Python function for adding an instance method to an object

instance_method_adder.py

def add_method(obj, f, fname):
    """Adds the instance method from function f to the object obj, callable by fname (i.e. obj.fname())
    example:

    def func(self):
        print 'test'

    add_method(myObject, func, 'newmethodname')

    myObject.newmethodname()
    """
    from new import instancemethod
    obj.__dict__[fname] = instancemethod(f, obj, obj.__class__)