def from_xml(self, xml_str):
doc = minidom.parseString(xml_str)
self.pos = doc.firstChild.nodeName
for child_node in doc.firstChild.childNodes:
if child_node.nodeType == child_node.TEXT_NODE:
continue
if child_node.nodeName == "grounding":
self.groundings = Groundings()
self.groundings.from_xml(child_node.toxml())
else:
if is_word_type(child_node.nodeName):
w = {}
w["type"] = child_node.nodeName
w["text"] = child_node.getAttribute("text")
self.words.append(w)
elif is_phrase_type(child_node.nodeName):
factor = Factor()
factor.from_xml(child_node.toxml())
self.children.append(factor)
