To install cattrs, run this command in your terminal:
$ pip install cattrs
This is the preferred method to install cattrs, as it will always install the most recent stable release.
The sources for cattrs can be downloaded from the Github repo.
You can either clone the public repository:
$ git clone git://github.com/Tinche/cattrs
Or download the tarball:
$ curl -OL https://github.com/Tinche/cattrs/tarball/master
Once you have a copy of the source, you can install it with:
$ pip install -e .