class NodeType(types.Type):
schema = {
'derived_from': types.TypeDerivedFrom,
'interfaces': operation.NodeTypeInterfaces,
'properties': _data_types.SchemaWithInitialDefault,
}
requires = {
'self': [
requirements.Value('super_type',
predicate=types.derived_from_predicate,
required=False)
],
_data_types.DataTypes: [requirements.Value('data_types')]
}
def parse(self, super_type, data_types):
node_type = self.build_dict_result()
if not node_type.get('derived_from'):
node_type.pop('derived_from', None)
if super_type:
node_type[constants.PROPERTIES] = utils.merge_schemas(
overridden_schema=super_type.get('properties', {}),
overriding_schema=node_type.get('properties', {}),
data_types=data_types)
node_type[constants.INTERFACES] = interfaces_parser. \
merge_node_type_interfaces(
overridden_interfaces=super_type[constants.INTERFACES],
overriding_interfaces=node_type[constants.INTERFACES])
node_type[constants.TYPE_HIERARCHY] = self.create_type_hierarchy(
super_type)
self.fix_properties(node_type)
return node_type
class TestChild(elements.Element):
schema = elements.Leaf(type=str)
requires = {
'self': [requirements.Value(
'req',
multiple_results=True,
predicate=predicate)]
}