[infoq] Simplify (#2777)
[youtube-dl] / youtube_dl / extractor / infoq.py
1 from __future__ import unicode_literals
2
3 import base64
4 import re
5
6 from .common import InfoExtractor
7 from ..utils import (
8     compat_urllib_parse,
9 )
10
11
12 class InfoQIE(InfoExtractor):
13     _VALID_URL = r'https?://(?:www\.)?infoq\.com/[^/]+/(?P<id>[^/]+)$'
14
15     _TEST = {
16         'name': 'InfoQ',
17         'url': 'http://www.infoq.com/presentations/A-Few-of-My-Favorite-Python-Things',
18         'md5': 'fcaa3d995e04080dcb9465d86b5eef62',
19         'info_dict': {
20             'id': '12-jan-pythonthings',
21             'ext': 'mp4',
22             'description': 'Mike Pirnat presents some tips and tricks, standard libraries and third party packages that make programming in Python a richer experience.',
23             'title': 'A Few of My Favorite [Python] Things',
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
33         video_title = self._html_search_regex(r'<title>(.*?)</title>', webpage, 'title')
34         video_description = self._html_search_meta('description', webpage, 'description')
35
36         # The server URL is hardcoded
37         video_url = 'rtmpe://video.infoq.com/cfx/st/'
38
39         # Extract video URL
40         encoded_id = self._search_regex(r"jsclassref ?= ?'([^']*)'", webpage, 'encoded id')
41         real_id = compat_urllib_parse.unquote(base64.b64decode(encoded_id.encode('ascii')).decode('utf-8'))
42         playpath = 'mp4:' + real_id
43
44         video_filename = playpath.split('/')[-1]
45         video_id, extension = video_filename.split('.')
46
47         return {
48             'id': video_id,
49             'title': video_title,
50             'description': video_description,
51             'formats': [{
52                 'url': video_url,
53                 'ext': extension,
54                 'play_path': playpath,
55             }],
56         }