel="stylesheet" />
<script lang="javascript">
{{ inertia.include_router() }}
</script>
</head>
<body>
<div id="app" data-page='{{ page | tojson }}'></div>
<script src="{{ url_for('static', filename='/js/app.js') }}" defer></script>
</body>
</html>Your root div must set a HTML data-page attribute. It will be used by Flask, using a Page JSON object to communicate with Inertia.
To facilitate the route path resolving, the module provide a template context method called inertia.include_router. It will expose the Flask views resolution (like the url_for method) to your frontend Components.
This method has been extracted to django-js-routes package and works the same way via a window.reverseUrl JavaScript method ( https://github.com/ellmetha/django-js-routes#usage).
Create responses
This module provides a method render_inertia to render your frontend component through Flask responses. It will wrap your Responses and act accordingly to Inertia requests context responding a full html or a JSON reponse. It will be used instead of Flask render_template method:
from flask_inertia import render_inertia
@app.route("/test_inertia/")
def test_inertia():
"""An endpoint to test inertia integration."""
data = {
"username": "foo",
"login": "bar",
}
return render_inertia(
component_name="Index",
props=data,
template_name="base.html",
)
This method take 2 arguments:
component_name: Your frontend component name (eg “Index” for an Index.vue Component for example)
props: [OPTIONAL] Data used by your component
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