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