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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 _extract_video_url(self, metadataXml): | |
55 | if '/error_country_block.swf' in metadataXml: | |
56 | raise ExtractorError(u'This video is not available from your country.', expected=True) | |
57 | mdoc = xml.etree.ElementTree.fromstring(metadataXml.encode('utf-8')) | |
58 | renditions = mdoc.findall('.//rendition') | |
59 | ||
60 | # For now, always pick the highest quality. | |
61 | rendition = renditions[-1] | |
62 | ||
63 | try: | |
64 | _,_,ext = rendition.attrib['type'].partition('/') | |
65 | format = ext + '-' + rendition.attrib['width'] + 'x' + rendition.attrib['height'] + '_' + rendition.attrib['bitrate'] | |
66 | rtmp_video_url = rendition.find('./src').text | |
67 | except KeyError: | |
68 | raise ExtractorError('Invalid rendition field.') | |
69 | video_url = self._transform_rtmp_url(rtmp_video_url) | |
70 | return {'ext': ext, 'url': video_url, 'format': format} | |
71 | ||
72 | def _get_video_info(self, itemdoc): | |
73 | uri = itemdoc.find('guid').text | |
74 | video_id = self._id_from_uri(uri) | |
75 | self.report_extraction(video_id) | |
76 | mediagen_url = itemdoc.find('%s/%s' % (_media_xml_tag('group'), _media_xml_tag('content'))).attrib['url'] | |
77 | if 'acceptMethods' not in mediagen_url: | |
78 | mediagen_url += '&acceptMethods=fms' | |
79 | mediagen_page = self._download_webpage(mediagen_url, video_id, | |
80 | u'Downloading video urls') | |
81 | video_info = self._extract_video_url(mediagen_page) | |
82 | ||
83 | description_node = itemdoc.find('description') | |
84 | if description_node is not None: | |
85 | description = description_node.text | |
86 | else: | |
87 | description = None | |
88 | video_info.update({'title': itemdoc.find('title').text, | |
89 | 'id': video_id, | |
90 | 'thumbnail': 'http://mtv.mtvnimages.com/uri/' + uri, | |
91 | 'description': description, | |
92 | }) | |
93 | return video_info | |
94 | ||
95 | def _get_videos_info(self, uri): | |
96 | video_id = self._id_from_uri(uri) | |
97 | data = compat_urllib_parse.urlencode({'uri': uri}) | |
98 | infoXml = self._download_webpage(self._FEED_URL +'?' + data, video_id, | |
99 | u'Downloading info') | |
100 | idoc = xml.etree.ElementTree.fromstring(infoXml.encode('utf-8')) | |
101 | return [self._get_video_info(item) for item in idoc.findall('.//item')] | |
102 | ||
103 | def _real_extract(self, url): | |
104 | mobj = re.match(self._VALID_URL, url) | |
105 | video_id = mobj.group('videoid') | |
106 | ||
107 | webpage = self._download_webpage(url, video_id) | |
108 | ||
109 | # Some videos come from Vevo.com | |
110 | m_vevo = re.search(r'isVevoVideo = true;.*?vevoVideoId = "(.*?)";', | |
111 | webpage, re.DOTALL) | |
112 | if m_vevo: | |
113 | vevo_id = m_vevo.group(1); | |
114 | self.to_screen(u'Vevo video detected: %s' % vevo_id) | |
115 | return self.url_result('vevo:%s' % vevo_id, ie='Vevo') | |
116 | ||
117 | uri = self._html_search_regex(r'/uri/(.*?)\?', webpage, u'uri') | |
118 | return self._get_videos_info(uri) |