macOS
Homebrewverified · 100%
brew install noxlocal Homebrew formula metadata
brew
Install nox with Homebrew, apt, dnf, Nix
Flexible test automation for Python. Version 2026.4.10 via Homebrew; verified 2026-04-11.
install
Additional install commands
Linux
Debian aptverified · 92%
sudo apt install noxDebian stable package indexes · nox · source: deb.debian.org
Fedora dnfverified · 92%
sudo dnf install noxFedora Rawhide package metadata · nox · source: dl.fedoraproject.org
Nixverified · 92%
nix profile install nixpkgs#noxnixpkgs package indexes · pkgs/by-name/no/nox/package.nix · source: api.github.com
overview
Package summary
Flexible test automation for Python
Project links
Commands and aliases
- nox
history
Project history and usage
Nox is a Python test and automation runner in the same problem family as tox, but its distinguishing choice is that configuration is ordinary Python in a noxfile.py rather than an INI-style matrix. The repository was created on GitHub on 2016-02-24, and PyPI release files show published package history beginning on 2018-08-24.
Project history
The project centers on sessions: decorated Python functions that create an environment, install dependencies, and run commands. The official documentation describes noxfile.py as the default configuration file and shows @nox.session functions as the core interface, including support for multiple Python interpreters, virtualenv backends, parametrization, tags, and session selection.
Nox has continued to track Python packaging and CI changes. The 2026.04.10 changelog entry records the drop of Python 3.8 support for running Nox, adds nox --usage, and includes fixes around virtualenv recreation and tag/keyword selection.
Adoption history
Nox became a recognizable Python packaging tool for projects that want programmable test sessions and CI tasks. The GitHub repository metadata consulted for this batch reported about 1.5k stars and 183 forks, and the project is packaged by Homebrew, Debian, Fedora/DNF, Nix, and Ubuntu in the input record.
Homebrew formula analytics for the nox formula reported 665 installs over the 365-day window exposed by the formula API. That is only a Homebrew signal, not total ecosystem use; PyPI is the more natural distribution channel for most Nox users.
How it is used
Package nerds use Nox as a programmable task runner for Python projects: test matrices, linters, docs builds, release checks, and CI parity. A common pattern is to install Nox globally with pipx, keep project behavior in noxfile.py, and run nox, nox -s tests, nox -l, or selected tagged sessions.
Its practical appeal is that any Python logic available to the project can shape the automation. That makes it a good fit when tox-style declarative matrices become awkward, while still keeping the familiar workflow of isolated environments per task or interpreter.
Why package nerds care
Nox is significant because it occupies the 'programmable tox' niche in Python tooling. It is not a package manager, but it is often part of the release engineering layer around packages: build checks, wheel tests, docs, linting, and CI matrix commands.
Timeline
- 2016-02-24: GitHub repository wntrblm/nox created.
- 2018-08-24: Earliest PyPI upload timestamp found in the PyPI JSON release files.
- 2026-04-10: Nox 2026.04.10 published, dropping Python 3.8 support for running Nox and adding nox --usage.
Related projects
- tox
- virtualenv
- pipx
- uv
- GitHub Actions
Sources
security posture
Risk level: green
narrow executable package without higher-risk signals.
Risk classifier
green risk · low confidence · appliance
Why
- narrow executable package without higher-risk signals
Signals
- metadata:no-higher-risk-signals
Install behavior
- No Homebrew post-install hook is recorded in formula metadata.
- Homebrew bottle metadata is available for 1 platform targets.
- Installs with 2 runtime dependencies.
Recommended review
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
local files
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
Config paths the tool may read or write during local use.
- Unix
noxfile.py
executables
Installed executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
nox | cli | global executable |
freshness
Version and freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
page generated2026-07-08
manager version2026.4.10
manager updated2026-04-11
local dataok
upstreamnot checked
latest detectednot detected
- infoRelease/tag comparison is only available for GitHub repositories.https://nox.thea.codes/none confidence
install metadata
Package metadata
| Package key | brew:nox |
|---|---|
| Version | 2026.4.10 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/nox |
| Homepage | https://nox.thea.codes/ |
| Repository | https://github.com/wntrblm/nox |
| Upstream docs | https://nox.readthedocs.io/ |
| License | Apache-2.0 |
| Source archive | https://files.pythonhosted.org/packages/e7/6b/e672c862a43cfca704d32359221fa3780226daa1e5db5dfc401bcc8be9c9/nox-2026.4.10.tar.gz |
| Last updated | 2026-04-11T22:45:36Z |
| Pulse | updated |
| Dependencies | certifi, python@3.14 |
| Bottle | available (on all) |
| Homebrew post-install | not defined |
| Service | none declared |
registry facts
Source database details
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | nox |
| Version Scheme | 0 |
| Revision | 0 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
source database matches
Other package-manager records
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
Debian apt95%
nox 2024.04.15-3
Flexible test automation
https://github.com/theacodes/nox/
sudo apt install nox- Section: devel
- Architecture: all
- Source Package: python-nox
- 2 dependencies
- normalized package name match
- Matched by: Nox
Nix95%
nox
nix profile install nixpkgs#nox- normalized package name match
- Matched by: Nox
Ubuntu apt95%
nox 2023.04.22-2
Flexible test automation
https://github.com/theacodes/nox/
sudo apt install nox- Section: universe/devel
- Architecture: all
- Source Package: python-nox
- 2 dependencies
- normalized package name match
- Matched by: Nox
dnf95%
nox 2026.04.10-2.fc45
Flexible test automation
https://github.com/wntrblm/nox
sudo dnf install nox- License: Apache-2.0
- Category: Unspecified
- Architecture: noarch
- Source Package: nox
- 3 dependencies
- 3 provides
- normalized package name match
- Matched by: Nox
dnf95%
nox+tox_to_nox 2026.04.10-2.fc45
Metapackage for nox: tox_to_nox extras
https://github.com/wntrblm/nox
sudo dnf install nox+tox_to_nox- License: Apache-2.0
- Category: Unspecified
- Architecture: noarch
- Source Package: nox
- 4 dependencies
- 3 provides
- normalized package name match
- Matched by: Nox
source trail
Generated from repository data
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Used sources
- Geiger risk classifier
- Nucleus package database
- av.db category and tag curation
- cross-ecosystem install command graph
- curated configuration and credential file locations
- curated package history
- external package-manager database matches
- package relationship graph
- package version freshness
- package-page enrichment