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[youtubedl] / youtube_dl / extractor / lecture2go.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import re
5
6 from .common import InfoExtractor
7 from ..utils import (
8 determine_ext,
9 parse_duration,
10 int_or_none,
11 )
12
13
14 class Lecture2GoIE(InfoExtractor):
15 _VALID_URL = r'https?://lecture2go\.uni-hamburg\.de/veranstaltungen/-/v/(?P<id>\d+)'
16 _TEST = {
17 'url': 'https://lecture2go.uni-hamburg.de/veranstaltungen/-/v/17473',
18 'md5': 'ac02b570883020d208d405d5a3fd2f7f',
19 'info_dict': {
20 'id': '17473',
21 'ext': 'flv',
22 'title': '2 - Endliche Automaten und reguläre Sprachen',
23 'creator': 'Frank Heitmann',
24 'duration': 5220,
25 }
26 }
27
28 def _real_extract(self, url):
29 video_id = self._match_id(url)
30 webpage = self._download_webpage(url, video_id)
31
32 title = self._html_search_regex(r'<em[^>]+class="title">(.+)</em>', webpage, 'title')
33
34 formats = []
35 for url in set(re.findall(r'"src","([^"]+)"', webpage)):
36 ext = determine_ext(url)
37 if ext == 'f4m':
38 formats.extend(self._extract_f4m_formats(url, video_id))
39 elif ext == 'm3u8':
40 formats.extend(self._extract_m3u8_formats(url, video_id))
41 else:
42 formats.append({
43 'url': url,
44 })
45
46 self._sort_formats(formats)
47
48 creator = self._html_search_regex(
49 r'<div[^>]+id="description">([^<]+)</div>', webpage, 'creator', fatal=False)
50 duration = parse_duration(self._html_search_regex(
51 r'Duration:\s*</em>\s*<em[^>]*>([^<]+)</em>', webpage, 'duration', fatal=False))
52 view_count = int_or_none(self._html_search_regex(
53 r'Views:\s*</em>\s*<em[^>]+>(\d+)</em>', webpage, 'view count', fatal=False))
54
55 return {
56 'id': video_id,
57 'title': title,
58 'formats': formats,
59 'creator': creator,
60 'duration': duration,
61 'view_count': view_count,
62 }