# Install autopep8 with Homebrew, apt, pacman

Automatically formats Python code to conform to the PEP 8 style guide. Version 2.3.2 via Homebrew; verified from local package data.

## Install

```sh
sudo av install brew:autopep8
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install autopep8
```

  Evidence: local Homebrew formula metadata

### Linux

- Debian apt (92%):

```sh
sudo apt install python3-autopep8
```

  Evidence: Debian stable package indexes: python3-autopep8 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

- pacman (92%):

```sh
sudo pacman -S autopep8
```

  Evidence: Arch Linux sync databases: autopep8 from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz

## Package facts

- **Package key:** brew:autopep8
- **Package manager:** Homebrew
- **Package manager page:** <https://formulae.brew.sh/formula/autopep8>
- **Version:** 2.3.2
- **Source summary:** Automatically formats Python code to conform to the PEP 8 style guide
- **Homepage:** <https://github.com/hhatto/autopep8>
- **Repository:** <https://github.com/hhatto/autopep8>
- **Upstream docs:** <https://github.com/hhatto/autopep8#readme>
- **License:** MIT
- **Source archive:** <https://files.pythonhosted.org/packages/50/d8/30873d2b7b57dee9263e53d142da044c4600a46f2d28374b3e38b023df16/autopep8-2.3.2.tar.gz>
- **Generated:** 2026-07-08T07:18:31+00:00

## Executables

- autopep8 (cli)
- autopep8 (alias)

## Dependencies

- python@3.14

## Install behavior

- Post-install hook: not defined
- Bottle: available on all

## Freshness

- Page generated: 2026-07-08
- Package-manager version: 2.3.2
- Local data: ok
- Upstream repository: https://github.com/hhatto/autopep8
- info: No package-manager update timestamp was available.
- info: No cached GitHub release or tag data was available.
## Project history and usage

autopep8 is a Python formatter that uses pycodestyle diagnostics to rewrite code toward PEP 8. It predates the Black era of Python formatting and represents the earlier style of configurable, error-code-driven automatic cleanup.

### Project history

The official GitHub repository was created in December 2010. The README describes autopep8 as a tool that automatically formats Python code to conform to PEP 8, using pycodestyle to determine which parts need formatting.

The project grew around pycodestyle error codes: the README lists many E and W codes autopep8 can fix, plus conservative defaults and more aggressive modes for changes that may affect semantics.

### Adoption history

autopep8 spread through Python packaging and editor integrations as a command-line formatter. The batch input lists Homebrew plus Debian/Ubuntu and Arch packages, while the official README points users to pip, PyPI, GitHub, and pre-commit hook usage.

Its GitHub metadata shows thousands of stars and hundreds of forks, consistent with long-running use in Python developer workflows even as opinionated formatters became more prominent later.

### How it is used

Common usage is autopep8 --in-place with one or more --aggressive flags, or --diff for review. The README also documents module use through fix_code(), recursive operation, parallel jobs, line ranges, pre-commit integration, and pyproject.toml support.

Configuration can come from a global pycodestyle file, project files such as setup.cfg, tox.ini, .pep8, and .flake8, or pyproject.toml under [tool.autopep8], which takes precedence over other configuration files.

### Why package nerds care

autopep8 is useful to package nerds because it bridges Python packaging, linter configuration, editor formatting, and pre-commit automation without imposing a single style regime. Its behavior is legible in terms of pycodestyle codes, which makes distro and CI behavior easier to explain than opaque formatter output.

### Timeline

- 2010: hhatto/autopep8 GitHub repository created.
- 2010s: autopep8 becomes a common PEP 8 cleanup command distributed through PyPI and OS package managers.
- 2020s: autopep8 continues supporting pyproject.toml, pre-commit, modern Python versions, and pycodestyle-based fixes.

### Related projects

- pycodestyle supplies the style diagnostics autopep8 uses.
- flake8 and pep8-style configuration files influence autopep8 configuration discovery.
- Black, yapf, docformatter, and eradicate are adjacent Python formatting or cleanup tools.

### Sources

- <https://api.github.com/repos/hhatto/autopep8>
- <https://github.com/hhatto/autopep8#readme>
- source_facts.package-manager


## Security Notes

narrow executable package without higher-risk signals.

- **Geiger risk:** green / low
- narrow executable package without higher-risk signals


## Configuration and credential file locations

These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.


## Configuration files

- Unix: ~/.config/pycodestyle, setup.cfg, tox.ini, .pep8, .flake8, pyproject.toml
- Windows: ~\.pycodestyle, setup.cfg, tox.ini, .pep8, .flake8, pyproject.toml
## Source Database Details

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** autopep8
- **Version Scheme:** 0
- **Revision:** 0
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable

## Other Package-Manager Records

- Debian apt - python3-autopep8 - 2.3.2-1: normalized package name match | Debian stable package indexes: python3-autopep8 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | tool that automatically formats Python code to conform to PEP 8 | https://github.com/hhatto/autopep8
- Ubuntu apt - python3-autopep8 - 2.0.4-2: normalized package name match | Ubuntu 24.04 LTS package indexes: python3-autopep8 from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | tool that automatically formats Python code to conform to PEP 8 | https://github.com/hhatto/autopep8
- pacman - autopep8 - 1:2.3.2-2: normalized package name match | Arch Linux sync databases: autopep8 from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | A tool that automatically formats Python code to conform to the PEP 8 style guide | https://github.com/hhatto/autopep8


## Related links

- [Source-control packages](https://www.automicvault.com/pkg/source-control-tools/) - Belongs to a source-control command family.
- [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Text processing packages](https://www.automicvault.com/pkg/text-processing-tools/) - Matched text, document, or structured-data processing metadata.
- [Developer build packages](https://www.automicvault.com/pkg/developer-build-tools/) - Matched build, compiler, generator, or developer workflow metadata.
- [python@3.14](https://www.automicvault.com/pkg/brew/python-3-14/) - Runtime dependency declared by Homebrew.
- [black](https://www.automicvault.com/pkg/brew/black/) - Shares av.db curated category or tags: cli, developer-tools, formatter, python.
- [darker](https://www.automicvault.com/pkg/brew/darker/) - Shares av.db curated category or tags: cli, developer-tools, formatter, python.
- [djhtml](https://www.automicvault.com/pkg/brew/djhtml/) - Shares av.db curated category or tags: cli, developer-tools, formatter, python.
- [fprettify](https://www.automicvault.com/pkg/brew/fprettify/) - Shares av.db curated category or tags: cli, developer-tools, formatter, python.
- [gersemi](https://www.automicvault.com/pkg/brew/gersemi/) - Shares av.db curated category or tags: cli, developer-tools, formatter, python.
- [isort](https://www.automicvault.com/pkg/brew/isort/) - Shares av.db curated category or tags: cli, developer-tools, formatter, python.
- [mdformat](https://www.automicvault.com/pkg/brew/mdformat/) - Shares av.db curated category or tags: cli, developer-tools, formatter, python.
- [snakefmt](https://www.automicvault.com/pkg/brew/snakefmt/) - Shares av.db curated category or tags: cli, developer-tools, formatter, python.
- [yapf](https://www.automicvault.com/pkg/brew/yapf/) - Both packages touch the same language runtime or ecosystem. Shared terms: cli, code, developer, developer-tools, formatter.

## Combined YAML source

View the package source record on GitHub. [combined/autopep8.yml](https://github.com/automic-vault/db/blob/main/combined/autopep8.yml)


## Sources

- Nucleus package database
- Geiger risk classifier
- package-page enrichment
- curated configuration and credential file locations
- curated package history
- package version freshness
- av.db category and tag curation
- package relationship graph
- external package-manager database matches
- cross-ecosystem install command graph
