import re import json import xml.etree.ElementTree from .common import InfoExtractor from ..utils import ( compat_urllib_parse, find_xpath_attr, compat_urlparse, ) 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' # There is a test for Brigtcove in GenericIE, that way we test both the download # and the detection of videos, and we don't have to find an URL that is always valid @classmethod def _build_brighcove_url(cls, object_str): """ Build a Brightcove url from a xml string containing <object class="BrightcoveExperience">{params}</object> """ object_doc = xml.etree.ElementTree.fromstring(object_str) assert u'BrightcoveExperience' in object_doc.attrib['class'] params = {'flashID': object_doc.attrib['id'], 'playerID': find_xpath_attr(object_doc, './param', 'name', 'playerID').attrib['value'], } playerKey = find_xpath_attr(object_doc, './param', 'name', 'playerKey') # Not all pages define this value if playerKey is not None: params['playerKey'] = playerKey.attrib['value'] videoPlayer = find_xpath_attr(object_doc, './param', 'name', '@videoPlayer') if videoPlayer is not None: params['@videoPlayer'] = videoPlayer.attrib['value'] data = compat_urllib_parse.urlencode(params) return cls._FEDERATED_URL_TEMPLATE % data def _real_extract(self, 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: return self._get_video_info(videoPlayer[0], query_str) else: player_key = query['playerKey'] return self._get_playlist_info(player_key[0]) def _get_video_info(self, video_id, query): request_url = self._FEDERATED_URL_TEMPLATE % query webpage = self._download_webpage(request_url, 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'] 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, u'Downloading playlist information') playlist_info = json.loads(playlist_info)['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): renditions = video_info['renditions'] renditions = sorted(renditions, key=lambda r: r['size']) best_format = renditions[-1] return {'id': video_info['id'], 'title': video_info['displayName'], 'url': best_format['defaultURL'], 'ext': 'mp4', 'description': video_info.get('shortDescription'), 'thumbnail': video_info.get('videoStillURL') or video_info.get('thumbnailURL'), 'uploader': video_info.get('publisherName'), }