print 'Error writing Assembly ID.' return -1 if opt in ('-M', '--manufacturing'): if arg: try: hw_info.set_serialno(arg) return 1 except: print 'Error writing Manufacturers serial number' return -1 if opt in ('-D', '--distribution'): if arg: try: hw_info.set_serialno_df(arg) return 1 except: print 'Error writing DF\'s serial number' return -1 if opt in ('-C', '--cisco'): if arg: try: hw_info.set_serialno_cisco(arg) return 1 except: print 'Error writing Cisco serial number' return -1 if opt in ('-P', '--productid'):