code: def write_url (self, url_data):
          
          self.writeln(u"<tr>")
          self.writeln(u'<td class="url">%s</td>' % self.part("url"))
          self.write(u'<td class="url">')
          self.write(u"`%s'" % cgi.escape(url_data.base_url))
          self.writeln(u"</td></tr>")
docs: Write url_data.base_url.