To install
git clone <repo>
cd <repo>
System wide
sudo pip install .
Virtual environment
virtualenv env
source env/bin/activate
pip install --editable .
Mainly used to set the weight of load balanced RR's.
For example:
r53 set weight -pz -s '-frontlb01' 0 example.com www api
Would be used to set the records www.example.com and api.example.com to 0 for the weighted RR's with the SetIdentifiers of www-frontlb01 and api-frontlb01.