Have you ever seen the typing.overload decorator in the wild and wondered what it's actually for?

I wrote a short blog post explaining the problem it solves and how to use it in practice. 🐍

https://borutzki.github.io/2026/02/07/how-to-use-overloaded-signatures-in-python.html

#Python #programming #DailyPythonista

Debugger is fun and stuff but sometimes it's just faster to dump Django ORM data to a JSON, skim through it, apply fixes and forget about the topic.

Here's how to do that programmatically, e.g. during TestCase execution.

#Django #Python #programming #DailyPythonista #TDD

https://borutzki.github.io/2026/01/25/how-to-dump-django-orm-data-to-json-while-debugging.html

What if I told you that the following way of taking the second object from a Django `QuerySet` might be unreliable and can lead to non-deterministic failures under some circumstances?

And if you think it's a bad idea whatsoever - can you explain why?

Take a look on my recent blog post for more details: https://borutzki.github.io/2026/01/19/why-using-n-on-a-django-queryset-can-be-unsafe.html

#Django #Python #DailyPythonista #programming #ORM

Ever wondered how to parametrize exception testing in PyTest?

Try this:
https://borutzki.github.io/2026/01/15/how-to-parametrize-exception-testing-in-pytest.html

#DailyPythonista #python #programming #Pytest #TDD #unittest

Out of nowhere I decided to describe briefly my approach to reuse model_validator (and any other validator) across multiple #Pydantic models.

Code snippet from image should do the job, full context is in the linked blog post.

https://borutzki.github.io/2025/12/22/how-to-reuse-pydantic-model_validator-across-multiple-models-without-boilerplate-code.html

#Python #DailyPythonista #programming

Ever needed to check for root / admin privileges to make sure your Python script can work correctly?

In my last blog post, I provide you with approach for Linux, macOS and Windows to get this stuff done.

Happy hacking 🐍

#DailyPythonista #Python #programming
https://borutzki.github.io/2025/10/16/how-to-check-whether-python-script-has-elevated-privileges.html

Writing a technical article - even very subjective one - is quite a lot of work, if one wants to cover the topic well and at the same point not write a book on it in one go.

Just wanted to say that after a writing session.

Used a bunch of guard clauses (https://refactoring.guru/pl/replace-nested-conditional-with-guard-clauses) in text to state what the article is NOT about, to not waste my readers' computing power on reading something they're not interested in 😅

Still, it's work in progress. Until next time!
#DailyPythonista

Finally, started working on a separate blog dedicated to technical stuff like #Python, #Django, #Pydantic, #GitLab, #Docker, #RobotFramework and so on.

In this first post I introduce myself and the purpose of the blog, then proceed to a bunch of quick examples of printing "hello world" in Python.

Even if you're not interested - come and see how to add padding to printed string in Python 🐍

#DailyPythonista

https://borutzki.github.io/2025/10/03/hello-world.html

Finished reading "Working Effectively with Legacy Code" by Michael Feathers.

Even though some information from the book was useful, I feel like techniques proposed there don't stand up to current test frameworks with mocking systems.

Hence, most of the tips are not relevant in #Python world.

I liked though was the angle author took on encapsulation and component boundaries, though.

Have you read the book? What did you like (or not) about it?

#DailyPythonista #coding #programming #bookstodon

If you want to hear me talking about bad #RobotFramework practices and how to mitigate their outcomes, sign up for #Wrobocon conference happening October 23rd 🤖

Image below comes from the official announcement from LinkedIn, hopefully no one will get angry for posting it here 😬

Conference web page: https://wrobocon.eu/
LinkedIn announcement: https://www.linkedin.com/posts/wrobocon2025_speaker-announcement-python-activity-7363941414872756224-6VN1

#DailyPythonista #Python #TestAutomation