Have you moved through the fundamentals of Python, and are you now considering building a more extensive project or complete application? Where can you study the architecture of existing Python projects and learn best practices? Christopher Trudeau is back on the show this week, bringing another batch of PyCoder’s Weekly articles and projects.

We discuss a set of resources that developers can study to learn how to structure projects. The collection was shared in a blog post titled “Great Resources a Beginner Might Not Find So Easily.” It includes a pair of books on the architecture of large software applications and another aimed at more modest projects.

We consider when you should use lambda expressions in your Python code. These one-line expressions create anonymous functions. How do they differ from standard functions, and where is it appropriate to use them?

We also share several other articles and projects from the Python community, including a couple of release announcements, an explanation of Python as a compiled language, a discussion covering the controversy about the recent Flask release, a project for writing less Selenium code, and a project to create ASCII art with Python.

This week’s episode is brought to you by Site24x7.

Course Spotlight: Design and Guidance: Object-Oriented Programming in Python

In this video course, you’ll learn about the SOLID principles, which are five well-established standards for improving your object-oriented design in Python. By applying these principles, you can create object-oriented code that is more maintainable, extensible, scalable, and testable.

Topics:

00:00:00 – Introduction
00:02:50 – PyCon US 2024 Call for Proposals
00:03:18 – Django 5.0 Beta 1 Released
00:03:29 – Django security releases issued: 4.2.7, 4.1.13, and 3.2.23
00:03:51 – The Ruff Formatter: Python’s Fastest Formatter
00:04:50 – What Are Lambda Expressions?
00:12:01 – Sponsor: Site24x7.com
00:12:56 – Python Is a Compiled Language
00:16:01 – Great Resources a Beginner Might Not Find So Easily
00:27:01 – Video Course Spotlight
00:28:32 – We Have to Talk About Flask
00:41:46 – selenium-python-helium: Write Less Selenium Code
00:45:23 – pyfiglet: An implementation of figlet written in Python
00:47:17 – Thanks and goodbye

News:

Show Links:

What Are Lambda Expressions? – This post teaches you what lambda expressions are and how they get used in Python. It shows several examples and also covers when to avoid lambda expressions.
Python Is a Compiled Language – Python is interpreted, but it interprets compiled code. This distinction can be confusing to students, and this instructor does a deep dive on where the line between the concepts sits.
Great Resources a Beginner Might Not Find So Easily – Are you having trouble making the modules work together in a larger project? Have you tried looking at popular projects as models, but did their size and scope put you off? Did you find it hard to see why they did what they did? Resources about this do exist, but they’re scattered all over…unless you know where to look.
We Have to Talk About Flask – The most recent release of Flask and Werkzeug have introduced backward incompatible changes that are affecting popular add-ons. Miguel writes about how this is a common occurrence and why it keeps happening.

Discussion:

Projects:

Additional Links:

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Studying Python Software Architecture & Creating Lambda Expressions