annotate weblinks/forms.py @ 661:15dbe0ccda95

Prevent exceptions when viewing downloads in the admin when the file doesn't exist on the filesystem. This is usually seen in development but can also happen in production if the file is missing.
author Brian Neal <bgneal@gmail.com>
date Tue, 14 May 2013 21:02:47 -0500
parents ee87ea74d46b
children 176d1550bf25
rev   line source
gremmie@1 1 """
gremmie@1 2 Forms for the weblinks application.
gremmie@1 3 """
gremmie@1 4
gremmie@1 5 from django import forms
bgneal@204 6 from weblinks.models import PendingLink, Link
gremmie@1 7
gremmie@1 8
gremmie@1 9 class AddLinkForm(forms.ModelForm):
gremmie@1 10 title = forms.CharField(widget = forms.TextInput(attrs = {'size': 52}))
gremmie@1 11 url = forms.CharField(widget = forms.TextInput(attrs = {'size': 52}))
gremmie@1 12
gremmie@1 13 def clean_url(self):
gremmie@1 14 new_url = self.cleaned_data['url']
gremmie@1 15 try:
gremmie@1 16 Link.objects.get(url__iexact = new_url)
gremmie@1 17 except Link.DoesNotExist:
gremmie@1 18 return new_url
gremmie@1 19 raise forms.ValidationError('That link already exists in our database.')
gremmie@1 20
gremmie@1 21 class Meta:
bgneal@204 22 model = PendingLink
bgneal@277 23 exclude = ('user', 'date_added', 'update_date')