+ # Sometimes non empty inline bootstrap info can be specified along
+ # with bootstrap url attribute (e.g. dummy inline bootstrap info
+ # contains whitespace characters in [1]). We will prefer bootstrap
+ # url over inline bootstrap info when present.
+ # 1. http://live-1-1.rutube.ru/stream/1024/HDS/SD/C2NKsS85HQNckgn5HdEmOQ/1454167650/S-s604419906/move/four/dirs/upper/1024-576p.f4m
+ bootstrap_url = node.get('url')
+ if bootstrap_url: