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NyanCAD Server

NyanCAD Server is a Python package that provides an ASGI server for hosting NyanCAD applications with marimo notebook integration.

Features

  • Serves NyanCAD static files (HTML, CSS, JavaScript, assets) at the root path
  • Integrates marimo notebook server at /notebook/ endpoint
  • Bundles all static assets in the wheel for easy deployment
  • Simple command-line interface for starting the server
  • Development mode with auto-reload support

Installation

pip install nyancad-server

Usage

Command Line

Start the server with default settings (localhost:8080):

nyancad-server

Custom host and port:

nyancad-server --host 0.0.0.0 --port 3000

Development mode with auto-reload:

nyancad-server --reload

Programmatic Usage

from nyancad_server.server import create_app
import uvicorn

app = create_app()
uvicorn.run(app, host="localhost", port=8080)

Server Endpoints

  • / - NyanCAD web interface (static files)
  • /css/, /js/, /library/, etc. - Static assets
  • /wheels/ - Python wheels (including nyancad package)
  • /notebook/ - Marimo notebook interface

Architecture

The server creates a Starlette ASGI application that:

  1. Static Files: Serves the entire public/ folder contents at the root path using Starlette's StaticFiles
  2. Marimo Integration: Mounts a marimo ASGI app at /notebook/ that hosts the NyanCAD notebook
  3. Asset Bundling: All static files and the notebook are bundled into the wheel during package build

This mirrors the existing WASM setup where users can access the main interface at / and the notebook at /notebook/, but replaces the WASM notebook with a full marimo server.

Development

The server includes fallback logic to work in development mode by looking for files relative to the source code when bundled assets are not available.

Requirements

  • Python 3.8+

  • marimo >= 0.13.0

  • uvicorn[standard] >= 0.23.0

  • nyancad >= 0.1.0

License

This project is licensed under the Mozilla Public License 2.0 (MPL-2.0).

Metadata

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