code: def mime(self):
          '''
          Retrieves mime metadata if available
          :return:
          '''
          return self.metadata['ContentType'] if 'ContentType' in self.metadata else BaseEngine.get_mimetype(self.bufferf mime(self):
          '''
          Retrieves mime metadata if available
          :return:
          '''
          return self.metadata['ContentType'] if 'ContentType' in self.metadata else BaseEngine.get_mimetype(self.buffer)
docs: Retrieves mime metadata if available
          :return: