code: def get(self, key, filepath):
          
          if not filepath:
              raise RuntimeError("Configuration file not given")
  
          if not self.__check_config_key(key):
              raise RuntimeError("%s parameter does not exists" % key)
  
          if not os.path.isfile(filepath):
              raise RuntimeError("%s config file does not exist" % filepath)
  
          section, option = key.split('.')
  
          config = configparser.SafeConfigParser()
          config.read(filepath)
  
          try:
              option = config.get(section, option)
              self.display('config.tmpl', key=key, option=option)
          except (configparser.NoSectionError, configparser.NoOptionError):
              pass
  
          return CMD_SUCCESS
docs: Get configuration parameter.
  
          Reads 'key' configuration parameter from the configuration file given
          in 'filepath'. Configuration parameter in 'key' must follow the schema
          <section>.<option> .
  
          :param key: key to get
          :param filepath: configuration file