I start this project at 6/10/17 16:50

First of all you need the PILLow library.

You can install it via pip

pip install -r requirements.txt

It is simple

$ python image_gen.py

It will be generate a new image file with size 640x480 (default) and filename like new_image_1.png

Some examples of generated images:

With squares:

With circles:

Now I working on generator with some more features