Virtualenv-based automation of test activities
http://tox.testrun.org/

Tox is a generic virtualenv management and test command line tool you can use for:

  * checking your package installs correctly with different Python versions and interpreters
  * running your tests in each of the environments, configuring your test tool of choice
  * acting as a frontend to Continuous Integration servers, greatly reducing boilerplate and merging CI and shell-based testing.