Creating 3D model of human body with python

Question

I am trying to create a 3d model of a human body using python. My code should generate around 100 different human models. I want my script needs to: (from most important to least)

1. Be free to develop.
2. Be simply executed - no additional application needs to run.
3. Have control of as many properties of the model as possible - gender, skin color, body hair, gestures, background image, etc.
4. Create a human model as realistic as possible.
5. Be simple to code.

I thought about using Blender with Mb-lab add-on. It seemed realistic enough, simple to use, and most importantly - free. The problem I'm having is: as I said, MB-lab is not exactly a python library but a Blender addon, which requires certain configuration for Blender before using. As much as I searched online and tried - I don't know how to use a Blender addon in an outside python script (aka can be executed without opening the blender application) or if it is even possible.

What better solutions are there? Is my solution applicable?