Shortening developer's feedback loop
What’s a shared secret sauce for agile methodologies and developer’s productivity? If I was asked about one thing you have to optimise to make both agile methodologies and developer productivity w...
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Python's performance hasn't been a top priority. It's changing now
When I was a teenager who knew PHP basics, I wondered which programming language to learn next. After some hesitation, I chose Java. I bought a book and started writing simple programs with GUI. A...
Which library is the best for writing BDDs in Python & listening to your tests
pip install BDD? There are two popular libraries that help writing BDD specifications in Python - pytest-bddand behave. Both are popular, actively maintained and feature-complete. I worked with b...
Debunking myth "I can't properly test my project because it uses 3rd party API"
Welcome to the second post from the GRASP series. GRASP stands for General Responsibility Assignment Software Principles. It is a great aid for Object-Oriented Design (but not really exclusive for ...
Where to put all your utils in Python projects?
This is a follow-up post to Stop naming your Python modules "utils". This time, let's see different options on organizing utility code. What is utility code? It is code that is created as a si...
The disenchantment of Python web frameworks
tl;dr Popular Python web frameworks have less significant differences than it appears. Then, there's Django which makes all competition look micro. Even given the rising popularity of FastAPI, I st...
GRASP Controller pattern in Python
Welcome to the first post from the GRASP series. GRASP stands for General Responsibility Assignment Software Principles. It is a great aid for Object-Oriented Design (but not really exclusive for O...
Custom exceptions in Python - how and what for?
Exceptions are a standard way of signalling errors in Python. If you have ever written some code in this language, I bet you saw at least a couple of them. :) Python has quite a few built-in except...
Python Object-Oriented Programming fundamentals and the most common mistake
The problem One antipattern I see over and over again in OOP Python code (e.g. with service layers in Django) is mutating attributes from the outside of a given object: # more like pseudocode ...
Meet python-mockito and leave built-in mock & patch behind
Batteries included can give you headache unittest.mock.[Magic]Mock and unittest.patch are powerful utilities in the standard library that can help us in writing tests. Although it is easy to star...