1. Install the python library from git
git clone https://github.com/allfro/pymetasploit
2. Install the msfrpc to make kali host listen to rpc process
cd pymetasploit
python setup.py install
msfrpcd -P password -n -f -a 127.0.0.1
3. msfrpc help guide
msfrpcd -h
4. the python environment used by the library is python version 2.7