Python: Elegent way to get an iterable of all parents in a path

Working with a path-based resource system, the application needs to find the first working resource that manages a given resource based on paths. I need a succinct, pythonic way to generate the following:

Input:

/house/dogs/ralph/bone

Output:

/house/dogs/ralph/bone/house/dogs/ralph/house/dogs/house

Note: It's okay to use os.path or similar built-ins, but these are not filesystem resources. Output can be anything iterable (list, set, generator, etc.).