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# encoding: utf-8from __future__ import unicode_literals
import reimport jsonimport xml.etree.ElementTree
from .common import InfoExtractorfrom ..utils import ( compat_urllib_parse, find_xpath_attr, fix_xml_ampersands, compat_urlparse, compat_str, compat_urllib_request, compat_parse_qs,
ExtractorError, unsmuggle_url,)
class BrightcoveIE(InfoExtractor): _VALID_URL = r'https?://.*brightcove\.com/(services|viewer).*\?(?P<query>.*)' _FEDERATED_URL_TEMPLATE = 'http://c.brightcove.com/services/viewer/htmlFederated?%s' _PLAYLIST_URL_TEMPLATE = 'http://c.brightcove.com/services/json/experience/runtime/?command=get_programming_for_experience&playerKey=%s'
_TESTS = [ { # From http://www.8tv.cat/8aldia/videos/xavier-sala-i-martin-aquesta-tarda-a-8-al-dia/ 'url': 'http://c.brightcove.com/services/viewer/htmlFederated?playerID=1654948606001&flashID=myExperience&%40videoPlayer=2371591881001', 'file': '2371591881001.mp4', 'md5': '5423e113865d26e40624dce2e4b45d95', 'note': 'Test Brightcove downloads and detection in GenericIE', 'info_dict': { 'title': 'Xavier Sala i Martín: “Un banc que no presta és un banc zombi que no serveix per a res”', 'uploader': '8TV', 'description': 'md5:a950cc4285c43e44d763d036710cd9cd', } }, { # From http://medianetwork.oracle.com/video/player/1785452137001 'url': 'http://c.brightcove.com/services/viewer/htmlFederated?playerID=1217746023001&flashID=myPlayer&%40videoPlayer=1785452137001', 'file': '1785452137001.flv', 'info_dict': { 'title': 'JVMLS 2012: Arrays 2.0 - Opportunities and Challenges', 'description': 'John Rose speaks at the JVM Language Summit, August 1, 2012.', 'uploader': 'Oracle', }, }, { # From http://mashable.com/2013/10/26/thermoelectric-bracelet-lets-you-control-your-body-temperature/ 'url': 'http://c.brightcove.com/services/viewer/federated_f9?&playerID=1265504713001&publisherID=AQ%7E%7E%2CAAABBzUwv1E%7E%2CxP-xFHVUstiMFlNYfvF4G9yFnNaqCw_9&videoID=2750934548001', 'info_dict': { 'id': '2750934548001', 'ext': 'mp4', 'title': 'This Bracelet Acts as a Personal Thermostat', 'description': 'md5:547b78c64f4112766ccf4e151c20b6a0', 'uploader': 'Mashable', }, }, { # test that the default referer works # from http://national.ballet.ca/interact/video/Lost_in_Motion_II/ 'url': 'http://link.brightcove.com/services/player/bcpid756015033001?bckey=AQ~~,AAAApYJi_Ck~,GxhXCegT1Dp39ilhXuxMJxasUhVNZiil&bctid=2878862109001', 'info_dict': { 'id': '2878862109001', 'ext': 'mp4', 'title': 'Lost in Motion II', 'description': 'md5:363109c02998fee92ec02211bd8000df', 'uploader': 'National Ballet of Canada', }, }, ]
@classmethod def _build_brighcove_url(cls, object_str): """
Build a Brightcove url from a xml string containing <object class="BrightcoveExperience">{params}</object> """
# Fix up some stupid HTML, see https://github.com/rg3/youtube-dl/issues/1553 object_str = re.sub(r'(<param name="[^"]+" value="[^"]+")>', lambda m: m.group(1) + '/>', object_str) # Fix up some stupid XML, see https://github.com/rg3/youtube-dl/issues/1608 object_str = object_str.replace('<--', '<!--') object_str = fix_xml_ampersands(object_str)
object_doc = xml.etree.ElementTree.fromstring(object_str)
fv_el = find_xpath_attr(object_doc, './param', 'name', 'flashVars') if fv_el is not None: flashvars = dict( (k, v[0]) for k, v in compat_parse_qs(fv_el.attrib['value']).items()) else: flashvars = {}
def find_param(name): if name in flashvars: return flashvars[name] node = find_xpath_attr(object_doc, './param', 'name', name) if node is not None: return node.attrib['value'] return None
params = {}
playerID = find_param('playerID') if playerID is None: raise ExtractorError('Cannot find player ID') params['playerID'] = playerID
playerKey = find_param('playerKey') # Not all pages define this value if playerKey is not None: params['playerKey'] = playerKey # The three fields hold the id of the video videoPlayer = find_param('@videoPlayer') or find_param('videoId') or find_param('videoID') if videoPlayer is not None: params['@videoPlayer'] = videoPlayer linkBase = find_param('linkBaseURL') if linkBase is not None: params['linkBaseURL'] = linkBase data = compat_urllib_parse.urlencode(params) return cls._FEDERATED_URL_TEMPLATE % data
@classmethod def _extract_brightcove_url(cls, webpage): """Try to extract the brightcove url from the wepbage, returns None
if it can't be found """
m_brightcove = re.search( r'''(?sx)<object
(?: [^>]+?class=([\'"])[^>]*?BrightcoveExperience.*?\1 | [^>]*?>\s*<param\s+name="movie"\s+value="https?://[^/]*brightcove\.com/ ).+?</object>''',
webpage) if m_brightcove is not None: return cls._build_brighcove_url(m_brightcove.group()) else: return None
def _real_extract(self, url): url, smuggled_data = unsmuggle_url(url, {})
# Change the 'videoId' and others field to '@videoPlayer' url = re.sub(r'(?<=[?&])(videoI(d|D)|bctid)', '%40videoPlayer', url) # Change bckey (used by bcove.me urls) to playerKey url = re.sub(r'(?<=[?&])bckey', 'playerKey', url) mobj = re.match(self._VALID_URL, url) query_str = mobj.group('query') query = compat_urlparse.parse_qs(query_str)
videoPlayer = query.get('@videoPlayer') if videoPlayer: # We set the original url as the default 'Referer' header referer = smuggled_data.get('Referer', url) return self._get_video_info( videoPlayer[0], query_str, query, referer=referer) else: player_key = query['playerKey'] return self._get_playlist_info(player_key[0])
def _get_video_info(self, video_id, query_str, query, referer=None): request_url = self._FEDERATED_URL_TEMPLATE % query_str req = compat_urllib_request.Request(request_url) linkBase = query.get('linkBaseURL') if linkBase is not None: referer = linkBase[0] if referer is not None: req.add_header('Referer', referer) webpage = self._download_webpage(req, video_id)
self.report_extraction(video_id) info = self._search_regex(r'var experienceJSON = ({.*?});', webpage, 'json') info = json.loads(info)['data'] video_info = info['programmedContent']['videoPlayer']['mediaDTO'] video_info['_youtubedl_adServerURL'] = info.get('adServerURL')
return self._extract_video_info(video_info)
def _get_playlist_info(self, player_key): playlist_info = self._download_webpage(self._PLAYLIST_URL_TEMPLATE % player_key, player_key, 'Downloading playlist information')
json_data = json.loads(playlist_info) if 'videoList' not in json_data: raise ExtractorError('Empty playlist') playlist_info = json_data['videoList'] videos = [self._extract_video_info(video_info) for video_info in playlist_info['mediaCollectionDTO']['videoDTOs']]
return self.playlist_result(videos, playlist_id=playlist_info['id'], playlist_title=playlist_info['mediaCollectionDTO']['displayName'])
def _extract_video_info(self, video_info): info = { 'id': compat_str(video_info['id']), 'title': video_info['displayName'].strip(), 'description': video_info.get('shortDescription'), 'thumbnail': video_info.get('videoStillURL') or video_info.get('thumbnailURL'), 'uploader': video_info.get('publisherName'), }
renditions = video_info.get('renditions') if renditions: renditions = sorted(renditions, key=lambda r: r['size']) info['formats'] = [{ 'url': rend['defaultURL'], 'height': rend.get('frameHeight'), 'width': rend.get('frameWidth'), } for rend in renditions] elif video_info.get('FLVFullLengthURL') is not None: info.update({ 'url': video_info['FLVFullLengthURL'], })
if self._downloader.params.get('include_ads', False): adServerURL = video_info.get('_youtubedl_adServerURL') if adServerURL: ad_info = { '_type': 'url', 'url': adServerURL, } if 'url' in info: return { '_type': 'playlist', 'title': info['title'], 'entries': [ad_info, info], } else: return ad_info
if 'url' not in info and not info.get('formats'): raise ExtractorError('Unable to extract video url for %s' % info['id']) return info
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