read xml file python code example

Example 1: python read xml

from xml.dom import minidom

# parse an xml file by name
mydoc = minidom.parse('items.xml')

items = mydoc.getElementsByTagName('item')

# one specific item attribute
print('Item #2 attribute:')
print(items[1].attributes['name'].value)

# all item attributes
print('\nAll attributes:')
for elem in items:
    print(elem.attributes['name'].value)

# one specific item's data
print('\nItem #2 data:')
print(items[1].firstChild.data)
print(items[1].childNodes[0].data)

# all items data
print('\nAll item data:')
for elem in items:
    print(elem.firstChild.data)

Example 2: xml.etree create xml file

#code :
import xml.etree.cElementTree as ET

root = ET.Element("root")
doc = ET.SubElement(root, "doc")

ET.SubElement(doc, "field1", name="blah").text = "some value1"
ET.SubElement(doc, "field2", name="asdfasd").text = "some vlaue2"

tree = ET.ElementTree(root)
tree.write("filename.xml")

#output : filename.xml -> 
"""
<root>
    <doc>
         <field1 name="blah">some value1</field1>
         <field2 name="asdfasd">some vlaue2</field2>
    </doc>
</root>
""""

Example 3: how to open xml file element tree

import xml.etree.ElementTree as ET

tree = ET.parse('filename.xml') #this gets the file into a tree structure
tree_root = tree.getroot() #this gives us the root element of the file

Example 4: python elementtree load from string

from xml.etree.ElementTree import XML, fromstring
myxml = fromstring(text)

Example 5: how to read ome xml file in python

showinf -omexml-only /path/to/file/myFile.ome.tif >> path/to/output/myFile.ome.xml