Protect python source

Hi,
I need very urgent help from you
I created a small python source for local selling and I am selling it also others are getting my files and reselling them. how can I set the activation system to my source please help me as soon as possible.

What you want is difficult to impossible and will need the help of a paid contractor.

You should be able to find previous discussions by searching internet for ‘protect python source’ or similar phrases.