Python language all classes are newstyle classes in. A newstyle class is a userdefined type, and is very similar to builtin types. Python classes provide all the standard features of object oriented programming. For most unix systems, you must download and compile the source code. July 29, 2003 patch release release which supersedes earlier releases of 2. Old style and new style classes in python what is the current state of affairs with newstyle and oldstyle classes in python 2. Historically, most, but not all, python releases have also been gplcompatible. Classic classes are still a special category in python 2. The class above is a new style class because it inherits from the object class. Newstyle classes derive from a builtin class in most cases, object. As such, specifying object in a class definition is a completely optional. Python language all classes are newstyle classes in python 3.
Creating a new class creates a new type of object, allowing new instances of that type to be made. To check if your python has pygame module open python shell and type. Please refer to the python tutorial and the descriptor howto guide for more uptodate documentation about classes and descriptors respectively. You dont have to download this module and install it manually, just follow me. The licenses page details gplcompatibility and terms and conditions. Content and video by margaret labelle this video is created by someone like you, want to help improve it further. What is the difference between old style and new style classes in.
This style of access is clear, concise, and convenient. Newstyle classes has been integrated into python 2. To find all places to change, you can run the following command over the codebase. For code compatible across python versions, all classes should be defined with explicit superclasses. Classes and objects with python part 1 python tutorial. There are many web resources regarding how to install python 3. A classic class or oldstyle class is a class as it existed in. New style classes provide a lot of extra framework that old style classes do not have. New style classes are part of an effort to unify builtin types and userdefined classes in the python programming language. No matter if you subclass from object or not, classes are newstyle in python 3.