code: def _find_content(self, cont_name):
          
          try:
              a = self.content_data[cont_name]
              return a
          except KeyError:
              if self.parent:
                  return self.parent._find_content(cont_name)
              else:
                  # Fallback for no content (Raise NoContent?)
                  return ""
docs: Search for a content_name in the content data, if not found the parent is searched.