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A Tox plugin that builds and installs wheels instead of sdist.

Project description

A tox plugin that builds and installs wheels instead of sdist.

  • Free software: BSD 2-Clause License


pip install tox-wheel

You can also install the in-development version with:

pip install



To enable either use tox --wheel or change your tox.ini if you always want the plugin to be enabled:

wheel = true

You can also use factors in tox.ini:

envlist = {py27,py35,py36,py37,py38,pypy,pypy3}-{cover,nocov}

wheel =
    cover: false
    nocov: true

Build configuration

This plugin will build wheels for all the active environments. Note that building will be done in a batch before any testing starts (in order to support tox --parallel mode).

If you can produce universal wheels you might want to configure the build env so that the wheel is only built once for all the envs:

wheel_build_env = build


Note that you can also use wheel_build_env for situation where you have many environments for the same interpreter:

; regular testing

; tests with optional dependencies
wheel_build_env = py38

; docs building
wheel_build_env = py38

The plugin cleans the build dir by default, in case you want to speed things further (at the risk of build caching problems) you could use tox --wheel-dirty.

You can also place this configuration in tox.ini but there will be a unpleasant surprise factor if you ever hit the aforementioned build problems:

wheel_dirty = true

PEP517 support

If you have a custom [build-system] build-backend in your pyproject.toml you need to enable the PEP517 builder by having this in your tox.ini:

wheel_pep517 = true

Enabling this will delegate building to pip wheel --use-pep517.


To run the all tests run:



1.0.0 (2022-10-01)

  • Added option to build wheels (and sdists) in an isolated environment using build. Contributed by Ben Rowland in #17.

0.7.0 (2021-12-29)

  • Fixed build dir not being cleaned up in PEP 517 mode. Contributed by Michael Rans in #16.

  • Switched CI from Travis/AppVeyor to GitHub Actions.

0.6.0 (2020-11-06)

  • Fixed unnecessary build directory cleanup and removed dead code. Contributed by Thomas Grainger in #9.

  • The isolated_build tox option is now an alias for wheel_pep517. Contributed by Thomas Grainger in #6.

  • Added more configuration examples.

0.5.0 (2020-08-06)

  • Added support for PEP 517/518. Contributed by Antonio Botelho in #5.

0.4.2 (2019-05-15)

  • Improved logging a bit so messages are less confusing (don’t emit wheel-make path/to/

  • Moved dist/build cleanup right before bdist_wheel.

0.4.1 (2019-05-15)

  • Improved error handling when no dists are built.

0.4.0 (2019-05-05)

  • Fixed compatibility with tox and changed requirement for minimum tox version to 3.9.0.

0.3.0 (2019-01-26)

  • Added support for tox --parallel mode.

  • Added wheel_build_env config option.

  • Renamed wheel_clean_build config option to wheel_dirty.

  • Added --wheel-dirty CLI argument.

0.2.1 (2019-01-12)

  • Added wheel to dependencies.

0.2.0 (2019-01-12)

  • Remove --wheel-clean-build CLI option. Build directory cleaning is now on by default. Correct behavior should be the default.

  • Added support for [testenv] wheel (default: false) and [testenv] wheel_clean_build (default: true) in tox.ini.

0.1.0 (2019-01-09)

  • First release on PyPI.

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