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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _makeService(self):
 """ Construct a service for the endpoint as described. """

        if self._endpointService is None:
            _service = service
        else:
            _service = self._endpointService
        return _service(
            self.description.encode('ascii'), self.factory.getFactory())