create an optional decorator

optional_decorator_function.py

class OptionalDecoratorDecorator(object):
    def __init__(self, decorator):
        self.deco = decorator

    def __call__(self, func):
        self.deco = self.deco(func)
        self.func = func
        def wrapped(*args, **kwargs):
            if kwargs.get("no_deco") is True:
                return self.func()
            else:
                return self.deco()
        return wrapped

def spammer(func):
    def wrapped():
        print "spam"
        return func()
    return wrapped

@OptionalDecoratorDecorator(spammer)
def test():
    print "foo"

test()
print "***"
test(no_deco=True)