Issue #581 (June 13, 2023)

#581 – JUNE 13, 2023

What’s the Zen of Python?

In this tutorial, you’ll be exploring the Zen of Python, a collection of nineteen guiding principles for writing idiomatic Python. You’ll find out how they originated and whether you should follow them. Along the way, you’ll uncover several inside jokes associated with this humorous poem.
REAL PYTHON

JupyterLab 4.0 Is Here

The Jupyter contributor community have announced JupyterLab 4.0. This blog post shows you some of the new features, including: performance improvements, editor upgrades, better search, and more.
JASON WEILL

Build Internal Tools in Minutes with Retool, Where Visual Programming Meets the Power of Real Code

Our customers use Retool to solve all kinds of business problems 10x faster: Plaid uses Retool to manage integration product support. Amazon uses Retool to handle GDPR requests. You, too, can use it to manage users and orders, analyze data, run DevOps, or build any business-critical application, fast →
RETOOL sponsor

Python and the Legend of Zelda

The Game Boy Color version of Legend of Zelda: Oracle of Ages contains a grid-based puzzle. Gaz writes about creating a brute force program to solve the challenge using Python.
GAZ J

Django 4.2.2 Bugfix Release

DJANGO SOFTWARE FOUNDATION

Python 3.11.4, 3.10.12, 3.9.17, 3.8.17, 3.7.17, and 3.12.0 Beta 2 Released

CPYTHON DEV BLOG

PyCascades 2023 Videos Are Up

YOUTUBE.COM

PyCon US 2023 Videos Are Up

YOUTUBE.COM

Obfuscated Python Competition Submissions Open

PYOBFUSC.COM

Discussions

PEP 703 Optional GIL: Timelines and Problems

PYTHON.ORG

Python Jobs

Software Engineer (Dallas or Los Angeles) (Los Angeles, CA, USA)

Causeway Capital Management LLC

More Python Jobs >>>

Articles & Tutorials

Proposing a Struct Syntax for Python

Bret has been pondering a new keyword that would tackle some of the limitations of data classes while offering syntax improvement over named tuples. This is still in the “what if” stage, but he is willing to write up a PEP if he thinks it will get traction.
BRETT CANNON

Chat Using Django 4.2’s `async` Features

Django continues to add features to allow more and more asynchronous programming. This articles shows you how to use Django 4.2’s StreamingHttpResponse, Server-Sent Events, and PostgreSQL LISTEN/NOTIFY to build a chat application.
VÍÐIR VALBERG GUÐMUNDSSON

Streamlit Login/ Sign Up Library – 2k+ Downloads

The streamlit_login_auth_ui library lets you connect your application to a pre-built and secure authentication page. You can customize specific parts of the page without any hassle! The library also sets encrypted cookies to remember and automatically authenticate the users without password →
COURIER sponsor

Mazes in Python Part 1: Building and Visualizing

In part one of this two-part project, you’ll design your maze and represent it in an object-oriented way. You’ll also visualize the maze and its solution using scalable vector graphics (SVG).
REAL PYTHON course

Porting Python Projects to Rust

Jelmer has been working on porting some of his performance-constrained projects from Python to Rust. This blog post discusses how he’s approaching it and what is and isn’t working.
JELMER VERNOOIJ

Python for Finance: Pandas Resample, Groupby, and Rolling

When working with time series data such as financial information, the resample, grouping, and rolling features of Pandas can make your life easier. Read on to learn how.
MATT HARRISON

The Right Way to Run Shell Commands From Python

These are all the options you have in Python for running other processes – the bad; the good; and most importantly, the right way to do it
MARTIN HEINZ • Shared by Martin Heinz

Enforcement of 2FA for PyPI Began June 1st

For those accounts that have two-factor authentication turned on for PyPI uploads, the use of 2FA is now required. Users with 2FA who were only using their password in the past will now have to perform 2FA as well. This is all part of the transition of PyPI to 2FA across the board.
PYPI.ORG

Learn the Latest AI Capabilities with Python 3.11 via OpenVINO™ 2023.0

Looking for more AI optimizations with Python 3.11? Check out OpenVINO™ DevCon for monthly workshops on how you can improve your AI applications with OpenVINO Toolkit’s 2023.0 release. Register. Learn. Connect.
INTEL CORPORATION sponsor

Understanding CPUs Can Help Speed Your NumPy

With a little understanding of how CPUs and compilers work, you can speed up NumPy using Numba, the just-in-time compiler.
ITAMAR TURNER-TRAURING

Flask Authentication Guide

This guide will help you learn how to secure a Flask web application using token-based authentication.
AUTH0 DEVELOPERS • Shared by Robertino

Projects & Code

pystack: Inspect Stack Frames in Running or Crashed Python

GITHUB.COM/BLOOMBERG

reactpy: It’s React, but in Python

GITHUB.COM/REACTIVE-PYTHON

llm: Access Large Language Models From the Command-Line

GITHUB.COM/SIMONW

ADR-py: Creates Architecture Decision Records

GITHUB.COM/ALTOSTERINO • Shared by Daniel Różycki

Events

Santa Cruz Python Meetup

June 14, 2023
MEETUP.COM

Python North East

June 14, 2023
PYTHONNORTHEAST.COM

Weekly Real Python Office Hours Q&A (Virtual)

June 14, 2023
REALPYTHON.COM

pyCologne User Group Treffen