使用 python 编辑 XML
[英]Editing XML with python
问题描述
I am trying to edit this XML using xml.dom.minidom in python, but am not sure how to get to the values I need to change.
我正在尝试在 python 中使用 xml.dom.minidom 编辑此 XML，但不确定如何获取我需要更改的值。
I access this chunk by doc.getElementsByTagName()我通过 doc.getElementsByTagName() 访问这个块
<SVCExtension xsi:type="typens:SVCExtension">
<Enabled>true</Enabled>
<Info xsi:type="typens:PropertySet">
<PropertyArray xsi:type="typens:ArrayOfPropertySetProperty">
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>WebEnabled</Key>
<Value xsi:type="xs:string">true</Value>
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>WebCapabilities</Key>
<Value xsi:type="xs:string">GetCapabilities,GetMap,GetFeatureInfo,GetStyles,GetLegendGraphic,GetSchemaExtension</Value>
</PropertySetProperty>
</PropertyArray>
</Info>
<Props xsi:type="typens:PropertySet">
<PropertyArray xsi:type="typens:ArrayOfPropertySetProperty">
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>onlineResource</Key>
<Value xsi:type="xs:string">*censored url*</Value>
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>customGetCapabilities</Key>
<Value xsi:type="xs:string">false</Value>
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>pathToCustomGetCapabilitiesFiles</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>pathToCustomSLDFile</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>inheritLayerNames</Key>
<Value xsi:type="xs:string">false</Value>
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>name</Key>
<Value xsi:type="xs:string">WMS</Value>
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>title</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>abstract</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>keyword</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>contactPerson</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>contactPosition</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>contactOrganization</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>address</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>addressType</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>city</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>stateOrProvince</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>postCode</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>country</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>contactVoiceTelephone</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>contactFacsimileTelephone</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>contactElectronicMailAddress</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>fees</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
<PropertySetProperty xsi:type="typens:PropertySetProperty">
<Key>accessConstraints</Key>
<Value xsi:type="xs:string" />
</PropertySetProperty>
</PropertyArray>
</Props>
<TypeName>WMSServer</TypeName>
</SVCExtension>
Now, within here I would like to change "customGetCapabilities" value to "true" and specify a url in "pathToCustomGetCapabilitiesFiles".现在，在这里，我想将“customGetCapabilities”值更改为“true”并在“pathToCustomGetCapabilitiesFiles”中指定一个 url。
Can someone teach me how to parse through to those values please?有人可以教我如何解析这些值吗？ Thank you谢谢
1 个解决方案
解决方案1
0 2017-02-26 05:32:18
The following is one way you could do this with minidom.以下是您可以使用 minidom 执行此操作的一种方法。
props = doc.getElementsByTagName('PropertySetProperty')
for prop in props:
if prop.hasChildNodes():
key = prop.getElementsByTagName('Key')[0]
if key.firstChild.nodeValue == 'customGetCapabilities':
value = key.parentNode.getElementsByTagName("Value")[0]
value.firstChild.nodeValue = 'true'
if key.firstChild.nodeValue == 'pathToCustomGetCapabilitiesFiles':
path_url = key.parentNode.getElementsByTagName('Value')[0]
path_url.appendChild(doc.createTextNode('http://someurl/'))
break
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