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Showing content from https://github.com/best-doctor/flake8-annotations-complexity below:

best-doctor/flake8-annotations-complexity: flake8 plugin to validate annotations complexity

An extension for flake8 to report on too complex type annotations.

Complex type annotations often means bad annotations usage, wrong code decomposition or improper data structure choice. They are also hard to read and make code look java-like.

Annotation complexity is maximum annotation nesting level. So List[int] complexity is 2 and Tuple[List[Optional[str]], int] is 4.

Default max annotation complexity is 3 and can be configured via --max-annotations-complexity option.

pip install flake8-annotations-complexity

Sample file:

# test.py

def foo() -> List[int]:
    return [1]

Usage:

$ flake8 --max-annotations-complexity=1 test.py
test.py:4:14: TAE002 too complex annotation (2 > 1)

We would love you to contribute to our project. It's simple:

1. Create an issue with bug you found or proposal you have. Wait for approve from maintainer.
2. Create a pull request. Make sure all checks are green.
3. Fix review comments if any.
4. Be awesome.

Here are useful tips:

• You can run all checks and tests with make check. Please do it before CI does.
• We use BestDoctor python styleguide.
• We respect Django CoC. Make soft, not bullshit.

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