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[youtubedl] / youtube_dl / extractor / screencast.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 from .common import InfoExtractor
5 from ..compat import (
6 compat_parse_qs,
7 compat_urllib_request,
8 )
9 from ..utils import (
10 ExtractorError,
11 )
12
13
14 class ScreencastIE(InfoExtractor):
15 _VALID_URL = r'https?://(?:www\.)?screencast\.com/t/(?P<id>[a-zA-Z0-9]+)'
16 _TESTS = [{
17 'url': 'http://www.screencast.com/t/3ZEjQXlT',
18 'md5': '917df1c13798a3e96211dd1561fded83',
19 'info_dict': {
20 'id': '3ZEjQXlT',
21 'ext': 'm4v',
22 'title': 'Color Measurement with Ocean Optics Spectrometers',
23 'description': 'md5:240369cde69d8bed61349a199c5fb153',
24 'thumbnail': r're:^https?://.*\.(?:gif|jpg)$',
25 }
26 }, {
27 'url': 'http://www.screencast.com/t/V2uXehPJa1ZI',
28 'md5': 'e8e4b375a7660a9e7e35c33973410d34',
29 'info_dict': {
30 'id': 'V2uXehPJa1ZI',
31 'ext': 'mov',
32 'title': 'The Amadeus Spectrometer',
33 'description': 're:^In this video, our friends at.*To learn more about Amadeus, visit',
34 'thumbnail': r're:^https?://.*\.(?:gif|jpg)$',
35 }
36 }, {
37 'url': 'http://www.screencast.com/t/aAB3iowa',
38 'md5': 'dedb2734ed00c9755761ccaee88527cd',
39 'info_dict': {
40 'id': 'aAB3iowa',
41 'ext': 'mp4',
42 'title': 'Google Earth Export',
43 'description': 'Provides a demo of a CommunityViz export to Google Earth, one of the 3D viewing options.',
44 'thumbnail': r're:^https?://.*\.(?:gif|jpg)$',
45 }
46 }, {
47 'url': 'http://www.screencast.com/t/X3ddTrYh',
48 'md5': '669ee55ff9c51988b4ebc0877cc8b159',
49 'info_dict': {
50 'id': 'X3ddTrYh',
51 'ext': 'wmv',
52 'title': 'Toolkit 6 User Group Webinar (2014-03-04) - Default Judgment and First Impression',
53 'description': 'md5:7b9f393bc92af02326a5c5889639eab0',
54 'thumbnail': r're:^https?://.*\.(?:gif|jpg)$',
55 }
56 }, {
57 'url': 'http://screencast.com/t/aAB3iowa',
58 'only_matching': True,
59 }]
60
61 def _real_extract(self, url):
62 video_id = self._match_id(url)
63 webpage = self._download_webpage(url, video_id)
64
65 video_url = self._html_search_regex(
66 r'<embed name="Video".*?src="([^"]+)"', webpage,
67 'QuickTime embed', default=None)
68
69 if video_url is None:
70 flash_vars_s = self._html_search_regex(
71 r'<param name="flashVars" value="([^"]+)"', webpage, 'flash vars',
72 default=None)
73 if not flash_vars_s:
74 flash_vars_s = self._html_search_regex(
75 r'<param name="initParams" value="([^"]+)"', webpage, 'flash vars',
76 default=None)
77 if flash_vars_s:
78 flash_vars_s = flash_vars_s.replace(',', '&')
79 if flash_vars_s:
80 flash_vars = compat_parse_qs(flash_vars_s)
81 video_url_raw = compat_urllib_request.quote(
82 flash_vars['content'][0])
83 video_url = video_url_raw.replace('http%3A', 'http:')
84
85 if video_url is None:
86 video_meta = self._html_search_meta(
87 'og:video', webpage, default=None)
88 if video_meta:
89 video_url = self._search_regex(
90 r'src=(.*?)(?:$|&)', video_meta,
91 'meta tag video URL', default=None)
92
93 if video_url is None:
94 video_url = self._html_search_regex(
95 r'MediaContentUrl["\']\s*:(["\'])(?P<url>(?:(?!\1).)+)\1',
96 webpage, 'video url', default=None, group='url')
97
98 if video_url is None:
99 video_url = self._html_search_meta(
100 'og:video', webpage, default=None)
101
102 if video_url is None:
103 raise ExtractorError('Cannot find video')
104
105 title = self._og_search_title(webpage, default=None)
106 if title is None:
107 title = self._html_search_regex(
108 [r'<b>Title:</b> ([^<]+)</div>',
109 r'class="tabSeperator">></span><span class="tabText">(.+?)<',
110 r'<title>([^<]+)</title>'],
111 webpage, 'title')
112 thumbnail = self._og_search_thumbnail(webpage)
113 description = self._og_search_description(webpage, default=None)
114 if description is None:
115 description = self._html_search_meta('description', webpage)
116
117 return {
118 'id': video_id,
119 'url': video_url,
120 'title': title,
121 'description': description,
122 'thumbnail': thumbnail,
123 }