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[generic] Prevent <video> search from skipping over empty sources (#3546)
[youtube-dl.git] / youtube_dl / extractor / sohu.py
1 # encoding: utf-8
2
3 import json
4 import re
5
6 from .common import InfoExtractor
7 from ..utils import ExtractorError
8
9
10 class SohuIE(InfoExtractor):
11     _VALID_URL = r'https?://(?P<mytv>my\.)?tv\.sohu\.com/.+?/(?(mytv)|n)(?P<id>\d+)\.shtml.*?'
12
13     _TEST = {
14         u'url': u'http://tv.sohu.com/20130724/n382479172.shtml#super',
15         u'file': u'382479172.mp4',
16         u'md5': u'bde8d9a6ffd82c63a1eefaef4eeefec7',
17         u'info_dict': {
18             u'title': u'MV:Far East Movement《The Illest》',
19         },
20         u'skip': u'Only available from China',
21     }
22
23     def _real_extract(self, url):
24
25         def _fetch_data(vid_id, mytv=False):
26             if mytv:
27                 base_data_url = 'http://my.tv.sohu.com/play/videonew.do?vid='
28             else:
29                 base_data_url = u'http://hot.vrs.sohu.com/vrs_flash.action?vid='
30             data_url = base_data_url + str(vid_id)
31             data_json = self._download_webpage(
32                 data_url, video_id,
33                 note=u'Downloading JSON data for ' + str(vid_id))
34             return json.loads(data_json)
35
36         mobj = re.match(self._VALID_URL, url)
37         video_id = mobj.group('id')
38         mytv = mobj.group('mytv') is not None
39
40         webpage = self._download_webpage(url, video_id)
41         raw_title = self._html_search_regex(r'(?s)<title>(.+?)</title>',
42                                             webpage, u'video title')
43         title = raw_title.partition('-')[0].strip()
44
45         vid = self._html_search_regex(r'var vid ?= ?["\'](\d+)["\']', webpage,
46                                       u'video path')
47         data = _fetch_data(vid, mytv)
48
49         QUALITIES = ('ori', 'super', 'high', 'nor')
50         vid_ids = [data['data'][q + 'Vid']
51                    for q in QUALITIES
52                    if data['data'][q + 'Vid'] != 0]
53         if not vid_ids:
54             raise ExtractorError(u'No formats available for this video')
55
56         # For now, we just pick the highest available quality
57         vid_id = vid_ids[-1]
58
59         format_data = data if vid == vid_id else _fetch_data(vid_id, mytv)
60         part_count = format_data['data']['totalBlocks']
61         allot = format_data['allot']
62         prot = format_data['prot']
63         clipsURL = format_data['data']['clipsURL']
64         su = format_data['data']['su']
65
66         playlist = []
67         for i in range(part_count):
68             part_url = ('http://%s/?prot=%s&file=%s&new=%s' %
69                         (allot, prot, clipsURL[i], su[i]))
70             part_str = self._download_webpage(
71                 part_url, video_id,
72                 note=u'Downloading part %d of %d' % (i+1, part_count))
73
74             part_info = part_str.split('|')
75             video_url = '%s%s?key=%s' % (part_info[0], su[i], part_info[3])
76
77             video_info = {
78                 'id': '%s_part%02d' % (video_id, i + 1),
79                 'title': title,
80                 'url': video_url,
81                 'ext': 'mp4',
82             }
83             playlist.append(video_info)
84
85         if len(playlist) == 1:
86             info = playlist[0]
87             info['id'] = video_id
88         else:
89             info = {
90                 '_type': 'playlist',
91                 'entries': playlist,
92                 'id': video_id,
93             }
94
95         return info