code: def _updatePolicyElements(policy_item, regkey):
      '''
      helper function to add the reg key to each policies element definitions if
      the key attribute is not defined to make xpath searching easier for each
      child in the policy <elements> item
      '''
      for child in policy_item.getiterator():
          if 'valueName' in child.attrib:
              if 'key' not in child.attrib:
                  child.attrib['key'] = regkey
      return policy_itef _updatePolicyElements(policy_item, regkey):
      '''
      helper function to add the reg key to each policies element definitions if
      the key attribute is not defined to make xpath searching easier for each
      child in the policy <elements> item
      '''
      for child in policy_item.getiterator():
          if 'valueName' in child.attrib:
              if 'key' not in child.attrib:
                  child.attrib['key'] = regkey
      return policy_item
docs: helper function to add the reg key to each policies element definitions if
      the key attribute is not defined to make xpath searching easier for each
      child in the policy <elements> item