code: def _get_card(self, text, **kwargs):
          
  
          def og_tag(key, val):
              """ produce an OpenGraph tag with the given key and value """
              return utils.make_tag('meta', {'property': key, 'content': val}, start_end=True)
  
          tags = og_tag('og:title', self.title(markup=False))
          tags += og_tag('og:url', self.link(absolute=True))
  
          card = cards.extract_card(text, kwargs, self.search_path)
          for image in card.images:
              tags += og_tag('og:image', image)
          if card.description:
              tags += og_tag('og:description',
                             self.get('Summary', card.description))
  
          return flask.Markup(tags)
docs: Render out the tags for a Twitter/OpenGraph card for this entry.