UPython 4

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📢 Update logs

📢 Local LLM example included.

UPython – Real-Time Python Integration for Unity

Seamlessly connect Unity and Python with power, speed, and full control.

UPython is a professional-grade Unity ↔ Python communication framework, built for developers who need real-time, bi-directional messaging, multi-client support, and custom backend logic. Whether you're building AI-powered games, VR/AR prototypes, data-driven simulations, or educational tools — UPython bridges the gap between Unity's rich 3D frontend and Python’s limitless ecosystem.

🚀 Key Features

• ⚡ Ultra-lightweight custom TCP protocol (no WebSocket overhead)
• 🧠 Supports script execution, file exchange, callback registration, and Python model inference
• 📡 Auto-discovery of Python servers in the LAN
• 🌐 Handles multiple Unity clients at the same time
• 🔌 Easily extend Python backend using simple decorators
• 🧱 Includes full-featured modular Python server and Project Settings UI
• 🧪 Comes with rich demo scenes for learning and prototyping
• 🛡️ Built-in auth_token for secured connections
• 🧩 Utility tools for Base64, Texture conversion, thread-safe callbacks, and more
• 🌐 Support LAN, VPN, and Public network (Public should support, but not tested yet).

🎯 Ideal For

• AI integration, data visualization, procedural content
• Multi-headset VR classrooms and research
• Indie tools, teaching platforms, and Unity editor extensions