code: def copyfrom_file_object(self, query, file_object, compress=True,
                               compression_level=DEFAULT_COMPRESSION_LEVEL):
          
          chunk_generator = self._read_in_chunks(file_object)
          return self.copyfrom(query, chunk_generator, compress,
                               compression_level)
docs: Gets data from a readable file object into a table
  
          :param query: The "COPY table_name [(column_name[, ...])]
                             FROM STDIN [WITH(option[,...])]" query to execute
          :type query: str
  
          :param file_object: A file-like object.
                              Normally the return value of open('file.ext', 'rb')
          :type file_object: file
  
          :return: Response data as json
          :rtype: str
  
          :raise CartoException: