To install should_dsl you just need to have setuptools installed (it's a dependency).

There is just a little step to install should_dsl, and it is:
$ [sudo] python setup.py install

Now you can use should_dsl!

You can use PyPI and install through pip or easy_install:
$ [sudo] pip install should-dsl

or

$ [sudo] easy_install should-dsl

Enjoy it!
