7 from .common import InfoExtractor
13 class YoukuIE(InfoExtractor):
14 _VALID_URL = r'(?:http://)?v\.youku\.com/v_show/id_(?P<ID>[A-Za-z0-9]+)\.html'
17 nowTime = int(time.time() * 1000)
18 random1 = random.randint(1000,1998)
19 random2 = random.randint(1000,9999)
21 return "%d%d%d" %(nowTime,random1,random2)
23 def _get_file_ID_mix_string(self, seed):
25 source = list("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890")
27 for i in range(len(source)):
28 seed = (seed * 211 + 30031 ) % 65536
29 index = math.floor(seed / 65536 * len(source) )
30 mixed.append(source[int(index)])
31 source.remove(source[int(index)])
32 #return ''.join(mixed)
35 def _get_file_id(self, fileId, seed):
36 mixed = self._get_file_ID_mix_string(seed)
37 ids = fileId.split('*')
41 realId.append(mixed[int(ch)])
42 return ''.join(realId)
44 def _real_extract(self, url):
45 mobj = re.match(self._VALID_URL, url)
47 raise ExtractorError(u'Invalid URL: %s' % url)
48 video_id = mobj.group('ID')
50 info_url = 'http://v.youku.com/player/getPlayList/VideoIDS/' + video_id
52 jsondata = self._download_webpage(info_url, video_id)
54 self.report_extraction(video_id)
56 config = json.loads(jsondata)
58 video_title = config['data'][0]['title']
59 seed = config['data'][0]['seed']
61 format = self._downloader.params.get('format', None)
62 supported_format = list(config['data'][0]['streamfileids'].keys())
64 if format is None or format == 'best':
65 if 'hd2' in supported_format:
70 elif format == 'worst':
78 fileid = config['data'][0]['streamfileids'][format]
79 keys = [s['k'] for s in config['data'][0]['segs'][format]]
80 except (UnicodeDecodeError, ValueError, KeyError):
81 raise ExtractorError(u'Unable to extract info section')
85 fileid = self._get_file_id(fileid, seed)
87 #column 8,9 of fileid represent the segment number
88 #fileid[7:9] should be changed
89 for index, key in enumerate(keys):
91 temp_fileid = '%s%02X%s' % (fileid[0:8], index, fileid[10:])
92 download_url = 'http://f.youku.com/player/getFlvPath/sid/%s_%02X/st/flv/fileid/%s?k=%s' % (sid, index, temp_fileid, key)
95 'id': '%s_part%02d' % (video_id, index),
102 files_info.append(info)