Posts tagged "python"

Python 3.7 introduced dataclasses, which design is based on the "attrs" library. This article will show the way I use dataclasses and attrs, why I think you should use both, and why I think attrs is still very relevant.

It is often necessary to differentiate between an argument that has not been provided, and an argument provided with the value `None`. For that purpose, we create what's called a 'sentinel value'.

In this post, you will learn how to create a Celery task inside a Django project in a Docker container. Sounds awesome, right?

More and more often, we see schema designs that use UUIDs as primary keys. That's a valid choice if you're concerned about sharding and partitioning your database, but it has its own drawbacks, sometimes in unexpected places.

Lacey didn't have the opportunity to work with Docker at her last job. In this tidbit she steps you through getting started with Docker for Django developers.

Sometimes you just need to run a command on a remote host with ssh and Python 3 without any real fuss. Here is the simplest way we have found to do that and retrieve the output. 

Python's atexit handler is one of those things people should use more often.  Some developers aren't even aware that it exists and that makes me sad. 

Getting your configuration from the system environment for your Python and/or Django apps is often the best way to provide security and flexibility. envparse makes it easy. 

Have a URL but can't figure out what view it is supposed to use? Use resolve() to easily and quickly determine it just as Django does.

You can use a variable to set the name of the template you are extending when using Django templates.