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[youtubedl] / youtube_dl / extractor / techtalks.py
1 from __future__ import unicode_literals
2
3 import re
4
5 from .common import InfoExtractor
6 from ..utils import (
7 get_element_by_attribute,
8 clean_html,
9 )
10
11
12 class TechTalksIE(InfoExtractor):
13 _VALID_URL = r'https?://techtalks\.tv/talks/(?:[^/]+/)?(?P<id>\d+)'
14
15 _TESTS = [{
16 'url': 'http://techtalks.tv/talks/learning-topic-models-going-beyond-svd/57758/',
17 'info_dict': {
18 'id': '57758',
19 'title': 'Learning Topic Models --- Going beyond SVD',
20 },
21 'playlist': [
22 {
23 'info_dict': {
24 'id': '57758',
25 'ext': 'flv',
26 'title': 'Learning Topic Models --- Going beyond SVD',
27 },
28 },
29 {
30 'info_dict': {
31 'id': '57758-slides',
32 'ext': 'flv',
33 'title': 'Learning Topic Models --- Going beyond SVD',
34 },
35 },
36 ],
37 'params': {
38 # rtmp download
39 'skip_download': True,
40 },
41 }, {
42 'url': 'http://techtalks.tv/talks/57758',
43 'only_matching': True,
44 }]
45
46 def _real_extract(self, url):
47 mobj = re.match(self._VALID_URL, url)
48 talk_id = mobj.group('id')
49 webpage = self._download_webpage(url, talk_id)
50 rtmp_url = self._search_regex(
51 r'netConnectionUrl: \'(.*?)\'', webpage, 'rtmp url')
52 play_path = self._search_regex(
53 r'href=\'(.*?)\' [^>]*id="flowplayer_presenter"',
54 webpage, 'presenter play path')
55 title = clean_html(get_element_by_attribute('class', 'title', webpage))
56 video_info = {
57 'id': talk_id,
58 'title': title,
59 'url': rtmp_url,
60 'play_path': play_path,
61 'ext': 'flv',
62 }
63 m_slides = re.search(r'<a class="slides" href=\'(.*?)\'', webpage)
64 if m_slides is None:
65 return video_info
66 else:
67 return {
68 '_type': 'playlist',
69 'id': talk_id,
70 'title': title,
71 'entries': [
72 video_info,
73 # The slides video
74 {
75 'id': talk_id + '-slides',
76 'title': title,
77 'url': rtmp_url,
78 'play_path': m_slides.group(1),
79 'ext': 'flv',
80 },
81 ],
82 }