flake8-simple-string-first-arg

This Flake8 plugin for checking that first param of callable object is simple string. Plugin will check for specified callable objects that it is not allowed to use f-sting, .format method, string concat and % statement for first parameter

Quick Start Guide

1. Install flake8-simple-string-first-arg from PyPI with pip:

    pip install flake8-simple-string-first-arg
   

2. Configure a mark that you would like to validate:

    cd project_root/
    vi setup.cfg
   

3. Add to file following:

    [flake8]  
    simple-string-first-arg = SomeClassName, OtherClassName:url
   

4. Run flake8::

    flake8 .
   

flake8 codes

• SFA100: In calling {CallableName} f-string is used
• SFA200: In calling {CallableName} string.format() is used
• SFA300: In calling {CallableName} string concatenation ("+") is used
• SFA400: In calling {CallableName} "%" is used

Settings

simple-string-first-arg
It specifies a list of name of callable objects, that should have simple string as first arg. You can add the name of the argument via : to check if it is passed as a named parameter.