youtube-dl

Another place where youtube-dl lives on
git clone git://git.oshgnacknak.de/youtube-dl.git
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livestream.py (13696B)


      1 from __future__ import unicode_literals
      2 
      3 import re
      4 import itertools
      5 
      6 from .common import InfoExtractor
      7 from ..compat import (
      8     compat_str,
      9     compat_urlparse,
     10 )
     11 from ..utils import (
     12     find_xpath_attr,
     13     xpath_attr,
     14     xpath_with_ns,
     15     xpath_text,
     16     orderedSet,
     17     update_url_query,
     18     int_or_none,
     19     float_or_none,
     20     parse_iso8601,
     21     determine_ext,
     22 )
     23 
     24 
     25 class LivestreamIE(InfoExtractor):
     26     IE_NAME = 'livestream'
     27     _VALID_URL = r'https?://(?:new\.)?livestream\.com/(?:accounts/(?P<account_id>\d+)|(?P<account_name>[^/]+))/(?:events/(?P<event_id>\d+)|(?P<event_name>[^/]+))(?:/videos/(?P<id>\d+))?'
     28     _TESTS = [{
     29         'url': 'http://new.livestream.com/CoheedandCambria/WebsterHall/videos/4719370',
     30         'md5': '53274c76ba7754fb0e8d072716f2292b',
     31         'info_dict': {
     32             'id': '4719370',
     33             'ext': 'mp4',
     34             'title': 'Live from Webster Hall NYC',
     35             'timestamp': 1350008072,
     36             'upload_date': '20121012',
     37             'duration': 5968.0,
     38             'like_count': int,
     39             'view_count': int,
     40             'thumbnail': r're:^http://.*\.jpg$'
     41         }
     42     }, {
     43         'url': 'http://new.livestream.com/tedx/cityenglish',
     44         'info_dict': {
     45             'title': 'TEDCity2.0 (English)',
     46             'id': '2245590',
     47         },
     48         'playlist_mincount': 4,
     49     }, {
     50         'url': 'http://new.livestream.com/chess24/tatasteelchess',
     51         'info_dict': {
     52             'title': 'Tata Steel Chess',
     53             'id': '3705884',
     54         },
     55         'playlist_mincount': 60,
     56     }, {
     57         'url': 'https://new.livestream.com/accounts/362/events/3557232/videos/67864563/player?autoPlay=false&height=360&mute=false&width=640',
     58         'only_matching': True,
     59     }, {
     60         'url': 'http://livestream.com/bsww/concacafbeachsoccercampeonato2015',
     61         'only_matching': True,
     62     }]
     63     _API_URL_TEMPLATE = 'http://livestream.com/api/accounts/%s/events/%s'
     64 
     65     def _parse_smil_formats(self, smil, smil_url, video_id, namespace=None, f4m_params=None, transform_rtmp_url=None):
     66         base_ele = find_xpath_attr(
     67             smil, self._xpath_ns('.//meta', namespace), 'name', 'httpBase')
     68         base = base_ele.get('content') if base_ele is not None else 'http://livestreamvod-f.akamaihd.net/'
     69 
     70         formats = []
     71         video_nodes = smil.findall(self._xpath_ns('.//video', namespace))
     72 
     73         for vn in video_nodes:
     74             tbr = int_or_none(vn.attrib.get('system-bitrate'), 1000)
     75             furl = (
     76                 update_url_query(compat_urlparse.urljoin(base, vn.attrib['src']), {
     77                     'v': '3.0.3',
     78                     'fp': 'WIN% 14,0,0,145',
     79                 }))
     80             if 'clipBegin' in vn.attrib:
     81                 furl += '&ssek=' + vn.attrib['clipBegin']
     82             formats.append({
     83                 'url': furl,
     84                 'format_id': 'smil_%d' % tbr,
     85                 'ext': 'flv',
     86                 'tbr': tbr,
     87                 'preference': -1000,
     88             })
     89         return formats
     90 
     91     def _extract_video_info(self, video_data):
     92         video_id = compat_str(video_data['id'])
     93 
     94         FORMAT_KEYS = (
     95             ('sd', 'progressive_url'),
     96             ('hd', 'progressive_url_hd'),
     97         )
     98 
     99         formats = []
    100         for format_id, key in FORMAT_KEYS:
    101             video_url = video_data.get(key)
    102             if video_url:
    103                 ext = determine_ext(video_url)
    104                 if ext == 'm3u8':
    105                     continue
    106                 bitrate = int_or_none(self._search_regex(
    107                     r'(\d+)\.%s' % ext, video_url, 'bitrate', default=None))
    108                 formats.append({
    109                     'url': video_url,
    110                     'format_id': format_id,
    111                     'tbr': bitrate,
    112                     'ext': ext,
    113                 })
    114 
    115         smil_url = video_data.get('smil_url')
    116         if smil_url:
    117             formats.extend(self._extract_smil_formats(smil_url, video_id, fatal=False))
    118 
    119         m3u8_url = video_data.get('m3u8_url')
    120         if m3u8_url:
    121             formats.extend(self._extract_m3u8_formats(
    122                 m3u8_url, video_id, 'mp4', 'm3u8_native',
    123                 m3u8_id='hls', fatal=False))
    124 
    125         f4m_url = video_data.get('f4m_url')
    126         if f4m_url:
    127             formats.extend(self._extract_f4m_formats(
    128                 f4m_url, video_id, f4m_id='hds', fatal=False))
    129         self._sort_formats(formats)
    130 
    131         comments = [{
    132             'author_id': comment.get('author_id'),
    133             'author': comment.get('author', {}).get('full_name'),
    134             'id': comment.get('id'),
    135             'text': comment['text'],
    136             'timestamp': parse_iso8601(comment.get('created_at')),
    137         } for comment in video_data.get('comments', {}).get('data', [])]
    138 
    139         return {
    140             'id': video_id,
    141             'formats': formats,
    142             'title': video_data['caption'],
    143             'description': video_data.get('description'),
    144             'thumbnail': video_data.get('thumbnail_url'),
    145             'duration': float_or_none(video_data.get('duration'), 1000),
    146             'timestamp': parse_iso8601(video_data.get('publish_at')),
    147             'like_count': video_data.get('likes', {}).get('total'),
    148             'comment_count': video_data.get('comments', {}).get('total'),
    149             'view_count': video_data.get('views'),
    150             'comments': comments,
    151         }
    152 
    153     def _extract_stream_info(self, stream_info):
    154         broadcast_id = compat_str(stream_info['broadcast_id'])
    155         is_live = stream_info.get('is_live')
    156 
    157         formats = []
    158         smil_url = stream_info.get('play_url')
    159         if smil_url:
    160             formats.extend(self._extract_smil_formats(smil_url, broadcast_id))
    161 
    162         m3u8_url = stream_info.get('m3u8_url')
    163         if m3u8_url:
    164             formats.extend(self._extract_m3u8_formats(
    165                 m3u8_url, broadcast_id, 'mp4', 'm3u8_native',
    166                 m3u8_id='hls', fatal=False))
    167 
    168         rtsp_url = stream_info.get('rtsp_url')
    169         if rtsp_url:
    170             formats.append({
    171                 'url': rtsp_url,
    172                 'format_id': 'rtsp',
    173             })
    174         self._sort_formats(formats)
    175 
    176         return {
    177             'id': broadcast_id,
    178             'formats': formats,
    179             'title': self._live_title(stream_info['stream_title']) if is_live else stream_info['stream_title'],
    180             'thumbnail': stream_info.get('thumbnail_url'),
    181             'is_live': is_live,
    182         }
    183 
    184     def _extract_event(self, event_data):
    185         event_id = compat_str(event_data['id'])
    186         account_id = compat_str(event_data['owner_account_id'])
    187         feed_root_url = self._API_URL_TEMPLATE % (account_id, event_id) + '/feed.json'
    188 
    189         stream_info = event_data.get('stream_info')
    190         if stream_info:
    191             return self._extract_stream_info(stream_info)
    192 
    193         last_video = None
    194         entries = []
    195         for i in itertools.count(1):
    196             if last_video is None:
    197                 info_url = feed_root_url
    198             else:
    199                 info_url = '{root}?&id={id}&newer=-1&type=video'.format(
    200                     root=feed_root_url, id=last_video)
    201             videos_info = self._download_json(
    202                 info_url, event_id, 'Downloading page {0}'.format(i))['data']
    203             videos_info = [v['data'] for v in videos_info if v['type'] == 'video']
    204             if not videos_info:
    205                 break
    206             for v in videos_info:
    207                 v_id = compat_str(v['id'])
    208                 entries.append(self.url_result(
    209                     'http://livestream.com/accounts/%s/events/%s/videos/%s' % (account_id, event_id, v_id),
    210                     'Livestream', v_id, v.get('caption')))
    211             last_video = videos_info[-1]['id']
    212         return self.playlist_result(entries, event_id, event_data['full_name'])
    213 
    214     def _real_extract(self, url):
    215         mobj = re.match(self._VALID_URL, url)
    216         video_id = mobj.group('id')
    217         event = mobj.group('event_id') or mobj.group('event_name')
    218         account = mobj.group('account_id') or mobj.group('account_name')
    219         api_url = self._API_URL_TEMPLATE % (account, event)
    220         if video_id:
    221             video_data = self._download_json(
    222                 api_url + '/videos/%s' % video_id, video_id)
    223             return self._extract_video_info(video_data)
    224         else:
    225             event_data = self._download_json(api_url, video_id)
    226             return self._extract_event(event_data)
    227 
    228 
    229 # The original version of Livestream uses a different system
    230 class LivestreamOriginalIE(InfoExtractor):
    231     IE_NAME = 'livestream:original'
    232     _VALID_URL = r'''(?x)https?://original\.livestream\.com/
    233         (?P<user>[^/\?#]+)(?:/(?P<type>video|folder)
    234         (?:(?:\?.*?Id=|/)(?P<id>.*?)(&|$))?)?
    235         '''
    236     _TESTS = [{
    237         'url': 'http://original.livestream.com/dealbook/video?clipId=pla_8aa4a3f1-ba15-46a4-893b-902210e138fb',
    238         'info_dict': {
    239             'id': 'pla_8aa4a3f1-ba15-46a4-893b-902210e138fb',
    240             'ext': 'mp4',
    241             'title': 'Spark 1 (BitCoin) with Cameron Winklevoss & Tyler Winklevoss of Winklevoss Capital',
    242             'duration': 771.301,
    243             'view_count': int,
    244         },
    245     }, {
    246         'url': 'https://original.livestream.com/newplay/folder?dirId=a07bf706-d0e4-4e75-a747-b021d84f2fd3',
    247         'info_dict': {
    248             'id': 'a07bf706-d0e4-4e75-a747-b021d84f2fd3',
    249         },
    250         'playlist_mincount': 4,
    251     }, {
    252         # live stream
    253         'url': 'http://original.livestream.com/znsbahamas',
    254         'only_matching': True,
    255     }]
    256 
    257     def _extract_video_info(self, user, video_id):
    258         api_url = 'http://x%sx.api.channel.livestream.com/2.0/clipdetails?extendedInfo=true&id=%s' % (user, video_id)
    259         info = self._download_xml(api_url, video_id)
    260 
    261         item = info.find('channel').find('item')
    262         title = xpath_text(item, 'title')
    263         media_ns = {'media': 'http://search.yahoo.com/mrss'}
    264         thumbnail_url = xpath_attr(
    265             item, xpath_with_ns('media:thumbnail', media_ns), 'url')
    266         duration = float_or_none(xpath_attr(
    267             item, xpath_with_ns('media:content', media_ns), 'duration'))
    268         ls_ns = {'ls': 'http://api.channel.livestream.com/2.0'}
    269         view_count = int_or_none(xpath_text(
    270             item, xpath_with_ns('ls:viewsCount', ls_ns)))
    271 
    272         return {
    273             'id': video_id,
    274             'title': title,
    275             'thumbnail': thumbnail_url,
    276             'duration': duration,
    277             'view_count': view_count,
    278         }
    279 
    280     def _extract_video_formats(self, video_data, video_id):
    281         formats = []
    282 
    283         progressive_url = video_data.get('progressiveUrl')
    284         if progressive_url:
    285             formats.append({
    286                 'url': progressive_url,
    287                 'format_id': 'http',
    288             })
    289 
    290         m3u8_url = video_data.get('httpUrl')
    291         if m3u8_url:
    292             formats.extend(self._extract_m3u8_formats(
    293                 m3u8_url, video_id, 'mp4', 'm3u8_native',
    294                 m3u8_id='hls', fatal=False))
    295 
    296         rtsp_url = video_data.get('rtspUrl')
    297         if rtsp_url:
    298             formats.append({
    299                 'url': rtsp_url,
    300                 'format_id': 'rtsp',
    301             })
    302 
    303         self._sort_formats(formats)
    304         return formats
    305 
    306     def _extract_folder(self, url, folder_id):
    307         webpage = self._download_webpage(url, folder_id)
    308         paths = orderedSet(re.findall(
    309             r'''(?x)(?:
    310                 <li\s+class="folder">\s*<a\s+href="|
    311                 <a\s+href="(?=https?://livestre\.am/)
    312             )([^"]+)"''', webpage))
    313 
    314         entries = [{
    315             '_type': 'url',
    316             'url': compat_urlparse.urljoin(url, p),
    317         } for p in paths]
    318 
    319         return self.playlist_result(entries, folder_id)
    320 
    321     def _real_extract(self, url):
    322         mobj = re.match(self._VALID_URL, url)
    323         user = mobj.group('user')
    324         url_type = mobj.group('type')
    325         content_id = mobj.group('id')
    326         if url_type == 'folder':
    327             return self._extract_folder(url, content_id)
    328         else:
    329             # this url is used on mobile devices
    330             stream_url = 'http://x%sx.api.channel.livestream.com/3.0/getstream.json' % user
    331             info = {}
    332             if content_id:
    333                 stream_url += '?id=%s' % content_id
    334                 info = self._extract_video_info(user, content_id)
    335             else:
    336                 content_id = user
    337                 webpage = self._download_webpage(url, content_id)
    338                 info = {
    339                     'title': self._og_search_title(webpage),
    340                     'description': self._og_search_description(webpage),
    341                     'thumbnail': self._search_regex(r'channelLogo\.src\s*=\s*"([^"]+)"', webpage, 'thumbnail', None),
    342                 }
    343             video_data = self._download_json(stream_url, content_id)
    344             is_live = video_data.get('isLive')
    345             info.update({
    346                 'id': content_id,
    347                 'title': self._live_title(info['title']) if is_live else info['title'],
    348                 'formats': self._extract_video_formats(video_data, content_id),
    349                 'is_live': is_live,
    350             })
    351             return info
    352 
    353 
    354 # The server doesn't support HEAD request, the generic extractor can't detect
    355 # the redirection
    356 class LivestreamShortenerIE(InfoExtractor):
    357     IE_NAME = 'livestream:shortener'
    358     IE_DESC = False  # Do not list
    359     _VALID_URL = r'https?://livestre\.am/(?P<id>.+)'
    360 
    361     def _real_extract(self, url):
    362         mobj = re.match(self._VALID_URL, url)
    363         id = mobj.group('id')
    364         webpage = self._download_webpage(url, id)
    365 
    366         return self.url_result(self._og_search_url(webpage))