+ @staticmethod
+ def _extract_url(webpage):
+ # Embed codes: https://knowledge.kaltura.com/embedding-kaltura-media-players-your-site
+ mobj = (
+ re.search(
+ r"""(?xs)
+ kWidget\.(?:thumb)?[Ee]mbed\(
+ \{.*?
+ (?P<q1>['"])wid(?P=q1)\s*:\s*
+ (?P<q2>['"])_?(?P<partner_id>(?:(?!(?P=q2)).)+)(?P=q2),.*?
+ (?P<q3>['"])entry_?[Ii]d(?P=q3)\s*:\s*
+ (?P<q4>['"])(?P<id>(?:(?!(?P=q4)).)+)(?P=q4)(?:,|\s*\})
+ """, webpage) or
+ re.search(
+ r'''(?xs)
+ (?P<q1>["'])
+ (?:https?:)?//cdnapi(?:sec)?\.kaltura\.com(?::\d+)?/(?:(?!(?P=q1)).)*\b(?:p|partner_id)/(?P<partner_id>\d+)(?:(?!(?P=q1)).)*
+ (?P=q1).*?
+ (?:
+ (?:
+ entry_?[Ii]d|
+ (?P<q2>["'])entry_?[Ii]d(?P=q2)
+ )\s*:\s*|
+ \[\s*(?P<q2_1>["'])entry_?[Ii]d(?P=q2_1)\s*\]\s*=\s*
+ )
+ (?P<q3>["'])(?P<id>(?:(?!(?P=q3)).)+)(?P=q3)
+ ''', webpage) or
+ re.search(
+ r'''(?xs)
+ <iframe[^>]+src=(?P<q1>["'])
+ (?:https?:)?//(?:www\.)?kaltura\.com/(?:(?!(?P=q1)).)*\b(?:p|partner_id)/(?P<partner_id>\d+)
+ (?:(?!(?P=q1)).)*
+ [?&]entry_id=(?P<id>(?:(?!(?P=q1))[^&])+)
+ (?P=q1)
+ ''', webpage)
+ )
+ if mobj:
+ embed_info = mobj.groupdict()
+ url = 'kaltura:%(partner_id)s:%(id)s' % embed_info
+ escaped_pid = re.escape(embed_info['partner_id'])
+ service_url = re.search(
+ r'<script[^>]+src=["\']((?:https?:)?//.+?)/p/%s/sp/%s00/embedIframeJs' % (escaped_pid, escaped_pid),
+ webpage)
+ if service_url:
+ url = smuggle_url(url, {'service_url': service_url.group(1)})
+ return url
+
+ def _kaltura_api_call(self, video_id, actions, service_url=None, *args, **kwargs):