Qt for Python (PySide/Shiboken)

Yes, I have looked through almost all the related libraries, from qasync quamash on the Python side or qcoro on the cpp side qtng https://qtng.org/

ah, thanks, I see! Tinkering a bit with ideas. Cooperative soft scheduling would be too much to begin with, but maybe the old Greenlet switching approach could be married with Qt? (thinking out loud)