This is implementation of Harmony Search Algorithm for Vehicle Routing Problem with Time Windows base ond work with the same title by Esam Taha Yassen et al. You can read the paper here: http://scialert.net/qredirect.php?doi=jas.2013.633.638&linkid=pdf
Python is chosen as an implementation language and pyHarmonySearch as Hasrmony Search Implementation. Check out https://github.com/gfairchild/pyHarmonySearch/