~pycoders | Issue #650 (Oct. 8, 2024) (32)

Differences Between Python’s Mutable and Immutable Types In this video course, you’ll learn how Python mutable and immutable data types work internally and how you can take advantage of mutability or immutability to power your code. REAL PYTHON course

DuckDB in the Browser With Pyodide Learn how to run DuckDB in an in-browser Python environment to enable simple querying on remote files, interactive documentation, and easy to use training materials. ALEX MONAHAN

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Free Threaded Python With Asyncio This post talks about combining the new experimental free threading feature of Python 3.13 with Asyncio. CHANGS.CO.UK • Shared by Jamie Chang

Switching From virtualenvwrapper to direnv Earlier this week Trey considered whether to switch from virtualenvwrapper to using local .venv managed by direnv. He then also started experimenting with uv and Starship. This post explains why and his new configuration. TREY HUNNER

Ensuring a Block Is Overridden in a Django Template Some template blocks are meant to be overloaded and forgetting to do so results in rendering bugs. This post talks about creating a new tag that throws an exception which alerts your tests if you forget to overload. TOM CARRICK

Arrange, Act, and Assert Pattern in Testing Learn what the Arrange, Act, and Assert (AAA) pattern is, how it works, the benefits it offers, and its role in unit test automation. Note: sample code is not in Python, but the concepts apply to all unit testing. ANTONELLO ZANINI

How I Prepare a Technical Talk This article outlines the system that Rodrigo uses to prepare his Python talks. Steal his ideas and suggestions so that you, too, can start giving talks at your local meetups and at PyCons all over the world. MATHSPP.COM • Shared by Rodrigo

Implementing a Python Singleton With Decorators A singleton pattern is one where only one instance of an object type is allowed at a time. One way to implement this concept is through the use of a decorator. This post teaches you how. PIETER CLAERHOUT

PEP 759: External Wheel Hosting This Python Enhancement Proposal specifies a mechanism by which projects hosted on pypi.org can safely host wheel artifacts on external sites other than PyPI. PYTHON.ORG

Let’s Go Easy on PyPI, OK? The use of containers can mean a lot of calls to PyPI. This post talks about caching properly to reduce the load on our shared community servers. MICHAEL KENNEDY

Rotating Turn Order With deque If you need to cycle through values, one way to do that is with deque. This post shows you through an example service for a game engine. JUHA-MATTI SANTALA

Python 3.13: JIT and GIL Went Up the Hill All you need to know about the latest Python release’s changes to the Global Interpreter Lock and Just-in-Time compilation. DREW SILCOCK

A Dinosaur Learns poetry “Not a real dinosaur and not real poetry.” This post is about Paul changing how what tools he uses for his Python setup. PAUL COCHRANE

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