How To Create Custom Shipping Label

Hello Pythoneers,

can any of you recommend how to best approach the following problem.

I would like to create a custom shipping label(s) with its own subsections. I would create a GUI which then auto-fills cells within each subsection in the shipping label. Here is a link to what I have in mind:

Can someone please advise / recommend library packages, etc.

Thank you for any feedback and or recommendations.