This project delivers Linux support (USB driver and Tools) for a Digital Signal Processor (DSP) cards of the Signal Ranger series, see http://www.softdb.com/product_dsp.shtml for details) connected to a Linux host via USB.
PCSC lite is an I/O library for smart cards. This package provides the Python bindings for the PCSC lite libaray, thus letting you write smart card applications in Python.
All available documentation can be read online at http://python-pcsclite.sourceforge.net/