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