To install pypsy, run this command in your terminal:
$ pip install pypsy
This is the preferred method to install pypsy, 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 pypsy can be downloaded from the Github repo.
You can either clone the public repository:
$ git clone git://github.com/inuyasha2012/pypsy
Or download the tarball:
$ curl -OL https://github.com/inuyasha2012/pypsy/tarball/master
Once you have a copy of the source, you can install it with:
$ python setup.py install