code: def parse_timing(self):
          
          from .abitimer import AbinitTimerParser
          parser = AbinitTimerParser()
          read_ok = parser.parse(self.output_file.path)
          if read_ok:
              return parser
          return None
docs: Parse the timer data in the main output file of Abinit.
          Requires timopt /= 0 in the input file (usually timopt = -1)
  
          Return: :class:`AbinitTimerParser` instance, None if error.