http://gitunderground.i2p/archive/youtube-dl/src/branch/master/youtube_dl/extractor/bfi.py
P<id>[\w-]+)-online' _TEST = { 'url' : 'https://player.bfi.org.uk/free/film/watch-computer-doctor-1974-online' , 'md5' : 'e8783ebd8e061ec4bc6e9501ed547de8' , 'info_dict' : { 'id' : 'htNnhlZjE60C9VySkQEIBtU-cNV1Xx63' , 'ext' : 'mp4' , 'title' : 'Computer Doctor' , 'description' : 'md5:fb6c240d40c4dbe40428bdd62f78203b' , }, 'skip' : 'BFI Player films cannot be played outside of the UK' , } def _real_extract ( self , url ): video_id = self .