Static inner class in python

Question

My code must have an inner class, and I want to instantiate this inner class without instantiating the outer class.
How to do this in python? In java, we can determine that the inner class is static, but I don't know how to make the inner class static in python. I know that for methods we can use the @staticmethod decorator.

 class Outer: def __init__(self): print 'Instance of outer class is created' class Inner: def __init__(self): print 'Instance of Inner class is created' 

Answer 1

The Inner class is defined during the definition of the Outer class and it exists in its class namespace. So just Outer.Inner() .

Answer 2

You do not need to do anything special. Just contact him directly:

 instance = Outer.Inner() 

Answer 3

Not sure if this is what you are looking for. You can simply create it as a class variable or a global (modular) variable

 class Outer: def __init__(self): print 'Instance of outer class is created' class Inner: def __init__(self): print 'Instance of Inner class is created' i = Inner() # as class varaible i1 = Outer.Inner() # as module varaible