o6-python — OPC UA for Python

o6-python is a high-performance Python library for OPC UA, built on top of open62541 — one of the most battle-tested open-source OPC UA stacks. It gives you a clean, Pythonic API for both client and server use cases, without sacrificing the reliability or speed of native C.

Key Features at a Glance

Where to Find What

Section	What you'll find
Quick Start	Install, connect to a server, read your first value
Client	Full client API guide — sessions, subscriptions, browsing, events
Server	Building an OPC UA server — nodes, variables, methods, namespaces
API Reference	Auto-generated reference for all public classes and functions
Core Concepts	OPC UA concepts explained: nodes, addresses, data types, security
Examples	Runnable code examples for common use cases