+ error_message = self._html_search_regex(
+ r'(?s)<!><div[^>]+class="video_layer_message"[^>]*>(.+?)</div>',
+ info_page, 'error message', default=None)
+ if error_message:
+ raise ExtractorError(error_message, expected=True)
+
+ if re.search(r'<!>/login\.php\?.*\bact=security_check', info_page):
+ raise ExtractorError(
+ 'You are trying to log in from an unusual location. You should confirm ownership at vk.com to log in with this IP.',
+ expected=True)
+
+ ERRORS = {
+ r'>Видеозапись .*? была изъята из публичного доступа в связи с обращением правообладателя.<':
+ 'Video %s has been removed from public access due to rightholder complaint.',
+
+ r'<!>Please log in or <':
+ 'Video %s is only available for registered users, '
+ 'use --username and --password options to provide account credentials.',
+
+ r'<!>Unknown error':
+ 'Video %s does not exist.',
+
+ r'<!>Видео временно недоступно':
+ 'Video %s is temporarily unavailable.',
+
+ r'<!>Access denied':
+ 'Access denied to video %s.',
+ }
+
+ for error_re, error_msg in ERRORS.items():
+ if re.search(error_re, info_page):
+ raise ExtractorError(error_msg % video_id, expected=True)
+
+ youtube_url = self._search_regex(
+ r'<iframe[^>]+src="((?:https?:)?//www.youtube.com/embed/[^"]+)"',
+ info_page, 'youtube iframe', default=None)
+ if youtube_url:
+ return self.url_result(youtube_url, 'Youtube')
+
+ m_rutube = re.search(
+ r'\ssrc="((?:https?:)?//rutube\.ru\\?/video\\?/embed(?:.*?))\\?"', info_page)
+ if m_rutube is not None:
+ self.to_screen('rutube video detected')
+ rutube_url = self._proto_relative_url(
+ m_rutube.group(1).replace('\\', ''))
+ return self.url_result(rutube_url)
+
+ m_opts = re.search(r'(?s)var\s+opts\s*=\s*({.+?});', info_page)
+ if m_opts:
+ m_opts_url = re.search(r"url\s*:\s*'((?!/\b)[^']+)", m_opts.group(1))
+ if m_opts_url:
+ opts_url = m_opts_url.group(1)
+ if opts_url.startswith('//'):
+ opts_url = 'http:' + opts_url
+ return self.url_result(opts_url)