.. _platform-specification: Platform specification ============================ Basic multi-platform example ---------------------------- Assuming the following layout: .. code-block:: shell tox.ini # see below for content setup.py # a classic distutils/setuptools setup.py file and the following ``tox.ini`` content: .. code-block:: ini [tox] # platform specification support is available since version 2.0 minversion = 2.0 envlist = py{27,36}-{mylinux,mymacos,mywindows} [testenv] # environment will be skipped if regular expression does not match against the sys.platform string platform = mylinux: linux mymacos: darwin mywindows: win32 # you can specify dependencies and their versions based on platform filtered environments deps = mylinux,mymacos: py==1.4.32 mywindows: py==1.4.30 # upon tox invocation you will be greeted according to your platform commands= mylinux: python -c 'print("Hello, Linus!")' mymacos: python -c 'print("Hello, Steve!")' mywindows: python -c 'print("Hello, Bill!")' you can invoke ``tox`` in the directory where your ``tox.ini`` resides. ``tox`` creates two virtualenv environments with the ``python2.7`` and ``python3.6`` interpreters, respectively, and will then run the specified command according to platform you invoke ``tox`` at.
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