XML management. https://wiki.python.org/moin/PythonXml

xml.py

import xml.etree.cElementTree as ET
# Pyhton implementation: import xml.etree.ElementTree as ET

filename = 'myfile.xml'
tag = ''
text = ''
attrs = {}

# Document Tree XML parser (load the entire document into memory)
tree = ET.parse(filemane)
root = tree.getroot()
root = ET.fromstring(data_as_string) # Reading the data from a string

# Iterate over childs of an element
for child in root:
  pass

# iterate recursively over all the sub-tree
for tag in root.iter():
  pass

# Interate over all tags with 'tag-name'
for tag in root.iter('tag-name'): 
  pass

# Event-driven XML parser (we can specify what events we want to capture: start tag, end tag)
for event, elem in ET.iterparse(filename):
  tag = elem.tag
  text = elem.text
  attrs = elem.attrib
  
elem.find('tag-name') # first match with 'tag-name'
for elm in elem.findall('tag-name'): # all matches with 'tag-name'
  pass
  
# XPath support
for elm in elem.findall('./subtag/subtag/tag-name'):
  pass