[Zope-dev] ZPatterns sub-Specialist traversal

[Michael R. Bernstein]

Hello all,

I've been trying to follow the instructions for getting
subSpecialist instances to appear as directly traversable
from Specialist instances, but have not yet had any success.

Here is what I've done:

ArchiveImages (Specialist)
 defaultRack
  traversal_method (Python Script)
  traversal (SkinScript)
 Renderings (sub-Specialist)
  defaultRack

traversal_method has 'REQUEST, name' as parameters, and the
following body:

return getattr(container.Renderings, name)

The 'traversal' SkinScript has the following body:

WITH SELF COMPUTE __bobo_traverse__=traversal_method


Nevertheless, when I try to traverse an instance in the
Specialist to an instance into the subspecialist, I get an
error:

http://localhost:8080/ArchiveImages/001/002

Resource not Found

Traceback (innermost last):
  File
/usr/local/zope/2-3-1/lib/python/ZPublisher/Publish.py, line
223, in publish_module
  File
/usr/local/zope/2-3-1/lib/python/ZPublisher/Publish.py, line
187, in publish
  File /usr/local/zope/2-3-0/lib/python/Zope/__init__.py,
line 221, in zpublisher_exception_hook
    (Object: 001)
  File
/usr/local/zope/2-3-1/lib/python/ZPublisher/Publish.py, line
162, in publish
  File
/usr/local/zope/2-3-1/lib/python/ZPublisher/BaseRequest.py,
line 372, in traverse
  File
/usr/local/zope/2-3-1/lib/python/ZPublisher/HTTPResponse.py,
line 547, in notFoundError
NotFound: (see above)

The 002 sub-Specialist instance exists and is accessable
normally
(http://localhost:8080/ArchiveImages/Renderings/002), so I
must be doing something wrong in the PythonScript or the
SkinScript, but I don't know what.

Any help would be appreciated,

Michael Bernstein.