1 from django.core.exceptions import ObjectDoesNotExist

     2 from django.utils.feedgenerator import Atom1Feed

     3 from django.contrib.syndication.feeds import Feed

     4 from hgbook.comments.models import Comment, Element

     5 

     6 class MyAtomFeed(Atom1Feed):

     7     title_type = u'html'

     8     

     9 class Comments(Feed):

    10     feed_type = MyAtomFeed

    11     title = 'Mercurial - The Definitive Guide: recent comments'

    12     subtitle = ('Recent comments on the text of “Mercurial: The '

    13                 'Definitive Guide”, from our readers')

    14     link = '/feeds/comments/'

    15     author_name = 'Our readers'

    16 

    17     def feedfilter(self, queryset):

    18         return queryset.order_by('-date')[:20]

    19 

    20     def items(self):

    21         return self.feedfilter(Comment.objects)

    22 

    23     def item_author_name(self, obj):

    24         return obj.submitter_name

    25 

    26     def item_pubdate(self, obj):

    27         return obj.date

    28 

    29     def get_object(self, bits):

    30         if len(bits) == 0:

    31             return self.items()

    32         elif len(bits) > 1:

    33             raise ObjectDoesNotExist

    34         return self.feedfilter(Comment.objects.filter(element__chapter=bits[0],

    35                                                       hidden=False))