In educational and practical purposes make the task on a bunch of Python3 + MariaDB for the beginning of the practical use of this DIY you will need a custom interface. Hence the question is split into two:
1. Is there any GUI development tools for Python similar to Delphi (created a form, dragged elements and wrote handlers)?
2. If not on the first, then please recommend easy to learn method of creating a WEB interface for the application. (Centos 7 + Python3 + MariaDB).