Cross-Inertia

Build modern single-page apps with Python backends and React/Vue/Svelte frontends

Why Cross-Inertia?

🚀 Production Ready

Full implementation of the Inertia.js protocol including asset versioning, partial reloads, and history encryption.

⚡ Modern Stack

Works seamlessly with Vite, React, Vue, or Svelte. Hot module replacement in development, optimized builds for production.

🐍 Python Native

Built for FastAPI with plans for Flask, Django, and more. Type-safe API with full IDE support.

🧪 Well Tested

71% test coverage with 37 unit tests and 15 E2E tests. Tested on Python 3.10-3.14.

Features

✅ Full Inertia.js protocol support
✅ Vite integration (dev & production)
✅ Asset versioning for cache busting
✅ Partial reloads & shared data
✅ History encryption for sensitive data
✅ External redirects (OAuth, payments, etc.)
✅ TypeScript support

Quick Example

from fastapi import FastAPI
from inertia.fastapi import InertiaDep

app = FastAPI()

@app.get("/")
async def home(inertia: InertiaDep):
    return inertia.render("Home", {
        "message": "Hello from Inertia!"
    })

Framework Support

Framework	Status
FastAPI / Starlette	✅ Supported
Flask	🔜 Planned
Django	🔜 Planned

Getting Started

Ready to build your next app with Cross-Inertia? Check out our installation guide to get started!