Interesting, how does this compare to PyParsing[1]? It seems that pyparsing does a lot of this already. Not that you shouldn't write your own, mind you! Some i

Interesting, how does this compare to PyParsing[1]? It seems that pyparsing does a lot of this already. Not that you shouldn't write your own, mind you! Some improvements could be to use operators to reduce some boilerplate, like using * instead of Times(), i.e `(X() * 3) * 5` 1. http://pyparsing.wikispaces.com/ http://pyparsing.wikispaces.com/