The easiest way to install awscreds is to use pip3:
$ pip3 install awscreds
or from sources:
$ git clone https://github.com/DmitriyLyalyuev/awscreds.git
$ cd awscreds
$ python3 setup.py install
awscreds -h
awscreds add
awscreds add -e prj_name
awscreds delete
awscreds delete -e prj_name
awscreds get -e prj_name
eval `awscreds export -e prj_name`