我有一个xml文件,希望将内容转换为python中csv文件的数据帧:
<?xml version="1.0" encoding="utf-8"?>
<dashboardreport name="jvm_report" version="7.0.21.1017" reportdate="2018-08-08T10:37:01.510-04:00" description="">
<source name="CORP_GTM">
<filters summary="from Jul-30 23:40 to Jul-31 02:40">
<filter>tf:CustomTimeframe?1533008450802:1533019250802</filter>
</filters>
</source>
<reportheader>
<reportdetails>
<user>test1</user>
</reportdetails>
</reportheader>
<data>
<chartdashlet name="jvm_mem_percent" description="" showabsolutevalues="false">
<measures structuretype="tree">
<measure measure="Memory Utilization - Memory Utilization (split by Agent)" color="#800080" aggregation="Maximum" unit="%" thresholds="false" drawingorder="1">
<measure measure="Memory Utilization - test@server1" color="#7aebd0" aggregation="Maximum" unit="%" thresholds="false">
<measurement timestamp="1533008460000" avg="11.116939544677734" min="11.007165908813477" max="11.143875122070312" sum="66.7016372680664" count="6"></measurement>
<measurement timestamp="1533008520000" avg="11.204706827799479" min="11.144883155822754" max="11.268420219421387" sum="67.22824096679688" count="6"></measurement>
</measure>
<measure measure="Memory Utilization - test@server2" color="#a6f2e0" aggregation="Maximum" unit="%" thresholds="false">
<measurement timestamp="1533008460000" avg="11.900418599446615" min="10.386141777038574" max="13.744248390197754" sum="71.40251159667969" count="6"></measurement>
<measurement timestamp="1533008520000" avg="11.139397939046225" min="10.617960929870605" max="11.427289009094238" sum="66.83638763427734" count="6"></measurement>
</measure>
<measure measure="Memory Utilization - test@server3" color="#dd2271" aggregation="Maximum" unit="%" thresholds="false">
<measurement timestamp="1533008460000" avg="8.395787556966146" min="8.340044021606445" max="8.429450035095215" sum="50.374725341796875" count="6"></measurement>
<measurement timestamp="1533008520000" avg="8.490419387817383" min="8.456218719482422" max="8.5205659866333" sum="50.9425163269043" count="6"></measurement>
</measure>
</measure>
</measures>
</chartdashlet>
<chartdashlet name="jvm_trans_errors" description="" showabsolutevalues="false">
<measures structuretype="tree"></measures>
</chartdashlet>
<chartdashlet name="jvm_trans" description="" showabsolutevalues="false">
<measures structuretype="tree">
<measure measure="Count Backend - Count Backend (split by Agent)" color="#8080c0" aggregation="Sum" unit="num" thresholds="false" drawingorder="1">
<measure measure="Count Backend - test@server1" color="#e44e8d" aggregation="Sum" unit="num" thresholds="false">
<measurement timestamp="1533010380000" avg="1.0" min="1.0" max="1.0" sum="1.0" count="1"></measurement>
<measurement timestamp="1533011340000" avg="1.0" min="1.0" max="1.0" sum="10.0" count="10"></measurement>
<measurement timestamp="1533013080000" avg="1.0" min="1.0" max="1.0" sum="1.0" count="1"></measurement>
<measurement timestamp="1533013200000" avg="1.0" min="1.0" max="1.0" sum="1.0" count="1"></measurement>
<measurement timestamp="1533014940000" avg="1.0" min="1.0" max="1.0" sum="2.0" count="2"></measurement>
<measurement timestamp="1533015780000" avg="1.0" min="1.0" max="1.0" sum="1.0" count="1"></measurement>
<measurement timestamp="1533018480000" avg="1.0" min="1.0" max="1.0" sum="1.0" count="1"></measurement>
<measurement timestamp="1533018540000" avg="1.0" min="1.0" max="1.0" sum="2.0" count="2"></measurement>
</measure>
<measure measure="Count Backend - test@server2" color="#e5cf4d" aggregation="Sum" unit="num" thresholds="false">
<measurement timestamp="1533009060000" avg="1.0" min="1.0" max="1.0" sum="10.0" count="10"></measurement>
<measurement timestamp="1533009120000" avg="1.0" min="1.0" max="1.0" sum="1.0" count="1"></measurement>
<measurement timestamp="1533009420000" avg="1.0" min="1.0" max="1.0" sum="3.0" count="3"></measurement>
<measurement timestamp="1533009480000" avg="1.0" min="1.0" max="1.0" sum="5.0" count="5"></measurement>
<measurement timestamp="1533010020000" avg="1.0" min="1.0" max="1.0" sum="4.0" count="4"></measurement>
<measurement timestamp="1533010320000" avg="1.0" min="1.0" max="1.0" sum="1200.0" count="1200"></measurement>
</measure>
<measure measure="Count Backend - test@server3" color="#dec321" aggregation="Sum" unit="num" thresholds="false">
<measurement timestamp="1533008460000" avg="1.0" min="1.0" max="1.0" sum="4.0" count="4"></measurement>
<measurement timestamp="1533008520000" avg="1.0" min="1.0" max="1.0" sum="5.0" count="5"></measurement>
<measurement timestamp="1533008580000" avg="1.0" min="1.0" max="1.0" sum="9.0" count="9"></measurement>
<measurement timestamp="1533008640000" avg="1.0" min="1.0" max="1.0" sum="5.0" count="5"></measurement>
</measure>
</measure>
</measures>
</chartdashlet>
</data>
</dashboardreport>
输出需要如下所示:
^{pr2}$我可以这样做:
doc <- read_xml("C:/test1/test.xml")
dat<-xml_find_all(doc, ".//measure/measure") %>%
map_df(function(x) {
xml_find_all(x, ".//measurement") %>%
map_df(~as.list(xml_attrs(.))) %>%
select(-min, -avg, -sum) %>%
mutate(node=xml_attr(x, "measure"))
})
我需要用python来做这个,有什么想法吗?在
您应该在Python中使用内置库
xml
。在现在,您的标记和属性不是标准的,所以我不得不创建一个函数,这个函数可能是针对您的问题进行硬编码的,但是其他人可以使用它作为指导。在
将此类标记视为您拥有的唯一数据源,并从父标记获取其
node
属性:以下函数应该可以工作,使用
^{pr2}$Pandas
创建数据帧并将其导出到.csv文件:只要用.xml文件更改文件名,它就可以工作了。一旦你有了数据帧,你就可以随心所欲地修改数据的精度、近似值和其他特性。在
一种方法是预处理XML文件,然后将其发送给pandas。我在这个例子中使用
ElementTree
。在例如:
输出:
^{pr2}$按注释编辑。如果要从请求传递xml,请使用}。在
ET.fromstring
并传递r.content
或{例如:
这里有一个只使用包含的库和Python3.6的解决方案-不需要pandaps
CSV:
列:
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