Question 1

How do I create a WebSocket server with Autobahn Python?

Accepted Answer

Extend the WebSocketServerProtocol class from autobahn.twisted.websocket or autobahn.asyncio.websocket, implement callback methods like onMessage, and add boilerplate code to run the server, as shown in the echo server example in the README.

Question 2

Autobahn Python vs Socket.IO: which is better for real-time apps?

Accepted Answer

Autobahn focuses on protocol standards with WAMP for structured RPC and Pub/Sub, while Socket.IO is more ecosystem-driven with fallbacks; choose Autobahn for strict WebSocket compliance and WAMP features, or Socket.IO for broader browser compatibility and simpler setup.

Question 3

Does Autobahn Python support Brotli compression for WebSocket?

Accepted Answer

Yes, via the optional 'compress' dependency ('pip install autobahn[compress]'), which includes Brotli with binary wheels for both CPython and PyPy, offering superior compression ratios as recommended in the documentation.

Question 4

What is WAMP and when should I use it over plain WebSocket?

Accepted Answer

WAMP adds structured messaging patterns like Remote Procedure Calls and Publish/Subscribe on top of WebSocket; use it for applications needing organized communication, such as IoT platforms or live dashboards, but stick to plain WebSocket for simpler bidirectional messaging.

Question 5

How to handle TLS/SSL encryption in Autobahn Python?

Accepted Answer

Install the 'encryption' optional dependency ('pip install autobahn[encryption]') for TLS support, then configure it in your WebSocket or WAMP client/server setup using the provided APIs, as detailed in the encryption and authentication sections.

Question 6

Can I use Autobahn Python with PyPy for better performance?

Accepted Answer

Yes, Autobahn is optimized for PyPy with CFFI-based extensions and binary wheels, leveraging PyPy's JIT compiler for improved speed in many cases, especially with pure Python serializers like u-msgpack-python.

autobahn-python

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