[Interest] building a light weight tree model

[Frank Rueter | OHUfx]

Hi all,

Here is a snippet of test code to mimic a light weight tree model.
All it is trying to do is mimic the parenting according to the directory 
structure on disk using QStandardItems in a QStandardModel.
It works, but it took me way longer to figure out than I expected, and I 
have a feeling some of you may have good advise on how to make it more 
efficient.
https://pastebin.com/vRkzDPtt

I am not using QFileSystemModel as I wanted to keep things as efficient 
as possible and also need to add some custom items to the model.
Also, for the Python programmers: in my actual code I am using 
scandir.walk() instead of os.walk() for speed.

Any input would be greatly appreciated as I will need to run this over 
disks that have massive amounts of files.

Cheers,
frank


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