code: def create_unique_id(src, ase):
          # type: (blobxfer.models.upload.LocalPath,
          #        blobxfer.models.azure.StorageEntity) -> str
          
          return ';'.join(
              (str(src.absolute_path), ase._client.primary_endpoint, ase.path)
          )
docs: Create a unique id given a LocalPath and StorageEntity
          :param blobxfer.models.upload.LocalPath src: local path
          :param blobxfer.models.azure.StorageEntity ase: azure storage entity
          :rtype: str
          :return: unique id for pair