Thanks Stifan and Anthony.
Anthony, I changed the code accordingly. Is a no go. Below the traceback. I
am expecting the result back. Is a simple multiplication between the
discount (which is according to the supplier selected by the user) and the
price the user inputs in the system.
THanks
Traceback
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Traceback (most recent call last):
File "/home/gs/Applications/web2py/gluon/main.py", line 482, in wsgibase
session._try_store_in_cookie_or_file(request, response)
File "/home/gs/Applications/web2py/gluon/globals.py", line 1193, in
_try_store_in_cookie_or_file
return self._try_store_in_file(request, response)
File "/home/gs/Applications/web2py/gluon/globals.py", line 1200, in
_try_store_in_file
or self._unchanged(response)):
File "/home/gs/Applications/web2py/gluon/globals.py", line 1145, in _unchanged
session_pickled = pickle.dumps(self, pickle.HIGHEST_PROTOCOL)
PicklingError: Can't pickle <type 'instancemethod'>: attribute lookup
__builtin__.instancemethod failed
On Thursday, February 9, 2017 at 3:38:16 AM UTC-8, Anthony wrote:
>
>
>
>> def product_calc():
>> form = SQLFORM.factory(
>> Field('supplier',label='Supplier',requires=IS_IN_DB(db,db.supplier.id
>> ,'%(name)s')),
>>
>> Field('costprice',label='Cost/Price',requires=[IS_FLOAT_IN_RANGE(0,100),IS_NOT_EMPTY()]),
>> Field('uom',label='SQF or
>> PC',default='PC',requires=(IS_IN_SET(UOM_SET))))
>>
>> suplidor = db().select(db.supplier.id,db.supplier.discount)
>> thisrec = db.supplier(request.args)
>>
>>
>> if form.process().accepted:
>>
>> response.flash = 'form accepted'
>> session.supplier = form.vars.supplier
>> session.costprice = form.vars.costprice
>> session.descuento = db.supplier.discount
>>
>
> db.supplier.discount is a DAL Field object, not a value of that field from
> an individual record. Presumably you want to set session.descuento to
> something like thisrec.discount or db.supplier(form.vars.supplier).discount.
>
> As an aside, it helps if you explain the specific problem you are having
> (i.e., what do you expect, and what do you observer instead -- in
> particular, report any errors and tracebacks).
>
> Anthony
>
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