'Get a tuple of the str keys and int indices for this object\'s path.
:return: (tuple)'

def _get_path(self):

    path = []
    parents = self._get_parents()
    parents.reverse()
    children = ([self] + parents[:(-1)])
    for (parent, child) in zip(parents, children):
        path.append(child._parent_key)
    path.reverse()
    return tuple(path)
