I have just released a new LEX API wrapper on PyPi, called lex4py. It allows seamless integration of your Python applications with the LEX API with useful and easy-to-use interfaces.
Find it on https://pypi.python.org/pypi/lex4py/1.0.0
The source code is available here on GitHub (https://github.com/caspervg/pylex).
Use it in your application by adding "lex4py>=1.0.0" to your install_requires directive.