Huawei Cloud Developer Alliance

Nov 26, 2020 · Backend Development

How to Crawl Real-Time Data with Python WebSocket: A Step‑by‑Step Guide

This article explains how crawler engineers can fetch real‑time data such as sports scores, stock quotes, or cryptocurrency prices by comparing polling and WebSocket approaches, introducing the aiowebsocket library, and providing complete Python code to perform handshake, subscription, and continuous data streaming.