Generators: The unsung hero of Async programming

In this theater session from PyCon US 2025, Engineer Chris Anderson walks through Generators and how they are essential to building resiliant solutions with asynchronous programming, including a live demo of them in action using Azure Durable Functions. https://learn.microsoft.com/en-us/azure/azure-functions/durable/quickstart-python-vscode https://www.linkedin.com/in/crandycodes/ 00:00 — Intro: Generators and Durable Functions 00:40 — What Are Generators and Why Use Them 01:26 — Custom Range with Generator Example 02:06 — Infinite Generators and Cleanup with close() 03:27 — Sending Data into Generators with send() 04:47 — Using Generators for Async Task Scheduling 05:07 — Orchestration Pattern: A → B & C → D 05:45 — Simulating Failures in Orchestrated Tasks 06:33 — Improving Reliability with Durable Activities 07:43 — Centralizing Retry Logic in Orchestrator 08:42 — Generalizing Durable Activity Wrappers 09:54 — Restarting and Resuming Durable Orchestrations 10:49 — Externalizing State for Crash Recovery 11:20 — Scaling with Distributed Activity Execution 11:41 — Live Demo: Durable Functions in Action 12:43 — Triggering Durable Functions via HTTP 13:27 — Polling Function Status and Viewing Results 14:02 — Long-Running Tasks for Agentic Workflows 14:15 — Using MCP Triggers with Durable Functions 14:47 — Getting Started with Azure Durable Functions 15:00 — Is Azure Functions Open Source? 15:33 — Durable Functions Architecture and Extensions 16:22 — State Management and API Access 16:47 — Running Azure Functions on Kubernetes 17:40 — Database Compatibility and On-Prem Options