Grrrrr
I was using the un nice
def update_forwarding(self, email_addr, forward_addr, **kwargs):
active=kwargs.get('active', False)
keep=kwargs.get('keep', False)
Thanks for the default arguments tips ...
On Jun 20, 11:55 am, "Diez B. Roggisch" <[EMAIL PROTECTED]>
wrote:
> On Wednesday 20 June 2007 11:42, aspineux wrote:
>
>
>
> > It doens't work, and it cannot works !
>
> > I tried this
>
> > class FormForwarding(widgets.TableForm):
> > fields = [
> > MultipleHiddenFields('context'),
> > widgets.CheckBox('active', label="Activate forwarding",
> > validator=validators.StringBool(if_empty=False)),
> > widgets.TextField('forward_addr', label="Address to forward
> > to", attrs=dict(size=40, maxlength=255), validator=EmailValidator()),
> > widgets.CheckBox('keep', label="Keep a copy on server",
> > validator=validators.StringBool(if_empty=False, if_invalid=False )),
> > ]
> > submit_text = "Update forwarding"
>
> > And added some debuging into StringBool
>
> > def _to_python(self, value, state):
> > print "================================================="
> > if isinstance(value, (str, unicode)):
> > value = value.strip().lower()
> > if value in self.true_values:
> > return True
> > if not value or value in self.false_values:
> > return False
> > raise Invalid(self.message("string", state,
> > true=self.true_values[0],
> > false=self.false_values[0]),
> > value, state)
> > return bool(value)
>
> > def _from_python(self, value, state):
> > print "================================================="
> > if value:
> > return self.true_values[0]
> > else:
> > return self.false_values[0]
>
> > When both are checked, I can see the 4 '====' line
> > But when one is missing, non of them.
>
> > This is because the call (that generate the error) is done before the
> > call of the validator !
> > I thins this is because one decorator is taking the signature of the
> > function.
> > And then raise an exception because of missing argument.
>
> > Their is no solution with TG 1.x today for missing value !
>
> > It should be in red flashing in the wiki somewhere !
>
> I doubt there is a different solution with TG x.x - because the simple
> solution to this is to use keyword arguments to give a default value,
> especially to possibly empty values.
>
> And I don't think that there will be a more concise notation of this than the
> built-in one.
>
> Diez
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