xmlmanager.py 文件源码

def marshal_object(self, obj, doc=None):
        if not doc:
            doc = self.new_doc()
        if not doc:
            doc = self.doc
        obj_node = doc.createElement('object')

        if obj.id:
            obj_node.setAttribute('id', obj.id)

        obj_node.setAttribute('class', '%s.%s' % (obj.__class__.__module__,
                                                  obj.__class__.__name__))
        root = doc.documentElement
        root.appendChild(obj_node)
        for property in obj.properties(hidden=False):
            prop_node = doc.createElement('property')
            prop_node.setAttribute('name', property.name)
            prop_node.setAttribute('type', property.type_name)
            value = property.get_value_for_datastore(obj)
            if value is not None:
                value = self.encode_value(property, value)
                if isinstance(value, list):
                    self.save_list(doc, value, prop_node)
                elif isinstance(value, Node):
                    prop_node.appendChild(value)
                else:
                    text_node = doc.createTextNode(six.text_type(value).encode("ascii", "ignore"))
                    prop_node.appendChild(text_node)
            obj_node.appendChild(prop_node)

        return doc