[CPS-devel] Re: context not available in read expression forcreation of documents

[JoseLuis de la Rosa Triviño]

I modified the expression to 

{{{python:portal.portal_directories.members[context.aq_parent.getId()].center}}} 

I have problems to get the folder where this content was just created in. For this statement context.aq_parent.getId(), context is None. Even object and proxy are None too. 

I've also tried to create a new field "id" in the same schema to set it (when the content is created) to the value I need. In that case, the statement would look like this

{{{python:portal.portal_directories.members[id].center}}}

but even here id is None.

This expression is assessed in the same transaction that the content is created, may that be a problem?

Thank you very much.

JoseLuis de la Rosa Triviño 
Becario Área de Sistemas de Información 
FUNDACIÓN IAVANTE 
joseluis.rosa at iavantefundacion.com 
Tel. 951 015 300 


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-----Mensaje original-----
De: Florent Guillaume [mailto:fg at nuxeo.com] 
Enviado el: jueves, 15 de junio de 2006 1:10
Para: List CPS-devel
Asunto: Re: [CPS-devel] Re: context not available in read expression forcreation of documents


On 14 Jun 2006, at 21:08, Yves Bastide wrote:

> JoseLuis de la Rosa Triviño wrote:
>> I'm using this expression  
>> {{{python:context.portal_directories.members 
>> [context.aq_parent.getId()].center}}} as "Read: Expression" for a  
>> schema field. It works fine when the document is already created,  
>> but when I create a new content an exception is raised because  
>> context is None and it can't get portal_directories.
> [...]
>> The question is: what can I use instead of context to get that  
>> field from members entry?
>
> What's your expression returning?  Can it use user?  The namespace  
> is defined in CPSSchemas.Field._createStorageExpressionContext, I  
> think.
>

And documented in CPSShemas/doc/fields.txt (maybe not completely up  
to date).

Florent

-- 
Florent Guillaume, Nuxeo (Paris, France)   Director of R&D
+33 1 40 33 71 59   http://nuxeo.com   fg at nuxeo.com



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