Properties and Inheritance in Python

property_and_inheritance.py

# Property and inheritance
# http://stackoverflow.com/questions/1021464/how-to-call-a-property-of-the-base-class-if-this-property-is-being-overwritten-i
class Foo(object):
    def __init__(self):
        self._x = 'Foo'
    
    @property
    def x(self):
        return self._x
    
    @x.setter
    def x(self, value):
        print(value)


class FooBar(Foo):
    @property
    def x(self):
        return super(FooBar, self).x
    
    @x.setter
    def x(self, value):
        self._x = value
        # Call setter in base class
        super(FooBar, self.__class__).x.fset(self, value)
        # super(FooBar, self).x.fset(self, value) returns an error 
        #   super(FooBar, self.__class__).x 
        # refers to the property x
        # whereas
        #   super(FooBar, self).x
        # calls the getter of x