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Debugging TUIs, Dictionary Comprehensions, Puzzles, and More

#656 – NOVEMBER 19, 2024 VIEW IN BROWSER
The PyCoder’s Weekly Logo
How to Debug Your Textual Application
TUI applications require a full terminal which most IDEs don’t implement. To make matters more complicated, TUIs use the same calls that many command line debuggers use, making it hard to deal with breakpoints. This article teaches you how to debug a Textual TUI program.
MIKE DRISCOLL

Dictionary Comprehensions: How and When to Use Them
In this tutorial, you’ll learn how to write dictionary comprehensions in Python. You’ll also explore the most common use cases for dictionary comprehensions and learn about some bad practices that you should avoid when using them in your code.
REAL PYTHON

What We Learned From Analyzing 20.2 Million CI Jobs
The Trunk Flaky Test public beta is open! You can now detect, quarantine, and eliminate flaky tests from your codebase. Discover insights from our analysis of 20.2 million CI jobs and see how Trunk can unblock pipelines and stop reruns. Access is free. Check out our getting started guide here →
TRUNKsponsor

Python Puzzles
A collection of Python puzzles. You are given a test file, and should write an implementation that passes the tests. All done in your browser.
GPTENGINEER.RUN

Announcing DjangoCon Europe 2025 in Dublin, Ireland
DJANGO SOFTWARE FOUNDATION

Flask 3.1 Released
PALLETSPROJECTS.COM

Quiz: Basic Input and Output in Python
REAL PYTHON

PEP 761: Deprecating PGP Signatures for CPython Artifacts (Approved)
PYTHON.ORG

Quiz: Using .__repr__() vs .__str__() in Python
REAL PYTHON


Discussions


Andrej Karpathy on Learning
Entertainment-based content may appear educational, but it is not effective for learning. To truly learn, one should seek out long-form, challenging content that requires effort and engagement. Educators should prioritize creating meaningful, in-depth content that fosters deep learning.
X.COM

Ideas: Turn shutil Into a Runnable Module
PYTHON.ORG


Articles & Tutorials


Maintaining the Foundations of Python & Cautionary Tales
How do you build a sustainable open-source project and community? What lessons can be learned from Python’s history and the current mess that the WordPress community is going through? This week on the show, we speak with Paul Everitt from JetBrains about navigating open-source funding and the start of the Python Software Foundation.
REAL PYTHON podcast

The Practical Guide to Scaling Django
Most Django scaling guides focus on theoretical maximums. But real scaling isn’t about handling hypothetical millions of users - it’s about systematically eliminating bottlenecks as you grow. Here’s how to do it right, based on patterns that work in production.
ANDREW

Build Your Own AI Assistant with Edge AI
Simplify workloads and elevate customer service. Build customized AI assistants that respond to voice prompts with powerful language and comprehension capabilities. Personalized AI assistance based on your unique needs with Intel’s OpenVINO toolkit.
INTEL CORPORATIONsponsor

The Polars vs pandas Difference Nobody Is Talking About
When people compare pandas and Polars, they usually bring up topics such as lazy execution, Rust, null values, multithreading, and quey optimisation. Yet there’s one innovation which people often overlook: non-elementary group-by aggregations.
MARCO GORELLI • Shared by Marco Gorelli

PyPI Introduces Digital Attestations to Strengthen Security
PyPI now supports digital attestations. This feature lets Python package maintainers verify the authenticity and integrity of their uploads with cryptographically verifiable attestations, adding an extra layer of security and trust.
SARAH GOODING • Shared by Sarah Gooding

Django’s Technical Governance Challenges, and Opportunities
On October 29th, two DSF steering council members resigned, triggering an election earlier than planned. This note explains what that means and how you can get involved.
DJANGO SOFTWARE FOUNDATION

We’ve Moved to Hetzner
This post from Michael Kennedy talks about moving Talk Python’s hosting environment from Digital Ocean to Hetzner. It details everything involved in a move like this.
TALK PYTHON

Formatting Floats Inside Python F-Strings
In this video course, you’ll learn how to use Python format specifiers within an f-string to allow you to neatly format a float to your required precision.
REAL PYTHON course

Package Compatibility With Free-Threading and Subinterpreters
This tracker tests the compatibility of the 500 most popular packages with Python 3.13’s free-threading and subinterpreter features.
PYTHON.TIPS • Shared by Vita Midori


Projects & Code


Brought to you by Real Python for Teamssponsor
Online Python training created by a community of experts. Give your team the real-world Python skills they need to succeed →

chonkie: CHONK Your Texts With Chonkie
GITHUB.COM/BHAVNICKSM

seqlogic: Sequential Logic Simulator
GITHUB.COM/CJDRAKE

venvstacks: Virtual Environment Stacks for Python
GITHUB.COM/LMSTUDIO-AI

terminal-tree: Experimental Filesystem Navigator in Textual
GITHUB.COM/WILLMCGUGAN

chdb: An in-Process OLAP SQL Engine
GITHUB.COM/CHDB-IO

📆🐍 Upcoming Python Events


Weekly Real Python Office Hours Q&A (Virtual)
 November 20, 2024

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 November 21, 2024

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 November 21, 2024

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 November 22 to November 27, 2024

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 November 25 to December 1, 2024

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 November 25, 2024

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 November 30 to December 1, 2024
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Web Scraping Tips, Python 3.13 Performance Boosts, Writing Interpreters & More

Tuesday, November 12, 2024

Introduction to Web Scraping With Python #655 – NOVEMBER 12, 2024 VIEW IN BROWSER The PyCoder's Weekly Logo Introduction to Web Scraping With Python In this video course, you'll learn all about

PySheets, REPL Shortcuts, Empty Tests, and More

Tuesday, November 5, 2024

PySheets: Spreadsheets in the Browser Using PyScript #654 – NOVEMBER 5, 2024 VIEW IN BROWSER The PyCoder's Weekly Logo PySheets: Spreadsheets in the Browser Using PyScript What goes into building a

Sudoko in Packaging, Thread Safety, Sigstore, and More

Tuesday, October 29, 2024

Sudoku in Python Packaging #653 – OCTOBER 29, 2024 VIEW IN BROWSER The PyCoder's Weekly Logo Sudoku in Python Packaging Simon writes about a Soduku solver written by Konstin that uses the Python

Unlock Python's Pattern Matching, Combinatoric Iterators, SSH Scripting, and More

Tuesday, October 22, 2024

Structural Pattern Matching in Python #652 – OCTOBER 22, 2024 VIEW IN BROWSER The PyCoder's Weekly Logo Structural Pattern Matching in Python In this tutorial, you'll learn how to harness the

Lots of PEPs, More Py3.13, HPy, and More

Sunday, October 20, 2024

Exploring the New Features of Python 3.13 #651 – OCTOBER 15, 2024 VIEW IN BROWSER The PyCoder's Weekly Logo Exploring the New Features of Python 3.13 Python 3.13 is here! Our regular guests, Geir

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