$ vim manage.py
from pypm import ProjectManager

pm = ProjectManager()

@pm.command(messages=dict(type=str, nargs='+', help='echo messages'))
def echo(messages):
    print messages

if __name__ == '__main__':
    import sys
    pm.run_command(sys.argv[1:])

$ python manage.py echo hello world
['hello', 'world']

$ sudo pip install git+https://github.com/myevan/pypm.git

$ cd ~/Project

$ mkdir Tools
$ pip install git+https://github.com/myevan/pypm.git --target Tools

$ touch Tools/__init__.py

$ vim manage.py
from Tools.pypm import ProjectManager
... 

$ git clone https://github.com/myevan/pypm.git
$ cd pypm
$ ./setup.py develop