I have a simple schema based on the "Article" ArchExample schema  which
uses the " RichWidget" for file  upload.
The product worked fine in Zope2.6.1/Plone1 but does not work in
I am getting a  "RuntimeError: maximum recursion depth exceeded" error
while trying to view the uploaded file

Traceback (innermost last):
Module ZPublisher.Publish, line 175, in publish_module_standard
Module Products.PlacelessTranslationService.PatchStringIO, line 51, in
Module ZPublisher.Publish, line 132, in publish
Module Zope.App.startup, line 204, in zpublisher_exception_hook
Module ZPublisher.Publish, line 95, in publish
Module Zope.App.startup, line 258, in recordMetaData
Module OFS.SimpleItem, line 333, in getPhysicalPath
Module OFS.SimpleItem, line 76, in <lambda>
Module OFS.SimpleItem, line 310, in getId
Module OFS.SimpleItem, line 76, in <lambda>
Module OFS.SimpleItem, line 310, in getId
Module OFS.SimpleItem, line 76, in <lambda>
RuntimeError: maximum recursion depth exceeded (Also, an error occurred
while attempting to render the standard error message.)
----- END Traceback

I googled and found that it is zope bug (issue# 1253, URL:http://www.zope.org/Collectors/Zope/1253). I also, found similar this error is documented in Bug#928693 & 909894 in Plone2.

Diater suggested a workaround (in zope Issue# 1253) which I don't quite understand being a python newbie.

From Dieter:

>This is a bug in "OFS.SimpleItem.Item_w__name__".
> In its base class, "__name__" is defined as
> "ComputedAttribute(lambda self: self.getId())"
> and it defines "getId()" to return "self.__name__".
> Apparently, this is an infinite recursion.
>Please file a bug report to "http://www.zope.org/Collectors/Zope <http://www.zope.org/Collectors/Zope/1253/>".
>You can fix this problem by giving "Item_w__name__" a default
>class level attribute or "__name__ = ''".
>You can work around the bug by assigning an "id" for your
>object with its "_setId" method (this overrides "__name__").

Could someone please tell me where/what code I should make this changes?

I posted this before in Plone list but did not get any response, may be because it is
a Zope issue.

My platform details:
Zope Version (Zope 2.7.5-final, python 2.3.4, freebsd5)
Python Version 2.3.4 (#2, Oct 21 2004, 17:49:27) [GCC 3.3.3 [FreeBSD] 20031106]
Plone version: 2.0.5
Archetype version: 1.2.5-rc5

Any help is greatly appreciated.


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