1 <div class="video-wrapper">

     2 	<iframe type="text/html" class="video" frameborder="0"

     3 			tal:attributes="src string:https://www.youtube.com/embed/${context.video_id}?${view.get_url_params()};

     4 							width context.width;

     5 							height context.height;

     6 							allowfullscreen 'allowfullscreen' if context.allow_fullscreen else None;"></iframe>

     7 </div>