[Setup] Migrating from ATPhoto to Image

Florian Sesser flomaillist at cosetrain.com
Tue Sep 18 22:37:24 UTC 2012

Thank you Gauthier for your help!

However, I'm not able to understand your transmogrifier very well. The 
Plone code is so full of indirection, it's melting my brain.

What I've done now:

Using hints from [1]

   * I first found out that I'm likely not able to convert between types 
without having both all corresponding Products installed (that is, I can 
do the migration only in the old version of the site, using a special 
"upgrade" instance I created for the purpose). Is that correct? It may 
be obvious, but then again I'm pretty much a Plone newbie (mostly did 
theming so far and light customizations)

   * Then, to my amazement, I found that almost all of our images are 
indeed Images, not ATPhotos:
     >>> len(app.gemeinde_1.portal_catalog(portal_type="ATPhoto"))

   * Twelve. I'm going to do these by hand, as I suppose that's faster 
then getting Products.contentmigration up and running in ancient Plone 

Thanks again and sorry for the fuss!



On 2012-09-18 14:11, Gauthier Bastien wrote:
> Hi,
> we wrote a transmogrifier blueprint for this as we where using
> ATPhoto with Plone 2.5.x an no more after...
> See it here :
> http://svn.communesplone.org/svn/communesplone/communesplone.transmogrifier.ATPhoto2ATImage/
> Use it with quintagroup.transmogrifier.  You should export your
> content (ATPhotos) from your Plone 2.5x site and import them into the
> Plone4 one...
> You could even if possible export the entire content from 2.5 and
> recreate it into your Plone4 site...
> Have a nice day,
> Gauthier Bastien
> Support IMIO - CommunesPlone
> rue de la Vieille Sambre 34
> 5190 Mornimont
> Tél: +32(0)71 780979
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> Le 18/09/12 13:58, Florian Sesser a écrit :
>> Hello all!
>> I am doing an upgrade from 2.1 to 4.2. I have a bunch of of 
>> ATPhotos, a content type now deprecated. I would like to migrate all 
>> content of this type to usual "Image"s while retaining IDs so all 
>> pages using ATPhotos still work.
>> I cannot get my head around the Products.contentmigration tool. 
>> Combining what I understood from 
>> http://plone.org/documentation/kb/richdocument/migrations and 
>> http://stackoverflow.com/questions/7255932/migrating-from-now-obsolete-custom-atimage-content-type, 
>> I came to this: http://pastie.org/4746670. I defined it as an 
>> External Method in my Plone site root, but calling it from my browser 
>> just returns an HTTP 204 "No Content" as well as only one blank line 
>> output stdout/stderr when running Plone with "plonectl fg".
>> When I have incorrect syntax in my file, I at least receive an error 
>> -- but ATM, I get nothing. It seems to me like the walker does not 
>> find any items or so? I'm stuck.
>> Thanks for reading,
>> Florian
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>> Setup at lists.plone.org
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