(垃圾代码)修改同目录下面的xml文件标签数值

import os
import xml.dom.minidom


def replace_value(xmlpath, tag_name, n):
    try:
        # 文件读取
        dom = xml.dom.minidom.parse(xmlpath)
        root = dom.documentElement
        # 获取标签对name之间的值
        name = root.getElementsByTagName(tag_name)
        for i in range(len(name)):
            newdata = int(float(name[i].firstChild.data) // n)
            name[i].firstChild.data = str(newdata)
        with open(xmlpath, 'w') as fh:
            dom.writexml(fh)
            print('写入OK')
            return 'ok'
    except Exception as e:
        print(e)
        print('未知错误,请截图联系作者')
        return 'fail'


def get_all_files():
    mypath = os.getcwd()

    allfiles = os.listdir(mypath)

    return allfiles


if __name__ == '__main__':
    tag_choose = '1'
    files_list = get_all_files()
    while True:
        file_name = input("请输入您要修改的xml文件名,不要带.xml后缀,只输入名字即可,按回车确认:")
        while file_name + '.xml' not in files_list:
            file_name = input("查询不到您输入的文件名,请确认与本程序在同一目录下后重新输入,按回车确认:")
            files_list = get_all_files()
        while tag_choose == '1':
            tag_name = input("请输入您要修改的标签名,按回车确认:")
            n = float(input("请输入您要整除的倍数,如需放大请除以小数(如放大至5倍则输入0.2, 缩小至一半则输入2):"))
            result = replace_value(os.path.join(os.getcwd(),file_name+'.xml'), tag_name, n)
            if result == 'ok':
                tag_choose = input("写入成功,继续编辑其他标签请输入1,编辑其他文件请输入2,退出本程序请输入n")
            elif result == 'fail':
                tag_choose = input("写入失败,继续编辑其他标签请输入1,编辑其他文件请输入2,退出本程序请输入n")

            if tag_choose == '2':
                break
        if tag_choose == 'n':
            break