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[youtubedl] / youtube_dl / extractor / camdemy.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import re
5
6 from .common import InfoExtractor
7 from ..compat import (
8 compat_urllib_parse_urlencode,
9 compat_urlparse,
10 )
11 from ..utils import (
12 clean_html,
13 parse_duration,
14 str_to_int,
15 unified_strdate,
16 )
17
18
19 class CamdemyIE(InfoExtractor):
20 _VALID_URL = r'https?://(?:www\.)?camdemy\.com/media/(?P<id>\d+)'
21 _TESTS = [{
22 # single file
23 'url': 'http://www.camdemy.com/media/5181/',
24 'md5': '5a5562b6a98b37873119102e052e311b',
25 'info_dict': {
26 'id': '5181',
27 'ext': 'mp4',
28 'title': 'Ch1-1 Introduction, Signals (02-23-2012)',
29 'thumbnail': r're:^https?://.*\.jpg$',
30 'creator': 'ss11spring',
31 'duration': 1591,
32 'upload_date': '20130114',
33 'view_count': int,
34 }
35 }, {
36 # With non-empty description
37 # webpage returns "No permission or not login"
38 'url': 'http://www.camdemy.com/media/13885',
39 'md5': '4576a3bb2581f86c61044822adbd1249',
40 'info_dict': {
41 'id': '13885',
42 'ext': 'mp4',
43 'title': 'EverCam + Camdemy QuickStart',
44 'thumbnail': r're:^https?://.*\.jpg$',
45 'description': 'md5:2a9f989c2b153a2342acee579c6e7db6',
46 'creator': 'evercam',
47 'duration': 318,
48 }
49 }, {
50 # External source (YouTube)
51 'url': 'http://www.camdemy.com/media/14842',
52 'info_dict': {
53 'id': '2vsYQzNIsJo',
54 'ext': 'mp4',
55 'title': 'Excel 2013 Tutorial - How to add Password Protection',
56 'description': 'Excel 2013 Tutorial for Beginners - How to add Password Protection',
57 'upload_date': '20130211',
58 'uploader': 'Hun Kim',
59 'uploader_id': 'hunkimtutorials',
60 },
61 'params': {
62 'skip_download': True,
63 },
64 }]
65
66 def _real_extract(self, url):
67 video_id = self._match_id(url)
68
69 webpage = self._download_webpage(url, video_id)
70
71 src_from = self._html_search_regex(
72 r"class=['\"]srcFrom['\"][^>]*>Sources?(?:\s+from)?\s*:\s*<a[^>]+(?:href|title)=(['\"])(?P<url>(?:(?!\1).)+)\1",
73 webpage, 'external source', default=None, group='url')
74 if src_from:
75 return self.url_result(src_from)
76
77 oembed_obj = self._download_json(
78 'http://www.camdemy.com/oembed/?format=json&url=' + url, video_id)
79
80 title = oembed_obj['title']
81 thumb_url = oembed_obj['thumbnail_url']
82 video_folder = compat_urlparse.urljoin(thumb_url, 'video/')
83 file_list_doc = self._download_xml(
84 compat_urlparse.urljoin(video_folder, 'fileList.xml'),
85 video_id, 'Downloading filelist XML')
86 file_name = file_list_doc.find('./video/item/fileName').text
87 video_url = compat_urlparse.urljoin(video_folder, file_name)
88
89 # Some URLs return "No permission or not login" in a webpage despite being
90 # freely available via oembed JSON URL (e.g. http://www.camdemy.com/media/13885)
91 upload_date = unified_strdate(self._search_regex(
92 r'>published on ([^<]+)<', webpage,
93 'upload date', default=None))
94 view_count = str_to_int(self._search_regex(
95 r'role=["\']viewCnt["\'][^>]*>([\d,.]+) views',
96 webpage, 'view count', default=None))
97 description = self._html_search_meta(
98 'description', webpage, default=None) or clean_html(
99 oembed_obj.get('description'))
100
101 return {
102 'id': video_id,
103 'url': video_url,
104 'title': title,
105 'thumbnail': thumb_url,
106 'description': description,
107 'creator': oembed_obj.get('author_name'),
108 'duration': parse_duration(oembed_obj.get('duration')),
109 'upload_date': upload_date,
110 'view_count': view_count,
111 }
112
113
114 class CamdemyFolderIE(InfoExtractor):
115 _VALID_URL = r'https?://(?:www\.)?camdemy\.com/folder/(?P<id>\d+)'
116 _TESTS = [{
117 # links with trailing slash
118 'url': 'http://www.camdemy.com/folder/450',
119 'info_dict': {
120 'id': '450',
121 'title': '信號與系統 2012 & 2011 (Signals and Systems)',
122 },
123 'playlist_mincount': 145
124 }, {
125 # links without trailing slash
126 # and multi-page
127 'url': 'http://www.camdemy.com/folder/853',
128 'info_dict': {
129 'id': '853',
130 'title': '科學計算 - 使用 Matlab'
131 },
132 'playlist_mincount': 20
133 }, {
134 # with displayMode parameter. For testing the codes to add parameters
135 'url': 'http://www.camdemy.com/folder/853/?displayMode=defaultOrderByOrg',
136 'info_dict': {
137 'id': '853',
138 'title': '科學計算 - 使用 Matlab'
139 },
140 'playlist_mincount': 20
141 }]
142
143 def _real_extract(self, url):
144 folder_id = self._match_id(url)
145
146 # Add displayMode=list so that all links are displayed in a single page
147 parsed_url = list(compat_urlparse.urlparse(url))
148 query = dict(compat_urlparse.parse_qsl(parsed_url[4]))
149 query.update({'displayMode': 'list'})
150 parsed_url[4] = compat_urllib_parse_urlencode(query)
151 final_url = compat_urlparse.urlunparse(parsed_url)
152
153 page = self._download_webpage(final_url, folder_id)
154 matches = re.findall(r"href='(/media/\d+/?)'", page)
155
156 entries = [self.url_result('http://www.camdemy.com' + media_path)
157 for media_path in matches]
158
159 folder_title = self._html_search_meta('keywords', page)
160
161 return self.playlist_result(entries, folder_id, folder_title)