~pycoders | Issue #646 (Sept. 10, 2024) (30)

Using Pydantic to Simplify Python Data Validation Discover the power of Pydantic, Python’s most popular data parsing, validation, and serialization library. In this hands-on video course, you’ll learn how to make your code more robust, trustworthy, and easier to debug with Pydantic. REAL PYTHON course

Introducing Monthly PSF Board Office Hours The PSF is introducing monthly office hours on the PSF Discord discussion board. This is a chance to connect with the board members and learn more about what they do. The schedule for the next 12 sessions is in the post. PYTHON SOFTWARE FOUNDATION

Why I’m Switching From pandas to Polars Ari is switching from pandas to Polars and surprisingly (even to himself) it isn’t because of the better performance. Read on for the reasons why. ARI LAMSTEIN

How to Create a Pre-Commit Hook Pre-commit hooks are a great way to help maintain code quality. However, some of your code quality standards may be specific to your project, and therefore, not covered by existing code linting and formatting tools. In this article, Stefanie shows you how to incorporate custom checks into your pre-commit setup. STEFANIEMOLIN.COM • Shared by Stefanie Molin

Debugging With Trace and PYREPL_TRACE Just how does one debug the tool one is using to find bugs? Python 3.13’s new REPL is implemented in Python and adding print statements means you get output in your output. This quick post talks about the environment variable PYREPL_TRACE and how to use it to capture debug information. RODRIGO GIRÃO SERRÃO

Evolving Django’s auth.User Carlton has some strong opinions on how Django manages usernames and custom users through auth.User and how the current solution is daunting to folks new to Django. This article dives into why the current approach might be problematic and what could be done. CARLTON GIBSON

Please Don’t Hijack My Python Root Logger Redowan keeps running into code that mucks with the root logger’s settings, which leaks into his own code. This post explains the problem and how to make sure you aren’t doing it in your own libraries. REDOWAN DELOWAR

Polars Has a New Lightweight Plotting Backend Polars 1.6 allows you to natively create beautiful plots without pandas, NumPy, or PyArrow. This is enabled by Narwhals, a lightweight compatibility layer between dataframe libraries. POLA.RS • Shared by Marco Gorelli

Why I Still Use Python Virtual Environments in Docker Hynek often gets challenged when he suggests the use of virtual environments within Docker containers, and this post explains why he still does. HYNEK SCHLAWACK

Web Scraping With Scrapy and MongoDB This tutorial covers how to write a Python web crawler using Scrapy to scrape and parse data, and then store the data in MongoDB. REAL PYTHON

Escaping From Anaconda’s Stranglehold on macOS Once you’ve got Anaconda on macOS, using any other Python can be problematic. This article walks you through escaping Anaconda. PAUL ROMER

I Will F(l)ail at Your Tech Interviews Frak talks about how technical interviews often have false negatives and how this impacts your organization. FRAK LOPEZ

PyCon Latam 2024, Mazatlán, México September 19 to September 22, 2024 PYLATAM.ORG • Shared by David Sol

500 Devs, Deploying 200x a Day, While Maintaining 4 Million Lines of Code 😮‍💨 Sounds tricky right? Well that’s exactly what Kraken Technologies is doing. Learn how they manage 100s of deployments a day and how they handle errors when they crop up. Sneak peak: they use Sentry to reduce noise, prioritize issues, and maintain code quality–without relying on a dedicated QA team →...