If you're interested in playing with Python bytecode, you would also be interested in the following:

Byteplay: http://code.google.com/p/byteplay/

Philip Eby's Bytecode Assembler: http://pypi.python.org/pypi/BytecodeAssembler

Bytecode Hacks: http://sourceforge.net/projects/bytecodehacks/

Happy python bytecode hacking!

And if you want to make a Python bytecode disassembler less useful for reverse engineering, you can consider the Python code obfuscator at http://bitboost.com/ . Or the elderly free demo at http://pawsense.com/python..obfuscator/

online commercial disassembler by a Chinese hacker:

http://www.depython.net/