Re: [Zope-dev] ZPatterns bug. Very serious.

2000-06-23 Thread Phillip J. Eby

At 01:06 PM 6/23/00 +0800, mike wrote:

There _IS_ a problem. Maybe _v_cachedAttr is not a guilty, but do you
know it exists only in newly created objects and do _not_ exists in
old?.

The attribute cache is created only when used in a transaction, so if you
retrieve a persistent object from a Rack and immediately dump its
dictionary, the cache will not exist.

Anyway, newly created DataSkin instances return wrong REQUEST (and
other things) but _old_ retrieved ones work good. I tell you this
because it is impossible to obtain AUTHENTICATE_USER from fresh
DataSkins, so things like 'manage_tabs' just do not work properly. Try
set up Rack for any real ZClass and you see this.

I'm not currently seeing this, but the work Ty and I are doing with Racks
at present involves objects which are not actually stored in the ZODB, so
perhaps we're missing a bug with things that are stored in the ZODB, like
the last one you found.  But as far as I know, Rack.getItem() should always
return an object whose acquisition context is the Specialist.


If you'd like I send you complete test suite reproducing the situation.

Please do.  Thanks.


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Re: [Zope-dev] ZPatterns bug. Very serious.

2000-06-22 Thread mike

Well, it should be:

 ##
 # Add this to see what I mean
 
 try :
 print "%s 'self'=%s" % (
 key,
 slot.values()[0].__dict__
 )
 except :
 print "Nothing to print"
 #
 ###

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