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[youtubedl] / youtube_dl / extractor / gdcvault.py
1 from __future__ import unicode_literals
2
3 import re
4
5 from .common import InfoExtractor
6 from ..utils import (
7 compat_urllib_parse,
8 compat_urllib_request,
9 )
10
11
12 class GDCVaultIE(InfoExtractor):
13 _VALID_URL = r'https?://(?:www\.)?gdcvault\.com/play/(?P<id>\d+)/(?P<name>(\w|-)+)'
14 _TESTS = [
15 {
16 'url': 'http://www.gdcvault.com/play/1019721/Doki-Doki-Universe-Sweet-Simple',
17 'md5': '7ce8388f544c88b7ac11c7ab1b593704',
18 'info_dict': {
19 'id': '1019721',
20 'ext': 'mp4',
21 'title': 'Doki-Doki Universe: Sweet, Simple and Genuine (GDC Next 10)'
22 }
23 },
24 {
25 'url': 'http://www.gdcvault.com/play/1015683/Embracing-the-Dark-Art-of',
26 'info_dict': {
27 'id': '1015683',
28 'ext': 'flv',
29 'title': 'Embracing the Dark Art of Mathematical Modeling in AI'
30 },
31 'params': {
32 'skip_download': True, # Requires rtmpdump
33 }
34 },
35 {
36 'url': 'http://www.gdcvault.com/play/1015301/Thexder-Meets-Windows-95-or',
37 'md5': 'a5eb77996ef82118afbbe8e48731b98e',
38 'info_dict': {
39 'id': '1015301',
40 'ext': 'flv',
41 'title': 'Thexder Meets Windows 95, or Writing Great Games in the Windows 95 Environment',
42 }
43 }
44 ]
45
46 def _parse_mp4(self, xml_description):
47 video_formats = []
48 mp4_video = xml_description.find('./metadata/mp4video')
49 if mp4_video is None:
50 return None
51
52 mobj = re.match(r'(?P<root>https?://.*?/).*', mp4_video.text)
53 video_root = mobj.group('root')
54 formats = xml_description.findall('./metadata/MBRVideos/MBRVideo')
55 for format in formats:
56 mobj = re.match(r'mp4\:(?P<path>.*)', format.find('streamName').text)
57 url = video_root + mobj.group('path')
58 vbr = format.find('bitrate').text
59 video_formats.append({
60 'url': url,
61 'vbr': int(vbr),
62 })
63 return video_formats
64
65 def _parse_flv(self, xml_description):
66 video_formats = []
67 akami_url = xml_description.find('./metadata/akamaiHost').text
68 slide_video_path = xml_description.find('./metadata/slideVideo').text
69 video_formats.append({
70 'url': 'rtmp://' + akami_url + '/' + slide_video_path,
71 'format_note': 'slide deck video',
72 'quality': -2,
73 'preference': -2,
74 'format_id': 'slides',
75 })
76 speaker_video_path = xml_description.find('./metadata/speakerVideo').text
77 video_formats.append({
78 'url': 'rtmp://' + akami_url + '/' + speaker_video_path,
79 'format_note': 'speaker video',
80 'quality': -1,
81 'preference': -1,
82 'format_id': 'speaker',
83 })
84 return video_formats
85
86 def _login(self, webpage_url, video_id):
87 (username, password) = self._get_login_info()
88 if username is None or password is None:
89 self.report_warning('It looks like ' + webpage_url + ' requires a login. Try specifying a username and password and try again.')
90 return None
91
92 mobj = re.match(r'(?P<root_url>https?://.*?/).*', webpage_url)
93 login_url = mobj.group('root_url') + 'api/login.php'
94 logout_url = mobj.group('root_url') + 'logout'
95
96 login_form = {
97 'email': username,
98 'password': password,
99 }
100
101 request = compat_urllib_request.Request(login_url, compat_urllib_parse.urlencode(login_form))
102 request.add_header('Content-Type', 'application/x-www-form-urlencoded')
103 self._download_webpage(request, video_id, 'Logging in')
104 start_page = self._download_webpage(webpage_url, video_id, 'Getting authenticated video page')
105 self._download_webpage(logout_url, video_id, 'Logging out')
106
107 return start_page
108
109 def _real_extract(self, url):
110 mobj = re.match(self._VALID_URL, url)
111
112 video_id = mobj.group('id')
113 webpage_url = 'http://www.gdcvault.com/play/' + video_id
114 start_page = self._download_webpage(webpage_url, video_id)
115
116 direct_url = self._search_regex(
117 r's1\.addVariable\("file",\s*encodeURIComponent\("(/[^"]+)"\)\);',
118 start_page, 'url', default=None)
119 if direct_url:
120 video_url = 'http://www.gdcvault.com/' + direct_url
121 title = self._html_search_regex(
122 r'<td><strong>Session Name</strong></td>\s*<td>(.*?)</td>',
123 start_page, 'title')
124
125 return {
126 'id': video_id,
127 'url': video_url,
128 'ext': 'flv',
129 'title': title,
130 }
131
132 xml_root = self._html_search_regex(
133 r'<iframe src="(?P<xml_root>.*?)player.html.*?".*?</iframe>',
134 start_page, 'xml root', default=None)
135 if xml_root is None:
136 # Probably need to authenticate
137 login_res = self._login(webpage_url, video_id)
138 if login_res is None:
139 self.report_warning('Could not login.')
140 else:
141 start_page = login_res
142 # Grab the url from the authenticated page
143 xml_root = self._html_search_regex(
144 r'<iframe src="(.*?)player.html.*?".*?</iframe>',
145 start_page, 'xml root')
146
147 xml_name = self._html_search_regex(
148 r'<iframe src=".*?\?xml=(.+?\.xml).*?".*?</iframe>',
149 start_page, 'xml filename', default=None)
150 if xml_name is None:
151 # Fallback to the older format
152 xml_name = self._html_search_regex(r'<iframe src=".*?\?xmlURL=xml/(?P<xml_file>.+?\.xml).*?".*?</iframe>', start_page, 'xml filename')
153
154 xml_decription_url = xml_root + 'xml/' + xml_name
155 xml_description = self._download_xml(xml_decription_url, video_id)
156
157 video_title = xml_description.find('./metadata/title').text
158 video_formats = self._parse_mp4(xml_description)
159 if video_formats is None:
160 video_formats = self._parse_flv(xml_description)
161
162 return {
163 'id': video_id,
164 'title': video_title,
165 'formats': video_formats,
166 }