Using XML schema to find and enable substitution of missing elements

utils.py

import xml.etree.ElementTree as ElementTree

from xml.dom import minidom


def tidy_xml(element):
    subiter = ElementTree.ElementTree(element).getiterator()
    for x in subiter:
        if len(x):
            if x.text:
                x.text = x.text.strip()
        if x.tail:
            x.tail = x.tail.strip()
    return element


def pretty_xml(element):
    xmlstr = ElementTree.tostring(element, encoding='unicode', method='xml')
    xmlstr = minidom.parseString(xmlstr).toprettyxml(indent='    ', newl='\n', encoding='utf-8')
    return xmlstr.decode('utf-8')

xmlschema | replacing default elements.ipynb