Real-Time in a Multi-Region Video Platform When a viral news clip appears in the UAE or a Danish documentary breaks into Nordic trending charts, TrendVidStream users should see it instantly. A Python WebSocket server bridges the gap between the PHP cron fetcher and the browser. Architecture PHP Cron Fetcher ──→ Redis Pub/Sub ──→ Python WS Server ──→ Browser clients (8 regions) (one channel per region) (filtered by locale) Enter fullscreen mode Exit fullscreen mode Python WebSocket Server pip install websockets redis asyncio Enter fullscreen mode Exit fullscreen mode import asyncio import json import logging import urllib.parse import redis.asyncio as aioredis import websockets from websockets.server import WebSocketServerProtocol logger = logging . getLogger ( __name__ ) logging . basicConfig ( level = logging . INFO ) region_clients : dict [ str , set [ WebSocketServerProtocol ]] = {} async def broadcast_to_region ( region : str , message : str ) -> None : clients = region_clients .…