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Checks for old string formatting

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  • License: GNU General Public License v2 (GPLv2) (GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, ...)
  • Author: Gil Forcada Codinachs
  • Tags flake8, pep8, pycodestyle, python, string formatting
  • Requires: Python >=3.8
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Project description

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Flake8 PEP 3101 plugin

Python has three string formatting options:

  • the old percent operator

  • the .format() string method

  • f-strings (only since python 3.6+)

Although f-strings are more ergonomic, there a certain scenarios where the .format() method is still the only viable option.

See pyformat website for examples of the percent operator vs the format() method.

For a more format definition see the PEP 3101.

This plugin is based on a python checker that was in plone.recipe.codeanalysis.

Install

Install with pip:

$ pip install flake8-pep3101

Requirements

  • Python 3.8, 3.9, 3.10, 3.11 and pypy3

  • flake8

Extras

If you want to check whether your new style formatting are correctly defined, check flake8-string-format plugin.

License

GPL 2.0

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