class OmnibusFeedType(Rss201rev2Feed):

    def root_attributes(self):

        attrs = super().root_attributes()

        attrs['xmlns:itunes'] = 'http://www.itunes.com/dtds/podcast-1.0.dtd'

        attrs['xmlns:atom'] = 'http://www.w3.org/2005/Atom'

        attrs['xmlns:media'] = 'http://search.yahoo.com/mrss/'

#        attrs['xmlns:dc'] = "http://purl.org/dc/elements/1.1/"

        return attrs

    def add_root_elements(self, handler):

        super().add_root_elements(handler)

        podcast_helper_add_root_elements(self, handler)

    def add_item_elements(self, handler, item):

        super().add_item_elements(handler, item)

        # The below is a bit of a cheat, I assume anything in the ominbus

        # feed that has an enclosure must be a podcast.  Probably not true

        # as such in the general case, but enough for this case, I think.

        if item['enclosure']:

            podcast_helper_add_item_elements(self, handler, item)

        else:

            # Block things that don't have an enclosure from iTunes in

            # case someone uploads this feed there.

            handler.addQuickElement("itunes:block", 'Yes')