code: def read_property_from_xml(root, path):
      
      element = root.find(path, XML_NS)
      try:
          return element.text.strip(' \t\n\r')
      except AttributeError:
          return None
docs: Get the text from an XML property.
  
      Whitespaces, tabs and new lines are trimmed
  
      :param root: container in which we search
      :type root: ElementTree.Element
      :param path: path to search in root
      :type path: str
      :return: the text of the element at the given path
      :rtype: str, None