Stack Overflow Asked by a11 on February 22, 2021
Using ElementTree with Python 3.8, how can I convert the data into a Pandas dataframe?
Example XML:
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<SystemSourceSet id="-1" name="UC33brAvg_FM31" weight="0.5">
<!-- This model is an example and for review purposes only -->
<!-- Reference: UC33brAvg_FM31 -->
<!-- Description: UCERF 3.3 Branch Averaged Solution (FM31)-->
<Settings>
<DefaultMfds>
<IncrementalMfd floats="false" m="6.5" rate="0.0" type="SINGLE" weight="1.0"/>
</DefaultMfds>
</Settings>
<Source>
<IncrementalMfd m="6.449" rate="3.3631184e-05" type="SINGLE"/>
<Geometry depth="1.3" dip="50.0" indices="0:1" rake="-90.0" width="15.273"/>
</Source>
<Source>
<IncrementalMfd m="6.638" rate="1.5340160e-05" type="SINGLE"/>
<Geometry depth="1.3" dip="50.0" indices="0:2" rake="-90.0" width="15.273"/>
</Source>
<Source>
<IncrementalMfd m="6.78" rate="1.0903030e-05" type="SINGLE"/>
<Geometry depth="1.3" dip="50.0" indices="0:3" rake="-90.0" width="15.273"/>
</Source>
<Source>
<IncrementalMfd m="6.893" rate="7.3397665e-06" type="SINGLE"/>
<Geometry depth="1.3" dip="50.0" indices="0:4" rake="-90.0" width="15.273"/>
</Source>
Expected Dataframe:
Navigate the tree manually and collect the data points you want to keep:
from xml.etree import ElementTree
root = ElementTree.parse('data.xml').getroot()
data = []
for node in root:
if node.tag != 'Source':
continue
mfd = node.find('IncrementalMfd')
geometry = node.find('Geometry')
data.append({
'indices': geometry.get('indices'),
'IncrementalMfd m': mfd.get('m'),
'rate': mfd.get('rate'),
'type': mfd.get('type'),
'Geometry depth': geometry.get('depth'),
'dip': geometry.get('dip'),
'rake': geometry.get('rake'),
'width': geometry.get('width')
})
df = pd.DataFrame(data)
Correct answer by Code Different on February 22, 2021
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