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[youtube-dl] / youtube_dl / extractor / livestream.py
1 from __future__ import unicode_literals
2
3 import re
4 import json
5 import itertools
6
7 from .common import InfoExtractor
8 from ..compat import (
9     compat_str,
10     compat_urllib_parse_urlparse,
11     compat_urlparse,
12 )
13 from ..utils import (
14     ExtractorError,
15     find_xpath_attr,
16     int_or_none,
17     orderedSet,
18     xpath_with_ns,
19 )
20
21
22 class LivestreamIE(InfoExtractor):
23     IE_NAME = 'livestream'
24     _VALID_URL = r'https?://new\.livestream\.com/.*?/(?P<event_name>.*?)(/videos/(?P<id>[0-9]+)(?:/player)?)?/?(?:$|[?#])'
25     _TESTS = [{
26         'url': 'http://new.livestream.com/CoheedandCambria/WebsterHall/videos/4719370',
27         'md5': '53274c76ba7754fb0e8d072716f2292b',
28         'info_dict': {
29             'id': '4719370',
30             'ext': 'mp4',
31             'title': 'Live from Webster Hall NYC',
32             'upload_date': '20121012',
33             'like_count': int,
34             'view_count': int,
35             'thumbnail': 're:^http://.*\.jpg$'
36         }
37     }, {
38         'url': 'http://new.livestream.com/tedx/cityenglish',
39         'info_dict': {
40             'title': 'TEDCity2.0 (English)',
41             'id': '2245590',
42         },
43         'playlist_mincount': 4,
44     }, {
45         'url': 'http://new.livestream.com/chess24/tatasteelchess',
46         'info_dict': {
47             'title': 'Tata Steel Chess',
48             'id': '3705884',
49         },
50         'playlist_mincount': 60,
51     }, {
52         'url': 'https://new.livestream.com/accounts/362/events/3557232/videos/67864563/player?autoPlay=false&height=360&mute=false&width=640',
53         'only_matching': True,
54     }]
55
56     def _parse_smil(self, video_id, smil_url):
57         formats = []
58         _SWITCH_XPATH = (
59             './/{http://www.w3.org/2001/SMIL20/Language}body/'
60             '{http://www.w3.org/2001/SMIL20/Language}switch')
61         smil_doc = self._download_xml(
62             smil_url, video_id,
63             note='Downloading SMIL information',
64             errnote='Unable to download SMIL information',
65             fatal=False)
66         if smil_doc is False:  # Download failed
67             return formats
68         title_node = find_xpath_attr(
69             smil_doc, './/{http://www.w3.org/2001/SMIL20/Language}meta',
70             'name', 'title')
71         if title_node is None:
72             self.report_warning('Cannot find SMIL id')
73             switch_node = smil_doc.find(_SWITCH_XPATH)
74         else:
75             title_id = title_node.attrib['content']
76             switch_node = find_xpath_attr(
77                 smil_doc, _SWITCH_XPATH, 'id', title_id)
78         if switch_node is None:
79             raise ExtractorError('Cannot find switch node')
80         video_nodes = switch_node.findall(
81             '{http://www.w3.org/2001/SMIL20/Language}video')
82
83         for vn in video_nodes:
84             tbr = int_or_none(vn.attrib.get('system-bitrate'))
85             furl = (
86                 'http://livestream-f.akamaihd.net/%s?v=3.0.3&fp=WIN%%2014,0,0,145' %
87                 (vn.attrib['src']))
88             if 'clipBegin' in vn.attrib:
89                 furl += '&ssek=' + vn.attrib['clipBegin']
90             formats.append({
91                 'url': furl,
92                 'format_id': 'smil_%d' % tbr,
93                 'ext': 'flv',
94                 'tbr': tbr,
95                 'preference': -1000,
96             })
97         return formats
98
99     def _extract_video_info(self, video_data):
100         video_id = compat_str(video_data['id'])
101
102         FORMAT_KEYS = (
103             ('sd', 'progressive_url'),
104             ('hd', 'progressive_url_hd'),
105         )
106         formats = [{
107             'format_id': format_id,
108             'url': video_data[key],
109             'quality': i + 1,
110         } for i, (format_id, key) in enumerate(FORMAT_KEYS)
111             if video_data.get(key)]
112
113         smil_url = video_data.get('smil_url')
114         if smil_url:
115             formats.extend(self._parse_smil(video_id, smil_url))
116         self._sort_formats(formats)
117
118         return {
119             'id': video_id,
120             'formats': formats,
121             'title': video_data['caption'],
122             'thumbnail': video_data.get('thumbnail_url'),
123             'upload_date': video_data['updated_at'].replace('-', '')[:8],
124             'like_count': video_data.get('likes', {}).get('total'),
125             'view_count': video_data.get('views'),
126         }
127
128     def _extract_event(self, info):
129         event_id = compat_str(info['id'])
130         account = compat_str(info['owner_account_id'])
131         root_url = (
132             'https://new.livestream.com/api/accounts/{account}/events/{event}/'
133             'feed.json'.format(account=account, event=event_id))
134
135         def _extract_videos():
136             last_video = None
137             for i in itertools.count(1):
138                 if last_video is None:
139                     info_url = root_url
140                 else:
141                     info_url = '{root}?&id={id}&newer=-1&type=video'.format(
142                         root=root_url, id=last_video)
143                 videos_info = self._download_json(info_url, event_id, 'Downloading page {0}'.format(i))['data']
144                 videos_info = [v['data'] for v in videos_info if v['type'] == 'video']
145                 if not videos_info:
146                     break
147                 for v in videos_info:
148                     yield self._extract_video_info(v)
149                 last_video = videos_info[-1]['id']
150         return self.playlist_result(_extract_videos(), event_id, info['full_name'])
151
152     def _real_extract(self, url):
153         mobj = re.match(self._VALID_URL, url)
154         video_id = mobj.group('id')
155         event_name = mobj.group('event_name')
156         webpage = self._download_webpage(url, video_id or event_name)
157
158         og_video = self._og_search_video_url(
159             webpage, 'player url', fatal=False, default=None)
160         if og_video is not None:
161             query_str = compat_urllib_parse_urlparse(og_video).query
162             query = compat_urlparse.parse_qs(query_str)
163             if 'play_url' in query:
164                 api_url = query['play_url'][0].replace('.smil', '')
165                 info = json.loads(self._download_webpage(
166                     api_url, video_id, 'Downloading video info'))
167                 return self._extract_video_info(info)
168
169         config_json = self._search_regex(
170             r'window.config = ({.*?});', webpage, 'window config')
171         info = json.loads(config_json)['event']
172
173         def is_relevant(vdata, vid):
174             result = vdata['type'] == 'video'
175             if video_id is not None:
176                 result = result and compat_str(vdata['data']['id']) == vid
177             return result
178
179         if video_id is None:
180             # This is an event page:
181             return self._extract_event(info)
182         else:
183             videos = [self._extract_video_info(video_data['data'])
184                       for video_data in info['feed']['data']
185                       if is_relevant(video_data, video_id)]
186             if not videos:
187                 raise ExtractorError('Cannot find video %s' % video_id)
188             return videos[0]
189
190
191 # The original version of Livestream uses a different system
192 class LivestreamOriginalIE(InfoExtractor):
193     IE_NAME = 'livestream:original'
194     _VALID_URL = r'''(?x)https?://www\.livestream\.com/
195         (?P<user>[^/]+)/(?P<type>video|folder)
196         (?:\?.*?Id=|/)(?P<id>.*?)(&|$)
197         '''
198     _TESTS = [{
199         'url': 'http://www.livestream.com/dealbook/video?clipId=pla_8aa4a3f1-ba15-46a4-893b-902210e138fb',
200         'info_dict': {
201             'id': 'pla_8aa4a3f1-ba15-46a4-893b-902210e138fb',
202             'ext': 'flv',
203             'title': 'Spark 1 (BitCoin) with Cameron Winklevoss & Tyler Winklevoss of Winklevoss Capital',
204         },
205         'params': {
206             # rtmp
207             'skip_download': True,
208         },
209     }, {
210         'url': 'https://www.livestream.com/newplay/folder?dirId=a07bf706-d0e4-4e75-a747-b021d84f2fd3',
211         'info_dict': {
212             'id': 'a07bf706-d0e4-4e75-a747-b021d84f2fd3',
213         },
214         'playlist_mincount': 4,
215     }]
216
217     def _extract_video(self, user, video_id):
218         api_url = 'http://x{0}x.api.channel.livestream.com/2.0/clipdetails?extendedInfo=true&id={1}'.format(user, video_id)
219
220         info = self._download_xml(api_url, video_id)
221         item = info.find('channel').find('item')
222         ns = {'media': 'http://search.yahoo.com/mrss'}
223         thumbnail_url = item.find(xpath_with_ns('media:thumbnail', ns)).attrib['url']
224         # Remove the extension and number from the path (like 1.jpg)
225         path = self._search_regex(r'(user-files/.+)_.*?\.jpg$', thumbnail_url, 'path')
226
227         return {
228             'id': video_id,
229             'title': item.find('title').text,
230             'url': 'rtmp://extondemand.livestream.com/ondemand',
231             'play_path': 'trans/dv15/mogulus-{0}'.format(path),
232             'player_url': 'http://static.livestream.com/chromelessPlayer/v21/playerapi.swf?hash=5uetk&v=0803&classid=D27CDB6E-AE6D-11cf-96B8-444553540000&jsEnabled=false&wmode=opaque',
233             'ext': 'flv',
234             'thumbnail': thumbnail_url,
235         }
236
237     def _extract_folder(self, url, folder_id):
238         webpage = self._download_webpage(url, folder_id)
239         paths = orderedSet(re.findall(
240             r'''(?x)(?:
241                 <li\s+class="folder">\s*<a\s+href="|
242                 <a\s+href="(?=https?://livestre\.am/)
243             )([^"]+)"''', webpage))
244
245         return {
246             '_type': 'playlist',
247             'id': folder_id,
248             'entries': [{
249                 '_type': 'url',
250                 'url': compat_urlparse.urljoin(url, p),
251             } for p in paths],
252         }
253
254     def _real_extract(self, url):
255         mobj = re.match(self._VALID_URL, url)
256         id = mobj.group('id')
257         user = mobj.group('user')
258         url_type = mobj.group('type')
259         if url_type == 'folder':
260             return self._extract_folder(url, id)
261         else:
262             return self._extract_video(user, id)
263
264
265 # The server doesn't support HEAD request, the generic extractor can't detect
266 # the redirection
267 class LivestreamShortenerIE(InfoExtractor):
268     IE_NAME = 'livestream:shortener'
269     IE_DESC = False  # Do not list
270     _VALID_URL = r'https?://livestre\.am/(?P<id>.+)'
271
272     def _real_extract(self, url):
273         mobj = re.match(self._VALID_URL, url)
274         id = mobj.group('id')
275         webpage = self._download_webpage(url, id)
276
277         return {
278             '_type': 'url',
279             'url': self._og_search_url(webpage),
280         }