setup.py

#!/usr/bin/env python

import os

try:
    import pip
except ImportError as e:
    print("installing pip")
    os.system("get-pip.py")
    import pip

print("Checking required packages")
pkgs = ['websocket-client', 'Pillow', 'requests', 'pyqrcode', 'pypng', 'six']

try:
    for package in pkgs:
        try:
            import package
        except ImportError as e:
                pip.main(['install', package])

    print("OK")
except AttributeError as e:
    print("It seems you pip version is over 10.0, please install the required packages manually, "
          "by executing following command:\n"
          "pip install websocket-client Pillow requests pyqrcode pypng six")