Simple Python style checker in one Python file
flake8 is a python tool that glues together pycodestyle, pyflakes, mccabe, and third-party plugins to check the style and quality of some python code.
A plugin for Flake8 finding likely bugs and design problems in your program. Contains warnings that don't belong in pyflakes and pycodestyle.
McCabe complexity checker for Python
Naming Convention checker for Python
Flake8 plugin that checks import order against various Python Style Guides