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Brightcove videos info is usually found in an <object class="BrightcoveExperience"></object> node, this is passed to a new method of BrightcoveIE that builds a url to extract the video.
60 lines
2.5 KiB
Python
60 lines
2.5 KiB
Python
import re
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import json
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import xml.etree.ElementTree
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from .common import InfoExtractor
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from ..utils import (
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compat_urllib_parse,
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)
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class BrightcoveIE(InfoExtractor):
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_VALID_URL = r'http://.*brightcove\.com/.*\?(?P<query>.*videoPlayer=(?P<id>\d*).*)'
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_FEDERATED_URL_TEMPLATE = 'http://c.brightcove.com/services/viewer/htmlFederated?%s'
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# There is a test for Brigtcove in GenericIE, that way we test both the download
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# and the detection of videos, and we don't have to find an URL that is always valid
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@classmethod
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def _build_brighcove_url(cls, object_str):
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"""
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Build a Brightcove url from a xml string containing
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<object class="BrightcoveExperience">{params}</object>
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"""
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object_doc = xml.etree.ElementTree.fromstring(object_str)
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assert object_doc.attrib['class'] == u'BrightcoveExperience'
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params = {'flashID': object_doc.attrib['id'],
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'playerID': object_doc.find('./param[@name="playerID"]').attrib['value'],
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'@videoPlayer': object_doc.find('./param[@name="@videoPlayer"]').attrib['value'],
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}
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playerKey = object_doc.find('./param[@name="playerKey"]')
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# Not all pages define this value
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if playerKey is not None:
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params['playerKey'] = playerKey.attrib['value']
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data = compat_urllib_parse.urlencode(params)
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return cls._FEDERATED_URL_TEMPLATE % data
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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query = mobj.group('query')
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video_id = mobj.group('id')
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request_url = self._FEDERATED_URL_TEMPLATE % query
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webpage = self._download_webpage(request_url, video_id)
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self.report_extraction(video_id)
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info = self._search_regex(r'var experienceJSON = ({.*?});', webpage, 'json')
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info = json.loads(info)['data']
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video_info = info['programmedContent']['videoPlayer']['mediaDTO']
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renditions = video_info['renditions']
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renditions = sorted(renditions, key=lambda r: r['size'])
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best_format = renditions[-1]
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return {'id': video_id,
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'title': video_info['displayName'],
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'url': best_format['defaultURL'],
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'ext': 'mp4',
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'description': video_info.get('shortDescription'),
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'thumbnail': video_info.get('videoStillURL') or video_info.get('thumbnailURL'),
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'uploader': video_info.get('publisherName'),
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}
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