+
+ def _extract_mgid(self, webpage):
+ cs = self._parse_json(self._search_regex(
+ r'window\.__DATA__\s*=\s*({.+})',
+ webpage, 'data'), None)['children']
+ c = next(c for c in cs if c.get('type') == 'VideoPlayer')
+ return c['props']['media']['video']['config']['uri']