code: def UpsertAttachmentAndUploadMedia(self,
                                         document_link,
                                         readable_stream,
                                         options=None):
          
          if options is None:
              options = {}
  
          document_id, initial_headers, path = self._GetItemIdWithPathForAttachmentMedia(document_link, options)
          return self.Upsert(readable_stream,
                             path,
                             'attachments',
                             document_id,
                             initial_headers,
                             options)
docs: Upserts an attachment and upload media.
  
          :param str document_link:
              The link to the document.
          :param (file-like stream object) readable_stream:
          :param dict options:
              The request options for the request.
  
          :return:
              The upserted Attachment.
          :rtype:
              dict