Sorry, the function must be return a string in order to concatenate with
the filename
El mar 27, 2013 4:59 PM, "Roberto Perdomo" <[email protected]> escribió:
> And what about something like this:
>
> Field('image_filename', readable=False, writable=False, compute = lambda
> row: request.post_vars.image.filename + next_id())
>
> def next_id():
> last_row = db().select(db.table.id).last()
> last_id = int(last_row[`table.id`])
> return last_id + 1
>
> This was written from my cel phone and dont test it but hope that helps
> ;-)
> El mar 27, 2013 3:25 PM, "Roberto Perdomo" <[email protected]>
> escribió:
>
>> :-S
>> I was thinking on represent attribute from fields, not compute.
>> El mar 27, 2013 3:07 PM, "Niphlod" <[email protected]> escribió:
>>
>>> boys ..... how can the id be present if what you're trying to insert is
>>> not yet a row in a table ????
>>>
>>> On Wednesday, March 27, 2013 8:18:38 PM UTC+1, Roberto Perdomo wrote:
>>>>
>>>> Ummm, the id is readable?
>>>>
>>>> db.table.id.readable = True
>>>> El mar 27, 2013 12:55 PM, "Tito Garrido" <[email protected]> escribió:
>>>>
>>>>> I just checked... id is not present:
>>>>> "<Row {'artista': 387, 'nome': 'aaaa', 'image': 'personagem.image.**
>>>>> b2754a53c6cdcc7e.**69626d2d4c6f676f2e6a7067.jpg', 'novela': '9',
>>>>> 'slug': 'aaaa', 'descricao': 'aaaa'}>"
>>>>>
>>>>>
>>>>> On Wed, Mar 27, 2013 at 2:24 PM, Roberto Perdomo
>>>>> <[email protected]>wrote:
>>>>>
>>>>>> Try:
>>>>>>
>>>>>> Field('image_filename', readable=False, writable=False, compute =
>>>>>> lambda row: request.post_vars.image.**filename + row.id),
>>>>>> El mar 27, 2013 12:39 PM, "Tito Garrido" <[email protected]>
>>>>>> escribió:
>>>>>>
>>>>>> How could I also append the id of the row in image_filename?
>>>>>>>
>>>>>>> Thanks!
>>>>>>>
>>>>>>> Tito
>>>>>>>
>>>>>>>
>>>>>>> On Mon, Mar 25, 2013 at 4:58 PM, Tito Garrido <[email protected]>wrote:
>>>>>>>
>>>>>>>> Worked! It should go to the book :) http://web2py.com/books/**
>>>>>>>> default/chapter/29/07#Storing-**the-original-filename<http://web2py.com/books/default/chapter/29/07#Storing-the-original-filename>
>>>>>>>>
>>>>>>>> Thanks!
>>>>>>>>
>>>>>>>> Tito
>>>>>>>>
>>>>>>>>
>>>>>>>> On Mon, Mar 25, 2013 at 4:53 PM, Massimo Di Pierro <
>>>>>>>> [email protected]> wrote:
>>>>>>>>
>>>>>>>>> You can use this:
>>>>>>>>> Field('image_filename', readable=False, writable=False, compute =
>>>>>>>>> lambda row: request.post_vars.image.**filename),
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Monday, 25 March 2013 13:28:19 UTC-5, Tito Garrido wrote:
>>>>>>>>>>
>>>>>>>>>> Hi!
>>>>>>>>>>
>>>>>>>>>> Why this does not work:
>>>>>>>>>> Field('image', 'upload', requires=IS_NOT_EMPTY(),
>>>>>>>>>> uploadseparate=True, autodelete=True,),
>>>>>>>>>> Field('image_filename', readable=False, writable=False,
>>>>>>>>>> compute = lambda row: row.image.filename),
>>>>>>>>>>
>>>>>>>>>> Using a form I can follow the book and fill the image filename:
>>>>>>>>>> if request.vars.image!=None:
>>>>>>>>>> try:
>>>>>>>>>> form.vars.image_filename = request.vars.image.filename
>>>>>>>>>> except:
>>>>>>>>>> form.vars.image_filename = request.vars.image
>>>>>>>>>>
>>>>>>>>>> How can I do the same using SQLFORM.grid?
>>>>>>>>>>
>>>>>>>>>> Regards,
>>>>>>>>>>
>>>>>>>>>> Tito
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>>
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