Python 使用etree分析xml时无法返回子值
我有一个xml文件,看起来像Python 使用etree分析xml时无法返回子值,python,xml,elementtree,Python,Xml,Elementtree,我有一个xml文件,看起来像 <?xml version="1.0" encoding="UTF-8" ?> <FullReport xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <firm>1426</firm> <reportDate>07FEB2020_18:00:00.000000</reportDate> <roo
<?xml version="1.0" encoding="UTF-8" ?>
<FullReport
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<firm>1426</firm>
<reportDate>07FEB2020_18:00:00.000000</reportDate>
<rooms>
<room>
<roomID>PCHAT-0x0000000000000637</roomID>
<roomTitle>FX - WBB - CTON</roomTitle>
<description>global chat</description>
<creationDate></creationDate>
<removalDate></removalDate>
<lastActivityDate>02/07/2020 12:26:24</lastActivityDate>
<status>Active</status>
<membership>Bilateral</membership>
<isAnonymous>false</isAnonymous>
<hasActiveAdmins>true</hasActiveAdmins>
<activeUserCount>17</activeUserCount>
<distinctFirmsInRoom>2</distinctFirmsInRoom>
<isInternalOnly>false</isInternalOnly>
<isIncognitoForum>false</isIncognitoForum>
</room>
<users>
<uuid>6820</uuid>
<bbgEmail>SJONES@Bloomberg.net</bbgEmail>
<fullName>SEAN JONES</fullName>
<firmName>BANK OF TEST</firmName>
<firmNumber>1400</firmNumber>
<accountNumber>51067</accountNumber>
<accountName>BANK OF TEST</accountName>
<inviteDate>01/07/2013 22:00:39</inviteDate>
<isDeleted>false</isDeleted>
<isAdmin>false</isAdmin>
<isCreator>false</isCreator>
<roomAlias>CTON</roomAlias>
<corpEmail>sean.jones@botest.com</corpEmail>
<city>LONDON</city>
</users>
<users>
<uuid>6820</uuid>
<bbgEmail>SSMITH@Bloomberg.net</bbgEmail>
<fullName>SEAN SMITH</fullName>
<firmName>BANK OF TEST</firmName>
<firmNumber>1400</firmNumber>
<accountNumber>51067</accountNumber>
<accountName>BANK OF TEST</accountName>
<inviteDate>01/07/2013 22:00:39</inviteDate>
<isDeleted>false</isDeleted>
<isAdmin>false</isAdmin>
<isCreator>false</isCreator>
<roomAlias>CTON</roomAlias>
<corpEmail>sean.smith@botest.com</corpEmail>
<city>LONDON</city>
</users>
</FullReport>
</FullReport>
打印room_child.tag和room_child.text时,我看不到值吗?这是一个全新的概念,所以我不确定我错过了什么
返回的结果是:
我的最终目标是迭代每个值并转换为CSV,但我无法访问这些值,也无法确定为什么没有数据返回。我希望最终的csv看起来与类似,csv中的每个用户都有一行
当您在root:中为child运行
时,此循环仅迭代
在您的案例中,FullReport的直接后代:公司,
报告日期和房间,所以它没有机会到达房间,这是
位于较低一步的位置
从您的代码(第一个循环)中,我发现您确实感兴趣
在FullReport/rooms/rooms的直接后代中
要打印其标记名和文本内容,您可以运行,例如:
for child in root.iter('room'):
for step_child in child:
print(f'{step_child.tag:20} {step_child.text}')
对于示例输入,结果是:
roomID PCHAT-0x0000000000000637
roomTitle FX - WBB - CTON
description global chat
creationDate None
removalDate None
lastActivityDate 02/07/2020 12:26:24
status Active
membership Bilateral
isAnonymous false
hasActiveAdmins true
activeUserCount 17
distinctFirmsInRoom 2
isInternalOnly false
isIncognitoForum false
就您的最终任务而言,您可以运行:
rows = []
for child in root.iter('rooms'):
roomId, roomTitle = 'id', 'ttl'
for it in child:
if it.tag == 'room':
roomId = it.findtext('roomID')
roomTitle = it.findtext('roomTitle')
elif it.tag == 'users':
rows.append([roomId, roomTitle, it.findtext('uuid'), it.findtext('bbgEmail'),
it.findtext('fullName'), it.findtext('firmName')])
df = pd.DataFrame(rows, columns=['roomId', 'roomTitle', 'uuid', 'bbgEmail',
'fullName', 'firmName'])
上面的代码基于房间元素首先出现的假设
在它们之后是用户元素
并添加与您的帖子中未显示的任何其他列相关的代码。请提供一个链接。此外,您共享的代码的格式似乎已损坏。您想要的输出是什么?我想查看每个“房间”的数据以及附加到每个房间的“用户”。我想将其简化为csv。现在添加了可复制的代码。因此,我希望打印每个“文件室”的属性及其值,以及附加到文件室的每个“用户”的属性/值;你能编辑并修复它吗?
rows = []
for child in root.iter('rooms'):
roomId, roomTitle = 'id', 'ttl'
for it in child:
if it.tag == 'room':
roomId = it.findtext('roomID')
roomTitle = it.findtext('roomTitle')
elif it.tag == 'users':
rows.append([roomId, roomTitle, it.findtext('uuid'), it.findtext('bbgEmail'),
it.findtext('fullName'), it.findtext('firmName')])
df = pd.DataFrame(rows, columns=['roomId', 'roomTitle', 'uuid', 'bbgEmail',
'fullName', 'firmName'])