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I recently came to a decision which will have a big impact on my open source work. In particular Rich and Textual, but also pyfilesystem and lomond. For the foreseeable future, possibly up to a year, I'll be working on them essentially full time.

Rich is a very popular project now, with over 29K stars on Github. It has near 100% coverage and a stable API, but no codebase is ever really finished so there will be on-going work. Textual is Rich's sister project which is brand new and under active development, but already has 4.8K stars. It is also a much larger project than Rich. To do Textual justice I'm going to need to put in some serious time over and above what I could realistically do for a hobby project.

Some of the applications in the Textual examples directory continue reading…

I've recently released version 0.3.2 of Lomond, a WebSocket client for Python with a focus on correctness and ease-of-use.

The major feature of the 0.3 release is per-message compression, which allows for text and binary to be sent in compressed form.

Here's a modified version of the Bitcoin price ticker example which enables compression. This spews every trade made on the GDax platform:

Using the per-message compression extension to the WebSocket spec with Lomond.

That's a lot of data coming through the WebSocket, which fortunately compresses very well.

Also in this release are a number of optimisations to reduce cpu and memory usage.

Lomond is fast approaching a 1.0 release, but is already very stable. It is part of the open source software that powers Dataplicity.

WebSockets is a great technology with many applications beyond the front end. I have a feeling that websocket APIs will become far more common in the web ecosphere.

I really like this example of how to interact with a WebSockets api with just-released Lomond 0.1.5.

Get the code from Lomond repos on Github.

This connects to the gdax websocket server and periodically prints the latest BTC price information. If you change the text "ticker" to "level2" it will spew out information on every trade. You could use this as the foundation for algorithmic trading or to keep an eye on your retirement fund (good luck).

Lomond is a websocket client library sponsored by Dataplicity. It has a focus on robustness and ease of use. continue reading…

My name is Will McGugan, I am a freelance software developer, currently living in Edinburgh, Scotland (UK).

I specialise in writing software for the internet with Python; from web to websockets to custom protocols. I have many years experience using Django to build web applications, but my favourite framework is Moya (an open source web platform created by myself), which powers this blog. I'm a full-stack developer in that I actually enjoy working with HTML, CSS and JS as well as the back-end.

I am the author of Beginning Game Development with Python and Pygame

Here are some of my recent projects:

For a less career-oriented post, see /will-mcgugan/.

Do you need to contact me?

Follow @willmcgugan

A selfie taken June 2016