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Real Python Podcast Episode #136 Title Artwork

Episode 136: Package Python Code With pyproject.toml & Listing Files With pathlib

The Real Python Podcast

Dec 09, 2022 54m

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Christopher Bailey
Christopher Bailey
Host
Christopher Trudeau
Christopher Trudeau
Host

How do you start packaging your code with pyproject.toml? Would you like to join a conversation that gently walks you through setting up your Python projects to share? This week on the show, Christopher Trudeau is here, bringing another batch of PyCoder’s Weekly articles and projects.

Episode Sponsor:

We discuss a recent code conversation featuring Real Python team members Ian Currie and Geir Arne Hjelle. The video dives into the officially sanctioned way to configure your project using a pyproject.toml file. We cover how this relatively new approach will help you package your code for use on your system or for sharing with others.

Christopher shares a Real Python tutorial about using pathlib to get a list of all the files within a directory. We’re both fans of pathlib and how it simplifies working with file paths. The tutorial digs into methods to recursively list all directory contents or create a conditional listing.

We share several other articles and projects from the Python community, including an explanation of Python bytecode, an argument for always using [closed, open) intervals, a discussion about building the monolith before microservices, a way to parse natural language time and date expressions, and a project for posting on Mastodon.

Topics:

  • 00:00:00 – Introduction
  • 00:02:30 – Always Use [closed, open) Intervals
  • 00:07:05 – Everyday Project Packaging With pyproject.toml
  • 00:15:38 – Sponsor: InfluxDB
  • 00:16:27 – How to Get a List of All Files in a Directory With Python
  • 00:20:37 – Python Bytecode Explained
  • 00:29:39 – Video Course Spotlight
  • 00:30:48 – Build the Modular Monolith First
  • 00:44:34 – toot - PyPI
  • 00:49:58 – quickadd: Parse Natural Language Time and Date Expressions
  • 00:53:09 – Thanks and goodbye

Show Links:

  • Always Use [closed, open) Intervals – “Intervals or ranges pop-up everywhere in the programming world. The classic example is picking a start and end date, like you would when booking an AirBnB or a flight. Have you ever wondered why they are always implemented as [closed, open) as opposed to [closed, closed]?”
  • 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.
  • How to Get a List of All Files in a Directory With Python – In this tutorial, you’ll be examining a couple of methods to get a list of files and folders in a directory with Python. You’ll also use both methods to recursively list directory contents. Finally, you’ll examine a situation that pits one method against the other.
  • Python Bytecode Explained – When a Python program is run, the interpreter first parses your code and checks for syntax errors, then it translates it into bytecode instructions. This article explains some of the features of Python bytecode.

Discussion:

Projects:

Additional Links:

Level Up Your Python Skills With These Courses:

Lists and Tuples in Python

Lists and Tuples in Python

Everyday Project Packaging With pyproject.toml

Everyday Project Packaging With pyproject.toml

Python 3 "pathlib" Module: Taming The Filesystem

Using Python's pathlib Module

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