What is the "general way" to add your own validation to forms under
the newforms framework?
Subclassing and adding in your clean_* methods? Using decorators or
the such around existing validation? Adding your own custom Field
objects and setting their "clean" methods?
-joe
On 5/21/07, Matt <[EMAIL PROTECTED]> wrote:
>
> I have a form that allows users to submit their name and email address
> for an invitation.
> I do not want people signing up more than once. The following code
> works, but it does not seem like the "Best Practice" solution.
>
> forms.py
> [...imports...]
> class RequestInvite(forms.Form):
> name = forms.CharField(max_length=75)
> email = forms.EmailField()
>
> def clean_name(self):
> try:
> u = UserInvite.objects.get(name__contains =
> self.clean_data['name'])
> raise ValidationError('You have already signed up.')
> except UserInvite.DoesNotExist:
> return self.clean_data['name']
>
> def clean_email(self):
> try:
> u = UserInvite.objects.get(email__contains =
> self.clean_data['email'])
> raise ValidationError('You have already signed up.')
> except UserInvite.DoesNotExist:
> return self.clean_data['email']
>
> def save(self):
> invite = UserInvite(
> name = self.clean_data['name'],
> email = self.clean_data['email'],)
> invite.save()
>
> views.py
> [...imports...]
> def request_invite(request):
>
> f = RequestInvite()
>
> if request.method == 'POST':
> invite_me = RequestInvite(request.POST)
> if invite_me.is_valid():
> invite_me.save()
> msg = "We will be sending out invitations shortly."
> return render_to_response( 'invite/thanks.html',
> {'msg': msg})
> else:
> f = invite_me
>
> return render_to_response( 'invite/index.html',
> {'form':f,})
>
> If someone could point me in the right direction it would be greatly
> appreciated.
> Thanks Matt
>
>
> >
>
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