from tools.ToolBase import ToolBase class NslookupTool(ToolBase): def validate_instruction(self, instruction): #指令过滤 timeout = 0 return instruction,timeout def analyze_result(self, result,instruction,stderr,stdout): #指令结果分析 start_index = result.find("Non-authoritative answer:") if start_index != -1: return result[start_index:] return result