~pycoders | Issue #654 (Nov. 5, 2024) (37)

PySheets: Spreadsheets in the Browser Using PyScript What goes into building a spreadsheet application in Python that runs in the browser? How do you make it launch quickly, and where do you store the cells of data? This week on the show, we speak with Chris Laffra about his project, PySheets, and his book “Communication for Engineers.” REAL PYTHON podcast

Adding Keyboard Shortcuts to the Python REPL Python 3.13 included a new version of the REPL which has the ability to define keyboard shortcuts. This article shows you how to create one and warns you about potential hangups. TREY HUNNER

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Running a Million Empty Tests To better understand just where the performance cost of running tests comes from, Anders ran a million empty tests. This post talks about what he did and the final results. ANDERS HOVMOLLER

Move to Sigstore Complicates Linux Distros Currently, CPython signs its artifacts with both PGP and Sigstore. Removing the PGP signature has been proposed, but that has implications: Sigstore is still new enough that many Linux distributions don’t support it yet. JOE BROCKMEIER

Python’s Magic Methods in Classes In this video course, you’ll learn what magic methods are in Python, how they work, and how to use them in your custom classes to support powerful features in your object-oriented code. REAL PYTHON course

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Make It Ephemeral: Software Should Decay and Lose Data In the real world, things decay over time. In the digital world things get kept forever, and sometimes that shouldn’t be so. Designing for deletion is hard. ARMIN RONACHER

Python 3.13, t-Strings, Dep Groups… Bite code! does their monthly Python news wrap-up. Check out stories on 3.13, proposed template strings, dependency groups in pyproject.toml, and more. BITE CODE!

Identifying Products From Images This project uses computer vision solution to automate doing inventory of products in retail, using YOLOv8 and image embeddings for precise detection. ALBERT FERRÉ • Shared by Albert Ferré

Write More Pythonic Code With Context Managers Context managers enable you to create “template” code with initialization and clean up to make the code that uses them easier to read and understand. JUHA-MATTI SANTALA

Django Girls 10th Birthday! This post celebrating ten years of Django Girls talks about how it got started, what they’re hoping to do, and how you can get involved. DJANGO GIRLS

pytest Selection Arguments for Failing Tests This quick TIL post talks about five useful pytest options that let you control what tests to run with respect to failing tests. RODRIGO GIRÃO SERRÃO

Asyncio gather() Return Values This post shows you how to return values from coroutines that have been concurrently executed using asyncio.gather(). JASON BROWNLEE