Other articles

1. Counting down Chinese New Year with Marimo

   I've been on vacation in China leading up the lunar new year and I'd rather not spend all my time researching some heavy topic. However, I thought I might instead spend a few minutes combining my previous posts on marimo notebooks and the Lunar calendar.

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2. Replacing tox with UV

   Recently I've been updating some of my libraries to Python 3.10+ after Python 3.9 has finally reached end of life.

   The upgrade to Python 3.10 is a relatively simple one, but I thought it be a good idea to run tests on different versions of Python.

   Existing …

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3. Webasgi - Run python web apps in a browser

   I recently published a project webasgi a static site allows you run FastAPI and other asgi apps (such as litestar) right in the browser.

   

   As you can imagine, Python web apps are not designed to run statically in the browser, and this project has been particularly challenging to me, in …

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4. Writing a SQS task framework from scratch

   Recently I've been working on framework to run LLM tasks using AWS's excellent SQS. And I made the decision to write my own task framework/library as opposed to using a pre-exiting framework. I thought this would be a great opportunity to discuss the considerations and levels of abstractions involved …

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5. Asyncio is neither fast nor slow

   Don't listen to random benchmarks..

   I recently came across an article benchmarking Python performances in web frameworks, comparing asyncio and sync performance.

   The author sets out to measure performance of FastAPI/Django web servers running with postgresql comparing async and non-async workloads. The methodology is pretty reasonable, the following is …

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6. I was wrong about Subinterpreters

   ... but that's actually a good thing

   I've already written a ton about subinterpreters since a year ago:

   • How good are sub-interpreters in Python now?
   • Python 3.14: State of free threading
   • Subinterpreters and Asyncio

   Recently I had some time to dig a bit deeper into subinterpreters and check my understanding …

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7. Trying out marimo notebooks

   As we approach the holiday seasons, we get to "enjoy" another 12 days of Advent of Code. Every year I try to do something a little different, last year I had a lot of fun solving it in Ocaml, prior years I've tried the latest Python features. This year I've …

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8. Fixing lazy imports: Generating Static Types Dynamically

   So I've just released a package called lazy-helper. This comes as lazy loading has been a hot topic once again due to the proposal PEP-810.

   Using my package we can define lazy loaded dependencies nicely:

   

   Coincidentally Brian Okken has recently written a blog post covering the topic of lazy loading …

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9. Python 3.14: 3 Asyncio Changes

   Python 3.14 was officially released on October 7th. There are a lot of new features and I've covered some of them before in:

   • Python 3.14: 3 smaller features
   • t-strings: the good and the ugly
   • Subinterpreters and Asyncio

   What I haven't covered here are any of the asyncio changes …

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