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[youtubedl] / 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 }