#672 – MARCH 11, 2025
Bytes Objects: Handling Binary Data in Python
In this tutorial, you’ll learn about Python’s bytes objects, which help you process low-level binary data. You’ll explore how to create and manipulate byte sequences in Python and how to convert between bytes and strings. Additionally, you’ll practice this knowledge by coding a few fun examples.
REAL PYTHON
Python Interpreter Adds Tail Calls
As part of the on-going performance improvement work, Python 3.14 is likely to include an optimization known as a “tail call”. Submitted changes are showing a 10% general speedup for some architectures. Read this article to learn the details.
DAROC ALDEN
Ship Integrations With 300+ APIs
Nango is an open source platform that lets you ship robust native integrations with 300+ APIs. We offer hundreds of pre-built integrations, customizable in code, and developer tooling purpose built for scaling and maintaining integrations. For humans and AI agents. Try Nango for free →
NANGO INC. sponsor
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
Django Security Releases: 5.1.7, 5.0.13 and 4.2.20
DJANGO SOFTWARE FOUNDATION
Quiz: What Is the Python Global Interpreter Lock (GIL)?
REAL PYTHON
Articles & Tutorials
Python while Loops: Repeating Tasks Conditionally
In this tutorial, you’ll learn about indefinite iteration using the Python while loop. You’ll be able to construct basic and complex while loops, interrupt loop execution with break and continue, use the else clause with a while loop, and deal with infinite loops.
REAL PYTHON
Quiz: Python while Loops: Repeating Tasks Conditionally
REAL PYTHON
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
Working With Python Polars
Welcome to the world of Polars, a powerful DataFrame library for Python. In this video course, you’ll get a hands-on introduction to Polars’ core features and see why this library is catching so much buzz.
REAL PYTHON course
Beating LinkedIn “Queens” With Python
LinkedIn publishes a daily logic puzzle called “Queens” that is a cross between a chess queen placement puzzle and Sudoku. This article shows how to write a Python script to solve the puzzles.
RODRIGO GIRÃO SERRÃO
ASCII Control Characters in My Terminal
Ever wonder about those ASCII control characters in your terminal, like CTRL-C to kill a program? Well wonder no more, Julia breaks down what they are and how they can be used.
JULIA EVANS
A Map of Python
View an interactive graph of the packages at PyPI, showing how many packages depend on each. The post also briefly describes the methodology for producing the chart.
FIEFDOM OF FILES
Pokémon With Reinforcement Learning
David and his colleagues have been using reinforcement learning to beat “Pokemon Red”, a single player JPRG from 1996. Learn about how they did it and see the code.
RUBENSTEIN, ET AL
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
Projects & Code
codegen-sdk: Scriptable Interface to Tree-Sitter
GITHUB.COM/CODEGEN-SH
phmutest: Troubleshoot Python Examples in Markdown
GITHUB.COM/TMARKTAYLOR
Variable Explorer in JupyterLab
GITHUB.COM/MLJAR • Shared by Piotr Plonski
time-machine: Travel Through Time in Your Tests
GITHUB.COM/ADAMCHAINZ
SciencePlots: Matplotlib Styles for Scientific Plotting
GITHUB.COM/GARRETTJ403
Events
Weekly Real Python Office Hours Q&A (Virtual)
March 12, 2025
REALPYTHON.COM
Python Weekend Abuja
March 13, 2025
CODECAMPUS.COM.NG
Python Atlanta
March 13 to March 14, 2025
MEETUP.COM
Python Weekend Abuja
March 15, 2025
CODECAMPUS.COM.NG
Python Weekend Abuja
March 17, 2025
CODECAMPUS.COM.NG
Happy Pythoning!
This was PyCoder’s Weekly Issue #672.
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