- # encoding: utf-8
-
- import re
- import json
- import xml.etree.ElementTree
-
- from .common import InfoExtractor
- from ..utils import (
- compat_urllib_parse,
- find_xpath_attr,
- compat_urlparse,
- compat_str,
- compat_urllib_request,
-
- ExtractorError,
- )
-
-
- 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/
- u'url': u'http://c.brightcove.com/services/viewer/htmlFederated?playerID=1654948606001&flashID=myExperience&%40videoPlayer=2371591881001',
- u'file': u'2371591881001.mp4',
- u'md5': u'8eccab865181d29ec2958f32a6a754f5',
- u'note': u'Test Brightcove downloads and detection in GenericIE',
- u'info_dict': {
- u'title': u'Xavier Sala i Martín: “Un banc que no presta és un banc zombi que no serveix per a res”',
- u'uploader': u'8TV',
- u'description': u'md5:a950cc4285c43e44d763d036710cd9cd',
- }
- },
- {
- # From http://medianetwork.oracle.com/video/player/1785452137001
- u'url': u'http://c.brightcove.com/services/viewer/htmlFederated?playerID=1217746023001&flashID=myPlayer&%40videoPlayer=1785452137001',
- u'file': u'1785452137001.flv',
- u'info_dict': {
- u'title': u'JVMLS 2012: Arrays 2.0 - Opportunities and Challenges',
- u'description': u'John Rose speaks at the JVM Language Summit, August 1, 2012.',
- u'uploader': u'Oracle',
- },
- },
- {
- # From http://mashable.com/2013/10/26/thermoelectric-bracelet-lets-you-control-your-body-temperature/
- u'url': u'http://c.brightcove.com/services/viewer/federated_f9?&playerID=1265504713001&publisherID=AQ%7E%7E%2CAAABBzUwv1E%7E%2CxP-xFHVUstiMFlNYfvF4G9yFnNaqCw_9&videoID=2750934548001',
- u'info_dict': {
- u'id': u'2750934548001',
- u'ext': u'mp4',
- u'title': u'This Bracelet Acts as a Personal Thermostat',
- u'description': u'md5:547b78c64f4112766ccf4e151c20b6a0',
- u'uploader': u'Mashable',
- },
- },
- {
- # test that the default referer works
- # from http://national.ballet.ca/interact/video/Lost_in_Motion_II/
- u'url': u'http://link.brightcove.com/services/player/bcpid756015033001?bckey=AQ~~,AAAApYJi_Ck~,GxhXCegT1Dp39ilhXuxMJxasUhVNZiil&bctid=2878862109001',
- u'info_dict': {
- u'id': u'2878862109001',
- u'ext': u'mp4',
- u'title': u'Lost in Motion II',
- u'description': u'md5:363109c02998fee92ec02211bd8000df',
- u'uploader': u'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(u'<--', u'<!--')
-
- 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'],
- }
- def find_param(name):
- node = find_xpath_attr(object_doc, './param', 'name', name)
- if node is not None:
- return node.attrib['value']
- return None
- 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'<object[^>]+?class=([\'"])[^>]*?BrightcoveExperience.*?\1.+?</object>',
- webpage, re.DOTALL)
- if m_brightcove is not None:
- return cls._build_brighcove_url(m_brightcove.group())
- else:
- return None
-
- def _real_extract(self, 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:
- return self._get_video_info(videoPlayer[0], query_str, query,
- # We set the original url as the default 'Referer' header
- referer=url)
- 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']
-
- 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')
-
- json_data = json.loads(playlist_info)
- if 'videoList' not in json_data:
- raise ExtractorError(u'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'],
- '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'],
- })
- else:
- raise ExtractorError(u'Unable to extract video url for %s' % info['id'])
- return info
|
