If chunk and rev number are given, use version from given revision.
If rev is not given, use publishable version.
"""
- chunk = Chunk.get(book, chunk)
+ try:
+ chunk = Chunk.get(book, chunk)
+ except Chunk.DoesNotExist:
+ raise Http404
if chunk.book.cover and rev is None and not request.GET.get('width') and not request.GET.get('height'):
return HttpResponseRedirect(chunk.book.cover.url)