When comparing Black vs flake8, the Slant community recommends flake8 for most people. In the question“What are the best Python code linters?” flake8 is ranked 2nd while Black is ranked 4th. The most important reason people chose flake8 is:
Project-level settings for flake8 are in the tox settings file. It is trivial to run flake8 inside setup.py or pavement.py.
Specs
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Pros
Pro Consistency among the codebase
It helps new hires and team member code readability as code is often read than being wrote. The consistency make it easier to ready code across the codebase.
Pro Less time spent formatting code
This reduces cognitive load and allows you to focus on code behavior.
Pro Integration with build tools like tox
Project-level settings for flake8 are in the tox settings file. It is trivial to run flake8 inside setup.py or pavement.py.
Pro Allows usage of and writing of plugins
Flake8 has the ability to run thrid-party plugins, including plugins you can write yourself. Here you can find a few useful plugins.
Pro Easy to ignore files and lines
Add "noqa" comments to files and lines to skip processing. Code comments make it easy to find and review exceptions with grep.
Pro Wraps multiple analysis tools
Flake8 is a wrapper around PyFlakes, pep8, and McCabe Complexity analysis.