I have a problem importing objects (Yihaw Folder derived from Object Manager) on 2.2.4 and Transparent Folder (see traceback at the end). Some months ago i had some similar problem with the first/removed Transparent Folder version. Is this same problem still there on Transparent Folder 0.3, or do i have to search the problem elsewhere for a workaround ? Any idea about a temporary workaround for importing such objects ? Because it will be quite difficult to transfer things from developpement server to production server. This is what Shane respond to this earlier problem. I was not able to see if TP0.3 is now ObjectManager safe or not.
The TransparentFolders product patches ObjectManager so that objects in transparent folders are searched. Unfortunately, the patch causes the pickling mechanism to fail when ZODB pickles a class definition derived from ObjectManager. The reason it fails is because the pickler doesn't recognize the new __getattr__ method as a Python Method and tries to pickle it, which is not possible. There is actually a way to solve that bug by patching more Zope source, but I don't think that's the right solution.
The better solution will involve the same method SiteAccess uses to change traversal behavior. Once SiteAccess has settled, it should be easy to create a much improved TransparentFolders. But for now, I have removed TransparentFolders from the available products.
This is the new traceback : {HYPERLINK "http://www.zope.org/Credits"}{PRIVATE "TYPE=PICT;ALT=Powered by Zope"}{HYPERLINK "http://www.zope.org/Credits"}Traceback (innermost last): File C:\Zope\Portal224\lib\python\ZPublisher\Publish.py, line 222, in publish_module File C:\Zope\Portal224\lib\python\ZPublisher\Publish.py, line 187, in publish File C:\Zope\Portal224\lib\python\Zope\__init__.py, line 221, in zpublisher_exception_hook (Object: ApplicationDefaultPermissions) File C:\Zope\Portal224\lib\python\ZPublisher\Publish.py, line 171, in publish File C:\Zope\Portal224\lib\python\ZPublisher\mapply.py, line 160, in mapply (Object: manage_importObject) File C:\Zope\Portal224\lib\python\ZPublisher\Publish.py, line 112, in call_object (Object: manage_importObject) File C:\Zope\Portal224\lib\python\OFS\ObjectManager.py, line 537, in manage_importObject (Object: ApplicationDefaultPermissions) File C:\Zope\Portal224\lib\python\OFS\CopySupport.py, line 406, in _verifyObjectPaste (Object: ApplicationDefaultPermissions) Copy Error: (see above) Regards. Didier.