How to know if object gets deleted in Python

Question

I have an object in the heap and a reference to it. There are certain circumstances in which the object gets deleted but the reference that points to its location doesn\'t k

Answer 1

use sip module, read more about sip here

import sip

a = QProgressBar()
sip.isdeleted(a)
False

sip.delete(a)
a


sip.isdeleted(a)
Traceback (most recent call last):
  File "", line 1, in 
RuntimeError: underlying C/C++ object has been deleted