Function wrap and Register example

wrap_register.py

class Registry(object):
    pass

def register_wrapper(func):
    print 'adding function %s to registry.' % func.__name__
    setattr(Registry, func.__name__, classmethod(func))
    return func

def wrapper(**kwargs_outer):
    print 'in outside wrapper with kwargs', kwargs_outer
    def decorator(f):
        print 'in decorator with function', f.__name__
        def final_wrap(*args, **kwargs):
            kwargs_final = kwargs.update(kwargs_outer)
            print 'in wrapped function with args, kwargs and function', args, kwargs, f.__name__
            print 'input outer kwargs is ', kwargs_outer
            return curve_builder(f(), *args, **kwargs)
        return final_wrap
    return decorator

def curve_builder(positions, *args, **kwargs):
    print 'curve_builder: ', kwargs, args
    return 'curve is degree %d and positions'%kwargs.get('degree', 1), positions

@register_wrapper
@wrapper(test=1)
def curve_info():
    return [[0,1,0],[0,0,0]]

print 'normal curve_info', curve_info(mess=4)
#print 'Registry.test: ', Registry.test()
#print 'Registry.test2: ', Registry.test2()()
print [func for func in dir(Registry) if not func.startswith('__')]
print 'running the whole shebang!!!!!', Registry.final_wrap()