# Install pyupgrade with Homebrew, apt, MacPorts, Nix, pacman

Upgrade syntax for newer versions of Python. Version 3.21.2 via Homebrew; verified from local package data. Also installable with debian: sudo apt install pyupgrade.

## Install

```sh
sudo av install brew:pyupgrade
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install pyupgrade
```

  Evidence: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install pyupgrade
```

  Evidence: MacPorts ports tree: python/pyupgrade/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- Debian apt (92%):

```sh
sudo apt install pyupgrade
```

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

- Nix (92%):

```sh
nix profile install nixpkgs#pyupgrade
```

  Evidence: nixpkgs package indexes: pyupgrade from https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/top-level/all-packages.nix

- pacman (92%):

```sh
sudo pacman -S pyupgrade
```

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

## Package facts

- **Package key:** brew:pyupgrade
- **Package manager:** Homebrew
- **Version:** 3.21.2
- **Source summary:** Upgrade syntax for newer versions of Python
- **Homepage:** <https://github.com/asottile/pyupgrade>
- **Repository:** <https://github.com/asottile/pyupgrade>
- **Generated:** 2026-08-03T19:37:03+00:00

## Executables

- pyupgrade (alias)

## Install behavior

- Bottle: not available

## Freshness

- Page generated: 2026-08-03
- Package-manager version: 3.21.2

## Security Notes

narrow executable package without higher-risk signals.

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

## Other Package-Manager Records

- Debian apt - pyupgrade - 3.19.1-1: normalized package name match | Debian stable package indexes: pyupgrade from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Tool to automatically upgrade Python 3 syntax for newer versions | https://github.com/asottile/pyupgrade
- Nix - pyupgrade: normalized package name match | nixpkgs package indexes: pyupgrade from https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/top-level/all-packages.nix
- Ubuntu apt - pyupgrade - 2.37.1-2: normalized package name match | Ubuntu 24.04 LTS package indexes: pyupgrade from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Tool to automatically upgrade Python 3 syntax for newer versions | https://github.com/asottile/pyupgrade
- pacman - pyupgrade - 3.21.2-1: normalized package name match | Arch Linux sync databases: pyupgrade from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | A tool to automatically upgrade syntax for newer versions of the language | https://github.com/asottile/pyupgrade
- MacPorts - pyupgrade: normalized package name match | MacPorts ports tree: python/pyupgrade/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## Combined YAML source

View the package source record on GitHub. [combined/pyupgrade.yml](https://github.com/mxcl/pkgdb/blob/main/combined/pyupgrade.yml)


## Sources

- pkg.so package database
- Geiger risk classifier
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph