backends_xml_parser.py 文件源码

def ProcessXml(self, xml_str):
    """Parses XML string and returns object representation of relevant info.

    Args:
      xml_str: The XML string.
    Returns:
      A list of Backend object containg information about backends from the XML.
    Raises:
      AppEngineConfigException: In case of malformed XML or illegal inputs.
    """
    try:
      self.backends = []
      self.errors = []
      xml_root = ElementTree.fromstring(xml_str)

      for child in xml_root.getchildren():
        self.ProcessBackendNode(child)

      if self.errors:
        raise AppEngineConfigException('\n'.join(self.errors))

      return self.backends
    except ElementTree.ParseError:
      raise AppEngineConfigException('Bad input -- not valid XML')