Python 如何使用多个for in语句写入csv

我有一个Python 3.7.3脚本，它读取XML，解析我需要的内容，并将结果导出到CSV。我必须对其中一个字段使用for in循环来深入XML树，这会使另一个for in语句如何附加到csv

运行以下命令时，我的输出文件不会列出不同的V-ID（请参阅root…语句中的第三个for child），但是所有其他字段都是正确的。当我删除最后一个for in语句并将firstFile.write statement 2选项卡移到左侧时，V-ID显示正确，但是我没有该状态，因此我知道问题出在最后一个语句中。顺便说一句，如果我将firstFile.write语句一直向左移动，它只返回csv中的一行，但应该有5行

有没有办法从输出中创建一个列表，然后将它们全部合并，或者将firstFile.write语句的两个选项卡移到左侧，并将最后一个for-in语句附加到特定列中（基本上分解firstFile.write语句）？或者你还有其他建议吗？

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最后，花了大约一周的时间来解决这个问题。我将输出转换为CSV，然后将其读回每列的列表，解析空格并再次写出。下面是我是如何做到的

import os
import sys
import glob
import csv
import xml.etree.ElementTree as ET
firstFile = open("myfile.csv", "a")
path = 'C:\\Users\\JT\\Desktop\\Scripts\\Python\\xccdf\\'
for fileName in glob.glob(os.path.join(path, '*.xml')):
    with open('C:\\Users\\JT\\Desktop\\Scripts\\Python\\myfile1.csv', 'w', newline='') as csvFile1:
        csvWriter = csv.writer(csvFile1, delimiter=',')
        # do your stuff
        tree = ET.parse(fileName)
        root = tree.getroot()
        # Stig Title
        for child in root.findall('{http://checklists.nist.gov/xccdf/1.2}title'):
            d = child.text    
        # hostName
        for child in root:
            for children in child.findall('{http://checklists.nist.gov/xccdf/1.2}target'):
                b = children.text
        # V-ID    
        for child in root.findall('{http://checklists.nist.gov/xccdf/1.2}Group'):
            x = (str(child.attrib))
            x = (x.split('_')[6])
            a = x[:-2]
            firstFile.write(a + '\n')
        # Status
        for child in root:
            for children in child:
                for childrens in children.findall('{http://checklists.nist.gov/xccdf/1.2}result'):
                    x = childrens.text
                    firstFile.write(',' + b + ',' + x + ',' + ',' + ',' + d + '\n')

with open('C:\\Users\\JT\\Desktop\\Scripts\\Python\\myfile.csv', 'r') as csvFile:
    csvReader = csv.reader(csvFile, delimiter=',')
    vIDs = []
    hostNames = []
    status = []
    stigTitles = []
    for line in csvReader:
        vID = line[0]
        vIDs.append(vID)
        try:
            hostName = line[1]
            hostNames.append(hostName)
        except:
            pass
        try:
            state = line[2]
            status.append(state)
        except:
            pass
        try:
            stigTitle = line[5]
            stigTitles.append(stigTitle)
        except:
            pass

    with open('C:\\Users\\JT\\Desktop\\Scripts\\Python\\myfile1.csv', 'a', newline='') as csvFile1:
        csvWriter = csv.writer(csvFile1, delimiter=',')
        vIDMod = list(filter(None, vIDs))
        hostNameMod = list(filter(None, hostNames))
        statusMod = list(filter(None, status))
        stigTitlesMod = list(filter(None, stigTitles))
        csvWriter.writerows(zip(vIDMod, hostNameMod, statusMod, stigTitlesMod))
        firstFile.close()

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你能附上你的XMLtest.xml文件吗？如果你能发布预期的CSV文件来更好地理解你的问题，那就太好了。这有点糟糕了，但我不能发布xml，它是我雇主的专有信息。不过，我会用CSV格式更新我的主要帖子。如果你发布源XML肯定会很有用，我们需要了解结构，这样你就可以删除除一两条记录之外的所有记录，并用占位符替换数据。现在我可以说你以错误的方式迭代记录。遍历第一个字段（标题），然后遍历第二个字段（目标），并从每个列中只保存最后一个值。您需要做的是遍历记录（而不是单独的字段），然后从每个记录中获取数据并写入文件。

import os
import sys
import glob
import csv
import xml.etree.ElementTree as ET
firstFile = open("myfile.csv", "a")
path = 'C:\\Users\\JT\\Desktop\\Scripts\\Python\\xccdf\\'
for fileName in glob.glob(os.path.join(path, '*.xml')):
    with open('C:\\Users\\JT\\Desktop\\Scripts\\Python\\myfile1.csv', 'w', newline='') as csvFile1:
        csvWriter = csv.writer(csvFile1, delimiter=',')
        # do your stuff
        tree = ET.parse(fileName)
        root = tree.getroot()
        # Stig Title
        for child in root.findall('{http://checklists.nist.gov/xccdf/1.2}title'):
            d = child.text    
        # hostName
        for child in root:
            for children in child.findall('{http://checklists.nist.gov/xccdf/1.2}target'):
                b = children.text
        # V-ID    
        for child in root.findall('{http://checklists.nist.gov/xccdf/1.2}Group'):
            x = (str(child.attrib))
            x = (x.split('_')[6])
            a = x[:-2]
            firstFile.write(a + '\n')
        # Status
        for child in root:
            for children in child:
                for childrens in children.findall('{http://checklists.nist.gov/xccdf/1.2}result'):
                    x = childrens.text
                    firstFile.write(',' + b + ',' + x + ',' + ',' + ',' + d + '\n')

with open('C:\\Users\\JT\\Desktop\\Scripts\\Python\\myfile.csv', 'r') as csvFile:
    csvReader = csv.reader(csvFile, delimiter=',')
    vIDs = []
    hostNames = []
    status = []
    stigTitles = []
    for line in csvReader:
        vID = line[0]
        vIDs.append(vID)
        try:
            hostName = line[1]
            hostNames.append(hostName)
        except:
            pass
        try:
            state = line[2]
            status.append(state)
        except:
            pass
        try:
            stigTitle = line[5]
            stigTitles.append(stigTitle)
        except:
            pass

    with open('C:\\Users\\JT\\Desktop\\Scripts\\Python\\myfile1.csv', 'a', newline='') as csvFile1:
        csvWriter = csv.writer(csvFile1, delimiter=',')
        vIDMod = list(filter(None, vIDs))
        hostNameMod = list(filter(None, hostNames))
        statusMod = list(filter(None, status))
        stigTitlesMod = list(filter(None, stigTitles))
        csvWriter.writerows(zip(vIDMod, hostNameMod, statusMod, stigTitlesMod))
        firstFile.close()