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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
14 class MTVServicesInfoExtractor(InfoExtractor):
15 @staticmethod
16 def _id_from_uri(uri):
17 return uri.split(':')[-1]
18
19 # This was originally implemented for ComedyCentral, but it also works here
20 @staticmethod
21 def _transform_rtmp_url(rtmp_video_url):
22 m = re.match(r'^rtmpe?://.*?/(?P<finalid>gsp\..+?/.*)$', rtmp_video_url)
23 if not m:
24 return rtmp_video_url
25 base = 'http://mtvnmobile.vo.llnwd.net/kip0/_pxn=1+_pxI0=Ripod-h264+_pxL0=undefined+_pxM0=+_pxK=18639+_pxE=mp4/44620/mtvnorigin/'
26 return base + m.group('finalid')
27
28 def _get_thumbnail_url(self, uri, itemdoc):
29 search_path = '%s/%s' % (_media_xml_tag('group'), _media_xml_tag('thumbnail'))
30 thumb_node = itemdoc.find(search_path)
31 if thumb_node is None:
32 return None
33 else:
34 return thumb_node.attrib['url']
35
36 def _extract_video_formats(self, metadataXml):
37 if '/error_country_block.swf' in metadataXml:
38 raise ExtractorError(u'This video is not available from your country.', expected=True)
39 mdoc = xml.etree.ElementTree.fromstring(metadataXml.encode('utf-8'))
40
41 formats = []
42 for rendition in mdoc.findall('.//rendition'):
43 try:
44 _, _, ext = rendition.attrib['type'].partition('/')
45 rtmp_video_url = rendition.find('./src').text
46 formats.append({'ext': ext,
47 'url': self._transform_rtmp_url(rtmp_video_url),
48 'format_id': rendition.get('bitrate'),
49 'width': int(rendition.get('width')),
50 'height': int(rendition.get('height')),
51 })
52 except (KeyError, TypeError):
53 raise ExtractorError('Invalid rendition field.')
54 return formats
55
56 def _get_video_info(self, itemdoc):
57 uri = itemdoc.find('guid').text
58 video_id = self._id_from_uri(uri)
59 self.report_extraction(video_id)
60 mediagen_url = itemdoc.find('%s/%s' % (_media_xml_tag('group'), _media_xml_tag('content'))).attrib['url']
61 # Remove the templates, like &device={device}
62 mediagen_url = re.sub(r'&[^=]*?={.*?}(?=(&|$))', u'', mediagen_url)
63 if 'acceptMethods' not in mediagen_url:
64 mediagen_url += '&acceptMethods=fms'
65 mediagen_page = self._download_webpage(mediagen_url, video_id,
66 u'Downloading video urls')
67
68 description_node = itemdoc.find('description')
69 if description_node is not None:
70 description = description_node.text.strip()
71 else:
72 description = None
73
74 return {
75 'title': itemdoc.find('title').text,
76 'formats': self._extract_video_formats(mediagen_page),
77 'id': video_id,
78 'thumbnail': self._get_thumbnail_url(uri, itemdoc),
79 'description': description,
80 }
81
82 def _get_videos_info(self, uri):
83 video_id = self._id_from_uri(uri)
84 data = compat_urllib_parse.urlencode({'uri': uri})
85 idoc = self._download_xml(self._FEED_URL +'?' + data, video_id,
86 u'Downloading info')
87 return [self._get_video_info(item) for item in idoc.findall('.//item')]
88
89
90 class MTVIE(MTVServicesInfoExtractor):
91 _VALID_URL = r'^https?://(?:www\.)?mtv\.com/videos/.+?/(?P<videoid>[0-9]+)/[^/]+$'
92
93 _FEED_URL = 'http://www.mtv.com/player/embed/AS3/rss/'
94
95 _TESTS = [
96 {
97 u'url': u'http://www.mtv.com/videos/misc/853555/ours-vh1-storytellers.jhtml',
98 u'file': u'853555.mp4',
99 u'md5': u'850f3f143316b1e71fa56a4edfd6e0f8',
100 u'info_dict': {
101 u'title': u'Taylor Swift - "Ours (VH1 Storytellers)"',
102 u'description': u'Album: Taylor Swift performs "Ours" for VH1 Storytellers at Harvey Mudd College.',
103 },
104 },
105 {
106 u'add_ie': ['Vevo'],
107 u'url': u'http://www.mtv.com/videos/taylor-swift/916187/everything-has-changed-ft-ed-sheeran.jhtml',
108 u'file': u'USCJY1331283.mp4',
109 u'md5': u'73b4e7fcadd88929292fe52c3ced8caf',
110 u'info_dict': {
111 u'title': u'Everything Has Changed',
112 u'upload_date': u'20130606',
113 u'uploader': u'Taylor Swift',
114 },
115 u'skip': u'VEVO is only available in some countries',
116 },
117 ]
118
119 def _get_thumbnail_url(self, uri, itemdoc):
120 return 'http://mtv.mtvnimages.com/uri/' + uri
121
122 def _real_extract(self, url):
123 mobj = re.match(self._VALID_URL, url)
124 video_id = mobj.group('videoid')
125
126 webpage = self._download_webpage(url, video_id)
127
128 # Some videos come from Vevo.com
129 m_vevo = re.search(r'isVevoVideo = true;.*?vevoVideoId = "(.*?)";',
130 webpage, re.DOTALL)
131 if m_vevo:
132 vevo_id = m_vevo.group(1);
133 self.to_screen(u'Vevo video detected: %s' % vevo_id)
134 return self.url_result('vevo:%s' % vevo_id, ie='Vevo')
135
136 uri = self._html_search_regex(r'/uri/(.*?)\?', webpage, u'uri')
137 return self._get_videos_info(uri)