[Zope] Finding unused products

Tres Seaver tseaver at palladion.com
Mon Nov 30 10:59:27 EST 2009

Hash: SHA1

Gaute Amundsen wrote:
> On Sun, 2009-11-29 at 16:05 -0500, Tres Seaver wrote:
>> Hash: SHA1
>> Gaute Amundsen wrote:
>>> On Sun, 2009-11-29 at 12:32 +0100, Jens Vagelpohl wrote:
>>>> On Nov 29, 2009, at 11:59 , Gaute Amundsen wrote:
>>>>> Quick question before I reinvent.
>>>>> Is there some established way of finding products which have no
>>>>> instances in zodb, and can be safely removed?
>>>> No there isn't. You may have to invest some time writing a script that
>>>>  visits all objects to find out what products they belong to. It may
>>>>  not be worth the effort.
>>>> jens
>>> Unfortunately it has "not been worth the effort" for a number of years,
>>> but now it has become unavoidable.
>>> Walking the tree it is then.
>> You could probably work directly with the pickles way faster than
>> activating every object in a large site:  look at the 'fsdump' script
>> for clues.
>> Tres.
> Thanks for the tip, but testing a few tings now, it seems I would
> probably spend way more time on the learning-curve than I'd save in
> parsing.
> I think, I'll rather stick my expensive parse results i a table, and
> work from that.
> Unless you think otherwise and can point me towards how to get both the
> path, and the metatype out of that pickle. :-)

The pickle holds the dotted name of the instance class, which should be
a clue. ;)

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Tres Seaver          +1 540-429-0999          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
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