~pycoders | Bookmarks (433)

The Boolean Trap Often when using a Boolean in an API you are making the API harder to understand. This post explains why most of the time you should use enums instead. ENGINEER’S CODEX

Python Textual: Build Beautiful UIs in the Terminal Textual is a Python library for building text-based user interfaces (TUIs) that support rich text, advanced layouts, and event-driven interactivity in the terminal. This tutorial showcases some of the ways you can design an appealing and engaging UI using Textual. REAL PYTHON

Binary Search as a Bidirectional Generator Python generators support a .send() method, allowing you to receive data within the generator itself. This post talks about how to use this to implement a binary search algorithm. RODRIGO GIRÃO SERRÃO

Providing Multiple Constructors in Your Python Classes In this step-by-step tutorial, you’ll learn how to provide multiple constructors in your Python classes. To this end, you’ll learn different techniques, such as checking argument types, using default argument values, writing class methods, and implementing single-dispatch methods. REAL PYTHON

Getting to Know Duck Typing in Python In this video course, you’ll learn about duck typing in Python—a type system based on an object’s behavior rather than inheritance. By taking advantage of duck typing, you can create flexible and decoupled sets of Python classes that work together or independently. REAL PYTHON course

Build a Dice-Rolling Application With Python In this step-by-step project, you’ll build a dice-rolling simulator app with a minimal text-based user interface using Python. The app will simulate the rolling of up to six dice. Each individual die will have six sides. REAL PYTHON

Sustainable Coding: How Do I Apply It as a Cloud Engineer? Choices we make as programmers effect the amount of processing power required in production and ultimately that has a carbon cost. Ed’s post talks about how he thinks about this larger picture. ED CREWE

Font Ligatures for Your Code Editor and Terminal A font ligature combines two characters into a single rendering, allowing “>=” to look like a single symbol. This article shows you how you can do this with common terminals and editors. MIGUEL GRINBERG

Python Discord 2024 Survey Report The Python Discord server does an annual survey. This page is a giant notebook showing the results for the last four years along with the code that generates the corresponding graphs. PYTHON DISCORD

Exploiting Python Pickles Python has a built-in mechanism for serializing and deserializing objects known as “pickling”. It comes with the caveat that you should never use it with untrusted data, it can lead to remote code execution. DAVID HAMANN

Positron is Now Available for Beta Testing Positron is a next-gen data science IDE built by Posit PBC. It’s an extensible tool for writing python & exploring data, designed for reproducible research & publishing. Consider trying Positron & offering the devs feedback in this beta period. POSIT sponsor

Maybe Don’t Start With Unit Tests Should you always start testing your code with unit tests? When does it make sense to look at integration or end-to-end testing as a first step instead? This week on the show, we speak with previous guest Eric Matthes about where to begin testing your code. REAL PYTHON podcast

Open Graph Images in Django for Social Media The Open Graph protocol specifies metadata for a webpage that gives third party sites information about the page. The most common use is to provide a preview image for social media sites. This post explains how to combine this into your Django projects. AIDAS BENDORAITIS

Good Programmers Worry About Data Structures and Their Relationships This opinion piece discusses a quote from Linus Torvalds, that good programmers worry about data structures and their relationships. LEONARDO CREED

Which Python GUI Library Should You Use in 2025? This post compares the Python GUI libraries available in 2025, including PyQT, PySide, TKinter, and Kivy. MARTIN FITZPATRICK