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[youtube-dl] / 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?://tv\.sohu\.com/\d+?/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     }
21
22     def _real_extract(self, url):
23
24         def _fetch_data(vid_id):
25             base_data_url = u'http://hot.vrs.sohu.com/vrs_flash.action?vid='
26             data_url = base_data_url + str(vid_id)
27             data_json = self._download_webpage(
28                 data_url, video_id,
29                 note=u'Downloading JSON data for ' + str(vid_id))
30             return json.loads(data_json)
31
32         mobj = re.match(self._VALID_URL, url)
33         video_id = mobj.group('id')
34
35         webpage = self._download_webpage(url, video_id)
36         raw_title = self._html_search_regex(r'(?s)<title>(.+?)</title>',
37                                             webpage, u'video title')
38         title = raw_title.partition('-')[0].strip()
39
40         vid = self._html_search_regex(r'var vid="(\d+)"', webpage,
41                                       u'video path')
42         data = _fetch_data(vid)
43
44         QUALITIES = ('ori', 'super', 'high', 'nor')
45         vid_ids = [data['data'][q + 'Vid']
46                    for q in QUALITIES
47                    if data['data'][q + 'Vid'] != 0]
48         if not vid_ids:
49             raise ExtractorError(u'No formats available for this video')
50
51         # For now, we just pick the highest available quality
52         vid_id = vid_ids[-1]
53
54         format_data = data if vid == vid_id else _fetch_data(vid_id)
55         part_count = format_data['data']['totalBlocks']
56         allot = format_data['allot']
57         prot = format_data['prot']
58         clipsURL = format_data['data']['clipsURL']
59         su = format_data['data']['su']
60
61         playlist = []
62         for i in range(part_count):
63             part_url = ('http://%s/?prot=%s&file=%s&new=%s' %
64                         (allot, prot, clipsURL[i], su[i]))
65             part_str = self._download_webpage(
66                 part_url, video_id,
67                 note=u'Downloading part %d of %d' % (i+1, part_count))
68
69             part_info = part_str.split('|')
70             video_url = '%s%s?key=%s' % (part_info[0], su[i], part_info[3])
71
72             video_info = {
73                 'id': '%s_part%02d' % (video_id, i + 1),
74                 'title': title,
75                 'url': video_url,
76                 'ext': 'mp4',
77             }
78             playlist.append(video_info)
79
80         if len(playlist) == 1:
81             info = playlist[0]
82             info['id'] = video_id
83         else:
84             info = {
85                 '_type': 'playlist',
86                 'entries': playlist,
87                 'id': video_id,
88             }
89
90         return info