http://www.python.org/workshops/2002-02/papers/11/index.htm
Python - Web Load Tester - Multiple Processes and Threads
Multiple processes (forking) in Python
http://www.wellho.net/mouth/2694_Multiple-processes-forking-in-Python.html
twill: a simple scripting language for Web browsing
twill is a simple language that allows users to browse the Web from a command-line interface. With twill, you can navigate through Web sites that use forms, cookies, and most standard Web features.
twill supports automated Web testing and has a simple Python interface. Check out the examples!
twill is open source and written in Python.
reference:http://www.advogato.org/article/874.html
http://www.javaeye.com/topic/610727
http://kurt.seifried.org/2010/05/31/python-performance-part-3/
