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[youtube-dl] / youtube_dl / extractor / mtv.py
1 from __future__ import unicode_literals
2
3 import re
4
5 from .common import InfoExtractor
6 from ..utils import (
7     compat_urllib_parse,
8     ExtractorError,
9     find_xpath_attr,
10     fix_xml_ampersands,
11     url_basename,
12     RegexNotFoundError,
13 )
14
15
16 def _media_xml_tag(tag):
17     return '{http://search.yahoo.com/mrss/}%s' % tag
18
19
20 class MTVServicesInfoExtractor(InfoExtractor):
21     @staticmethod
22     def _id_from_uri(uri):
23         return uri.split(':')[-1]
24
25     # This was originally implemented for ComedyCentral, but it also works here
26     @staticmethod
27     def _transform_rtmp_url(rtmp_video_url):
28         m = re.match(r'^rtmpe?://.*?/(?P<finalid>gsp\..+?/.*)$', rtmp_video_url)
29         if not m:
30             return rtmp_video_url
31         base = 'http://mtvnmobile.vo.llnwd.net/kip0/_pxn=1+_pxI0=Ripod-h264+_pxL0=undefined+_pxM0=+_pxK=18639+_pxE=mp4/44620/mtvnorigin/'
32         return base + m.group('finalid')
33
34     def _get_thumbnail_url(self, uri, itemdoc):
35         search_path = '%s/%s' % (_media_xml_tag('group'), _media_xml_tag('thumbnail'))
36         thumb_node = itemdoc.find(search_path)
37         if thumb_node is None:
38             return None
39         else:
40             return thumb_node.attrib['url']
41
42     def _extract_video_formats(self, mdoc):
43         if re.match(r'.*/error_country_block\.swf$', mdoc.find('.//src').text) is not None:
44             raise ExtractorError('This video is not available from your country.', expected=True)
45
46         formats = []
47         for rendition in mdoc.findall('.//rendition'):
48             try:
49                 _, _, ext = rendition.attrib['type'].partition('/')
50                 rtmp_video_url = rendition.find('./src').text
51                 formats.append({'ext': ext,
52                                 'url': self._transform_rtmp_url(rtmp_video_url),
53                                 'format_id': rendition.get('bitrate'),
54                                 'width': int(rendition.get('width')),
55                                 'height': int(rendition.get('height')),
56                                 })
57             except (KeyError, TypeError):
58                 raise ExtractorError('Invalid rendition field.')
59         return formats
60
61     def _get_video_info(self, itemdoc):
62         uri = itemdoc.find('guid').text
63         video_id = self._id_from_uri(uri)
64         self.report_extraction(video_id)
65         mediagen_url = itemdoc.find('%s/%s' % (_media_xml_tag('group'), _media_xml_tag('content'))).attrib['url']
66         # Remove the templates, like &device={device}
67         mediagen_url = re.sub(r'&[^=]*?={.*?}(?=(&|$))', '', mediagen_url)
68         if 'acceptMethods' not in mediagen_url:
69             mediagen_url += '&acceptMethods=fms'
70
71         mediagen_doc = self._download_xml(mediagen_url, video_id,
72             'Downloading video urls')
73
74         description_node = itemdoc.find('description')
75         if description_node is not None:
76             description = description_node.text.strip()
77         else:
78             description = None
79
80         title_el = None
81         if title_el is None:
82             title_el = find_xpath_attr(
83                 itemdoc, './/{http://search.yahoo.com/mrss/}category',
84                 'scheme', 'urn:mtvn:video_title')
85         if title_el is None:
86             title_el = itemdoc.find('.//{http://search.yahoo.com/mrss/}title')
87         if title_el is None:
88             title_el = itemdoc.find('./title')
89             if title_el.text is None:
90                 title_el = None
91         if title_el is None:
92             title_el = itemdoc.find('./item/title')
93
94         title = title_el.text
95         if title is None:
96             raise ExtractorError('Could not find video title')
97         title = title.strip()
98
99         return {
100             'title': title,
101             'formats': self._extract_video_formats(mediagen_doc),
102             'id': video_id,
103             'thumbnail': self._get_thumbnail_url(uri, itemdoc),
104             'description': description,
105         }
106
107     def _get_videos_info(self, uri):
108         video_id = self._id_from_uri(uri)
109         data = compat_urllib_parse.urlencode({'uri': uri})
110
111         idoc = self._download_xml(
112             self._FEED_URL + '?' + data, video_id,
113             'Downloading info', transform_source=fix_xml_ampersands)
114         return [self._get_video_info(item) for item in idoc.findall('.//item')]
115
116     def _real_extract(self, url):
117         title = url_basename(url)
118         webpage = self._download_webpage(url, title)
119         try:
120             # the url can be http://media.mtvnservices.com/fb/{mgid}.swf
121             # or http://media.mtvnservices.com/{mgid}
122             og_url = self._og_search_video_url(webpage)
123             mgid = url_basename(og_url)
124             if mgid.endswith('.swf'):
125                 mgid = mgid[:-4]
126         except RegexNotFoundError:
127             mgid = self._search_regex(
128                 [r'data-mgid="(.*?)"', r'swfobject.embedSWF\(".*?(mgid:.*?)"'],
129                 webpage, u'mgid')
130         return self._get_videos_info(mgid)
131
132
133 class MTVIE(MTVServicesInfoExtractor):
134     _VALID_URL = r'''(?x)^https?://
135         (?:(?:www\.)?mtv\.com/videos/.+?/(?P<videoid>[0-9]+)/[^/]+$|
136            m\.mtv\.com/videos/video\.rbml\?.*?id=(?P<mgid>[^&]+))'''
137
138     _FEED_URL = 'http://www.mtv.com/player/embed/AS3/rss/'
139
140     _TESTS = [
141         {
142             'url': 'http://www.mtv.com/videos/misc/853555/ours-vh1-storytellers.jhtml',
143             'file': '853555.mp4',
144             'md5': '850f3f143316b1e71fa56a4edfd6e0f8',
145             'info_dict': {
146                 'title': 'Taylor Swift - "Ours (VH1 Storytellers)"',
147                 'description': 'Album: Taylor Swift performs "Ours" for VH1 Storytellers at Harvey Mudd College.',
148             },
149         },
150         {
151             'add_ie': ['Vevo'],
152             'url': 'http://www.mtv.com/videos/taylor-swift/916187/everything-has-changed-ft-ed-sheeran.jhtml',
153             'file': 'USCJY1331283.mp4',
154             'md5': '73b4e7fcadd88929292fe52c3ced8caf',
155             'info_dict': {
156                 'title': 'Everything Has Changed',
157                 'upload_date': '20130606',
158                 'uploader': 'Taylor Swift',
159             },
160             'skip': 'VEVO is only available in some countries',
161         },
162     ]
163
164     def _get_thumbnail_url(self, uri, itemdoc):
165         return 'http://mtv.mtvnimages.com/uri/' + uri
166
167     def _real_extract(self, url):
168         mobj = re.match(self._VALID_URL, url)
169         video_id = mobj.group('videoid')
170         uri = mobj.groupdict().get('mgid')
171         if uri is None:
172             webpage = self._download_webpage(url, video_id)
173     
174             # Some videos come from Vevo.com
175             m_vevo = re.search(r'isVevoVideo = true;.*?vevoVideoId = "(.*?)";',
176                                webpage, re.DOTALL)
177             if m_vevo:
178                 vevo_id = m_vevo.group(1);
179                 self.to_screen('Vevo video detected: %s' % vevo_id)
180                 return self.url_result('vevo:%s' % vevo_id, ie='Vevo')
181     
182             uri = self._html_search_regex(r'/uri/(.*?)\?', webpage, 'uri')
183         return self._get_videos_info(uri)
184
185
186 class MTVIggyIE(MTVServicesInfoExtractor):
187     IE_NAME = 'mtviggy.com'
188     _VALID_URL = r'https?://www\.mtviggy\.com/videos/.+'
189     _TEST = {
190         'url': 'http://www.mtviggy.com/videos/arcade-fire-behind-the-scenes-at-the-biggest-music-experiment-yet/',
191         'info_dict': {
192             'id': '984696',
193             'ext': 'mp4',
194             'title': 'Arcade Fire: Behind the Scenes at the Biggest Music Experiment Yet',
195         }
196     }
197     _FEED_URL = 'http://all.mtvworldverticals.com/feed-xml/'