[Erp5-dev] storing binary data in content objects

bartek bartek at erp5.pl
Sat Nov 24 15:48:44 CET 2007


Jérome Perrin wrote:
> bartek a écrit :
>> Hello
>>
>> I tried to use the content storage mechanism - the one that works so 
>> nicely for email, phone number, career etc - to store a picture (e.g. an 
>> image of a person). Tried to define a property normally:
>>
>>          { 'id'                       : 'picture'
>>          , 'storage_id'               : 'default_picture'
>>          , 'description'              : 'The current picture of the person'
>>          , 'type'                     : 'content'
>>          , 'portal_type'              : ( 'Image', )
>>          , 'acquired_property_id'     : ( 'file', 'data')
>>          , 'mode'                     : 'w'
>>          },
>>
>> and added a FileField named "my_picture_file" or 
>> "my_default_picture_file" to a Person_view form.
>>
>> But it doesn't work as expected - when I upload a file to a Person 
>> object, the system creates an Image object named "default_picture" but 
>> the "data" attribute of the Image contains file name instead of data.
>>
>> And I'm confused - I thought that ERP5 would create a content object and 
>> just pass on what it received to the object's setter method, but 
>> apparently it does something else in the meantime. Any hint?
> 
> Hello,
> 
> You should use ERP5/PropertySheet/DefaultImage.py
> I think what's missing is this line:
>        'acquisition_accessor_id'   : 'getDefaultImageValue',
> 

What was really missing, was some grey cells in my brain :) I forgot to 
set form encoding to multipart...

B.

> Jérome
> 
> 
> 
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