code: def pys_width2xls_width(self, pys_width):
          
  
          width_0 = get_default_text_extent("0")[0]
          # Scale relative to 12 point font instead of 10 point
          width_0_char = pys_width * 1.2 / width_0
          return int(width_0_char * 256.0)
docs: Returns xls width from given pyspread width