mirror of
https://github.com/l1ving/youtube-dl
synced 2024-11-23 10:12:51 +08:00
122 lines
4.9 KiB
Python
122 lines
4.9 KiB
Python
import re
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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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ExtractorError,
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)
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def _media_xml_tag(tag):
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return '{http://search.yahoo.com/mrss/}%s' % tag
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class MTVIE(InfoExtractor):
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_VALID_URL = r'^https?://(?:www\.)?mtv\.com/videos/.+?/(?P<videoid>[0-9]+)/[^/]+$'
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_FEED_URL = 'http://www.mtv.com/player/embed/AS3/rss/'
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_TESTS = [
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{
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u'url': u'http://www.mtv.com/videos/misc/853555/ours-vh1-storytellers.jhtml',
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u'file': u'853555.mp4',
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u'md5': u'850f3f143316b1e71fa56a4edfd6e0f8',
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u'info_dict': {
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u'title': u'Taylor Swift - "Ours (VH1 Storytellers)"',
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u'description': u'Album: Taylor Swift performs "Ours" for VH1 Storytellers at Harvey Mudd College.',
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},
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},
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{
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u'url': u'http://www.mtv.com/videos/taylor-swift/916187/everything-has-changed-ft-ed-sheeran.jhtml',
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u'file': u'USCJY1331283.mp4',
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u'md5': u'73b4e7fcadd88929292fe52c3ced8caf',
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u'info_dict': {
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u'title': u'Everything Has Changed',
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u'upload_date': u'20130606',
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u'uploader': u'Taylor Swift',
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},
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u'skip': u'VEVO is only available in some countries',
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},
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]
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@staticmethod
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def _id_from_uri(uri):
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return uri.split(':')[-1]
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# This was originally implemented for ComedyCentral, but it also works here
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@staticmethod
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def _transform_rtmp_url(rtmp_video_url):
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m = re.match(r'^rtmpe?://.*?/(?P<finalid>gsp\..+?/.*)$', rtmp_video_url)
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if not m:
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raise ExtractorError(u'Cannot transform RTMP url')
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base = 'http://mtvnmobile.vo.llnwd.net/kip0/_pxn=1+_pxI0=Ripod-h264+_pxL0=undefined+_pxM0=+_pxK=18639+_pxE=mp4/44620/mtvnorigin/'
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return base + m.group('finalid')
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def _get_thumbnail_url(self, uri, itemdoc):
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return 'http://mtv.mtvnimages.com/uri/' + uri
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def _extract_video_url(self, metadataXml):
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if '/error_country_block.swf' in metadataXml:
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raise ExtractorError(u'This video is not available from your country.', expected=True)
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mdoc = xml.etree.ElementTree.fromstring(metadataXml.encode('utf-8'))
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renditions = mdoc.findall('.//rendition')
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# For now, always pick the highest quality.
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rendition = renditions[-1]
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try:
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_,_,ext = rendition.attrib['type'].partition('/')
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format = ext + '-' + rendition.attrib['width'] + 'x' + rendition.attrib['height'] + '_' + rendition.attrib['bitrate']
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rtmp_video_url = rendition.find('./src').text
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except KeyError:
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raise ExtractorError('Invalid rendition field.')
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video_url = self._transform_rtmp_url(rtmp_video_url)
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return {'ext': ext, 'url': video_url, 'format': format}
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def _get_video_info(self, itemdoc):
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uri = itemdoc.find('guid').text
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video_id = self._id_from_uri(uri)
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self.report_extraction(video_id)
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mediagen_url = itemdoc.find('%s/%s' % (_media_xml_tag('group'), _media_xml_tag('content'))).attrib['url']
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if 'acceptMethods' not in mediagen_url:
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mediagen_url += '&acceptMethods=fms'
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mediagen_page = self._download_webpage(mediagen_url, video_id,
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u'Downloading video urls')
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video_info = self._extract_video_url(mediagen_page)
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description_node = itemdoc.find('description')
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if description_node is not None:
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description = description_node.text
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else:
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description = None
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video_info.update({'title': itemdoc.find('title').text,
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'id': video_id,
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'thumbnail': self._get_thumbnail_url(uri, itemdoc),
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'description': description,
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})
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return video_info
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def _get_videos_info(self, uri):
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video_id = self._id_from_uri(uri)
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data = compat_urllib_parse.urlencode({'uri': uri})
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infoXml = self._download_webpage(self._FEED_URL +'?' + data, video_id,
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u'Downloading info')
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idoc = xml.etree.ElementTree.fromstring(infoXml.encode('utf-8'))
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return [self._get_video_info(item) for item in idoc.findall('.//item')]
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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video_id = mobj.group('videoid')
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webpage = self._download_webpage(url, video_id)
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# Some videos come from Vevo.com
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m_vevo = re.search(r'isVevoVideo = true;.*?vevoVideoId = "(.*?)";',
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webpage, re.DOTALL)
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if m_vevo:
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vevo_id = m_vevo.group(1);
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self.to_screen(u'Vevo video detected: %s' % vevo_id)
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return self.url_result('vevo:%s' % vevo_id, ie='Vevo')
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uri = self._html_search_regex(r'/uri/(.*?)\?', webpage, u'uri')
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return self._get_videos_info(uri)
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