python 修改xml各個節點的值

# coding=utf-8
import os
import os.path
import xml.dom.minidom
"""修改xml路徑"""
def path_1(FindPath,name1,file_name):#獲取文件夾地址,name1:標籤名
        if not os.path.isdir(file_name):  # 判斷是否是文件夾,不是文件夾纔打開
            # print(file_name)  # 打印獲取文件名
            # 讀取xml文件
            dom = xml.dom.minidom.parse(os.path.join(FindPath, file_name))#解析dom節點
            root = dom.documentElement
            label= root.getElementsByTagName(name1)#標籤列表
            return dom,label
def xiugai_path(label):
    for i in range(len(label)):  # 遍歷文件列表長度
        print("打印所有路徑",label[i].firstChild.data)#打印所有路徑
        if label[i].firstChild.data[0:62] == "/home/hanqing/SSD-Tensorflow-master/VOC2019/JPEGImages/phone/":
            #print("/home/hanqing/SSD-Tensorflow-master/VOC2019/JPEGImages/phone/" + path_1[i].firstChild.data[
            #                                                                          62:-3] + "jpg", 1111111111)
            #從新賦值
            label[i].firstChild.data = "/home/hanqing/SSD-Tensorflow-master/VOC2019/JPEGImages/phone/" + label[
                                                                                                             i].firstChild.data[
                                                                                                         62:-3] + "jpg"
        elif label[i].firstChild.data[:28] == "E:\my_own_search\phone\step1":
            #print("/home/hanqing/SSD-Tensorflow-master/VOC2019/JPEGImages/phone/" + path_1[i].firstChild.data[29:],
            #       22222222222222)
            # 從新賦值
            label[i].firstChild.data = "/home/hanqing/SSD-Tensorflow-master/VOC2019/JPEGImages/phone/" + label[i].firstChild.data[
                                                                                                             29:]
        elif label[i].firstChild.data.split(".")[1]!="jpg":#判斷圖片後綴是否是jpg
            label[i].firstChild.data =label[i].firstChild.data.split(".")[0]+".jpg"
            # print("ok,地址：{}".format(label[i].firstChild.data))
        else:
            # print("可能需要修改值，如：後綴等",label[i].firstChild.data)
            print(None)
    return len(label)
#修改neme
def xiugai_name(label,t_name=None):
    a,b=0,0
    c=0
    for i in range(len(label)):
        c+=1
        print("打印所有name",label[i].firstChild.data,"一個XML有幾個name：",c)
        if label[i].firstChild.data=="camera":#判斷name是否camera，是修改，不是往下執行
            if t_name:
                label[i].firstChild.data = "camera1"
            a+=1#爲鏡頭
        elif label[i].firstChild.data=="0":
            label[i].firstChild.data="phone"#從新賦值
            b+=1#爲手機
        else:
            print(label[i].firstChild.data)#不是上面兩種是那種？看看
    return a,b

#將修改後的xml文件保存
def baocun(xml_path,dom,file_name):#傳入保存文件路徑和文件名
    with open(os.path.join(xml_path, file_name), 'w') as fh:
        dom.writexml(fh)
        print('寫入{}/pose OK!'.format(file_name[0:-4]))

if __name__=="__main__":
    #獲得文件夾中所有文件
    FindPath = '/media/hanqing/AI開發/mubiaojiance/sj1'
    #要保存地址
    xml_path='/media/hanqing/AI開發/mubiaojiance/sj1'
    data="name"#需要修改標籤name
    a,b=0,0
    FileNames = os.listdir(FindPath)  # 獲取文件內容列表
    print(len(FileNames))
    for file_name in FileNames:#循環讀取文件名
        # print(file_name)#XML打印文件名
        list_1=path_1(FindPath,data,file_name)
        c=xiugai_name(list_1[1],1)##修改xml的name
        # print(c)
        # a+=c[0]#標籤name數量
        # b+=c[1]#文件數量
        # xiugai_path(list_1[1])  # 1/解開註釋修改路徑方法
        baocun(xml_path,list_1[0],file_name)#2/保存數據
    # print("鏡頭數量爲：{}".format(a),"手機標籤數量爲:{}".format(b),"xml總數：{}".format(len(FileNames)))

    # s = []
    # a,b,c=0,0,0
    # for file_name in list_1[1]:
    #     print(file_name)
    #     if not os.path.isdir(file_name):  # 判斷是否是文件夾,不是文件夾纔打開
    #         print(file_name)#打印獲取文件名
        #讀取xml文件
        # print(os.path.join(FindPath,file_name))#打印獲取文件路徑
        # dom = xml.dom.minidom.parse(os.path.join(FindPath,file_name))
        # root = dom.documentElement

        # # 獲取標籤對name之間的值
        # name = root.getElementsByTagName('name')
        # #獲取標籤路徑path
        # path_1=root.getElementsByTagName('path')
    
        # print(len(name))
        # for i in range(len(path_1)):#遍歷文件列表長度
        #     #if name[i] .firstChild.data== 'screw cap':
        #     ##
        #     if path_1[i].firstChild.data[0:62]=="/home/hanqing/SSD-Tensorflow-master/VOC2019/Annotations/phone/":
        #         # print("/home/hanqing/SSD-Tensorflow-master/VOC2019/JPEGImages/phone/" + path_1[i].firstChild.data[
        #         #                                                                          62:-3] + "jpg", 1111111111)
        #         path_1[i].firstChild.data = "/home/hanqing/SSD-Tensorflow-master/VOC2019/JPEGImages/phone/"+path_1[i].firstChild.data[62:-3]+"jpg"
        #     elif path_1[i].firstChild.data[:28]=="E:\my_own_search\phone\step1":
        #         # print("/home/hanqing/SSD-Tensorflow-master/VOC2019/JPEGImages/phone/" + path_1[i].firstChild.data[29:],
        #         #       22222222222222)
        #         path_1[i].firstChild.data ="/home/hanqing/SSD-Tensorflow-master/VOC2019/JPEGImages/phone/"+path_1[i].firstChild.data[29:]
            # print(len(path_1[i].firstChild.data))#長度
            # print(path_1[i].firstChild.data)
            # path_1[i].firstChild.data =path_1[i].firstChild.data#name[i].firstChild.data
            # print ('修改後的 path')
            # print (path_1[i].firstChild.data)
            # print(len("/home/hanqing/SSD-Tensorflow-master/VOC2019/Annotations/"))
            # c+=1
            # if name[i].firstChild.data=="phone":
            #     a+=1
            # else:
            #     b+=1
            # print(a,b,a+b,c)

        ##將修改後的xml文件保存
        # with open(os.path.join(xml_path, file_name), 'w') as fh:
        #     dom.writexml(fh)
        #     print('寫入name/pose OK!')

註釋相對比較詳細，可以依託照葫蘆畫瓢修改其他節點信息，主要實現對於xml中name、path值的修改