How can you simplify the management of your Python projects with one file? What are the advantages of using LazyFrames in Polars? Christopher Trudeau is back on the show this week, bringing another batch of PyCoder’s Weekly articles and projects.

We share a recent Real Python tutorial by Ian Currie about managing projects with a pyproject.toml file. This file simplifies Python project configuration by unifying package setup, managing dependencies, and streamlining builds.

Christopher continues his exploration of the Polars library by covering another Real Python tutorial about working with LazyFrames. He describes how LazyFrames don’t contain data but instead store a set of instructions known as a query plan.

We also share several other articles and projects from the Python community, including a news roundup, building a to-do app with Python and Kivy, working with DuckDB directly instead of using a DataFrame library, a discussion on fiction and nonfiction books about computer science, a terminal visual effects engine, and a full-stack platform for interactive data apps.

Course Spotlight: Everyday Project Packaging With pyproject.toml

In this Code Conversation video course, you’ll learn how to package your everyday projects with pyproject.toml. Playing on the same team as the import system means you can call your project from anywhere, ensure consistent imports, and have one file that’ll work for many build systems.

Topics:

00:00:00 – Introduction
00:02:00 – Happy Pi Day!
00:02:15 – Follow-up: Is BDD Dying?
00:03:32 – Django security releases issued: 5.1.7, 5.0.13 and 4.2.20
00:04:01 – Django 5.2 Beta 1 Released
00:04:11 – DjangoCon Africa Aug 2025 CFP
00:04:29 – Launching the PyCon US 2025 Schedule
00:04:48 – PyPy v7.3.19 Release
00:05:06 – Poetry 2.0.0 Released
00:05:34 – How to Manage Python Projects With pyproject.toml
00:12:10 – Build a To-Do App With Python and Kivy
00:16:22 – Mastering DuckDB When You’re Used to pandas or Polars
00:21:08 – Video Course Spotlight
00:22:42 – How to Work With Polars LazyFrames
00:27:41 – Fiction/Non-Fiction Books on the Topic of CS?
00:42:28 – preswald: Full-Stack Platform for Interactive Data Apps
00:45:52 – terminaltexteffects: Terminal Visual Effects Engine
00:47:59 – Thanks and goodbye

Follow-up:

News:

Django security releases issued: 5.1.7, 5.0.13 and 4.2.20 | Weblog | Django
Django 5.2 Beta 1 Released
DjangoCon Africa Aug 2025, Arusha, Tanzania, (Call for Proposals)
Launching the PyCon US 2025 Schedule – This post summarizes the schedule for PyConUS, including a summary of the keynote speakers, and updates on conference swag.
PyPy v7.3.19 Release
Poetry 2.0.0 Released

Show Links:

Discussion:

Project:

Additional Links:

Books Mentioned by Mr. Trudeau:

“The Cuckoo’s Egg” by Clifford Stoll
“Mythical Man Month” by Frederick Brooks
“Phoenix Project” by Gene Kim
“Dreaming in Code” by Scott Rosenberg
“Digital Fortress” by Dan Brown
“Godel Escher, Bach” by Douglas Hofstadlter
“A Philosophy of Software Design” by John Ousterhout’s
“I Hate The Internet” by Jarret Kobek
“Snow Crash” by Neal Stephenson
“Automate the Boring Stuff with Python” by Al Sweigart
“Django In Action” by Christopher Trudeau
“Refactoring Databases” by Scott W Ambler and Pramod J Sadalage
“The C Programming Language” by Dennis M. Ritchie and Brian W. Kernighan
“Open Source Licensing” by Lawrence Rosen
“The Quick Python Book” by Naomi R. Ceder
“Learn to Code By Solving Problems: A Python Programming Primer” by Daniel Zingaro
“Python Automation Cookbook” by Jaime Buelta

Books Mentioned by Mr. Bailey:

“The Little Schemer” by Daniel P. Friedman
“Zen and the Art of Motorcycle Maintenance” by Robert M. Pirsig
“Shop Class as Soulcraft: An Inquiry into the Value of Work” by Matthew B. Crawford
“Django for Beginners, APIs, and Professionals” by William S. Vincent
“Python Crash Course” by Eric Matthes
“Automate the Boring Stuff With Python” by Al Sweigart
“Fluent Python” by Luciano Ramalho
“Practices of the Python Pro” by Dane Hillard
“Daemon and Freedom™” by Daniel Suarez

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