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Episode 55: Getting Started With Refactoring Your Python Code

The Real Python Podcast

Apr 09, 2021 58m

Do you think it’s time to refactor your Python code? What should you think about before starting this task? This week on the show, we have Brendan Maginnis and Nick Thapen from Sourcery. Sourcery is an automated refactoring tool that integrates into your IDE and suggests improvements to your code.

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Nick and Brendan provide advice on how to start refactoring and setting achievable code objectives. We discuss setting up unit testing and building confidence that you aren’t changing your code’s fundamental meaning. We also talk about technical debt and how it can creep into your organization’s projects.

Topics:

  • 00:00:00 – Introduction
  • 00:01:31 – What is refactoring?
  • 00:03:19 – How is it connected to extensibility?
  • 00:04:33 – What are methods for preparing your code?
  • 00:05:35 – Being confident you are not changing the meaning of the code
  • 00:09:34 – Refactoring as you go
  • 00:11:16 – What is technical debt, how is it generated?
  • 00:19:08 – Sponsor: Digital Ocean
  • 00:19:45 – Code metrics
  • 00:23:32 – Holding code in your head, and design patterns
  • 00:28:03 – Comments in code and function definitions
  • 00:35:04 – Automated refactoring
  • 00:39:34 – Using a code formatter
  • 00:43:19 – Video Course Spotlight
  • 00:44:27 – Team decisions around refactoring
  • 00:47:41 – Examples where refactoring made a difference
  • 00:51:56 – A few additional notes about Sourcery
  • 00:52:59 – What is something you are excited about in the world of Python?
  • 00:55:21 – What do you want to learn next?
  • 00:56:20 – Thanks and goodbye

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