On Tue, Apr 8, 2008 at 11:10 AM, Petar <[EMAIL PROTECTED]> wrote: > > Karen, > > this is a good solution if I wanted to do the validation inside the > view, where this value is available. > However, I want to raise a ValidationError inside the ModelForm class. > Therefore I need this value inside this class. > > Is their a way to get a similar value in the newforms ModelForm class?
Within the ModelForm class just refer to self.initial['field_name']. Karen > > > On 7 apr, 16:06, "Karen Tracey" <[EMAIL PROTECTED]> wrote: > > On Mon, Apr 7, 2008 at 9:37 AM, Petar <[EMAIL PROTECTED]> wrote: > > > > > Hi Michael, > > > > > your suggestion doesn't work for my situation. It isn't important if > > > the value has been filled in, but only if the value has changed from > > > the originally filled in value. > > > > Then you can checked the entered value against the initial one: > > > > form.initial['field_name'] > > > > Karen > > > > > > > > > On 7 apr, 02:31, Michael <[EMAIL PROTECTED]> wrote: > > > > Inside the clean method you have access to self.instance.pk, which > > > returns > > > > true if there an instance (with an already established primary key) > or > > > false > > > > if there isn't already an instance. > > > > > > Hope that helps, > > > > > > Michael > > > > > > On Sun, Apr 6, 2008 at 5:44 PM, Petar <[EMAIL PROTECTED]> wrote: > > > > > > > Dear someone, > > > > > > > I have a ModelForm for my User (standard django) model. I want to > > > > > check if the email is unique so I created a clean_email method > which > > > > > works fine. The only problem is that I only want to check the > email > > > > > address when it's changed. > > > > > > > Is their a way to get the 'initial' value of the email formfield > and > > > > > only perform a check if it has changed? > > > > > > > Thanks in advance, > > > > > Pero > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
