youtube.py

from django import template
import re

register = template.Library()

@register.simple_tag
def youtube_embed(video):
	YOUTUBE_REGEX = r'(https?://)?(www\.)?(youtube|youtu|youtube-nocookie)\.(com|be)/(watch\?v=|embed/|v/|.+\?v=)?([^&=%\?]{11})'

	def _get_id(video):	
		match = re.match(YOUTUBE_REGEX, video)
		return match.group(6) if match else None

	def _get_embed_url(video_id):
		return '//youtube.com/embed/%s?showinfo=0&controls=2&showsearch=0&rel=0' % video_id

	_id =_get_id(video)

	if _id:
		embed_url = _get_embed_url(_id)
		return '<iframe frameborder="0" webkitallowfullscreen="true"'\
			   'width="720" height="360"'\
               'mozallowfullscreen="true" allowfullscreen="true"'\
               'src="%s"></iframe>' % embed_url
	else:
		return video