The lambda functions don't get called until the your data are actually
rendered, which happens after the second set of assignments to
some_function, some_action, etc. -- so both lambda functions end up using
the same (second) set of values for those variables.
Anthony
On Wednesday, October 26, 2011 1:40:02 PM UTC-4, Lazarof wrote:
>
> ## The code ...
> from gluon.contrib.populate import populate
>
> db.define_table('product',
> Field('field_n1'),
> Field('field_n2'))
>
> if db(db.product).isempty():
> populate(db.product, 17)
>
> some_function = 'function_n1'
> some_action = 'action_n1'
> some_table = 'table_n1'
> back_to = 'back_to_pt01'
> db.product.id.represent = lambda value,row: A('Ed',
> _href=URL(f=some_function, args=(some_action, some_table, back_to,
> value)))
>
> ## (1)
> ## when id=1 as a result I expect a link named Ed with href = '../app/
> default/function_n1/action_n1/table_n1/back_to_pt01/1'
>
> some_function = 'function_n2'
> some_action = 'action_n2'
> some_table = 'table_n2'
> back_to = 'back_to_pt02'
> db.product.field_n1.represent = lambda value,row: A(value,
> _href=URL(f=some_function, args=(some_action, some_table, back_to,
> row.id)))
>
> ## (2)
> ## when id=1 as a result I expect the content of field_n1 with href =
> '../app/default/function_n2/action_n2/table_n2/back_to_pt02/1'
>
> ## (3) and here is the question ...
> ## for both (1) and (2)
> ## I am geting href = '../app/default/function_n2/action_n2/table_n2/
> back_to_pt02/1'
> ## Is that correct?
>
>
> ## with this code I get what I am expecting
> ##xsome_function = 'function_n2'
> ##xsome_action = 'action_n2'
> ##xsome_table = 'table_n2'
> ##xback_to = 'back_to_pt02'
> ##db.product.field_n1.represent = lambda value,row: A(value,
> _href=URL(f=xsome_function, args=(xsome_action, xsome_table, xback_to,
> row.id)))
>
>
> Can someone switch on the light, please.
> Lazaro
