class Meta:
model = Book
- exclude = ['gallery']
+ exclude = ['gallery', 'parent', 'parent_number']
+ prepopulated_fields = {'slug': ['title']}
def clean(self):
super(DocumentCreateForm, self).clean()
chunk = Chunk.objects.get(book=self.instance.book, slug=slug)
except Chunk.DoesNotExist:
return slug
- if chunk == self:
+ if chunk == self.instance:
return slug
raise forms.ValidationError(_('Chunk with this slug already exists'))