def makeService(self, options):
        """
        Take a L{usage.Options} instance and return a
        L{service.IService} provider.
        """
        self.options = options
        self.service = service.Service()
        return self.service

        Take a L{usage.Options} instance and return a
        L{service.IService} provider.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_twistd.py