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