def _from_xml(self, datastring):
if datastring is None:
return None
plurals = set(self.metadata.get('plurals', {}))
try:
node = etree.fromstring(datastring)
root_tag = self._get_key(node.tag)
links = self._get_links(root_tag, node)
result = self._from_xml_node(node, plurals)
# There is no case where root_tag = constants.VIRTUAL_ROOT_KEY
# and links is not None because of the way data are serialized
if root_tag == constants.VIRTUAL_ROOT_KEY:
return result
return dict({root_tag: result}, **links)
except Exception as e:
parseError = False
# Python2.7
if (hasattr(etree, 'ParseError')
and isinstance(e, getattr(etree, 'ParseError'))):
parseError = True
# Python2.6
elif isinstance(e, expat.ExpatError):
parseError = True
if parseError:
msg = _("Cannot understand XML")
raise exception.MalformedResponseBody(reason=msg)
else:
raise
def _from_json(self, datastring):
try:
return jsonutils.loads(datastring)
except ValueError:
msg = _("Cannot understand JSON")
raise exception.MalformedResponseBody(reason=msg)
