code: def get_system_name(self, oid_system_name):
          
          short_system_name = None
  
          if oid_system_name == '':
              return short_system_name
  
          # Find the short name in the oid_to_short_os_name dict
          for r, v in iteritems(oid_to_short_system_name):
              if re.search(r, oid_system_name):
                  short_system_name = v
                  break
  
          return short_system_name
docs: Get the short os name from the OS name OID string.