uvoxen - generate test configuration files and run tests

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Overview

The uvoxen tool allows test environments to be defined in the pyproject.toml file with a syntax relatively similar to the one used for Tox configuration. It can then:

• run tests defined in these environments using the uv tool
• output Tox configuration and run Tox instead
• export the dependency groups into text files

See the Getting started section for an introduction.

The uvoxen tool expects test dependencies to be defined as PEP 735 dependency groups in the pyproject.toml file.

Examples

These are some of the ways to use uvoxen; see the Getting started and the Configuration sections for more information.

Run tests using uv

The uvoxen uv run command runs one or more test environments in succession, recreating the .venv virtual environment in between. The commands defined in the environments are run using the uv tool.

uvoxen uv run

If the --python (-p) command-line option is specified before the uv subcommand, uvoxen will use that Python version to run the tests:

uvoxen -p 3.10 uv run -e mypy,unit-tests

If the special value supported is passed as a Python version, uvoxen will run all the selected environments for all the Python versions that are listed as supported in the project.classifiers section of the pyproject.toml file:

uvoxen -p supported uv run

Generate a Tox configuration file

The uvoxen tox generate command will export the environment definitions into a tox.ini file so that Tox may be used later (or separately):

uvoxen tox generate

If the --check command-line option is specified, uvoxen will not modify the tox.ini file, but it will exit with a non-zero code if any changes need to be made:

uvoxen tox generate --check

Generate requirements files from the dependency groups

The uvoxen req generate command will export the list of dependencies defined in the specified dependency group into a text file suitable for use with e.g. the ReadTheDocs mkdocs runner:

uvoxen req generate -g docs

If the --output (-o) option is not specified, the generated file will be named requirements/<group>.txt, e.g. requirements/docs.txt.

If the --check command-line option is specified, uvoxen will not modify the requirements/docs.txt file, but it will exit with a non-zero code if any changes need to be made:

uvoxen req generate --check -g docs

Contact

The uvoxen tool was written by Peter Pentchev. It is developed in a sourcehut repository. This documentation is hosted at Ringlet with a copy at ReadTheDocs.