When you are writing code it is all to easy to introduce subtle bugs or leave behind unused code. Unused variables, unused imports, overly complex logic, etc. If you are careful and diligent you can find these problems yourself, but isn’t that what computers are supposed to help you with? Thankfully Python has a wealth of tools that will work with you to keep your code clean and maintainable. In this episode Anthony Sottile explores Flake8, one of the most popular options for identifying those problematic lines of code. He shares how he became involved in the project and took over as maintainer and explains the different categories of code quality tooling and how Flake8 compares to other static analyzers. He also discusses the ecosystem of plugins that have grown up around it, including some detailed examples of how you can write your own (and why you might want to).
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- Your host as usual is Tobias Macey and today I’m interviewing Anthony Sottile about Flake8
- How did you get introduced to Python?
- Can you start by giving an overview of what Flake8 is and how you got involved with the project?
- There are a variety of tools available for checking or enforcing code quality. How would you characterize Flake8 in comparison to the other options?
- What do you see as the motivating factors for individuals or teams to integrate static analysis/linting in their toolchain and workflow?
- What are some of the challenges that might prevent someone from adopting something like Flake8?
- How can developers add Flake8 to an existing project without spending hours or days fixing all of the violations?
- Can you describe the overall design and implementation of Flake8?
- How has the design and goals of the project changed or evolved?
- There are a wide array of plugins for Flake8. What is involved in adding new functionality or linting rules?
- What capabilities does Flake8 provide that make it a viable platform for building plugins?
- What are some of the limitations of Flake8 as a platform?
- What do you see as the factors that have contributed to the widespread usage of Flake8 and the large number of available plugins?
- What challenges does that pose as a maintainer of Flake8?
- What are some of the other tools that you see developers use alongside Flake8 to help manage code quality and style enforcement?
- What are some of the most interesting, innovative, or unexpected ways that you have seen Flake8 and its plugin ecosystem used?
- What are the most interesting, unexpected, or challenging lessons that you have learned while working on Flake8?
- When is Flake8 the wrong choice?
- What do you have planned for the future of Flake8?
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- PEP 484
- Static Analysis
- Abstract Syntax Tree
- Concrete Syntax Tree