On Friday, September 28, 2012, Babatunde Akinyanmi wrote:
> Let me try to assist. A forms is_valid method causes 3 types of
> cleaning methods to be run. Based on that, I'm sure you really don't
> need to override it.
Yes, I've just discoverde the ValidationError e part of the docs :|
> I really don't understand what you mean by "I want the description
> field to be not blank/not the empty string" so maybe I could have been
> of more help but I'm sure a solution to your problem would be to
> override either the form's clean_fieldname or clean methods.
ie,
if e.mark = W, e.descr must be >"" # it can be anything from "a" to
"pregnant" to "killed" to "this is not an empty string" or " this is not a
blank string"
else e.descr == "" #this is a blank or empty string
cheers - since I am using the admin forms, I was hoping I could add it to
the model, but is ok if I need to rewrite the forms
cheers
L.
> On 9/28/12, Lachlan Musicman <data
...@gmail.com <javascript:;>> wrote:
> > Hola,
> > I'm searching without much luck and can't see the answer in the docs.
> > Am wanting to override the is_valid() method on a model (I think
> > that's what I want).
> > Basically, I have a choices field, and if one of those choices is
> > selected, then I want a description field to be not blank/not the
> > empty string. If it's the other two choices, I want the description
> > field to be blank/empty string.
> > First, I override is_valid() as a model method?
> > Second, how do I return a false from is_valid()?
> > ie, this is a rough up of what I'm looking for - what goes in place of
> > return FALSE/TRUE?
> > def is_valid(self):
> > if enrolment.mark == 'W': #student has withdrawn from course
> > -if enrolment.withdrawal_reason == '': #must have reason
> > --return FALSE
> > elif enrolment.withdrawal.reason != "": #ie, since enrolment.mark
> > isn't 'W', confirm that the enrolment.reason is ""
> > -return FALSE
> > else:
> > -return TRUE
> > Cheers
> > L.
> > --
> > ...we look at the present day through a rear-view mirror. This is
> > something Marshall McLuhan said back in the Sixties, when the world
> > was in the grip of authentic-seeming future narratives. He said, “We
> > look at the present through a rear-view mirror. We march backwards
> > into the future.”
> > http://www.warrenellis.com/?p=14314
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--
...we look at the present day through a rear-view mirror. This is something
Marshall McLuhan said back in the Sixties, when the world was in the grip
of authentic-seeming future narratives. He said, “We look at the present
through a rear-view mirror. We march backwards into the future.”
http://www.warrenellis.com/?p=14314
