Here we have __init__, a typical initializer of Python class instances, which receives arguments as a typical instance method, having the first non-optional argument (self) that holds a reference to a …

The parent-child relationships of the Python type system must stop somewhere, and type is that point. In your example, a.__class__ is a reference to the Foo class.

I have this code which calculates the distance between two coordinates. The two functions are both within the same class. However, how do I call the function distToPoint in the function isNear? class

class B(object): def __init__(self, foo=5): self.foo = foo If you're creating a lot of instances, is there any difference in performance or space requirements for the two styles? When you read the code, do you …

Sep 26, 2008 · What is the difference between a method decorated with @staticmethod and one decorated with @classmethod?

I was wondering what is the difference between objects and classes in python? I thought all classes are objects, but in that case, author wouldn't have used phrase "classes and objects".

Sep 16, 2008 · See what the Python tutorial has to say on the subject of classes and class objects. @Steve Johnson has already answered regarding static methods, also documented under "Built-in …

Feb 4, 2009 · How do I find out the name of the class used to create an instance of an object in Python? I'm not sure if I should use the inspect module or parse the __class__ attribute.

A class (instance) method has to be aware of it's parent (and parent properties) so you need to pass the method a reference to the parent class (as self). It's just one less implicit rule that you have to …

Oct 12, 2015 · In python the simple heuristic for when you should use a class comes down to whether or not your abstraction needs to be concerned with state. Abstractions that carry mutable state should …