]> gitweb @ CieloNegro.org - youtube-dl.git/blob - youtube_dl/extractor/ted.py
[toutv] really skip test
[youtube-dl.git] / youtube_dl / extractor / ted.py
1 import json
2 import re
3
4 from .subtitles import SubtitlesInfoExtractor
5
6 from ..utils import (
7     RegexNotFoundError,
8 )
9
10 class TEDIE(SubtitlesInfoExtractor):
11     _VALID_URL=r'''http://www\.ted\.com/
12                    (
13                         ((?P<type_playlist>playlists)/(?P<playlist_id>\d+)) # We have a playlist
14                         |
15                         ((?P<type_talk>talks)) # We have a simple talk
16                    )
17                    (/lang/(.*?))? # The url may contain the language
18                    /(?P<name>\w+) # Here goes the name and then ".html"
19                    '''
20     _TEST = {
21         u'url': u'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html',
22         u'file': u'102.mp4',
23         u'md5': u'2d76ee1576672e0bd8f187513267adf6',
24         u'info_dict': {
25             u"description": u"md5:c6fa72e6eedbd938c9caf6b2702f5922", 
26             u"title": u"Dan Dennett: The illusion of consciousness"
27         }
28     }
29
30     @classmethod
31     def suitable(cls, url):
32         """Receives a URL and returns True if suitable for this IE."""
33         return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
34
35     def _real_extract(self, url):
36         m=re.match(self._VALID_URL, url, re.VERBOSE)
37         if m.group('type_talk'):
38             return self._talk_info(url)
39         else :
40             playlist_id=m.group('playlist_id')
41             name=m.group('name')
42             self.to_screen(u'Getting info of playlist %s: "%s"' % (playlist_id,name))
43             return [self._playlist_videos_info(url,name,playlist_id)]
44
45
46     def _playlist_videos_info(self, url, name, playlist_id):
47         '''Returns the videos of the playlist'''
48
49         webpage = self._download_webpage(
50             url, playlist_id, u'Downloading playlist webpage')
51         matches = re.finditer(
52             r'<p\s+class="talk-title[^"]*"><a\s+href="(?P<talk_url>/talks/[^"]+\.html)">[^<]*</a></p>',
53             webpage)
54
55         playlist_title = self._html_search_regex(r'div class="headline">\s*?<h1>\s*?<span>(.*?)</span>',
56                                                  webpage, 'playlist title')
57
58         playlist_entries = [
59             self.url_result(u'http://www.ted.com' + m.group('talk_url'), 'TED')
60             for m in matches
61         ]
62         return self.playlist_result(
63             playlist_entries, playlist_id=playlist_id, playlist_title=playlist_title)
64
65     def _talk_info(self, url, video_id=0):
66         """Return the video for the talk in the url"""
67         m = re.match(self._VALID_URL, url,re.VERBOSE)
68         video_name = m.group('name')
69         webpage = self._download_webpage(url, video_id, 'Downloading \"%s\" page' % video_name)
70         self.report_extraction(video_name)
71         # If the url includes the language we get the title translated
72         title = self._html_search_regex(r'<span .*?id="altHeadline".+?>(?P<title>.*)</span>',
73                                         webpage, 'title')
74         json_data = self._search_regex(r'<script.*?>var talkDetails = ({.*?})</script>',
75                                     webpage, 'json data')
76         info = json.loads(json_data)
77         desc = self._html_search_regex(r'<div class="talk-intro">.*?<p.*?>(.*?)</p>',
78                                        webpage, 'description', flags = re.DOTALL)
79         
80         thumbnail = self._search_regex(r'</span>[\s.]*</div>[\s.]*<img src="(.*?)"',
81                                        webpage, 'thumbnail')
82         formats = [{
83             'ext': 'mp4',
84             'url': stream['file'],
85             'format': stream['id']
86         } for stream in info['htmlStreams']]
87
88         video_id = info['id']
89
90         # subtitles
91         video_subtitles = self.extract_subtitles(video_id, webpage)
92         if self._downloader.params.get('listsubtitles', False):
93             self._list_available_subtitles(video_id, webpage)
94             return
95
96         return {
97             'id': video_id,
98             'title': title,
99             'thumbnail': thumbnail,
100             'description': desc,
101             'subtitles': video_subtitles,
102             'formats': formats,
103         }
104
105     def _get_available_subtitles(self, video_id, webpage):
106         try:
107             options = self._search_regex(r'(?:<select name="subtitles_language_select" id="subtitles_language_select">)(.*?)(?:</select>)', webpage, 'subtitles_language_select', flags=re.DOTALL)
108             languages = re.findall(r'(?:<option value=")(\S+)"', options)
109             if languages:
110                 sub_lang_list = {}
111                 for l in languages:
112                     url = 'http://www.ted.com/talks/subtitles/id/%s/lang/%s/format/srt' % (video_id, l)
113                     sub_lang_list[l] = url
114                 return sub_lang_list
115         except RegexNotFoundError:
116             self._downloader.report_warning(u'video doesn\'t have subtitles')
117         return {}