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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 make_auto_deployable(self, stage, swagger=None):
 """ Sets up the resource such that it will triggers a re-deployment when Swagger changes :param swagger: Dictionary containing the Swagger definition of the API """

        if not swagger:
            return

        # CloudFormation does NOT redeploy the API unless it has a new deployment resource
        # that points to latest RestApi resource. Append a hash of Swagger Body location to
        # redeploy only when the API data changes. First 10 characters of hash is good enough
        # to prevent redeployment when API has not changed

        # NOTE: `str(swagger)` is for backwards compatibility. Changing it to a JSON or something will break compat
        generator = logical_id_generator.LogicalIdGenerator(self.logical_id, str(swagger))
        self.logical_id = generator.gen()
        hash = generator.get_hash(length=40)  # Get the full hash
        self.Description = "RestApi deployment id: {}".format(hash)
        stage.update_deployment_ref(self.logical_id)