serializer.py 文件源码

def _from_xml_node(self, node, listnames):
        attrNil = node.get(str(etree.QName(constants.XSI_NAMESPACE, "nil")))
        attrType = node.get(str(etree.QName(
            self.metadata.get('xmlns'), "type")))
        if (attrNil and attrNil.lower() == 'true'):
            return None
        elif not len(node) and not node.text:
            if (attrType and attrType == constants.TYPE_DICT):
                return {}
            elif (attrType and attrType == constants.TYPE_LIST):
                return []
            else:
                return ''
        elif (len(node) == 0 and node.text):
            converters = {constants.TYPE_BOOL:
                          lambda x: x.lower() == 'true',
                          constants.TYPE_INT:
                          lambda x: int(x),
                          constants.TYPE_LONG:
                          lambda x: long(x),
                          constants.TYPE_FLOAT:
                          lambda x: float(x)}
            if attrType and attrType in converters:
                return converters[attrType](node.text)
            else:
                return node.text
        elif self._get_key(node.tag) in listnames:
            return [self._from_xml_node(n, listnames) for n in node]
        else:
            result = dict()
            for attr in node.keys():
                if (attr == 'xmlns' or
                        attr.startswith('xmlns:') or
                        attr == constants.XSI_ATTR or
                        attr == constants.TYPE_ATTR):
                    continue
                result[self._get_key(attr)] = node.get(attr)
            children = list(node)
            for child in children:
                result[self._get_key(child.tag)] = self._from_xml_node(
                    child, listnames)
            return result