Why do managed attributes just work for class attributes and not for instance attributes in python?

Question

To illustrate the question check the following code:

class MyDescriptor(object):
  def __get__(self, obj, type=None):
    print \"get\", self, obj, type
             


        

Answer 1

I found _v of x1: It is in SomeClass1.__dict__['m']._v

For the version suggested by S.Lott within the other answer: _v is in x1._v