Async IO in Python: A Complete Walkthrough

Hands-On Python 3 Concurrency With the asyncio Module

Chyld Medford
Chyld Medford 12 Lessons 1h 3m advanced python
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Learn how to speed up your Python 3 programs using concurrency and the new asyncio module in the standard library.

First, you’ll explore the key terms of parallel programming. Next, you’ll see step-by-step how to leverage concurrency and parallelism in your own programs, all the way to building a complete HTTP downloader example app using asyncio and aiohttp.

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Hands-On Python Concurrency With asyncio

12 Lessons 1h 3m

1. Python asyncio Course Intro and Overview 00:29

2. What Is Concurrency? 02:32

3. What Is asyncio? 05:02

4. asyncio Sample Project Setup 01:34

5. What Are Python Generators? 09:31

6. What Are Python Coroutines? 03:35

7. asyncio.sleep() and Writing Your First Coroutine 05:54

8. The asyncio Event Loop 08:43

9. Asynchronous Generators in Python 04:06

10. A Real-World asyncio Example 15:20

11. Making Parallel HTTP Requests With aiohttp 04:44

12. Python asyncio: Summary & Recap 01:43

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About Chyld Medford

Chyld Medford Chyld Medford

Chyld is an avid Pythonista and writes for Real Python. He teaches data science and full stack software engineering to companies around the world. He loves functional programming, linear algebra, all things linux, machine learning ... and Python!

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Each tutorial at Real Python is created by a team of developers so that it meets our high quality standards. The team members who worked on this tutorial are:

Dan Bader

Dan
Sadie Parker

Sadie
Tappan Moore

Tappan
Vuyisile Ndlovu

Vuyisile
Brad Solomon

Brad
David Amos

David
Joanna Jablonski

Joanna
Aldren Santos

Aldren

Participant Comments

mahlenius on June 30, 2020

Great job explaining this asycnio lib. Enjoyed the demos and actually typed along with them so I could try/tinker myself. The “real world” example at the end was very useful for me. Thanks!

dgoodson12722 on March 3, 2020

You are an awesome instructor with the gift of making asyncio seem easy! Please, do more videos like this, please!

Hilman on Feb. 8, 2020

Amazing, amazing, amazing! Thank you!

Miguel Garcia RP Team on Sept. 19, 2019

Awesome, very nice and clear explanations and examples. Thanks!

sion on April 23, 2019

This truly helped me understand asyncio. Also, I picked up tips along the way. Not least the presentation was excellent. Thank you.

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