[Erp5-dev] Programatically rendering documents

[Jean-Paul Smets]

Jacek Medrzycki a écrit :
> Hi.
>
> When I call an ERP5 object, I get the html representing the rendered 
> view of the object. The code is similar to the following:
>
> obj = portal.restrictedTraverse(object_path)
> html_repr = obj()
>
> and here html_repr contains html code.
>
>   
This behaviour is not garanteed. For example, File behaves differently.
You can not rely on the fact that obj() will render the default view of
an object.
Use instead
    obj.view()

BTW, using abbreviations is not conformant to ERP5 naming conventions.

    obj -> object
    html_repr -> html_representation

Please refer to naming conventsion for explanation.
> It works for almost all Portal Types, except for Payment Transaction, in 
> which case html_repr is like following:
> http://localhost/erp5/accounting_module/9/view?portal_status_message=Accounting%20Transaction%20Line%20added.&selection_index:int=0&selection_name=
>
>   
No idea for this one. Anyway, calling __call__ is not the appropriate way.
Can you please try view() instead. Based on the results, I may search
for you what is going on.
> This looks like a kind of redirect. The "portal_status_message" part 
> sugggests that Transaction Line was created and, indeed, it was! But 
> why? Shouldn't a object_view action be called when an object is called? 
> Why the Transaction Line is beeing created? No object_view action 
> creates Transaction Line, as I see. How can I render programatically the 
> Payment Transaction?
>
> TIA
> Jacek
>
>
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>   


-- 
Jean-Paul Smets-Solanes, Nexedi CEO - Tel. +33(0)6 62 05 76 14
Nexedi: Consulting and Development of Libre / Open Source Software
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