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[youtubedl] / youtube_dl / extractor / mtv.py
1 import re
2 import xml.etree.ElementTree
3
4 from .common import InfoExtractor
5 from ..utils import (
6 compat_urllib_parse,
7 ExtractorError,
8 )
9
10 def _media_xml_tag(tag):
11 return '{http://search.yahoo.com/mrss/}%s' % tag
12
13 class MTVIE(InfoExtractor):
14 _VALID_URL = r'^https?://(?:www\.)?mtv\.com/videos/.+?/(?P<videoid>[0-9]+)/[^/]+$'
15
16 _FEED_URL = 'http://www.mtv.com/player/embed/AS3/rss/'
17
18 _TESTS = [
19 {
20 u'url': u'http://www.mtv.com/videos/misc/853555/ours-vh1-storytellers.jhtml',
21 u'file': u'853555.mp4',
22 u'md5': u'850f3f143316b1e71fa56a4edfd6e0f8',
23 u'info_dict': {
24 u'title': u'Taylor Swift - "Ours (VH1 Storytellers)"',
25 u'description': u'Album: Taylor Swift performs "Ours" for VH1 Storytellers at Harvey Mudd College.',
26 },
27 },
28 {
29 u'url': u'http://www.mtv.com/videos/taylor-swift/916187/everything-has-changed-ft-ed-sheeran.jhtml',
30 u'file': u'USCJY1331283.mp4',
31 u'md5': u'73b4e7fcadd88929292fe52c3ced8caf',
32 u'info_dict': {
33 u'title': u'Everything Has Changed',
34 u'upload_date': u'20130606',
35 u'uploader': u'Taylor Swift',
36 },
37 u'skip': u'VEVO is only available in some countries',
38 },
39 ]
40
41 @staticmethod
42 def _id_from_uri(uri):
43 return uri.split(':')[-1]
44
45 # This was originally implemented for ComedyCentral, but it also works here
46 @staticmethod
47 def _transform_rtmp_url(rtmp_video_url):
48 m = re.match(r'^rtmpe?://.*?/(?P<finalid>gsp\..+?/.*)$', rtmp_video_url)
49 if not m:
50 raise ExtractorError(u'Cannot transform RTMP url')
51 base = 'http://mtvnmobile.vo.llnwd.net/kip0/_pxn=1+_pxI0=Ripod-h264+_pxL0=undefined+_pxM0=+_pxK=18639+_pxE=mp4/44620/mtvnorigin/'
52 return base + m.group('finalid')
53
54 def _get_thumbnail_url(self, uri, itemdoc):
55 return 'http://mtv.mtvnimages.com/uri/' + uri
56
57 def _extract_video_url(self, metadataXml):
58 if '/error_country_block.swf' in metadataXml:
59 raise ExtractorError(u'This video is not available from your country.', expected=True)
60 mdoc = xml.etree.ElementTree.fromstring(metadataXml.encode('utf-8'))
61 renditions = mdoc.findall('.//rendition')
62
63 # For now, always pick the highest quality.
64 rendition = renditions[-1]
65
66 try:
67 _,_,ext = rendition.attrib['type'].partition('/')
68 format = ext + '-' + rendition.attrib['width'] + 'x' + rendition.attrib['height'] + '_' + rendition.attrib['bitrate']
69 rtmp_video_url = rendition.find('./src').text
70 except KeyError:
71 raise ExtractorError('Invalid rendition field.')
72 video_url = self._transform_rtmp_url(rtmp_video_url)
73 return {'ext': ext, 'url': video_url, 'format': format}
74
75 def _get_video_info(self, itemdoc):
76 uri = itemdoc.find('guid').text
77 video_id = self._id_from_uri(uri)
78 self.report_extraction(video_id)
79 mediagen_url = itemdoc.find('%s/%s' % (_media_xml_tag('group'), _media_xml_tag('content'))).attrib['url']
80 if 'acceptMethods' not in mediagen_url:
81 mediagen_url += '&acceptMethods=fms'
82 mediagen_page = self._download_webpage(mediagen_url, video_id,
83 u'Downloading video urls')
84 video_info = self._extract_video_url(mediagen_page)
85
86 description_node = itemdoc.find('description')
87 if description_node is not None:
88 description = description_node.text
89 else:
90 description = None
91 video_info.update({'title': itemdoc.find('title').text,
92 'id': video_id,
93 'thumbnail': self._get_thumbnail_url(uri, itemdoc),
94 'description': description,
95 })
96 return video_info
97
98 def _get_videos_info(self, uri):
99 video_id = self._id_from_uri(uri)
100 data = compat_urllib_parse.urlencode({'uri': uri})
101 infoXml = self._download_webpage(self._FEED_URL +'?' + data, video_id,
102 u'Downloading info')
103 idoc = xml.etree.ElementTree.fromstring(infoXml.encode('utf-8'))
104 return [self._get_video_info(item) for item in idoc.findall('.//item')]
105
106 def _real_extract(self, url):
107 mobj = re.match(self._VALID_URL, url)
108 video_id = mobj.group('videoid')
109
110 webpage = self._download_webpage(url, video_id)
111
112 # Some videos come from Vevo.com
113 m_vevo = re.search(r'isVevoVideo = true;.*?vevoVideoId = "(.*?)";',
114 webpage, re.DOTALL)
115 if m_vevo:
116 vevo_id = m_vevo.group(1);
117 self.to_screen(u'Vevo video detected: %s' % vevo_id)
118 return self.url_result('vevo:%s' % vevo_id, ie='Vevo')
119
120 uri = self._html_search_regex(r'/uri/(.*?)\?', webpage, u'uri')
121 return self._get_videos_info(uri)