Py3k Conversion Tools¶

Converting Python 2.x code to Python 3.x code

Since Python 2.6, Python has include a standard tool 2to3 to assist in the conversion. http://docs.python.org/library/2to3.html

Program features that need to be changed

• has_key changed to x in dict

• apply() removed

• reduce() changed to functools.reduce()

Infrastructure for automatic refactoring

• tokenize module

• Python 2.5 compile() return ast objects