def assertEqualXML(self, e1, e2):
if six.PY3 and isinstance(e1, bytes):
e1 = e1.decode('utf-8')
if six.PY3 and isinstance(e2, bytes):
e2 = e2.decode('utf-8')
if isinstance(e1, six.string_types):
e1 = etree.XML(e1)
if isinstance(e2, six.string_types):
e2 = etree.XML(e2)
if e1.tag != e2.tag:
return False
if e1.text != e2.text:
return False
if e1.tail != e2.tail:
return False
if e1.attrib != e2.attrib:
return False
if len(e1) != len(e2):
return False
return all(self.assertEqualXML(c1, c2) for c1, c2 in zip(e1, e2))
