Python pointers in python-gi ?

[Reuben Rissler <silrep emypeople net>]

This email is thoroughly explained by :

https://stackoverflow.com/questions/49213440/how-does-one-call-gdk-frame-clock-get-refresh-info-from-python


As far as I can tell, when python-gi passes in a variable to a C 
function which uses pointers, the Python program segfaults. The exact 
same problem happens when using GtkSpinbutton input/output signals. What 
would be required to fix or workaround this?

Thanks, Reuben