python使用etree写回文件出现nso,ns1前缀问题

本文主要是介绍python使用etree写回文件出现nso,ns1前缀问题，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

代码

import xml.etree.ElementTree as ET
import osclass Deal_Xml:def get_tree_root(self,file_url):"""根据文件路径查询根节点集合:param file_url: 文件路径:return: 返回实例对象本身用于链式操作"""tree = ET.parse(file_url)root = tree.getroot()self.root = rootself.tree = treereturn selfdef search_tags(self, tag_name):""":param tag_name:需要查询的标签名称:return: 返回实例对象本身用于链式操作"""ln_tags = list();ln_tag = self.root.iter(tag_name)while True:try:#print(ln_tag)ln = next(ln_tag)ln_tags.append(ln)except StopIteration:break;self.ln_tags = ln_tagsreturn selfdef add_Tag_by_classNames(self, class_names):""":param tags::param class_names::return: 返回实例对象本身用于链式操作"""if not class_names is None and len(class_names) > 0:for tag in self.ln_tags:if not self.check_has_tag(tag):if tag.get("lnClass") in class_names:tag.append(self.get_content_tag())else:continuereturn selfdef get_content_tag(self):""":return: 需要添加的内容"""content = '''<DOI desc="IED设备重启" name="ReStart"><DAI name="dU"><Val>IED设备重启123456</Val></DAI></DOI>'''return ET.fromstring(content)def check_has_tag(self, tag):"""检查tag是哦福已经存在:param tag:tag 名字:return: 存在返回 True 不存在返回False"""doi_arr = tag.findall("DOI")for doi in doi_arr:if 'desc' in doi.attrib.keys() and doi.get("desc") == "IED设备重启":return Truereturn Falsedef writeToLocal(self):"""写回本地"""file_url = os.getcwd() + "\\%s" % "kkk.xml"try:outputs = self.treeself.tree.write(file_url, encoding="UTF-8")except Exception:print("写回本地报错")if "__main__" == __name__:#获取xml文件路径file_url = os.getcwd()+"\\%s" % "ICD-ZR-KLJC018-HZKL(ZPEPC_V3.2).icd"#file_url = os.getcwd() + "\\%s" % "kk.xml"#获取根节点lns = Deal_Xml().get_tree_root(file_url).search_tags("LN").add_Tag_by_classNames(('STWD', 'SVBR')).writeToLocal()