def load_from_layer_data(cls, layer_data):
new_layer = cls()
result_nodes = {}
name_attr = nxt_node.INTERNAL_ATTRS.NAME
name_key = nxt_node.INTERNAL_ATTRS.as_save_key(name_attr)
for node_path, node_data in layer_data.get('nodes', {}).items():
parent_path = nxt_path.get_parent_path(node_path)
node_name = nxt_path.node_name_from_node_path(node_path)
node_data[name_key] = node_name
spec_node = nxt_node.create_spec_node(node_data, new_layer,
parent_path)
code_lines = getattr(spec_node, nxt_node.INTERNAL_ATTRS.COMPUTE)
code = '\n'.join(code_lines)
setattr(spec_node, nxt_node.INTERNAL_ATTRS.CACHED_CODE, code)
result_nodes[node_path] = spec_node
new_layer.nodes = result_nodes
return new_layer
def _construct_node_specs(self, layer_data):
self.spec_list = []
self._nodes_path_as_key = {}
self._nodes_node_as_key = {}
nodes = order_nodes_dict(layer_data.get(SAVE_KEY.NODES, {}))
for node_path, node_data in nodes.items():
parent_path = nxt_path.get_parent_path(node_path)
root_name = nxt_path.node_name_from_node_path(node_path)
node_data['name'] = root_name
node_data[nxt_node.INTERNAL_ATTRS.SOURCE_LAYER] = self.real_path
root_spec_node = nxt_node.create_spec_node(node_data, self,
parent_path=parent_path)
root_parent_path = getattr(root_spec_node,
nxt_node.INTERNAL_ATTRS.PARENT_PATH)
root_node_path = nxt_path.join_node_paths(root_parent_path,
root_name)
self.spec_list += [root_spec_node]
self._nodes_path_as_key[root_node_path] = root_spec_node
self._nodes_node_as_key[root_spec_node] = root_node_path
self.clear_node_child_cache(root_node_path)
