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[youtubedl] / youtube_dl / extractor / theplatform.py
1 import re
2 import json
3
4 from .common import InfoExtractor
5 from ..utils import (
6 ExtractorError,
7 xpath_with_ns,
8 )
9
10 _x = lambda p: xpath_with_ns(p, {'smil': 'http://www.w3.org/2005/SMIL21/Language'})
11
12
13 class ThePlatformIE(InfoExtractor):
14 _VALID_URL = r'''(?x)
15 (?:https?://(?:link|player)\.theplatform\.com/[sp]/[^/]+/
16 (?P<config>[^/\?]+/(?:swf|config)/select/)?
17 |theplatform:)(?P<id>[^/\?&]+)'''
18
19 _TEST = {
20 # from http://www.metacafe.com/watch/cb-e9I_cZgTgIPd/blackberrys_big_bold_z30/
21 u'url': u'http://link.theplatform.com/s/dJ5BDC/e9I_cZgTgIPd/meta.smil?format=smil&Tracking=true&mbr=true',
22 u'info_dict': {
23 u'id': u'e9I_cZgTgIPd',
24 u'ext': u'flv',
25 u'title': u'Blackberry\'s big, bold Z30',
26 u'description': u'The Z30 is Blackberry\'s biggest, baddest mobile messaging device yet.',
27 u'duration': 247,
28 },
29 u'params': {
30 # rtmp download
31 u'skip_download': True,
32 },
33 }
34
35 def _get_info(self, video_id, smil_url):
36 meta = self._download_xml(smil_url, video_id)
37
38 try:
39 error_msg = next(
40 n.attrib['abstract']
41 for n in meta.findall(_x('.//smil:ref'))
42 if n.attrib.get('title') == u'Geographic Restriction')
43 except StopIteration:
44 pass
45 else:
46 raise ExtractorError(error_msg, expected=True)
47
48 info_url = 'http://link.theplatform.com/s/dJ5BDC/{0}?format=preview'.format(video_id)
49 info_json = self._download_webpage(info_url, video_id)
50 info = json.loads(info_json)
51
52 head = meta.find(_x('smil:head'))
53 body = meta.find(_x('smil:body'))
54
55 f4m_node = body.find(_x('smil:seq/smil:video'))
56 if f4m_node is not None:
57 formats = [{
58 'ext': 'flv',
59 # the parameters are from syfy.com, other sites may use others
60 'url': f4m_node.attrib['src'] + '?g=UXWGVKRWHFSP&hdcore=3.0.3',
61 }]
62 else:
63 base_url = head.find(_x('smil:meta')).attrib['base']
64 switch = body.find(_x('smil:switch'))
65 formats = []
66 for f in switch.findall(_x('smil:video')):
67 attr = f.attrib
68 width = int(attr['width'])
69 height = int(attr['height'])
70 vbr = int(attr['system-bitrate']) // 1000
71 format_id = '%dx%d_%dk' % (width, height, vbr)
72 formats.append({
73 'format_id': format_id,
74 'url': base_url,
75 'play_path': 'mp4:' + attr['src'],
76 'ext': 'flv',
77 'width': width,
78 'height': height,
79 'vbr': vbr,
80 })
81 self._sort_formats(formats)
82
83 return {
84 'id': video_id,
85 'title': info['title'],
86 'formats': formats,
87 'description': info['description'],
88 'thumbnail': info['defaultThumbnailUrl'],
89 'duration': info['duration']//1000,
90 }
91
92 def _real_extract(self, url):
93 mobj = re.match(self._VALID_URL, url)
94 video_id = mobj.group('id')
95 if mobj.group('config'):
96 config_url = url+ '&form=json'
97 config_url = config_url.replace('swf/', 'config/')
98 config_json = self._download_webpage(config_url, video_id, u'Downloading config')
99 config = json.loads(config_json)
100 smil_url = config['releaseUrl'] + '&format=SMIL&formats=MPEG4'
101 else:
102 smil_url = ('http://link.theplatform.com/s/dJ5BDC/{0}/meta.smil?'
103 'format=smil&mbr=true'.format(video_id))
104 return self._get_info(video_id, smil_url)