Is possible and, if so, common practice to initialize an object inside a class in Python?

self.field = Class()

2 Answers 2


Everything in Python is an object, so yes, this is common practice. You could not create a meaningful Python program without creating other instances in your own classes.

  • Thank you Martinijn, I am new to Python and enjoying Oop ! Nov 18, 2014 at 11:37

If you want to do it in a Object Oriented way, you could pass a factory into the class, so that you can instantiate your class using a factory method:

    self.field = myFactory.GetSomeClass()

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