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Tech riderRev. 21 Sept 2026

autopep8

Ch 116.9of 34 Code Formatting Tools
  1. 1Runs onAPI, Linux, Mac, Windows
  2. 2CostsNot stated by the maker
  3. 3License modelopen source
  4. 4Supported languagesPython
  5. 5Supported platformsOS independent
  6. 6Editor integrationNo
  7. 7Ignore filesYes
  8. 8Changed-lines formattingYes
  9. 9Library APIYes
8 lines stated Written from the maker's own pages: github.com
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Overview

autopep8 is ranked #11 of 34 in code formatting tools on Specifiction. It runs on API, Linux, macOS, Windows.

Compared on code formatting tools

Free plan
Yesgithub.com
Supported languages
Pythongithub.com
Supported platforms
OS independentgithub.com
Editor integration
Nogithub.com
Ignore files
Yesgithub.com
Changed-lines formatting
Yesgithub.com
Library API
Yesgithub.com
License model
open_sourcegithub.com

Facts

Purpose
autopep8 automatically formats Python code to conform to the PEP 8 style guide.github.com · 3 Oct 2026
How it works
It uses pycodestyle to identify formatting issues and can fix most issues that pycodestyle reports.github.com · 3 Oct 2026
Installation
The project documents installation with `pip install --upgrade autopep8`.github.com · 3 Oct 2026
Requirements
autopep8 requires pycodestyle.github.com · 3 Oct 2026
Fixes
Listed fixes include indentation, whitespace, blank lines, imports, line length, and selected code style issues.github.com · 3 Oct 2026
Change controls
The tool supports selecting or ignoring fix codes, setting a maximum line length, and enabling more aggressive changes.github.com · 3 Oct 2026
Configuration
It supports configuration through pyproject.toml, setup.cfg, tox.ini, .pep8, and .flake8 files.github.com · 3 Oct 2026
Integration
autopep8 can be used as a pre-commit hook.github.com · 3 Oct 2026
Programming interface
The project documents using autopep8 as a Python module through its `fix_code()` function.github.com · 3 Oct 2026
Limit
By default, autopep8 makes whitespace changes only; some fixes that can alter code meaning require the `--aggressive` option.github.com · 3 Oct 2026
Compatibility
PyPI lists Python >=3.9 as a requirement and classifies the operating system as OS Independent.pypi.org · 3 Oct 2026
Audience
PyPI classifies the intended audience as developers and the environment as console.pypi.org · 3 Oct 2026
License
PyPI identifies the project license as MIT License.pypi.org · 3 Oct 2026
Support and maintenance
The project links to GitHub Issues and lists two PyPI maintainers.github.com · 3 Oct 2026
Change control
By default, autopep8 makes whitespace changes; non-whitespace fixes can be enabled with the aggressive option.github.com · 3 Oct 2026
Windows
The configuration documentation refers to a Windows environment and its `~\.pycodestyle` global configuration file.github.com · 3 Oct 2026
Python requirement
The package metadata requires Python 3.9 or newer.pypi.org · 3 Oct 2026
Intended audience
PyPI classifies the package for developers and lists its environment as Console.pypi.org · 3 Oct 2026

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