foo = fooClass()

foofooclass_fromZVTool.py

class zhumClass:
    def __repr__(self):
        return "zERR: This function accepts one numeric argument in the
range 0-10."
        def __call__(*args):
            errMsg = "zERR: This function accepts one numeric argument in the range 0-10."
            if len(args) != 2:
                print errMsg,
                return
            newH = args[1]
            if (type(newH) != IntType) or newH < 0 or newH > 10:
                print errMsg,
                return
            pc = __main__.FindPlayer()
            # there's no reliable way to read current humanity level,
            # so max it out and then subtract as needed
            pc.HumanityAdd(10)
            pc.HumanityAdd(newH - 10)
            print "HUMANITY LEVEL SET",

# instantiate class
zhum = zhumClass()