def deserialize_from_dict(
nodes_data: List[Dict[str, Any]], parent: hou.Node
) -> List[hou.Node]:
nodes = []
for node_data in nodes_data:
node_instance = node.deserialize_from_dict(node_data, parent)
nodes.append(node_instance)
# create connections
for node_data in nodes_data:
node_instance: hou.Node = parent.node(node_data["name"])
if node_instance:
for connection_data in node_data["inputConnections"]:
input_node = parent.node(connection_data["inputNode"])
if input_node:
node_instance.setInput(
input_index=connection_data["inputIndex"],
item_to_become_input=input_node,
output_index=connection_data["outputIndex"],
)
return nodes
def deserialize_from_dict(
node_data: Dict[str, Any], parent: hou.Node
) -> hou.Node:
node_instance: hou.Node = parent.node(node_data["name"])
if not node_instance:
node_instance = parent.createNode(
node_type_name=node_data["type"]["name"],
node_name=node_data["name"],
)
node_instance.setPosition(
vector2.deserialize_from_dict(node_data["position"])
)
# apply parameter changes
exceptions: List[str] = []
for parm_name, parm_data in node_data["parms"].items():
parm: hou.Parm = node_instance.parm(parm_name)
try:
if parm:
node_instance.parm(parm_name).set(parm_data["rawValue"])
except TypeError:
exceptions.append(parm_data)
if exceptions:
print(
"Unable to set the following parameters on '{}': {}".format(
node_instance.name(), ", ".join(exceptions)
)
)
# deserialize children
children = nodes.deserialize_from_dict(
node_data["children"].values(), node_instance
)
return node_instance