text: from mlflow.protos.model_registry_pb2 import ModelVersionStatus as ProtoModelVersionStatus
  
  
  class ModelVersionStatus(object):
      """Enum for status of an :py:class:`mlflow.entities.model_registry.ModelVersion`."""
  
      PENDING_REGISTRATION = ProtoModelVersionStatus.Value("PENDING_REGISTRATION")
      FAILED_REGISTRATION = ProtoModelVersionStatus.Value("FAILED_REGISTRATION")
      READY = ProtoModelVersionStatus.Value("READY")
      _STRING_TO_STATUS = {
          k: ProtoModelVersionStatus.Value(k) for k in ProtoModelVersionStatus.keys()
      }
      _STATUS_TO_STRING = {value: key for key, value in _STRING_TO_STATUS.items()}
  
      @staticmethod
      def from_string(status_str):
          if status_str not in ModelVersionStatus._STRING_TO_STATUS:
              raise Exception(
                  "Could not get model version status corresponding to string %s. Valid status "
                  "strings: %s" % (status_str, list(ModelVersionStatus._STRING_TO_STATUS.keys()))
              )
          return ModelVersionStatus._STRING_TO_STATUS[status_str]
  
      @staticmethod
      def to_string(status):
          if status not in ModelVersionStatus._STATUS_TO_STRING:
              raise Exception(
                  "Could not get string corresponding to model version status %s. Valid "
                  "statuses: %s" % (status, list(ModelVersionStatus._STATUS_TO_STRING.keys()))
              )
          return ModelVersionStatus._STATUS_TO_STRING[status]
  
      @staticmethod
      def all_status():
          return list(ModelVersionStatus._STATUS_TO_STRING.keys())
  