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Here's what new-style classes have to offer: Properties: Attributes that are defined by get/set methods Static methods and class methods The new __getattribute__ hook, which, unlike __getattr__, is called for every attribute access, not just when the attribute can't be found in the instance Descriptors: A protocol to define the behavior of attribute access through objects Overriding the constructor __new__ Metaclasses (not discussed)

Metaclass programming in PythonPushing object-oriented programming to the next level

New to AOP? You may find this "Introduction to Aspect-Oriented Programming" (PDF) by Ken Wing Kuen Lee of the Hong Kong University of Science and Technology interesting.

import win32api import win32com.client shell = win32com.client.Dispatch("WScript.Shell") shell.Run("calc") win32api.Sleep(100) shell.AppActivate("Calculator") win32api.Sleep(100) shell.SendKeys("1{+}") win32api.Sleep(500) shell.SendKeys("2") win32api.Sleep(500) shell.SendKeys("~") # ~ is the same as {ENTER} win32api.Sleep(500) shell.SendKeys("*3") win32api.Sleep(500) shell.SendKeys("~") win32api.Sleep(2500)

Sometimes you get an Excel spreadsheet (say, from the marketing departement) and you want to read tabular data from it (i.e. a line with column headers and lines of data). There are many ways to do this (including ODBC + mxODBC), but the easiest way I've found is this one : provide a file name and a sheet name, and read the data !