import re from embed_video.backends import VideoBackend class CustomBackend(VideoBackend): re_detect = re.compile(r'http://myvideo\.com/[0-9]+') re_code = re.compile(r'http://myvideo\.com/(?P[0-9]+)') pattern_url = 'http://play.myvideo.com/c/%s/' pattern_thumbnail_url = 'http://thumb.myvideo.com/c/%s/'