mirror of
https://github.com/l1ving/youtube-dl
synced 2024-11-22 07:12:55 +08:00
87 lines
3.8 KiB
Python
87 lines
3.8 KiB
Python
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'),
|
|
}
|