heisenbug

functions = []

def fancy_decorator(name):

    def wrapper(func):
        func.name = name
        print('Registering func with name {}'.format(name))
        functions.append(func)
        return func

    return wrapper


def single_handler():
    pass


for n in ['one', 'two', 'three']:
    fancy_decorator(n)(single_handler)


for f in functions:
    print(f.name)