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fda7d31a PH |
1 | import base64 |
2 | import re | |
3 | ||
4 | from .common import InfoExtractor | |
5 | from ..utils import ( | |
6 | compat_urllib_parse, | |
7 | ||
8 | ExtractorError, | |
9 | ) | |
10 | ||
11 | ||
12 | class InfoQIE(InfoExtractor): | |
13 | _VALID_URL = r'^(?:https?://)?(?:www\.)?infoq\.com/[^/]+/[^/]+$' | |
14 | ||
15 | def _real_extract(self, url): | |
16 | mobj = re.match(self._VALID_URL, url) | |
17 | ||
18 | webpage = self._download_webpage(url, video_id=url) | |
19 | self.report_extraction(url) | |
20 | ||
21 | # Extract video URL | |
22 | mobj = re.search(r"jsclassref ?= ?'([^']*)'", webpage) | |
23 | if mobj is None: | |
24 | raise ExtractorError(u'Unable to extract video url') | |
25 | real_id = compat_urllib_parse.unquote(base64.b64decode(mobj.group(1).encode('ascii')).decode('utf-8')) | |
26 | video_url = 'rtmpe://video.infoq.com/cfx/st/' + real_id | |
27 | ||
28 | # Extract title | |
29 | video_title = self._search_regex(r'contentTitle = "(.*?)";', | |
30 | webpage, u'title') | |
31 | ||
32 | # Extract description | |
33 | video_description = self._html_search_regex(r'<meta name="description" content="(.*)"(?:\s*/)?>', | |
34 | webpage, u'description', fatal=False) | |
35 | ||
36 | video_filename = video_url.split('/')[-1] | |
37 | video_id, extension = video_filename.split('.') | |
38 | ||
39 | info = { | |
40 | 'id': video_id, | |
41 | 'url': video_url, | |
42 | 'uploader': None, | |
43 | 'upload_date': None, | |
44 | 'title': video_title, | |
45 | 'ext': extension, # Extension is always(?) mp4, but seems to be flv | |
46 | 'thumbnail': None, | |
47 | 'description': video_description, | |
48 | } | |
49 | ||
50 | return [info] |