parameters: (self,host)
return_statement: return json.loads(r_data)
docstring: @name 获取并解密指定SSH信息
              @author hwliang<2020-08-07>
              @param  host<string> 主机地址
              @return dict or False
function: def get_ssh_info(self,host):
          '''
              @name 获取并解密指定SSH信息
              @author hwliang<2020-08-07>
              @param  host<string> 主机地址
              @return dict or False
          '''
          info_file = self._save_path + host + '/info.json'
          if not os.path.exists(info_file): return False
          r_data = public.aes_decrypt(public.readFile(info_file),self._pass_str)
          return json.loads(r_data)
function_tokens: def get_ssh_info ( self , host ) : info_file = self . _save_path + host + '/info.json' if not os . path . exists ( info_file ) : return False r_data = public . aes_decrypt ( public . readFile ( info_file ) , self . _pass_str ) return json . loads ( r_data )