autoDeepMap.py

def autoDeepMap(f):
    "Decorates a function of one argument to automatically deep-map over multiple or iterable arguments"
    def mapped(*args):
        if len(args) != 1:
            return [mapped(x) for x in args]
        elif getattr(args[0], '__iter__', False):
            return [mapped(x) for x in args[0]]
        else:
            return f(args[0])
    return mapped