Asyncio Advanced Patterns (2026)

Modern Python asyncio patterns using structured concurrency, TaskGroup, and Python 3.11+ features.

Overview

• Implementing concurrent HTTP requests or database queries
• Building async services with proper cancellation handling
• Managing multiple concurrent tasks with error propagation
• Rate limiting async operations with semaphores
• Bridging sync code to async contexts

Quick Reference

TaskGroup (Replaces gather)

import asyncio