~pycoders | Issue #656 (Nov. 19, 2024) (32)

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 → TRUNK sponsor

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

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

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

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

PEP 761: Deprecating PGP Signatures for CPython Artifacts Since Python 3.11.0, CPython has provided two verifiable digital signatures for all CPython artifacts: PGP and Sigstore. This PEP proposes moving to Sigstore as the only way of signing artifacts. PYTHON.ORG

Accelerate Edge Devices With High-Performance AI Power Experience the power of Edge AI—delivering lightning-fast, real-time processing where it matters. Optimize your applications with low latency, high efficiency, and unparalleled accuracy. Push performance beyond limits with Intel’s OpenVINO toolkit. INTEL CORPORATION sponsor