Make class attributes strong-typed

class TypedObject(object):
    def __setattr__(self, name, value):
        attr = object.__getattribute__(self, name)
        if type(value) != type(attr):
            raise TypeError(name + " must be an " + type(attr).__name__)
        object.__setattr__(self, name, value)

class SampleClass(TypedObject):
    intValue = int()
    strValue = str()

instance = SampleClass()
# Works
instance.strValue = "Okay"
# Yields a TypeError
instance.intValue = "Argh!"
# Yields an AttributeError
instance.otherValue = 2