On Tuesday, December 3, 2013 3:25:06 PM UTC-8, 黄祥 wrote:
>
> please try not tested :
> edit_in_form = 'edit' in request.args
> db.product.price.writable = not edit_in_form 
>
> or
>
> edit_in_form = request.args[-3] == 'edit'
> db.product.price.writable = not edit_in_form 
>

I'd expect the 2nd suggestion to be problematic in the same way as the OP's 
formulation, if request.args doesn't have the expected len.
maybe a diagnostic print/log to examine the size?

/dps
 

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