Starting With Marimo Notebooks & Python App Config Management The Real Python podcast

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Starting With Marimo Notebooks & Python App Config Management

6d ago 51:41

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Looking for a guide on getting started with Marimo notebooks? How do you build a reproducible notebook for sharing or create a dashboard with interactive UI elements? Christopher Trudeau is back on the show this week, bringing another batch of PyCoder’s Weekly articles and projects.

We cover a recent Real Python article by Ian Eyre about using Marimo notebooks. The tutorial covers installing Marimo, taking advantage of reactivity, building interactive dashboards, and managing a notebook’s environment through sandboxing. The piece ends by examining the limitations of traditional linear notebooks and how Marimo addresses them.

Christopher discusses an article about how to store the configurations for your Python scripts and projects. Whether you’re managing resource handles to a database, deployment variables, or credentials to external services, you’ll need a way to save and load the details into your Python project. The piece compares saving configurations in several common file formats or through environment variables.

We also share several other articles and projects from the Python community, including a news roundup, the discourse between generative AI coding proponents and detractors, catching memory leaks with your test suite, epigrams on programming, a command line tool to check packages on PyPI, and a collection of string, file, and object utilities.

This episode is sponsored by Six Feet Up.

Course Spotlight: Python Continuous Integration and Deployment Using GitHub Actions

With most software following agile methodologies, it’s essential to have robust DevOps systems in place to manage, maintain, and automate common tasks with a continually changing codebase. By using GitHub Actions, you can automate your workflows efficiently, especially for Python projects.

Topics:

00:00:00 – Introduction
00:02:44 – Python Release 3.14.0b2
00:03:09 – Django security releases issued: 5.2.2, 5.1.10, and 4.2.22
00:03:27 – PyBay 2025
00:03:43 – PyCon NL 2025 - Call for Proposals
00:04:05 – Django Forum: Supporting t-strings
00:04:44 – Ruff Users: What Rules Are You Using and What Are You Ignoring?
00:05:19 – My Shot at Real Python
00:06:03 – My AI Skeptic Friends Are All Nuts
00:10:06 – I Think I’m Done Thinking About genAI For Now
00:11:12 – AI Changes Everything
00:23:01 – Video Course Spotlight
00:24:14 – Configuration of Python Applications
00:29:15 – Marimo: A Reactive, Reproducible Notebook
00:35:15 – Sponsor: Six Feet Up
00:36:02 – Catching memory leaks with your test suite
00:41:45 – Epigrams on Programming
00:46:54 – whatsonpypi: Check PyPI From the Command Line
00:48:18 – strif: String, File, and Object Utilities
00:49:44 – PyCoder’s Weekly - Submit a Link
00:50:13 – Thanks and goodbye

News:

Python Release 3.14.0b2
Django security releases issued: 5.2.2, 5.1.10, and 4.2.22
PyBay 2025
PyCon NL 2025 - Call for Proposals
Django Forum: Supporting t-strings
Ruff Users: What Rules Are You Using and What Are You Ignoring?
My Shot at Real Python – Amanda has recently written her first article for Real Python and this post talks about her experience doing so. If you want to check out the article, it’s on Nested Loops.

Show Links:

My AI Skeptic Friends Are All Nuts
I Think I’m Done Thinking About genAI For Now
AI Changes Everything
AI Blog Comparison - Armin Ronacher
Configuration of Python Applications – This post talks about how to store configuration for your script and how and when to load the information into your program.
Marimo: A Reactive, Reproducible Notebook – Discover how marimo notebook simplifies coding with reactive updates, UI elements, and sandboxing for safe, sharable notebooks.
Catching memory leaks with your test suite – “If you have a good test suite, you may be able to use pytest fixtures to identify memory and other resource leaks.”

Discussion:

Projects:

Additional Links:

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