This repository is unmaintained. In general please consider probabilistic alternatives with a more solid theoretical foundation. A Python library for performing calculations in the Dempster-Shafer theory of evidence. Features: Support for normalized as well as unnormalized belief functions Different Monte-Carlo algorithms for combining belief functions Various methods related to the generalized Bayesian theorem Measures of uncertainty Methods for constructing belief functions from data Both Python 2.7 and Python 3.x are supported. See examples.py for how to use it.