How to protect the script from copying and changing?

Question

Python

It is necessary to hide mathematics and logic in the script from reading, since I plan to earn money on it.
And you need to make copy protection, so that they would not sell without me.
Now all logic is in python, gui is in Qt.
Google did not help, now I think that I need to rewrite.
If it works out, I would like to leave it like this in python, if there are no options with python, then advise on what to rewrite, so that there are fewer problems and cross-platform.
Thanks in advance.

Answer 1

Hello
Use cython, it will turn your python code into C++ code, which you can then compile with make and get a binary python module.
For example test.py -> test.pyd (test.so on linux)
Later you can work with it as an open script, simple "import test"
With copy protection a little more complicated. We use binding to hardware and to our server. We assemble the hardware using win32com, but you will have to install pywin32 on each machine.

Answer 2

Cython will help you, and you will get a big performance boost :) If anything, here is my Makefile for creating binaries in cython: pastebin.com/2eP9x6Hi