245 lines
		
	
	
	
		
			8.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			245 lines
		
	
	
	
		
			8.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from __future__ import unicode_literals
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| 
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| import re
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| import json
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| 
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| from .common import InfoExtractor
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| from ..utils 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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|     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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| 
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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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|         },
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|         'playlist_mincount': 4,
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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 video_id is None:
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|             # This is an event page:
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|             return self.playlist_result(videos, info['id'], info['full_name'])
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|         else:
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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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| 
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| 
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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?://www\.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://www.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': 'flv',
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|             'title': 'Spark 1 (BitCoin) with Cameron Winklevoss & Tyler Winklevoss of Winklevoss Capital',
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|         },
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|         'params': {
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|             # rtmp
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|             'skip_download': True,
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|         },
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|     }, {
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|         'url': 'https://www.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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| 
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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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| 
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|         info = self._download_xml(api_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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|         # Remove the extension and number from the path (like 1.jpg)
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|         path = self._search_regex(r'(user-files/.+)_.*?\.jpg$', thumbnail_url, 'path')
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| 
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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': 'rtmp://extondemand.livestream.com/ondemand',
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|             'play_path': 'trans/dv15/mogulus-{0}'.format(path),
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|             'player_url': 'http://static.livestream.com/chromelessPlayer/v21/playerapi.swf?hash=5uetk&v=0803&classid=D27CDB6E-AE6D-11cf-96B8-444553540000&jsEnabled=false&wmode=opaque',
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|             'ext': 'flv',
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|             'thumbnail': thumbnail_url,
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|         }
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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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| 
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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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| 
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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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| 
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| 
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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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| 
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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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| 
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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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