mirror of
https://github.com/l1ving/youtube-dl
synced 2024-11-22 18:22:52 +08:00
278 lines
10 KiB
Python
278 lines
10 KiB
Python
from __future__ import unicode_literals
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import re
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import json
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import itertools
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from .common import InfoExtractor
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from ..compat import (
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compat_str,
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compat_urllib_parse_urlparse,
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compat_urlparse,
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)
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from ..utils import (
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ExtractorError,
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find_xpath_attr,
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int_or_none,
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orderedSet,
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xpath_with_ns,
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)
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class LivestreamIE(InfoExtractor):
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IE_NAME = 'livestream'
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_VALID_URL = r'https?://(?:new\.)?livestream\.com/.*?/(?P<event_name>.*?)(/videos/(?P<id>[0-9]+)(?:/player)?)?/?(?:$|[?#])'
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_TESTS = [{
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'url': 'http://new.livestream.com/CoheedandCambria/WebsterHall/videos/4719370',
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'md5': '53274c76ba7754fb0e8d072716f2292b',
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'info_dict': {
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'id': '4719370',
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'ext': 'mp4',
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'title': 'Live from Webster Hall NYC',
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'upload_date': '20121012',
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'like_count': int,
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'view_count': int,
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'thumbnail': 're:^http://.*\.jpg$'
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}
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}, {
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'url': 'http://new.livestream.com/tedx/cityenglish',
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'info_dict': {
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'title': 'TEDCity2.0 (English)',
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'id': '2245590',
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},
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'playlist_mincount': 4,
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}, {
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'url': 'http://new.livestream.com/chess24/tatasteelchess',
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'info_dict': {
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'title': 'Tata Steel Chess',
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'id': '3705884',
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},
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'playlist_mincount': 60,
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}, {
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'url': 'https://new.livestream.com/accounts/362/events/3557232/videos/67864563/player?autoPlay=false&height=360&mute=false&width=640',
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'only_matching': True,
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}, {
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'url': 'http://livestream.com/bsww/concacafbeachsoccercampeonato2015',
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'only_matching': True,
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}]
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def _parse_smil(self, video_id, smil_url):
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formats = []
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_SWITCH_XPATH = (
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'.//{http://www.w3.org/2001/SMIL20/Language}body/'
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'{http://www.w3.org/2001/SMIL20/Language}switch')
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smil_doc = self._download_xml(
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smil_url, video_id,
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note='Downloading SMIL information',
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errnote='Unable to download SMIL information',
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fatal=False)
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if smil_doc is False: # Download failed
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return formats
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title_node = find_xpath_attr(
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smil_doc, './/{http://www.w3.org/2001/SMIL20/Language}meta',
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'name', 'title')
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if title_node is None:
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self.report_warning('Cannot find SMIL id')
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switch_node = smil_doc.find(_SWITCH_XPATH)
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else:
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title_id = title_node.attrib['content']
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switch_node = find_xpath_attr(
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smil_doc, _SWITCH_XPATH, 'id', title_id)
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if switch_node is None:
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raise ExtractorError('Cannot find switch node')
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video_nodes = switch_node.findall(
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'{http://www.w3.org/2001/SMIL20/Language}video')
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for vn in video_nodes:
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tbr = int_or_none(vn.attrib.get('system-bitrate'))
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furl = (
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'http://livestream-f.akamaihd.net/%s?v=3.0.3&fp=WIN%%2014,0,0,145' %
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(vn.attrib['src']))
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if 'clipBegin' in vn.attrib:
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furl += '&ssek=' + vn.attrib['clipBegin']
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formats.append({
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'url': furl,
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'format_id': 'smil_%d' % tbr,
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'ext': 'flv',
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'tbr': tbr,
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'preference': -1000,
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})
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return formats
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def _extract_video_info(self, video_data):
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video_id = compat_str(video_data['id'])
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FORMAT_KEYS = (
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('sd', 'progressive_url'),
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('hd', 'progressive_url_hd'),
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)
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formats = [{
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'format_id': format_id,
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'url': video_data[key],
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'quality': i + 1,
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} for i, (format_id, key) in enumerate(FORMAT_KEYS)
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if video_data.get(key)]
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smil_url = video_data.get('smil_url')
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if smil_url:
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formats.extend(self._parse_smil(video_id, smil_url))
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self._sort_formats(formats)
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return {
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'id': video_id,
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'formats': formats,
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'title': video_data['caption'],
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'thumbnail': video_data.get('thumbnail_url'),
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'upload_date': video_data['updated_at'].replace('-', '')[:8],
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'like_count': video_data.get('likes', {}).get('total'),
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'view_count': video_data.get('views'),
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}
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def _extract_event(self, info):
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event_id = compat_str(info['id'])
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account = compat_str(info['owner_account_id'])
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root_url = (
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'https://new.livestream.com/api/accounts/{account}/events/{event}/'
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'feed.json'.format(account=account, event=event_id))
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def _extract_videos():
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last_video = None
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for i in itertools.count(1):
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if last_video is None:
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info_url = root_url
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else:
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info_url = '{root}?&id={id}&newer=-1&type=video'.format(
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root=root_url, id=last_video)
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videos_info = self._download_json(info_url, event_id, 'Downloading page {0}'.format(i))['data']
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videos_info = [v['data'] for v in videos_info if v['type'] == 'video']
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if not videos_info:
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break
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for v in videos_info:
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yield self._extract_video_info(v)
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last_video = videos_info[-1]['id']
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return self.playlist_result(_extract_videos(), event_id, info['full_name'])
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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video_id = mobj.group('id')
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event_name = mobj.group('event_name')
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webpage = self._download_webpage(url, video_id or event_name)
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og_video = self._og_search_video_url(
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webpage, 'player url', fatal=False, default=None)
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if og_video is not None:
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query_str = compat_urllib_parse_urlparse(og_video).query
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query = compat_urlparse.parse_qs(query_str)
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if 'play_url' in query:
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api_url = query['play_url'][0].replace('.smil', '')
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info = json.loads(self._download_webpage(
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api_url, video_id, 'Downloading video info'))
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return self._extract_video_info(info)
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config_json = self._search_regex(
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r'window.config = ({.*?});', webpage, 'window config')
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info = json.loads(config_json)['event']
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def is_relevant(vdata, vid):
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result = vdata['type'] == 'video'
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if video_id is not None:
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result = result and compat_str(vdata['data']['id']) == vid
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return result
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if video_id is None:
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# This is an event page:
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return self._extract_event(info)
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else:
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videos = [self._extract_video_info(video_data['data'])
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for video_data in info['feed']['data']
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if is_relevant(video_data, video_id)]
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if not videos:
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raise ExtractorError('Cannot find video %s' % video_id)
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return videos[0]
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# The original version of Livestream uses a different system
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class LivestreamOriginalIE(InfoExtractor):
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IE_NAME = 'livestream:original'
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_VALID_URL = r'''(?x)https?://original\.livestream\.com/
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(?P<user>[^/]+)/(?P<type>video|folder)
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(?:\?.*?Id=|/)(?P<id>.*?)(&|$)
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'''
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_TESTS = [{
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'url': 'http://original.livestream.com/dealbook/video?clipId=pla_8aa4a3f1-ba15-46a4-893b-902210e138fb',
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'info_dict': {
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'id': 'pla_8aa4a3f1-ba15-46a4-893b-902210e138fb',
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'ext': 'mp4',
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'title': 'Spark 1 (BitCoin) with Cameron Winklevoss & Tyler Winklevoss of Winklevoss Capital',
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},
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}, {
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'url': 'https://original.livestream.com/newplay/folder?dirId=a07bf706-d0e4-4e75-a747-b021d84f2fd3',
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'info_dict': {
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'id': 'a07bf706-d0e4-4e75-a747-b021d84f2fd3',
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},
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'playlist_mincount': 4,
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}]
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def _extract_video(self, user, video_id):
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api_url = 'http://x{0}x.api.channel.livestream.com/2.0/clipdetails?extendedInfo=true&id={1}'.format(user, video_id)
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info = self._download_xml(api_url, video_id)
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# this url is used on mobile devices
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stream_url = 'http://x{0}x.api.channel.livestream.com/3.0/getstream.json?id={1}'.format(user, video_id)
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stream_info = self._download_json(stream_url, video_id)
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item = info.find('channel').find('item')
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ns = {'media': 'http://search.yahoo.com/mrss'}
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thumbnail_url = item.find(xpath_with_ns('media:thumbnail', ns)).attrib['url']
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return {
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'id': video_id,
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'title': item.find('title').text,
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'url': stream_info['progressiveUrl'],
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'thumbnail': thumbnail_url,
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}
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def _extract_folder(self, url, folder_id):
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webpage = self._download_webpage(url, folder_id)
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paths = orderedSet(re.findall(
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r'''(?x)(?:
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<li\s+class="folder">\s*<a\s+href="|
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<a\s+href="(?=https?://livestre\.am/)
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)([^"]+)"''', webpage))
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return {
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'_type': 'playlist',
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'id': folder_id,
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'entries': [{
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'_type': 'url',
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'url': compat_urlparse.urljoin(url, p),
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} for p in paths],
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}
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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id = mobj.group('id')
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user = mobj.group('user')
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url_type = mobj.group('type')
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if url_type == 'folder':
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return self._extract_folder(url, id)
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else:
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return self._extract_video(user, id)
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# The server doesn't support HEAD request, the generic extractor can't detect
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# the redirection
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class LivestreamShortenerIE(InfoExtractor):
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IE_NAME = 'livestream:shortener'
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IE_DESC = False # Do not list
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_VALID_URL = r'https?://livestre\.am/(?P<id>.+)'
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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id = mobj.group('id')
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webpage = self._download_webpage(url, id)
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return {
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'_type': 'url',
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'url': self._og_search_url(webpage),
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}
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