+ if not preload:
+ preload = ''.join(re.findall(r'this\.push\("([^"]+)"\);', webpage))
+
+ if not preload:
+ preload = self._html_search_regex([
+ r'player,\[?"([^"]+)"\]?', r'player.init\(\[?"([^"]+)"\]?\)'
+ ], webpage.replace('","', ''), 'preload data', default=None)
+
+ if not preload:
+ preload_codes = self._html_search_regex(
+ r'(function.+)setTimeout\(function\(\)\{playlist',
+ webpage, 'preload codes')
+ base64_fragments = re.findall(r'"([a-zA-z0-9+/=]+)"', preload_codes)
+ base64_fragments.remove('init')
+ for i in range(len(base64_fragments)):
+ cur_sequence = (''.join(base64_fragments[i:] + base64_fragments[:i])).encode('ascii')
+ try:
+ raw_data = base64.b64decode(cur_sequence)
+ except (TypeError, binascii.Error):
+ continue
+ if compat_ord(raw_data[0]) == compat_ord('{'):
+ data = self._parse_json(raw_data.decode('utf-8'), video_id, fatal=False)
+
+ if not preload and not data:
+ raise ExtractorError(
+ 'Preload information could not be extracted', expected=True)
+
+ if not data:
+ data = self._parse_json(
+ base64.b64decode(preload.encode('ascii')).decode('utf-8'), video_id)