Backport of Python 3.3's 'lzma' module for XZ/LZMA compressed files.
This is a backport of the 'lzma' module included in Python 3.3 or later by Nadeem Vawda and Per Oyvind Karlsen, which provides a Python wrapper for XZ Utils (aka LZMA Utils v2) by Igor Pavlov.
In order to compile this, you will need to install XZ Utils from http://tukaani.org/xz/