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How Python Asyncio Works: Recreating it from Scratch

jacobpadilla.com · 2,234 words · saved by 1 readers

Right now, asyncio is one of the trendier topics in Python, and rightfully so – It’s a great way to handle I/O-bound programs! When I was learning about asyncio, It took me a while to understand how it actually worked. But later, I came to find out that it’s basically just a really nice layer on top of Python Generators. In this article, I’m going to create a simplified version of asyncio using just Python generators. Then, I’m going to refactor the example to use the async and await keywords with the help of the __await__ dunder method before coming full circle and swapping out my version for the real asyncio. By building a simple version of asyncio, hopefully, by the end of this article, you’ll be able to get a better grasp of how it does its magic! If you're already familiar with generators skip this part, but if you aren't, it's what asyncio is built off of, so it's very important to understand how they work. First of all, the reason why generators are a thing is because they allow

How Python Asyncio Works: Recreating it from Scratch By Jacob Padilla Posted on May 6, 2024 Check out my new open source project SearchAI ! Right now, asyncio is one of the trendier topics in Python, and rightfully so – It’s a great way to handle I/O-bound programs! When I was learning about asyncio, It took me a while to understand how it actually worked. But later, I came to find out that it’s basically just a really nice layer on top of Python Generators. In this article, I’m going to create a simplified version of asyncio using just Python generators. Then, I’m going to refactor the exampl

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