To install variants, run this command in your terminal:
$ pip install variants
This is the preferred method to install variants, as it will always install the most recent stable release.
If you don't have pip installed, this Python installation guide can guide you through the process.
The sources for variants can be downloaded from the Github repo.
You can either clone the public repository:
$ git clone git://github.com/python-variants/variants
Or download the tarball:
$ curl -OL https://github.com/python-variants/variants/tarball/master
Once you have a copy of the source, you can install it with:
$ python setup.py install