[英]Keeping CDATA sections while parsing through XML
I am trying to convert existing Xml file to another xml file with adding few nodes. 我试图通过添加几个节点将现有的Xml文件转换为另一个xml文件。 But when i parse my original xml file and write it to the another xml file, it removes all the CDATA from the output xml. 但是当我解析我的原始xml文件并将其写入另一个xml文件时,它将从输出xml中删除所有CDATA 。 How can i avoid it ? 我该如何避免呢?
Here is my code: 这是我的代码:
tree = ET.parse(r'inputData.xml')
root = tree.getroot()
c = ET.Element("c")
c.text = "3"
root.insert(1, c)
tree.write("outputData.xml")
This is my input XML 这是我的输入XML
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE Map[]>
<Map srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over" background-color="rgba(0, 0, 0, 0)" maximum-extent="-20037508.34,-20037508.34,20037508.34,20037508.34">
<Style filter-mode="first" name="boundary">
<Rule>
<PolygonSymbolizer fill="#000000" fill-opacity="1" />
</Rule>
</Style>
<Layer name="boundary" srs="+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs">
<StyleName>boundary</StyleName>
<Datasource>
<Parameter name="type"><![CDATA[postgis]]></Parameter>
<Parameter name="table"><![CDATA[("select * from tbl") as path]]></Parameter>
<Parameter name="key_field"><![CDATA[gid]]></Parameter>
<Parameter name="geometry_field"><![CDATA[geom]]></Parameter>
<Parameter name="extent_cache"><![CDATA[auto]]></Parameter>
<Parameter name="dbname"><![CDATA[centralized2]]></Parameter>
<Parameter name="host"><![CDATA[localhost]]></Parameter>
<Parameter name="port"><![CDATA[5433]]></Parameter>
<Parameter name="user"><![CDATA[postgres]]></Parameter>
<Parameter name="password"><![CDATA[mysecretpassword]]></Parameter>
</Datasource>
</Layer>
</Map>
On creating new XML all CDATA are removed. 在创建新的XML时,将删除所有CDATA。
If you use lxml , you can specify a parser that keeps CDATA: 如果使用lxml ,则可以指定保留CDATA的解析器:
import lxml.etree
file_name = r'inputData.xml'
parser = lxml.etree.XMLParser(strip_cdata=False)
tree = lxml.etree.parse(file_name, parser)
root = tree.getroot()
c = lxml.etree.Element("c")
c.text = "3"
root.insert(1, c)
tree.write("outputData.xml")
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