_ Git - youtube-dl/blob - 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         }