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1 | # coding: utf-8 |
2 | from __future__ import unicode_literals | |
3 | ||
4 | import re | |
5 | from datetime import datetime | |
6 | ||
7 | from .common import InfoExtractor | |
8 | from ..utils import determine_ext, ExtractorError | |
9 | ||
10 | ||
11 | class JoveIE(InfoExtractor): | |
12 | _VALID_URL = r'https?://(?:www\.)?jove\.com/video/(?P<id>[0-9]+)' | |
13 | _CHAPTERS_URL = 'http://www.jove.com/video-chapters?videoid={video_id:}' | |
14 | _TEST = { | |
15 | 'url': 'http://www.jove.com/video/2744/electrode-positioning-montage-transcranial-direct-current', | |
16 | 'md5': '93723888d82dbd6ba8b3d7d0cd65dd2b', | |
17 | 'info_dict': { | |
18 | 'id': '2744', | |
19 | 'ext': 'mp4', | |
20 | 'title': 'Electrode Positioning and Montage in Transcranial Direct Current Stimulation', | |
21 | 'description': 'Transcranial direct current stimulation (tDCS) is an established technique to modulate cortical excitability1,2. It has been ...', | |
22 | 'thumbnail': 're:^https?://.*\.png$', | |
23 | 'upload_date': '20110523', | |
24 | } | |
25 | } | |
26 | ||
27 | def _real_extract(self, url): | |
28 | mobj = re.match(self._VALID_URL, url) | |
29 | video_id = mobj.group('id') | |
30 | ||
31 | webpage = self._download_webpage(url, video_id) | |
32 | title = self._html_search_meta('citation_title', webpage, 'title') | |
33 | thumbnail = self._og_search_thumbnail(webpage) | |
34 | description = self._html_search_meta( | |
35 | 'description', webpage, 'description', fatal=False) | |
36 | publish_date = self._html_search_meta( | |
37 | 'citation_publication_date', webpage, 'publish date', fatal=False) | |
38 | if publish_date: | |
39 | publish_date = datetime.strptime(publish_date, | |
40 | '%Y/%m/%d').strftime('%Y%m%d') | |
41 | ||
42 | # Not the same as video_id. | |
43 | chapters_id = self._html_search_regex( | |
44 | r'/video-chapters\?videoid=([0-9]+)', webpage, 'chapters id') | |
45 | chapters_xml = self._download_xml( | |
46 | self._CHAPTERS_URL.format(video_id=chapters_id), | |
47 | video_id, note='Downloading chapter XML', | |
48 | errnote='Failed to download chapter XML' | |
49 | ) | |
50 | video_url = chapters_xml.attrib.get('video') | |
51 | if not video_url: | |
52 | raise ExtractorError('Failed to get the video URL') | |
53 | ||
54 | ext = determine_ext(video_url) | |
55 | ||
56 | return { | |
57 | 'id': video_id, | |
58 | 'title': title, | |
59 | 'url': video_url, | |
60 | 'ext': ext, | |
61 | 'thumbnail': thumbnail, | |
62 | 'description': description, | |
63 | 'upload_date': publish_date, | |
64 | } |