I have a Python product which defines a __before_publishing_traverse_
method. At last I thought it would all work fine now...
Now I added one of my User Folder objects and got an exception because
__before_publishing_traverse__ was called with only two arguments
instead of three. Quite curious (because of course I don't call this
method myself) I had a look at ZPublisher/BaseRequest.py, line 251, and
noticed it is called there without providing the REQUEST. When I
monkeypatched this method to hand over the request as the third
argument, Zope complained that the "global name 'UNSPECIFIED_ROLES'"
was not defined (and nothing worked anywhere anymore).
So should I make the REQUEST an _optional_ argument to my
__before_publishing_traverse__ method? But the purpose of my b.p.t.
method is to remove up to two path elements from
REQUEST['TraversalRequestNameStack'] and set request variables
appropriately, so what is the purpose of this call in BaseRequest? Is
there an article anywhere which explains the whole topic in an
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