How to permanently output logging to QPlainTextEdit widget?

Question

Python

There is a functional and interface code, the code is not mine, the code is from the answer, but it does not solve my problem.

main.py

And there's some code that I haven't tweaked for PyQT5 yet . In which files are checked for certain conditions using a regular expression.

_logsubprocess.py

I want to make sure that the _logsubprocess.pyresults of the checks are displayed in the widgetQPlainTextEdit