Moving to Python from Perl
Books
There is a book on moving from Perl to Python:
"Perl to Python Migration" by Martin C. Brown, ISBN 0201734885, Addison Wesley, 320 pages (2002).
"Are you a Perl programmer who would like to be able to programme in Python? Brimming with a wealth of practical examples and resources this book will show you how." More information.
Software
bridgekeeper A Perl to Python source code converter