core.py 文件源码

def parse(xml_string, target_class=None, version=1, encoding=None):
  """Parses the XML string according to the rules for the target_class.

  Args:
    xml_string: str or unicode
    target_class: XmlElement or a subclass. If None is specified, the
        XmlElement class is used.
    version: int (optional) The version of the schema which should be used when
        converting the XML into an object. The default is 1.
    encoding: str (optional) The character encoding of the bytes in the
        xml_string. Default is 'UTF-8'.
  """
  if target_class is None:
    target_class = XmlElement
  if isinstance(xml_string, unicode):
    if encoding is None:
      xml_string = xml_string.encode(STRING_ENCODING)
    else:
      xml_string = xml_string.encode(encoding)
  tree = ElementTree.fromstring(xml_string)
  return _xml_element_from_tree(tree, target_class, version)