How to call a property of the base class if this property is being overwritten in the derived class?
I’m changing some classes of mine from an extensive use of getters and setters to a more pythonic use of properties.
inheritance
Overriding append method after inheriting from a Python List
I want to create a list that can only accept certain types. As such, I’m trying to inherit from a list in Python, and overriding the append() method like so:
Simple python inheritance
class Animal(object): def __init__(self, nlegs=4): print '__init__ Animal' self.nlegs = nlegs class Cat(Animal): def __init__(self, talk='meow'): print '__init__ Cat' self.talk = talk class Dog(Animal): def __init__(self, talk='woof'): print '__init__ Dog' self.talk = talk Why does my cat tom = Cat() not have an nlegs attribute? Should we explicitly call Animal.__init__() from within Cat.__init__, or should … Read more
Django model inheritance: create sub-instance of existing instance (downcast)?
I’m trying to integrate a 3rd party Django app that made the unfortunate decision to inherit from django.contrib.auth.models.User, which is a big no-no for pluggable apps. Quoting Malcolm Tredinnick:
How to call Base Class’s __init__ method from the child class?
If I have a python class as: class BaseClass(object): #code and the init function of the base class And then I define a child class such as: class ChildClass(BaseClass): #here I want to call the init function of the base class If the init function of the base class takes some arguments that I am … Read more
Python inheritance – how to disable a function
In C++ you can disable a function in parent’s class by declaring it as private in the child class. How can this be done in Python? I.E. How can I hide parent’s function from child’s public interface?