flake8-assert-msg

flake8 plugin which forbids assert statements without messages.

Installation

pip install flake8-assert-msg

flake8 codes

Rationale

This ensures that assertions have clear messages for failures. Adding a message to an assertion also acts as documentation for why the assertion is present.

As a pre-commit hook

See pre-commit for instructions

Sample .pre-commit-config.yaml:

-   repo: https://gitlab.com/pycqa/flake8
    rev: 3.8.1
    hooks:
    -   id: flake8
        additional_dependencies: [flake8-assert-msg==1.1.1]

Acknowledgements

• https://github.com/asottile/flake8-walrus used as a template