code: def body_processor(self, chunk):
          
  
          if self.config_nobody:
              self.curl.grab_callback_interrupted = True
              return 0
  
          bytes_read = len(chunk)
  
          self.response_body_bytes_read += bytes_read
          if self.body_file:
              self.body_file.write(chunk)
          else:
              self.response_body_chunks.append(chunk)
          if self.config_body_maxsize is not None:
              if self.response_body_bytes_read > self.config_body_maxsize:
                  logger.debug('Response body max size limit reached: %s',
                               self.config_body_maxsize)
                  self.curl.grab_callback_interrupted = True
                  return 0
  
          # Returning None implies that all bytes were written
          return None
docs: Process body of response.