Python, the open source scripting language, has grown tremendously popular in the last five years—and with good reason. Python boasts a sophisticated object model that wise developers can exploit in ways that Java, C++, and C# developers can only dream of.
by Gigi Sayfan
May 11, 2006
his article is the first in a two-part series that will dig deep to explore the fascinating new-style Python object model, which was introduced in Python 2.2 and improved in 2.3 and 2.4. The object model and type system are very dynamic and allow quite a few interesting tricks. In this article I will describe the object, model, and type system; explore various entities; explain the life cycle of an object; and introduce some of the countless ways to modify and customize almost everything you thought immutable at runtime.
The Python Object Model
Python's objects are basically a bunch of attributes. These attributes include the type of the object, fields, methods, and base classes. Attributes are also objects, accessible through their containing objects.
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his article is the first in a two-part series that will dig deep to explore the fascinating new-style Python object model, which was introduced in Python 2.2 and improved in 2.3 and 2.4. The object model and type system are very dynamic and allow quite a few interesting tricks. In this article I will describe the object, model, and type system; explore various entities; explain the life cycle of an object; and introduce some of the countless ways to modify and customize almost everything you thought immutable at runtime.
