[Erp5-dev] own getter

[bartek]

Łukasz Nowak wrote:
> Hello,
> 
> On 2008-03-05, 13:11:44
> Tomasz Brzezina <tomasz at brzezina.pl> wrote:
> 
>> I made two new properties in PropertySheet/cavempPersonProperty.py
>>
>> and after adding it in right portal_types - everything works
>> perfectly. But now I need an concatenation of those two which i need
>> in listbox -
>>
>> so I have to made a getter which returns a concatenation. The
>> question is: WHERE should I wrote the code. I think the 
>> PropertySheet/cavempPersonProperty.py is the wrong place - but I have
>> no idea where is the right place. Of course I can write it in
>> anywhere patching the existing code, but this will broke updating. So
>> where should I put my code.
> 
> I hit same problem some time ago - I needed to made my own accessor.
> What I done is getter in ZODB, and my property definition looks like:
> 
>     {
>       'id'          : 'trade_name',
>       'description' : 'Trade name of resource',
>       'type'        : 'string',
>       'mode'        : 'w',
>       'acquisition_base_category' : ('object',),
>       'acquisition_portal_type' : Expression('python: []'),
>       'acquisition_accessor_id' : 'getTradeName',
>       'alt_accessor_id' : ('Base_getTradeName',),
>       'acquisition_mask_value' : 1,
>       'default'     : '',
>     },
> 

Cool - I never thought about doing it like that. Why is it not on the wiki??

Bartek

> And Base_getTradeName is script in ZODB, which is doing all magic. That
> way I've got nice getTradeName method on objects, which is
> configurable using Base_getTradeName.
> 
> Regards,
> Luke
> 


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