Python解析CDD文件的代码详解

 def parseCdd(self,filename):
        cddXML = etree.parse(filename)
        if cddXML:
            ecu = cddXML.xpath("//VAR//DIAGINST//SERVICE//SHORTCUTNAME/TUV/text()")
            if ecu:
                self.diaGCan = ''
                for i in ecu:
                    temp = i.replace("/","_").replace("#","_").replace(": ","_").replace(":","_").replace("  ","_").replace(" - ","_").replace("-","_").replace(" ","_")
                    self.diagCan = self.diagCan + "\n" + "diagRequest    " + temp +"    req_" + temp + ";"
                self.diagCan = "variables\n{\n%s\n}"%self.diagCan
                print(self.diagCan)
                newFile = os.path.splitext(filename)[0] + '_DiagRequest_Variables.cin'
                with open(newFile,'w') as f:
                    f.write(self.diagCan)
            else:
                print("parse cdd file failed!")
        else:
            print("parse file failed!")