[Zope] way the acquired a path

Hi, I'm looking for a method to do the following thing: I have a variable called path with content '/test/abc/defg'. If I want to call the object behind this path from an object in an other path which can't acquire the Folder abc or abject defg, which is the function looking for ? my object is in path /test/xyz/ and has id t and is a PythonScript def t (self, path): # path is /test/abc/defg or ['test','abc','defg'] how to get the object behind the path ? Thanks Dirks