- 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'),
- }
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