python-如何给乱序的xml文件重新添加字符间隔符号

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没有字符间隔符号的xml文件：

#!/usr/bin/env python3
# -*- coding: utf-8 -*-import xml.etree.ElementTree as ET
from xml.dom import minidom
import os###### 添加字符间距格式 ##########
def add_indentation(input_file, output_file):# 读取XML文件并解析为ElementTreetree = ET.parse(input_file)root = tree.getroot()# 使用minidom将ElementTree转换为带有缩进和格式的XML字符串xml_str = minidom.parseString(ET.tostring(root)).toprettyxml(indent="  ")# 将格式化的XML字符串写入新的XML文件# print(output_file)with open(output_file, "w") as f:f.write(xml_str)###### 判断是否含有字符间距格式 #########
def is_formatted(xml_file):# 解析XML文件tree = ET.parse(xml_file)root = tree.getroot()# 获取XML字符串xml_str = ET.tostring(root, encoding="utf-8").decode("utf-8")# 判断XML字符串是否包含缩进和换行符return '\n' in xml_str or '\t' in xml_str###### 没有字符间距格式的xml文件添加字符间距格式 #########
def convert_annotation(xml_path,save_xml,image_id):if not is_formatted(xml_path+'/%s.xml' % (image_id)):print(xml_path+'/%s.xml' % (image_id))add_indentation(xml_path+'/%s.xml' % (image_id), save_xml+'/%s.xml' % (image_id))xml_path = '/home/gyx/git/data/detect/Vehicle_Detection/val/val/vallabel/'
save_txt='/home/gyx/git/data/detect/Vehicle_Detection/val/val/vallabel_new/'# xml list
img_xmls = os.listdir(xml_path)
for img_xml in img_xmls:label_name = img_xml.split('.')[0]# print(label_name)convert_annotation(xml_path,save_txt,label_name)

添加了字符间隔符号的xml文件: