view 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
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"""
Forms for the weblinks application.
"""

from django import forms
from weblinks.models import PendingLink, Link


class AddLinkForm(forms.ModelForm):
   title = forms.CharField(widget = forms.TextInput(attrs = {'size': 52}))
   url = forms.CharField(widget = forms.TextInput(attrs = {'size': 52}))

   def clean_url(self):
      new_url = self.cleaned_data['url']
      try:
         Link.objects.get(url__iexact = new_url)
      except Link.DoesNotExist:
         return new_url
      raise forms.ValidationError('That link already exists in our database.')

   class Meta:
      model = PendingLink
      exclude = ('user', 'date_added', 'update_date')