hou.node function
Find a node, given either an absolute or a relative path to it. Relative path searches are done from the node returned by , so hou.node(path) is a shortcut for hou.pwd().node(path). Returns None if no node exists at that path.
node(path) → Node or None
When a parameter is evaluating, hou.pwd returns the node containing that parameter, so hou.node() can be used inside expressions to perform relative node references.
This function throws a hou.NotAvailable exception if you call it from mplay.