Refast
Python + React UI Framework for Building Reactive Web Applications
Refast is a framework that enables building reactive web applications with Python-first development. It uses FastAPI for the backend and React with shadcn/ui for the frontend.
Features
- Python-First Development: Build your UI logic entirely in Python
- Reactive Components: Real-time updates via WebSocket
- shadcn/ui Integration: Beautiful, accessible components out of the box
- FastAPI Integration: Plug into any existing FastAPI application
- Type Safety: Full type hints and Pydantic validation throughout
Installation
pip install refast
Quick Start
from refast import RefastApp, Context
ui = RefastApp(title="My App")
@ui.page("/")
def home(ctx: Context):
return Container(
Text("Hello, World!"),
Button("Click me", on_click=ctx.callback(handle_click))
)
async def handle_click(ctx: Context):
await ctx.show_toast("Button clicked!")
# Mount to FastAPI
from fastapi import FastAPI
app = FastAPI()
app.include_router(ui.router, prefix="/ui")
Development
# Install with dev dependencies
pip install -e ".[dev]"
# Run tests
pytest tests/
# Run linting
ruff check src/
License
MIT
1 maintainer
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