How to get value of element in XML file using Python

Question

Below is the XML file I am trying to read.

<annotation>
    <folder>JPEGImages</folder>
    <filename>L00030.png</filename>
    <path>D:\Annotation\Station1\S12508\JPEGImages\L00030.png</path>
    <source>
        <database>Unknown</database>
    </source>
    <size>
        <width>1280</width>
        <height>720</height>
        <depth>3</depth>
    </size>
    <segmented>0</segmented>
    <object>
        <name>bezel</name>
        <pose>Unspecified</pose>
    </object>
    <object>
        <name>plate</name>
        <pose>Unspecified</pose>
    </object>
</annotation>

In the above XML, I am trying to read the value of object with name, so in this case, it will be bezel and plate. I am trying to do this using xml Python package

xmlTree = ET.parse("file.xml")

elemList = []
for elem in xmlTree.iter():
    elemList.append(elem.tag)

This way I am able to get all the elements but unable to get the value. What is the best way to achieve this?

The value of an element is in the text. See stackoverflow.com/q/19583501/407651 — mzjn
– mzjn, Commented Aug 25, 2022 at 10:34
Note that "xml Python package" is ambiguous. There are several XML-related modules in the standard library: docs.python.org/3/library/xml.html. — mzjn
– mzjn, Commented Aug 25, 2022 at 10:35

user19827571 · Accepted Answer · 2022-08-25 13:50:27Z

1

change this line:

elemList.append(elem.tag)

to this:

elemList.append(elem.text)

or this, if you want both:

elemList.append([elem.tag, elem.text])

elem.tag is the name of the tag, so in <foo>bar</foo> it would be foo.

elem.text is whatever was inside the tag, so in <foo>bar</foo> it would be bar.

Have a look at this

answered Aug 25, 2022 at 13:50

user19827571

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Comments

balderman · Accepted Answer · 2022-08-25 12:53:39Z

see below

import xml.etree.ElementTree as ET

xml = '''<annotation>
    <folder>JPEGImages</folder>
    <filename>L00030.png</filename>
    <path>D:\Annotation\Station1\S12508\JPEGImages\L00030.png</path>
    <source>
        <database>Unknown</database>
    </source>
    <size>
        <width>1280</width>
        <height>720</height>
        <depth>3</depth>
    </size>
    <segmented>0</segmented>
    <object>
        <name>bezel</name>
        <pose>Unspecified</pose>
    </object>
    <object>
        <name>plate</name>
        <pose>Unspecified</pose>
    </object>
</annotation>
'''

root = ET.fromstring(xml)
values = [s.find('name').text for s in root.findall('.//object') if s.find('name') is not None]
print(values)

output

['bezel', 'plate']

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